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  • Raid1+0: create stripe over two /dev/mdx on partition or not?

    - by Chris
    Given that I haven't found a way to define how a Raid10 is created with mdadm, i went the Raid1+0 solution. How to display/define Mirror/Stripping pairs with mdadm mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdf1 mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sdg1 /dev/sdh1 mdadm --create /dev/md10 --level=0 --raid-devices=2 /dev/md0 /dev/md1 My question is about the stripe. For the mirror I create a primary partition over the full HD and set partition type to FD. So, should I do the same for the Stripe? Create partition on /dev/md0 and /dev/md1 (primary over full 'HDD', set partition type correctly) and then do the stripe on the partition? Is there a correct way here or are there any advantages/disadvantages to a solution? Thank you

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  • Connecting to MSP430 via /dev/ttyACM0

    - by speciousfool
    I'd like some suggestions about how to fix garbled serial output from a device connected on /dev/ttyACM0. Lately I've been working on a development project making use of TI's MSP430 microcontroller (specifically the eZ430-RF2560). Over on this thread you can see we've been testing some code and have found that the output of the microcontroller over serial is garbled. The btstack provides simple counter test program. When we run the program and look at the serial port output using PuTTY on Windows 7 we see: rfcomm_send_internal cid 117 doesn't exist! BTstack counter 26230 rfcomm_send_internal cid 117 doesn't exist! BTstack counter 26231 However if we connect from various Ubuntu clients we get something like: Stt.R. BTacn 0 BTacn 002BTacn 0 BTcct 04BTtacoe 5BTacun My current belief is that this is because the device is being detected by cdc_acm as a generic USB ACM device. Another thread about a similar microcontroller suggests that the device should use a specific usb serial driver. We've verified that the module is compiled on our system and did a "modprobe ti_usb_3410_5052" but this had no effect on cdc_acm. Here is the relevant section of the kernel's debug log: [ 2735.092987] usb 2-1.2: new full speed USB device number 5 using ehci_hcd [ 2735.213655] cdc_acm 2-1.2:1.0: This device cannot do calls on its own. It is not a modem. [ 2735.213669] cdc_acm 2-1.2:1.0: No union descriptor, testing for castrated device [ 2735.213720] cdc_acm 2-1.2:1.0: ttyACM0: USB ACM device [ 2745.241996] generic-usb 0003:0451:F432.0003: usb_submit_urb(ctrl) failed [ 2745.242023] generic-usb 0003:0451:F432.0003: timeout initializing reports [ 2745.242401] generic-usb 0003:0451:F432.0003: hiddev0,hidraw0: USB HID v1.01 Device [Texas Instruments Texas Instruments MSP-FET430UIF] on usb-0000:00:1d.0-1.2/input1 So, in summary, we'd like to figure out how to properly connect to this device. Also of use may be the appropriate place to file a bug report.

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  • West Palm Beach Dev Group August 2012 Meeting Recap

    - by Sam Abraham
    As the saying goes, it’s better late than never. Such is the case with my overdue West Palm Beach Dev Group August 2012 meeting report. Our August meeting was full of both knowledge and adventure. It comes as no surprise that the knowledge was brought to us by our favorite DotNetNuke Technical Evangelist, Will Strohl. Will introduced and thoroughly presented the new social features in DNN 6.2. Unfortunately, our meeting date coincided with Hurricane Isaac having just passed us by. Aside from road closures and floods that kept public schools closed for two days, our meeting host, PC Professor, had to close the school the day of our meeting on a short notice due to flooding which we found out about at midnight on the day of the event.  This left us scrambling to find an available alternate meeting location close enough to our original venue. Cancelling the meeting was always an option, but we opted to keep it as the very last resort. Luckily, we were fortunate to find a meeting room at the Hampton Inn only a few minutes away from our original location. Having heard of our challenge, our event sponsor, Applied Innovations, stepped-in and covered the meeting room cost in addition to the food and beverages. We would like to thank our volunteers and sponsors who made that event a success: Jess Coburn, CEO and Cara Pluff, Director of Sales at Applied Innovations, Dave Noderer for suggesting the alternate venue and Venkat Subramanian for his hard work keeping our members informed of the venue change and for being our event photographer.   We look forward to seeing you at our upcoming meetings: -September 25th, 2012 with Jonas Stawski, Microsoft MVP -October 23rd, 2012 with our Microsoft Developer Evangelist, Joe “DevFish” Healy -Ending an exciting year will be our November 27th meeting with Dycom Industries’ Senior Software Developer, Tom Huynh.   All the best, --Sam

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  • wxCam can't open /dev/dsp

    - by SIJAR
    I try to run wxCam through PulseAudio using the following command: $ padsp -d wxcam Although wxCam started ok, wxCam is been set to use xdiv format to enable sound during recording, but while recording the I get the error: Cannot open /dev/dsp. Video file will be recorded without audio track Please help me in fixing this issue. Below is some debug information: $ padsp -d wxcam Determining video4linux API version... Using video4linux 2 API VIDIOC_ENUM_FRAMESIZES: Invalid argument V4L2_CID_GAMMA is not supported Determining pixel format... pixel format: YUV 4:2:2 (YUYV) Found V4L2_PIX_FMT_YUYV pixel format pixel format: MJPEG Found V4L2_PIX_FMT_MJPEG pixel format --DEBUG: [wxcam] Generating standard Huffman tables for this frame. Corrupt JPEG data: 2 extraneous bytes before marker 0xd2 ... repeats a couple of times ... open of failed: No such file or directory --DEBUG: [wxcam] Generating standard Huffman tables for this frame. Corrupt JPEG data: 2 extraneous bytes before marker 0xd4 ... repeats a couple of times .... /home/sij/Videos/Webcam/video.avi written: 640x480, 1334396 bytes --DEBUG: [wxcam] Generating standard Huffman tables for this frame. Corrupt JPEG data: 2 extraneous bytes before marker 0xd3 ... repeats a couple of times ...

