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• Windows Vista stuck on crcdisk.sys

  - by hristo

  Hello everyone, I'm here with some Vista-trouble. After a cigarette-break I returned to my desk to find my PC with a black screen, and after failing to wake it up did a forced restart. I haven't been installing any hardware or software for quite a while. Ever since, Vista gets stuck on the animated 'Microsoft Corporation' progress bar with the animation still running and no hard disk activity. With an F8 and safe-mode + prompt I saw that the boot gets stuck at crcdisk.sys. I'm running Vista64 SP1. What could the problem be? Any advice?

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• What is good book for administration & configuration of Storage logical arrays?

  - by unknown (yahoo)

  I am looking for a book which can explain pros and cons of different combination of configurations/policies of storage Arrays and may also suggest some best practices for certain scenarios for e.g. when data availability & security is very important. There are a lot of "books for dummy" but they don't go in depth, I am a more of developer so I would like to understand how and why exactly it works beneath policies & configuration settings. I am working with EMC clarion logical array but I will have to work with EMC Symmetrix or NetApp or any other types of disk arrays.

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• New standalone ESXi 5 deployments - USB versus SD card?

  - by ewwhite

  Now that the old full VMWare ESX with service console is no longer, I'm redeploying some standalone ESXi servers. I'm using HP ProLiant ML and DL G6 and G7 servers. Does it make more sense to utilize the internal USB port for ESXi or the internal SD card slot? I'm using the HP ESXi 5 build, but am not sure what the recommended practice is. Any recommendations on cards/USB drives for this purpose? BTW - these will be all-in-one storage servers with the onboard disk storage presented via PCIe passthrough.

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• Analyzing Linux NFS server performance

  - by Kamil Kisiel

  I'd like to do some analysis of our NFS server to help track down potential bottlenecks in our applications. The server is running SUSE Enterprise Linux 10. The kind of things I'm looking to know are: Which files are being accessed by which clients Read/write throughput on a per-client basis Overhead imposed by other RPC calls Time spent waiting on other NFS requests, or disk I/O, to service a client I already know about the statistics available in /proc/net/rpc/nfsd and in fact I wrote a blog post describing them in depth. What I'm looking for is a way to dig deeper and help understand what factors are contributing to the performance seen by a particular client. I want to analyze the role the NFS server plays in the performance of an application on our cluster so that I can think of ways to best optimize it.

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• Stop RAID 5 from Initializing

  - by Antz

  Hi, I am trying to follow Ictinike's guide on Recovering Intel RAID "Non-Member Disk" Error found here, Ictinike's RAID recovery Guide I have recreated my RAID array as per the instructions. However my RAID array status is then automatically set to: INITIALIZE When I boot back into my Windows XP desktop, the Intel Matrix Storage Utility begins to "Initialize" my drives. This is a long slow process that will take about 20 hours. I suspect all my data will be lost. I have gone back into my bios and disabled my RAID controller to prevent any further initialization and data loss. I have read that initialization will cause data loss. I've also read somewhere that it won't. I am not so confident in the latter. Is there anyway to stop this initialization process so I can continue to follow the steps in the recovery guide? Some system specs: ABIT IP35 Pro Motherboard ICH9R on board RAID controller

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• STOP: c000021a {Fatal System Error} The initial session process or system process terminated unexpectedly

  - by christof

  I'm encountering such an error after expanding disk space on a virtual machine using Hyper-V. STOP: c000021a {Fatal System Error} The initial session process or system process terminated unexpectedly with a status of (0x00000000) (0xc000012d 0x001003f0). The virtual server there is Windows Server 2008 R2 Enterprise Edition, which is also Domain Controller. I've tried to repair Windows but there is no restore point, and using the command line. I've tried the sfc /SCANNOW /OFFBOOTDIR /OFFWINDIR command, but I got the error Windows Resource Protection could not perform the requested operation.