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  • Microsoft Dev Days &ndash; Johannesburg 2010

    - by MarkPearl
    So I am half way through dev days in Johannesburg. It has been quite an interesting day… Maybe it is me, but this year it hasn’t been as OMG as at previous conferences. A few things that stood out though… 1) This is the first time I have had to queue in a line to use the gents toilets before – yes, a true sign that we are at a typically male dominated industry event in this country – the men’s toilets were jam packed – the ladies if there were any there didn’t have a problem. 2) Bart De Smet presentation still rocks – I am a fan of Bart’s and once again his presentation was great. Something that I am going to look into in more depth which I think is a new feature in .Net is called Code Contracts. 3) I have got to get into Silverlight more… I have known this for a long time and have dabbled in it for a while, but Silverlight in my opinion will become the main platform for “hosting” applications. So… 3 things so far, hopefully I get some OMG’s from the rest of the day…

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  • Cannot Connect Modem ( /dev/ttySL0 ) Using gnome-ppp - Dial-Up Connection

    - by nicorellius
    I'm trying to connect my Toshiba Satellite running Ubuntu 10.04 to my Eris running Android 2.1 through a Bluetooth connection and establish a dial-up connection (DUN) with the modem. I can connect my phone to my laptop, and I can detect my modem (after installing drivers), which is located at /dev/ttySL0. But when I launch gnome-ppp and enter my phone number (123 for PDA-Net) I get a dialog that says "Connecting... Sending Password" with Log and Cancel buttons. The log shows this: --> WvDial: Internet dialer version 1.60 --> Cannot get information for serial port. --> Initializing modem. --> Sending: ATZ ATZ OK --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 OK --> Modem initialized. --> Please enter password (or empty password to stop): --> Configuration does not specify a valid login name. The PDA-Net DUN protocol is running and shows no error. Any ideas? Any help is much appreciated.

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  • raid md device is not remove from memory, how to overcome this problem

    - by santhosha
    i create raid 10 , i removed two arrays form md11 one by one , after that i going to editing the contents those are mounted ( it will be not responding stage), after i try for remove arrays those are left it is shows device or resource busy ( is not removed from memory). i try to terminate process this is also not work, i absorve from 4 days resync will be 8.0% it can not modifying. cat /proc/mdstat Personalities : [raid1] [raid0] [raid6] [raid5] [raid4] [linear] [raid10] md11 : active raid10 sde1[3] sdj14 286743936 blocks 64K chunks 2 near-copies [4/1] [___U] [1:2:3:0] [=...................] resync = 8.0% (23210368/286743936) finish=289392.6min speed=15K/sec mdadm -D /dev/md11 /dev/md11: Version : 00.90.03 Creation Time : Sun Jan 16 16:20:01 2011 Raid Level : raid10 Array Size : 286743936 (273.46 GiB 293.63 GB) Device Size : 143371968 (136.73 GiB 146.81 GB) Raid Devices : 4 Total Devices : 2 Preferred Minor : 11 Persistence : Superblock is persistent Update Time : Sun Jan 16 16:56:07 2011 State : active, degraded, resyncing Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 Layout : near=2, far=1 Chunk Size : 64K Rebuild Status : 8% complete UUID : 5e124ea4:79a01181:dc4110d3:a48576ea Events : 0.23 Number Major Minor RaidDevice State 0 0 0 0 removed 1 0 0 1 removed 4 8 145 2 faulty spare rebuilding /dev/sdj1 3 8 65 3 active sync /dev/sde1 umount /dev/md11 umount: /dev/md11: not mounted mdadm -S /dev/md11 mdadm: fail to stop array /dev/md11: Device or resource busy lsof /dev/md11 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME mount 2128 root 3r BLK 9,11 4058 /dev/md11 mount 5018 root 3r BLK 9,11 4058 /dev/md11 mdadm 27605 root 3r BLK 9,11 4058 /dev/md11 mount 30562 root 3r BLK 9,11 4058 /dev/md11 badblocks 30591 root 3r BLK 9,11 4058 /dev/md11 kill -9 2128 kill -9 5018 kill -9 27605 kill -9 30562 kill -3 30591 mdadm -S /dev/md11 mdadm: fail to stop array /dev/md11: Device or resource busy lsof /dev/md11 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME mount 2128 root 3r BLK 9,11 4058 /dev/md11 mount 5018 root 3r BLK 9,11 4058 /dev/md11 mdadm 27605 root 3r BLK 9,11 4058 /dev/md11 mount 30562 root 3r BLK 9,11 4058 /dev/md11 badblocks 30591 root 3r BLK 9,11 4058 /dev/md11 cat /proc/mdstat Personalities : [raid1] [raid0] [raid6] [raid5] [raid4] [linear] [raid10] md11 : active raid10 sde1[3] sdj14 286743936 blocks 64K chunks 2 near-copies [4/1] [___U] [1:2:3:0] [=...................] resync = 8.0% (23210368/286743936) finish=289392.6min speed=15K/sec

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  • Blocking a distributed, consistent spam attack? Could it be something more serious?

    - by mattmcmanus
    I will do my best to try and explain this as it's strange and confusing to me. I posted a little while ago about a sustained spike in mysql queries on a VPS I had recently setup. It turned out to be a single post on a site I was developmenting. The post had over 30,000 spam comments! Since the site was one I was slowly building I hadn't configured the anti-spam comment software yet. I've since deleted the particular post which has given the server a break but the post's url keeps on getting hit. The frustrating thing is every hit is from a different IP. How do I even start to block/prevent this? Is this even something I need to worry about? Here are some more specific details about my setup, just to give some context: Ubuntu 8.10 server with ufw setup The site I'm building is in Drupal which now has Mollom setup for spam control. It wasn't configured before. The requests happen inconsistently. Sometimes it's every couple seconds and other times it's a an or so between hits. However it's been going on pretty much constantly like that for over a week. Here is a sample of my apache access log from the last 15 minutes just for the page in question: dev.domain-name.com:80 97.87.97.169 - - [28/Mar/2010:06:47:40 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 202.149.24.193 - - [28/Mar/2010:06:50:37 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 193.106.92.77 - - [28/Mar/2010:06:50:39 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 194.85.136.187 - - [28/Mar/2010:06:52:03 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 220.255.7.13 - - [28/Mar/2010:06:52:14 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 195.70.55.151 - - [28/Mar/2010:06:53:41 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 71.91.4.31 - - [28/Mar/2010:06:56:07 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 98.209.203.170 - - [28/Mar/2010:06:56:10 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 24.255.137.159 - - [28/Mar/2010:06:56:19 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 77.242.20.18 - - [28/Mar/2010:07:00:15 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 94.75.215.42 - - [28/Mar/2010:07:01:34 +0000] "POST /comment/reply/3 HTTP/1.0" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 89.115.2.128 - - [28/Mar/2010:07:03:20 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 75.65.230.252 - - [28/Mar/2010:07:05:05 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 206.251.255.61 - - [28/Mar/2010:07:06:46 +0000] "POST /comment/reply/3 HTTP/1.0" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 213.194.120.14 - - [28/Mar/2010:07:07:22 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" I understand this is an open ended question, but any help or insight you could give would be much appreciated.

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  • Dell XPS 15 (L502x) sound problem

    - by lauramolenaar
    I have a problem with my sound on my Dell XPS 15. First, when I had Windows 7, my sound was pretty good (I have a JBL 2.1 speaker system with Waves Maxx audio), but since I installed Ubuntu 12.04 it sounded very cheap and as if I put my laptop in a tin can. I've already tried installing alsa-hda-dkms from the alsa-daily ppa (http://ppa.launchpad.net/ubuntu-audio-dev/alsa-daily) This is my audio controller: laura@laura-XPS-L502X:~$ lspci -v | grep -A7 -i audio 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) Subsystem: Dell Device 04b6 Flags: bus master, fast devsel, latency 0, IRQ 51 Memory at f1c00000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel I hope you can help me, and you can always ask me for more information. Result of aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC665 Analog [ALC665 Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 1: ALC665 Digital [ALC665 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 Result of aplay -L: default Playback/recording through the PulseAudio sound server sysdefault:CARD=PCH HDA Intel PCH, ALC665 Analog Default Audio Device front:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Front speakers surround40:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Digital IEC958 (S/PDIF) Digital Audio Output hdmi:CARD=PCH,DEV=0 HDA Intel PCH, HDMI 0 HDMI Audio Output dmix:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Direct sample mixing device dmix:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Direct sample mixing device dmix:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Direct sample mixing device dsnoop:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Direct sample snooping device dsnoop:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Direct sample snooping device dsnoop:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Direct sample snooping device hw:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Direct hardware device without any conversions hw:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Direct hardware device without any conversions hw:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Direct hardware device without any conversions plughw:CARD=PCH,DEV=0 HDA Intel PCH, ALC665 Analog Hardware device with all software conversions plughw:CARD=PCH,DEV=1 HDA Intel PCH, ALC665 Digital Hardware device with all software conversions plughw:CARD=PCH,DEV=3 HDA Intel PCH, HDMI 0 Hardware device with all software conversions

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  • Pages in IE render differently when served through the ASP.NET Development server and Production Ser

    - by rajbk
    You see differences in the way IE renders your web application locally on the ASP.NET Development server compared to your production server. Comparing the response from both servers including response headers and CSS show no difference. The issue may occur because of a setting in IE. In IE, go to Tools –> Compatibility ViewSettings. The checkbox “Display intranet sites in Compatibility View” turned on forces IE8 to display the web application content in a way similar to how Internet Explorer 7 handles standards mode web pages. Since your local web server is considered to be in the intranet zone, IE uses “Compatibility View” to render your pages. While you could uncheck this setting in or propagate the change to all developers through group policy settings, a different way is described below. To force IE to mimic the behavior of a certain version of IE when rendering the pages, you use the meta element  to include a “X-UA-Compatible” http-equiv header in  your web page or have it sent as part of the header by adding it to your web.config file. The values are listed below: <meta http-equiv="X-UA-Compatible" content="IE=4"> <!-- IE5 mode --> <meta http-equiv="X-UA-Compatible" content="IE=7.5"> <!-- IE7 mode --> <meta http-equiv="X-UA-Compatible" content="IE=100"> <!-- IE8 mode --> <meta http-equiv="X-UA-Compatible" content="IE=a"> <!-- IE5 mode --> This value can also be set in web.config like so: <?xml version="1.0" encoding="utf-8"?> <configuration> <system.webServer> <httpProtocol> <customHeaders> <clear /> <add name="X-UA-Compatible" value="IE=EmulateIE7" /> </customHeaders> </httpProtocol> </system.webServer> </configuration> The setting can added in the IIS metabase as described here. Similarly, you can do the same in Apache by adding the directive in httpd.conf <Location /store> Header set X-UA-Compatible “IE=EmulateIE7” </Location> Even though it can be done on a site level, I recommend you do it on a per application level to avoid confusing the developer. References Defining Document Compatibility Implementing the META Switch on IIS Implementing the META Switch on Apache