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• Ubuntu server very slow out of the blue sky (Rails, passenger, nginx)

  - by snitko

  I run Ubuntu server 8.04 on Linode with multiple Rails apps under Passenger + nginx. Today I've noticed it takes quite a lot of time to load a page (5-10 secs). And it's not only websites, ssh seems to be affected too. Having no clue why this may be happening, I started to check different things. I checked how the log files are rotated, I checked if there's enough free disk space and memory. I also checked IO rate, here's the output: $ iostat avg-cpu: %user %nice %system %iowait %steal %idle 0.17 0.00 0.02 0.57 0.16 99.07 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn xvda 2.25 39.50 16.08 147042 59856 xvdb 0.00 0.05 0.00 192 0 xvdc 2.20 25.93 24.93 96530 92808 xvdd 0.01 0.12 0.00 434 16 xvde 0.04 0.23 0.35 858 1304 xvdf 0.37 0.31 4.12 1162 15352 Rebooting didn't help either. Any ideas where should I be looking?

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• Understanding an Application based on the OS interaction with a Hypervisor

  - by Dewy

  Following I will ask a few specific questions but I will set the stage first. My goal is to monitor Applications in a very odd place - between the OS and a Hypervisor. If you have comments about this probably unachievable goal please do educate me. One good advice or link can save me days of work. Now to my current attempt. I installed on WinXP a VirtualBox (being open-source) and got a guest OS of latest Ubuntu running within. Where should I go next? Can I set the logs to show all memory/CPU/disk instructions of the guest OS? Thanks, Dewy

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• What does Embedded SATA Controller : ATA mean?

  - by paulH

  I have a Poweredge R510 server with a PERC H700 Integrated RAID controller that is exhibiting slower than expected disk speeds (RAID 1 and RAID 10 arrays) and I'm looking at the configuration of the server. Running the command omreport chassis biossetup on the server shows me the following configuration setting: Embedded SATA Controller : ATA I can also see that the possible options for this setting are: off | ata | qdma | raid I've been looking online to find out what this setting means and what the various options refer to but I've been unable to find anything particularly helpful, so I was hoping that somebody here could help to enlighten me. Thanks, Paul.

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• Very large log files in IIS 7.x

  - by Neal

  Hello, I had a site stop working today and when I RDP'd into the server I saw a warning about low disk space. The first thing I checked was the inetpub folder where the log files are stored and sure enough it was huge, 40 GB huge. I do clean the files monthly but what is causing a day's worth of logging on a medium activity site (www.vbdotnetforums.com) to create 300-500 MB log files? I do have everything being logged so my SmarterStats software gives me the most info, but are there specific things I should/can turn off that is causing the most growth in these log files? Also, sure would be nice if Microsoft someday had some sort of log file management such as deleting log files after they exceed a certain size (total), X days, etc. We all have to come up with some solution to delete the old ones manually. Thanks Neal

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• Dell V105 printer and OS X 10.6

  - by James

  I am trying to get a Dell V105 printer to work with my iMac. It is running 10.6 and I have installed all the drivers on the Snow Leopard disk. I believe there is no official Dell driver but I have also heard the Dell printers are made by third parties that may sell the same printer under different names. There a quite a few Lexmark models that seem to look very similar and I have tried setting the driver to the 2600 series that looks very similar but that has not enabled me to print. Although it claims to give me the supply levels correctly. Can anyone help? Thanks for your time

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• Is it possible to install Windows 8 on the SanDisk ReadyCache 32GB SSD drive?

  - by halil ibrahim

  I bought the SanDisk ReadyCache 32GB SSD drive this week. I didn't know about the caching stuff and thought that I would be able to install Windows 8 on it. Now I'm using it as a cache drive with the ExpressCache software. But I wonder if it is possible to use this SSD as a primary system drive with an operating system installed on it. I've tried to format the disk via Windows Disc Manager Tool, but the format option is disabled. Only delete and information options are allowed. Can you help me with this?

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• OSX Time Machine: deletion of backup folders

  - by jml

  I saw this question and was hoping that someone could expand upon the chosen answer (which I understood): Can you sudo mv Time Machine backup files as sudo from the trash to their original locations? I have tried doing this as root to no avail (operation not permitted). If not, can you successfully rm them via the trash via the terminal, faster than what the endless 'preparing to empty the trash' dialog suggests, and If you get the files back out of the trash can you tell if they are intact via disk utility (and how) Can you force indexing on a Time Machine drive in the same way that you would a normal drive to rebuild the TM index? I realize that a single answer could clarify all of the above, but I wanted to include details to be clear on what I am asking. Thanks for any help.