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  • PECL OCI8 2.0 Production Release Announcement

    - by cj
    The PHP OCI8 2.0.6 extension for Oracle Database is now "production" status. The source code is available on PECL. This can be used immediately to update your OCI8 extension in PHP 5.2 and later versions. The extension compiles with Oracle 10.2 or later client libraries. Oracle's standard cross-version database connectivity applies. OCI8 2.0 and PHP 5.5.5 RPMs for Oracle and Red Hat Linux are available from oss.oracle.com. Windows DLLs are available on PECL for PHP 5.3, PHP 5.4 and PHP 5.5. OCI8 2.0 source code will also be automatically included in the next major version of PHP. New Functionality Oracle Database 12c Implicit Result Set support. IRS's make it easy to pass query results back from stored PL/SQL procedures or anonymous PL/SQL blocks. Individual IRS statement resources, each corresponding to a single query, can be obtained with the new function oci_get_implicit_resultset(). These 'child' statement resources can be passed to any oci_fetch_* function. See Using PHP and Oracle Database 12c Implicit Result Sets and the PHP Manual: oci_get_implicit_resultset(). DTrace Dynamic Trace static probes. This well respected DTrace tracing framework is available on a number of platforms, including Oracle Linux. PHP OCI8 static user-space probes can be enabled with PHP's --enable-dtrace configuration option. See Using PHP DTrace on Oracle Linux. Documentation is also available in the PHP Manual OCI8 and DTrace Dynamic Tracing Improved Functionality Using oci_execute($s, OCI_NO_AUTO_COMMIT) for a SELECT no longer unnecessarily initiates an internal ROLLBACK during connection close. This can improve overall scalability by reducing "round trips" between PHP and the database. Changed Functionality PHP OCI8 2.0's minimum pre-requisites are now PHP 5.2 and Oracle client library 10.2. Later versions of both are usable and, in fact, recommended. Use the older PHP OCI8 1.4.10 extension when using PHP 4.3.9 through to PHP 5.1.x, or when only Oracle Database 9.2 client libraries are available. oci_set_*($connection, ...) meta data setting call error handling is fixed so that oci_error($connection) works for these calls. Note: The old, deprecated function aliases like ocilogon still exist but are not recommended for new applications. Phpinfo() Changes Some cosmetic changes were made to the output of php --ri oci8 and the phpinfo() function. The oci8.event and oci8.connection_class values are now shown only when the Oracle client libraries support the respective functionality. Connection statistics are now in a separate phpinfo() table. Temporary LOB and Collection support status lines in phpinfo() output were removed. These two features have always been enabled since 2007. Oci_internal_debug() Changes The oci_internal_debug() function is now a no-op. Use PHP's --enable-dtrace functionality with DTrace or SystemTap instead. References OCI8 Extension source code and Windows DLLs http://pecl.php.net/package/oci8 Oracle Linux RPMs oss.oracle.com PHP Manual for OCI8 OCI8 and DTrace Dynamic Tracing Oracle OpenWorld Conference paper What's New in Oracle Database 12c for PHP

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  • XBRL - Moving from Production to Consumption

    - by jmorourke
    Here's an update on what’s new with XBRL and how it can actually benefit your organization versus adding extra time and costs to financial reporting.  On February 29th (leap day) of 2012 I attended the XBRL and Financial Analysis Technology Conference at Baruch College in NYC.  The event, which attracted over 300 XBRL gurus and fans was presented by XBRL US, The New York Society of Security Analysts’ Improved Corporate Reporting Committee, and Baruch College’s Robert Zicklin Center for Corporate Integrity.  The event featured keynotes from the U.S. Securities and Exchange Commission (SEC), and the CFA Institute as well as panels covering alternative research tools and data, corporate reporting to stakeholders and a demonstration of XBRL analysis tools.  The program culminated in a presentation of the finalists and the winner of the $20,000 XBRL Challenge.    Some of the key points made in the sessions included: The focus of XBRL tools is moving from production to consumption. As of February 2012, over 9000 companies are reporting in XBRL, with over 10 million facts filed to date XBRL taxonomy extensions have dropped from 27% to 11% making comparisons easier The SEC reports that XBRL makes it easier to analyze disclosures, focus on accounting issues XBRL is helping standards-setters like the FASB speed their analysis of impacts of proposed accounting rule changes Companies like Thomson Reuters report that XBRL is helping speed the delivery of data to clients The most interesting part of the program though, was the session highlighting the 5 finalists in the XBRL Challenge competition and the winning solution.  The XBRL Challenge was launched in 2011 as a means of spurring the development of more end-user tools to help with the consumption of XBRL-based financial information.       Over an 8-month process handled by 5 judges, there were 84 registrants, 15 completed submissions, 5 finalists and one winner of the challenge.  All of the solutions are open-sourced tools and most of them focus on consuming XBRL-based data.  The 5 finalists included: Advanced XBRL Processing from Oxide solutions – XBRL viewer for taxonomies, filings and company data with peer comparison capabilities. Arrelle – API for XBRL processes, supports SEC Validations, RSS Feeds to access filings etc. Calcbench – XBRL data analysis tool that can be embedded in other web applications.  This tool can combine XBRL filings with real-time market data. XBRL to XL – allows the importing of XBRL data into Microsoft Excel for analysis, comparisons.  Users start on the web and populate Excel with XBRL data. XBurble – allows users to search and view XBRL filings, export to Excel, merge for comparison, and includes a workflow interface. The winner of the $20,000 XBRL Challenge prize was CalcBench.  More information about the XBRL Challenge and the finalists can be found at www.XBRLUS.org/challenge XBRL for Sustainability Reporting – other recent news on the XBRL front was the announcement by the Global Reporting Initiative (GRI) of an XBRL taxonomy for Sustainability Reporting.  This taxonomy was co-developed by the GRI and Deloitte and is designed to make the consumption of data found in Sustainability Reports much easier.  Although there is no government mandate to file Sustainability Reports in XBRL format, organizations that do use the GRI guidelines for Sustainability Reporting are encouraged to tag and submit their data voluntarily to the GRI – who will populate a database with Sustainability Reporting data and make this available to the public.  For more information about this initiative, you can go to the GRI web site:  www.globalreporting.org. So how does all of this benefit corporate filers and investors?  Since its introduction, the consensus in the market is that XBRL has mainly benefited the regulators and investment analysts who need to consume and analyze large volumes of financial data.  But with the emergence of more end-user tools for consuming and analyzing XBRL-based data, and the ability to perform quick comparisons of one company versus its peers and competitors in an industry group, will soon accelerate the benefits to corporate finance staff, as well as individual investors.  This could apply to financial results tagged in XBRL, as well as non-financial information such as Sustainability Reporting – which over the long-term will likely be integrated with financial reporting.   And as multiple regulators and agencies in a country adopt the XBRL standard for corporate filings, more benefits will accrue as companies will be able to leverage one set of XBRL-based financial data for multiple regulatory filings.     For more information about the latest developments in XBRL, check out the XBRL US or XBRL International web sites:  www.xbrl.org, www.xbrlus.org. For more information about what Oracle is doing to support XBRL, here are some links: http://www.oracle.com/us/solutions/ent-performance-bi/disclosure-management-065892.html http://www.oracle.com/technetwork/database/features/xmldb/index-087631.html Feel free to contact me if you have any questions or need more information:  [email protected]

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  • Web service SSL handshake fails in production environment unless SSL debugging enabled

    - by JST
    Scenario: calling a client web service over SSL (https) with mutual SSL authentication. Different service endpoint URLs and certs (both keystore and truststore) for test vs. production environments. Both test and production environments run tomcat / JBoss clustered. Production environment has load balancing / BigIP, runs Blade and non-Blade machines. Truststore is set (using -Djavax.net.ssl.trustStore=value) at startup. Keystore is set using System.setProperty("javax.net.ssl.keyStore", "value") in Java code. Web service call made using Axis2. All works fine in test environment, but when we moved to production environment (6 servers), it appears certs are not being forwarded for the handshake. Here's what we've done: in test environment, handshake using test versions of certs has been working all along, with no ssl debugging enabled confirmed in test environment that handshake with client production endpoint succeeds (production certs, both ours and theirs, are fine) -- this was done using -Djavax.net.debug=handshake,ssl confirmed that the error condition occurs on all 6 production servers took one server out of the cluster, turned on ssl debugging for just that one (with a restart), hit it directly, handshake works! switched to a different server without the debugging turned on, handshake error condition occurs turned debugging on on that second server (with a restart), hit it directly, handshake works! From the evidence, it seems like somehow the debugging being enabled causes the certificates to be properly retrieved/conveyed, although that makes no sense! I wonder whether somehow the enabled debugging makes the system pay attention to the System.setProperty call, and ignore it otherwise. However, in local and test environments, handshake worked without debugging enabled. Do I maybe need to be setting keystore on server startup like I'm setting truststore? Have been avoiding that because the keystore will differ for each of our test environments (16 of them).

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  • Releasing from development into production in maven

    - by Bruce
    Hi all, I'm confused about the use of maven in development and production environments - I'm sure it's something simple that I'm missing. Grateful for any help.. I set up maven inside eclipse on my local machine and wrote some software. I really like how it's made things like including dependent jars very easy. So that's my development environment. But now I want to release the project to production on a remote server. I've searched the documentation, but I can't figure out how it's supposed to work or what the maven best practice is.. Are you supposed to: a) Also be running maven on your production environment, and upload all your files to your production environment and rebuild your project there? (Something in me baulks at the idea of rebuilding 'released' code on the production server, so I'm fairly sure this isn't right..) b) use mvn:package to create your jar file and then copy that up to production? (But then what of all those nice dependencies? Isn't there a danger that your tested code is now going to be running against different versions of the dependent jars in the production environment, possibly breaking your code? Or missing a jar..?) c) Something else that I'm not figuring out.. Thanks in advance for any help!