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• SMB super slow within LAN between MAC and PC

  - by asdcasdc

  I have a windows desktop which stores all my movies, songs and pictures. I have a mac laptop which I would like to access these files. I don't want to utilize the FTP or SCP protocol because I don't want them to be downloaded to my mac. I want to access them as if they are a network mounted disk. So I tried using the native SMB protocol (available in Finder - Go - Connect to server). I tried dragging a file and dropping it onto my MAC's desktop. Surprisingly, I am only able to transfer at a very slow rate of about 1mb/s. Assuming network connectivity is not a problem, has anyone experienced incredible slowness with SMB? Are there alternative protocols for me to use in this case between PC and MAC?

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• Application to store/browse/view photos?

  - by amorfis

  I am looking for application which I can install on Ubuntu server and put my photos there. It can be by web interface, it can be by mounted samba disk. What I require: Ability to add tags to photos. Ability to move photos. I.e. if I set photos directory to /home/photos, but then I want to move all photos to e.g. /home/common/photos - I don't want to lose all the tags. I used to use FSpot and it was great, but it lacked point 2, and I lost everything :(

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• what might cause a print error in perl?

  - by Mark J Seger

  I have a long running script that every hour opens a file, prints to it and closes the file. I've recently found very rarely, the print is failing, not because I'm testing the status of the print itself but rather due to the fact of missing entries in the file until the system is actually rebooted! I do trap for file open failures and write a message to syslog when that happens and I'm not seeing any open failures so I'm now guessing it may be the print that is failing. I'm not trapping the print failures, which I suspect most people don't but am now going to update that one print. Meanwhile, my question is does anyone know what types of situations could cause a print statement to fail when there is plenty of disk storage and no contention for a file which has been successfully opened in append mode?

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• Virtual box - How to add disks and move var, opt and home to them?

  - by Jarrod Roberson

  I created a CentOS 5.6 Guest OS Virtual Machine. I made the first disk 10GB, I am rapidly outgrowing it. It was suggested that I make disks for my /var, /opt and /home directories and move them so I can better manage the disks for backing up and what not. This sounds like a good idea. I know how to create the disks in Virtual Box. I have dug around Google and the internet in general and all my attempts at doing this have failed. Snapshots are awesome! I can get the drives fdisked, and I have had limited success mounting them to /mnt/var, /mnt/home and /mnt/opt, but even in single user mode ( init 1 ) I can't get the entire contents of the directories to move over, and then the machine won't reboot correctly. cd /var cp * -ax /mnt/var The /var directory in particular is not wanting to move everything to the new location. How do I format, mount and move the /var, /opt and /home to my new disks?

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• Unmount Mass Storage USB Device from the Command Line in Linux

  - by Casey

  I've searched high and low, and can't figure this one out. I have a older Olympus Camera (2001 or so). When I plug in the USB connection, I get the following log output: $ dmesg | grep sd [20047.625076] sd 21:0:0:0: Attached scsi generic sg7 type 0 [20047.627922] sd 21:0:0:0: [sdg] Attached SCSI removable disk Secondly, the drive is not mounted in the FS, but when I run gphoto2 I get the following error: $ gphoto2 --list-config *** Error *** An error occurred in the io-library ('Could not lock the device'): Camera is already in use. *** Error (-60: 'Could not lock the device') *** What command will unmount the drive. For example in Nautilus, I can right click and select "Safely Remove Device". After doing that, the /dev/sg7 and /dev/sdg devices are removed. Some things I've tried already are sdparm and sg3_utils, however I am unfamiliar with them, so it's possible I just didn't find the right command.

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• What's the difference between "Flash Drive" and "Flash Memory"?

  - by Clive D

  I have a problem with a Blu ray disk I bought. I talked to a Sony technician who advised me to plug a "USB Flash Memory Stick" into the Blu-ray player. Is this something specific? Is there a difference between the following two? "USB Flash Drive" "USB Flash Memory" When I go to Curry's or other sites that sell USB Sticks, they only talk about "USB Flash Drives". I've been in computing for many years and know the basics, but "memory" and "drive" are different things to me.