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  • /dev/input/uinput Device appears to be 'broken'

    - by Adam Luchjenbroers
    I'm trying to setup Pystromo so that I can remap the keys on my Belkin N52TE gamepad. Pystromo basically captures the key strokes and then outputs the remapped keystrokes to the uinput device. However, at the moment it simply swallows the input and outputs absolutely nothing. I've tracked the issue to something being wrong with my uinput device, with the smoking gun being: # ls -l /dev/input/uinput crw-rw---- 1 root plugdev 10, 223 Dec 31 2009 /dev/input/uinput # cat /dev/input/uinput cat: /dev/input/uinput: No such device The uinput module is loaded, and can be clearly seen via lsmod. Anyone seen this before, or can think of something worth attempting? Current Setup Gentoo Linux Kernel 2.6.32 (Gentoo Sources 2.6.32-r1) HP DV7 Laptop Output dmesg dmesg | grep uinput does nothing, and no new lines appear if I run modprobe -r uinput && modprobe uinput. Yet the uinput module can clearly be seen when running lsmod: # lsmod | grep uinput uinput 6200 0 lsusb # lsusb Bus 005 Device 003: ID 050d:0200 Belkin Components Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 002: ID 1532:0101 Razer USA, Ltd Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 5986:0143 Acer, Inc Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth + WLAN) Interface [Integrated Module] Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub lsusb -v PasteBin Update Hmm, updating evdev and hal seems to have partially fixed it. /dev/input/uinput still can't be accessed but Pystromo is now remapping keys successfully. I'm a little bit mystified about what's going on here, but it seems that my understanding of how all this works is flawed. Since I've posted a bounty, I'll leave this here for someone to post an explanation for how user-space input devices work under the hood.

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  • /dev/fuse "permission denied" even when member of fuse group

    - by steeef
    I have a backup script scheduled on a Debian 5.0 x86 server, via sshfs. However, when I attempt to mount the remote directory, I receive: failed to open /dev/fuse: Permission denied ls -l /dev/fuse returns: crwxrwxr-x 1 root fuse 10, 229 2010-11-12 09:08 /dev/fuse id backup returns: uid=501(backup) gid=501(backup) groups=501(backup),46(plugdev),108(fuse) The only way I can get the directory to mount is if I run chmod a+w /dev/fuse, but this is reset at some point during the day. It's a kludge though, and I'd rather figure out why the group permissions aren't working.

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  • DegradedArray event on /dev/md0 without actually having a RAID

    - by J. Stoever
    Since I upgraded from Ubuntu LTS 10 to LTS 12, I have been getting error messages like: N 60 mdadm monitoring Mon Sep 3 06:38 31/1022 DegradedArray event on /dev/md2:Ubuntu-1004-lucid-64-minimal N 61 mdadm monitoring Mon Sep 3 06:38 31/1022 DegradedArray event on /dev/md0:Ubuntu-1004-lucid-64-minimal N 62 mdadm monitoring Mon Sep 3 06:38 31/1022 DegradedArray event on /dev/md1:Ubuntu-1004-lucid-64-minimal We do not have a RAID setup, and only have a single hard drive. Ideas ?

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  • /dev/shm (shared memory) on linux

    - by Kirzilla
    Hello, Let's imagine that we have 8Gb of RAM on server. I'm mounting /dev/shm with 4Gb on board. mount -o remount,size=4G /dev/shm Will this memory be strictly reserved for shared memory or if /dev/shm is empty this memory could be used by regular applications (web server, php etc.)? PS:Sorry for my English. I'm asking it because I've just checked df -h and found tmpfs 6.0G 0 6.0G 0% /dev/shm on 8Gb RAM sever. I don't know who made this setup, but it seems to me awful. Thank you!

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  • Is there an alternative to /dev/urandom?

    - by altCognito
    Is there some faster way than /dev/[u]random? Sometimes, I need to do things like cat /dev/urandom /dev/sdb The random devices are "too" secure und unfortunately too slow for that. I know that there are wipe and similar tools for secure deletion, but I suppose there are also some on-board means to that in Linux.

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  • How to set up multi users on dev server with git and github

    - by Derek Organ
    I'm working on lamp application. We have 2 servers (Debian) Live and Dev. I constantly work on dev main to add new features and fix bugs. When happy all works well I scp the relevant code to the Live system. Database (mysql) is local to each machine. Now this is pretty basic setup really and I want to improve the workflow a bit. I use git and github for version control. Admittedly I've only really used one branch. Their can be 3 different developers who work on the code at different times. We all use the same linux username to connect to the dev server and edit the code directly when needed. I usually then commit and push the code at the end of the day to github. One thing to bare in mind is it isn't easy to run this code on a local machine as there are many apache and subdomain configurations that wouldn't work on a local machine so it is important to work on the dev server not locally. I need to create a new process because we need to have a main trunk now and a branch with a big code re-write. What is the best way to do this. Should I create different unix logins for each developer and set up different working areas on the dev server for there changes? e.g. /var/www/mysite_derek /var/www/mysite_paul /var/www/mysite_mike my thinking is they can do a pull from the main branch and then create there own branch and merge it back in. I'm not sure how this will work though with git locally and with github. will i need to create different github user accounts as well. I'd like to do this the 'right' way and future proof for having lots of potential developers but I also don't want to over complicate it. I simple and elegant solution is preferred. any recommendations or suggestions?

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  • Timestamp Updating Constantly on /dev/null

    - by motorleague
    I've been working on a problem with a /dev/null file on an AIX system (just for background it looks as though it was inadvertently deleted and recreated as a normal file by somebody), but in trying to determine what caused the problem, I noticed that the timestamp on it seems to update every minute. I've observed this on several AIX servers at my workplace. At present I can't entirely rule out this be something specific to the Application being used at my workplace, so I compared with CentOS and Debian based computers at home last night. The CentOS box, which runs 24 hours, had a mod time on /dev/null of around 4 days ago (during which time it was essentially just being used as a web browser and multimedia player, although it would have had active but essentially unused Apache, MySQL and VMM processes running in the background). The timestamp on /dev/null on the Debian machine, which was a just booted laptop, pretty much reflected the boot time, but I tested redirecting STDIN from, and STDOUT to it, and the modification time was unchanged (I'm not sure 100% sure if directing data to /dev/null constitutes "writing to it" in the way it would a normal file). So my question is essentially, could anybody please offer any advice with regards to what circumstances (permissions changes etc.. aside) might cause the timestamp on /dev/null to update? Thanks very much for any suggestions. Alex.

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  • Can I get a faster output pipe than /dev/null ?

    - by naugtur
    Hi I am running a huge task [automated translation scripted with perl + database etc.] to run for about 2 weeks non-stop. While thinking how to speed it up I saw that the translator outputs everything (all translated sentences, all info on the way) to STDOUT all the time. This makes it work visibly slower when I get the output on the console. I obviously piped the output to /dev/null, but then I thought "could there be something even faster?" It's so much output that it'd really make a difference. And that's the question I'm asking You, because as far as I know there is nothing faster... (But I'm far from being a guru having used linux on a daily basis only last 3 years)

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  • Need Insight - What is the best practice for syncing up a production database that will be used on a

    - by james
    I have a site set up using CakePHP and MySQL and I want to work on a test database without disrupting my live site in case something goes wrong. I have another busy site, but my test site runs off the live database which can be occasionally nerve wracking. What do I do if I change a table name in the test db and I want it changed in the live database? Or if I remove a record from the test database. Is there a way to diff the changes? How do I even merge those changes? How does this interfere with live user edits and things of that nature? Hopefully some of you working devs can share some insight!

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  • Swap not available on System Monitor

    - by Zaki
    I had a swap partition of 1GB (RAM 1GB, Ubuntu 12.04 lts). Now swap is not shown on System Monitor neither can I hibernate my pc (sudo pm-hibernate). blkid output: /dev/sda1: UUID="B8B4FBB1B4FB706C" TYPE="ntfs" /dev/sda2: UUID="2ea7d608-2d89-4e41-9436-d05cb3ce8871" TYPE="swap" /dev/sda3: UUID="3219d03a-67e4-454b-8ce7-a27831846e35" TYPE="ext4" /dev/sda5: LABEL="Softwares" UUID="AC1CC3301CC2F47C" TYPE="ntfs" /dev/sda6: LABEL="Education" UUID="1E103E6C103E4B53" TYPE="ntfs" /dev/sda7: LABEL="Recreation" UUID="2CC8D181C8D149AA" TYPE="ntfs" /dev/sda8: LABEL="Miscellaneous" UUID="0274D6B174D6A727" TYPE="ntfs" /etc/fstab # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda6 during installation UUID=3219d03a-67e4-454b-8ce7-a27831846e35 / ext4 errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=2ea7d608-2d89-4e41-9436-d05cb3ce8871 none swap sw 0 0 free -m total used free shared buffers cached Mem: 991 867 123 0 27 418 -/+ buffers/cache: 421 569 Swap: 0 0 0 cat /proc/swaps Filename Type Size Used Priority fdisk -l Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x9f369f36 Device Boot Start End Blocks Id System /dev/sda1 * 63 31471334 15735636 7 HPFS/NTFS/exFAT /dev/sda2 31471616 33470447 999416 82 Linux swap / Solaris /dev/sda3 33472512 62539775 14533632 83 Linux /dev/sda4 62541045 312592769 125025862+ f W95 Ext'd (LBA) /dev/sda5 62541108 125066024 31262458+ 7 HPFS/NTFS/exFAT /dev/sda6 125066088 187591004 31262458+ 7 HPFS/NTFS/exFAT /dev/sda7 187591068 250115984 31262458+ 7 HPFS/NTFS/exFAT /dev/sda8 250116048 312576704 31230328+ 7 HPFS/NTFS/exFAT swapon --all swapon: /dev/sda2: swapon failed: Invalid argument dmesg | grep -A 5 -B 5 -i swap [ 9.487404] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 131645 [ 9.487413] EXT4-fs (sda3): ext4_orphan_cleanup: deleting unreferenced inode 131330 [ 9.487418] EXT4-fs (sda3): 16 orphan inodes deleted [ 9.487420] EXT4-fs (sda3): recovery complete [ 9.578600] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null) [ 20.580539] Swap area shorter than signature indicates [ 20.588363] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 20.619443] udevd[330]: starting version 175 [ 20.649959] lp: driver loaded but no devices found [ 20.662972] [drm] Initialized drm 1.1.0 20060810 [ 20.675515] i915 0000:00:02.0: setting latency timer to 64 -- [ 72.288573] PM: thaw of drv:sr dev:3:0:0:0 complete after 178.143 msecs [ 72.288578] PM: thaw of drv:scsi_device dev:3:0:0:0 complete after 178.136 msecs [ 72.299677] PM: thaw of drv:scsi_device dev:2:0:0:0 complete after 189.270 msecs [ 72.309473] PM: thaw of devices complete after 202.763 msecs [ 72.309668] PM: writing image. [ 72.309670] PM: Cannot find swap device, try swapon -a. [ 72.309699] PM: Cannot get swap writer [ 72.329896] Restarting tasks ... done. [ 72.331777] PM: Basic memory bitmaps freed [ 72.331792] video LNXVIDEO:00: Restoring backlight state [ 72.420048] option1 ttyUSB0: option_instat_callback: error -84 [ 72.804047] option1 ttyUSB0: option_instat_callback: error -84 -- [ 145.960625] sd 7:0:0:0: Attached scsi generic sg2 type 0 [ 145.972036] sd 7:0:0:0: [sdb] Attached SCSI removable disk [ 172.430508] PPP BSD Compression module registered [ 172.455583] PPP Deflate Compression module registered [ 332.260789] type=1400 audit(1381814763.342:27): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=636 comm="cupsd" pid=636 comm="cupsd" capability=36 capname="block_suspend" [ 1913.030998] Swap area shorter than signature indicates [ 2022.530155] type=1400 audit(1381816453.610:28): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=636 comm="cupsd" pid=636 comm="cupsd" capability=36 capname="block_suspend" [ 4062.729509] Swap area shorter than signature indicates Please help. Thanks in advance. df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 14G 6.1G 7.0G 47% / udev 488M 4.0K 488M 1% /dev tmpfs 199M 868K 198M 1% /run none 5.0M 4.0K 5.0M 1% /run/lock none 496M 224K 496M 1% /run/shm