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• Photoshop CS4 slowing down, need advice to improve speed.

  - by Pennf0lio

  Hi, I just recently experienced problem with my Photoshop, It seem that it is slowing down when I am doing graphics design. Big or small files ( from 20 x 20 inch 300 dpi of resolution to 800x600 72 resolution ) it is really slowing down. Particularly when I am panning to my project It just get stuck for a few seconds then back to normal with slow movement. Can you guess what's wrong? I have an updated antivirus and I don't think virus is causing it. other adobe suite is working fine just my photoshop. I am running in windows 7, using Intel Core2 Duo 2.40 Ghz and has an Installed Ram of 2 GB. My primary scratch disk has 21 Gigabyte left and the secondary has a 13.89 GB. I need a solution urgently. I am planning to reformat my computer just to resolve my problem.

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• Web clipping / note taking software on Linux

  - by bguiz

  Hi, I use this great web-clipping and note taking app called Evernote on my Windows machine. However, there's no Linux version of Evernote (doesn't work properly in Wine). I would like to get some suggestions for something with similar capabilities that runs on Linux/Ubuntu. Specifically I need to be able to select parts of a web page in Firefox, and press some key combination, to save that clip to disk, in some sort of searchable database The clip needs to have pictures and basic text formatting, anything extra is unnecessary I also need to be able to create empty note or edit existing one. Storing the notes on a local machine only is fine - I don't need the sync features of Evernote

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• Database checksum features - redundant? useful?

  - by Eloff

  Just about every mainstream DB has a feature to calculate checksums per page, per sector, or per record. Now for a DB that does full recover after any crash, like PostgreSQL, is a checksum even useful? There will be no data loss as long as the xlog is ok, no matter what kind of corruption happened to the data itself, as the redo log is replayed every committed transaction will be restored. So checksums are useless on restore. Doesn't the filesystem or disk keep checksums anyway to detect corruption? So unless the checksum is per record, all it does is tell you there is corruption - which the OS should be yelling at you the minute you try to read it - so useless in operation? I can't imagine how a checksum can be helpful in any sane database - but since they all use them - I'd say that's just failure of imagination on my part. So how is it useful?

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• RAID0 array of USB 2 disks, both connected to a single hub. Any benefit?

  - by Josh

  I have two unused USB 2 drives. I wanted to stripe them in a RAID0 configuration for fast disk access for virtual machines. (I find running a VMware virtual machine off a USB2 drive to be painfully slow. Especially Windows Vista) If I have both USB drives attached to the same USB2 hub, will that negate any benefit I gain by creating a RAID0 array? That is to say, is the speed of USB2 the limiting factor or is the speed of the drives? Would I get better performance by attaching one or both drives directly to my computer?

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• GlusterFS with CIFS, quotas and LDAP

  - by lpfavreau

  Has anyone had experience plugging GlusterFS and Openfiler together or something similar? Here is the motivation: Disk space on multiple server regrouped using GlusterFS Centralized access using LDAP/AD and quota management using Openfiler as the GlusterFS client SMB/CIFS server for easy sharing to multiple users on Mac and Windows I know I can have Gluster installed on Openfiler (rPath Linux) successfully but Openfiler seems to be very picky on what it can use as a shared drive. Mounting the Gluster volume inside an existing share does not seem to allow quotas with the mounted folder free space. If this is not possible, is there any alternative to give the same capabilities?

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• is it worth defragging an iPod

  - by alimack

  Essentially my 5G iPod was cutting tracks off and generally misbehaving. So I did the following: 1) Use Diskwarrior - heavy directory fragmentation which it fixed; 2) Use iDefrag - some fragmentation but it kept halting as it couldn't move files; 3) Try to write out drive with Disk Utility - got a warning from DU so gave up before I started; 4) Completely restored using iTunes; 5) Reran Diskwarrior - still heavy directory fragmentation; 6) Reran iDefrag, still fragmentation although limited to two bands; The iPod is much quicker to traverse menus and no more track skipping. My question is this - is defragging worth it or does the heat generated by the process kill the drive and make it a self-defeating process. Anyone have any metrics/ figures? Clearly it's a bad idea for solid state drives like the nano & touch.

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