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  • linux raid 1: right after replacing and syncing one drive, the other disk fails - understanding what is going on with mdstat/mdadm

    - by devicerandom
    We have an old RAID 1 Linux server (Ubuntu Lucid 10.04), with four partitions. A few days ago /dev/sdb failed, and today we noticed /dev/sda had pre-failure ominous SMART signs (~4000 reallocated sector count). We replaced /dev/sdb this morning and rebuilt the RAID on the new drive, following this guide: http://www.howtoforge.com/replacing_hard_disks_in_a_raid1_array Everything went smooth until the very end. When it looked like it was finishing to synchronize the last partition, the other old one failed. At this point I am very unsure of the state of the system. Everything seems working and the files seem to be all accessible, just as if it synchronized everything, but I'm new to RAID and I'm worried about what is going on. The /proc/mdstat output is: Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] md3 : active raid1 sdb4[2](S) sda4[0] 478713792 blocks [2/1] [U_] md2 : active raid1 sdb3[1] sda3[2](F) 244140992 blocks [2/1] [_U] md1 : active raid1 sdb2[1] sda2[2](F) 244140992 blocks [2/1] [_U] md0 : active raid1 sdb1[1] sda1[2](F) 9764800 blocks [2/1] [_U] unused devices: <none> The order of [_U] vs [U_]. Why aren't they consistent along all the array? Is the first U /dev/sda or /dev/sdb? (I tried looking on the web for this trivial information but I found no explicit indication) If I read correctly for md0, [_U] should be /dev/sda1 (down) and /dev/sdb1 (up). But if /dev/sda has failed, how can it be the opposite for md3 ? I understand /dev/sdb4 is now spare because probably it failed to synchronize it 100%, but why does it show /dev/sda4 as up? Shouldn't it be [__]? Or [_U] anyway? The /dev/sda drive now cannot even be accessed by SMART anymore apparently, so I wouldn't expect it to be up. What is wrong with my interpretation of the output? I attach also the outputs of mdadm --detail for the four partitions: /dev/md0: Version : 00.90 Creation Time : Fri Jan 21 18:43:07 2011 Raid Level : raid1 Array Size : 9764800 (9.31 GiB 10.00 GB) Used Dev Size : 9764800 (9.31 GiB 10.00 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 0 Persistence : Superblock is persistent Update Time : Tue Nov 5 17:27:33 2013 State : clean, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 UUID : a3b4dbbd:859bf7f2:bde36644:fcef85e2 Events : 0.7704 Number Major Minor RaidDevice State 0 0 0 0 removed 1 8 17 1 active sync /dev/sdb1 2 8 1 - faulty spare /dev/sda1 /dev/md1: Version : 00.90 Creation Time : Fri Jan 21 18:43:15 2011 Raid Level : raid1 Array Size : 244140992 (232.83 GiB 250.00 GB) Used Dev Size : 244140992 (232.83 GiB 250.00 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Tue Nov 5 17:39:06 2013 State : clean, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 UUID : 8bcd5765:90dc93d5:cc70849c:224ced45 Events : 0.1508280 Number Major Minor RaidDevice State 0 0 0 0 removed 1 8 18 1 active sync /dev/sdb2 2 8 2 - faulty spare /dev/sda2 /dev/md2: Version : 00.90 Creation Time : Fri Jan 21 18:43:19 2011 Raid Level : raid1 Array Size : 244140992 (232.83 GiB 250.00 GB) Used Dev Size : 244140992 (232.83 GiB 250.00 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 2 Persistence : Superblock is persistent Update Time : Tue Nov 5 17:46:44 2013 State : clean, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 1 Spare Devices : 0 UUID : 2885668b:881cafed:b8275ae8:16bc7171 Events : 0.2289636 Number Major Minor RaidDevice State 0 0 0 0 removed 1 8 19 1 active sync /dev/sdb3 2 8 3 - faulty spare /dev/sda3 /dev/md3: Version : 00.90 Creation Time : Fri Jan 21 18:43:22 2011 Raid Level : raid1 Array Size : 478713792 (456.54 GiB 490.20 GB) Used Dev Size : 478713792 (456.54 GiB 490.20 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 3 Persistence : Superblock is persistent Update Time : Tue Nov 5 17:19:20 2013 State : clean, degraded Active Devices : 1 Working Devices : 2 Failed Devices : 0 Spare Devices : 1 Number Major Minor RaidDevice State 0 8 4 0 active sync /dev/sda4 1 0 0 1 removed 2 8 20 - spare /dev/sdb4 The active sync on /dev/sda4 baffles me. I am worried because if tomorrow morning I have to replace /dev/sda, I want to be sure what should I sync with what and what is going on. I am also quite baffled by the fact /dev/sda decided to fail exactly when the raid finished resyncing. I'd like to understand what is really happening. Thanks a lot for your patience and help. Massimo

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