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  • hd0 out of disk error results to low graphics mode

    - by msPeachy
    Yesterday, I have reinstalled Ubuntu due to a error: hd0 out of disk on boot. Everything went fine, I've installed apps, perform updates and upgraded the kernel. I've even restarted it a few times just to check if I would encounter boot issues and was glad that everything was working perfectly, then powered it down. The next morning when I boot, I got this error: hd0 out of disk error. Press any key to continue... again! After pressing a key, it took 10 minutes for the Ubuntu logo to appear with it's 5 dots. After another 5 minutes, Ubuntu started checking the disk and displayed a message that / has errors, I pressed F to fix the errors. After which Ubuntu tells me that /tmp is not yet ready for mounting so I pressed S to skip mounting it, then Ubuntu restarted. On boot I saw the error: hd0 out of disk error. Press any key to continue... again. This time it took only a minute for the Ubuntu logo to appear and after another minute a dialog box appeared with the following message: The system is running in low-graphics mode. Your screen, graphics card, and input settings could not be detected correctly. You will have to configure these yourself. What would you like to do? Run in low-graphics mode for just one session Reconfigure graphics Troubleshoot the error Exit to console login Whichever option I choose I ended up with a console prompt: grub-editenv: error: cannot read the file /boot/grub/grubenv. _ I can't do anything on this console, whatever I type nothing happens. I've rebooted several times and I get same error every time. I don't quite understand what is wrong with Ubuntu or with my installation. I've encountered this hd0 out of disk error several times already and always ended up reinstalling. I'd really really appreciate it if you guys can help me fix this. Thank you and good day.

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  • How does the process of disk partitioning actually work on most HDD's?

    - by Dark Templar
    From what I know of most laptops, you are able to "partition" your disk into as many other drives as you please. The more you cut it up, the smaller your partitions are, but from an organizational point of view, this may be desirable... I was wondering how the filesystem itself becomes partitioned underneath the partitions visible to the user. For instance, a laptop disk is usually divided into platters, each with two surfaces. The surfaces are further divided into "tracks". I guess what I am asking is, is it possible to identify how the disk itself keeps track of partitions? (whether each partition has its own platter? each partition has its own set of adjacent tracks? or some other configuration, or whether the data from different partitions are just randomly interleaved and scattered throughout the disk?)

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  • Hard disk error

    - by Nadim A. Hachem
    I got this error during installation. "The installer encountered an error copying files to the hard disk: [Errno 5] Input/output error This is often due to a faulty CD/DVD disk or drive, or a faulty hard disk. It may help to clean the CD/DVD, to burn the CD/DVD at a lower speed, to clean the CD/DVD drive lens (cleaning kits are often available from electronics suppliers), to check whether the hard disk is old and in need of replacement, or to move the system to a cooler environment." how can i fix this and what does it mean specifically? i'm installing via usb so it can't be the CD. the laptop is recent so it cant be an old HD.

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  • Somebody knows why the sectors of the IBM floppy disk are named 1 to 8 (and not 0 to 7 )

    - by Olivier Briand
    I am now programming on a 8 bits Z80 computer with CP/M 2.2, (as a hobby) and the floppy disk format is IBM, 40 tracks, 8 sectors per track, 512 bytes per sector. free space is 154 Ko on each face of the disk. Why the sectors are indexed 1 to 8 (and not zero to seven, as usually is seen with computers)? The catalog of the floppy disk is on the track 1 (sector 1 to 4, 64 entries). I'm wondering is the catalog on track zero? Is the zero track reserved to included a system (as track 0 & 1 are reserved to the system on a CP/M floppy disk, and catalog is on track 2)?

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  • I (stupidly) converted a TrueCrypt encrypted disk to GPT in Disk Management: now TrueCrypt won't mount it

    - by asilentfire
    Backstory: After moving a Macrium Reflect disk image from my TrueCrypt external drive (with whole disk encryption) onto a unencrypted drive and using Windows PE with Macrium Reflect to restore my internal disk to the recovery image on the external unencrypted drive, my Windows 8 failed to boot. I then went back and also recovered the System Partition (looking now, it is currently EFI), but I still couldn't boot into my backup.. I was in a hurry to get online for something so I just did a clean install of Windows 8, without the backup.. After I installed Windows 8, I went into Disk Management out of curiosity to see if there were other partitions with Windows 8 that Macruim might have missed, and there is (by default) a Recovery Partition of 100MB. My memory of this is hazy, as I was trying to get up and running for an exam at 4 AM: Something in Disk Management prompted me to convert my encrypted external drive to GPT.. I have no idea why I did this, but I went ahead and allowed it to convert my TrueCrypt drive to GPT. Now, I can't mount the drive in TrueCrypt.. Disk Management sees it as Disk 1, Basic, and Unallocated. I tried converting it back to MBR with Disk Management, but no dice with TrueCrypt :( If I try to mount the disk in TrueCrypt I get the message: Incorrect password or not a TrueCrypt volume I should never have messed with a Truecrypt drive in Disk Management, but I did. I have important college work in that drive, and fear I have lost it forever. PLEASE HELP

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  • PowerShell script to find files that are consuming the most disk space

    As you know, SQL Server databases and backup files can take up a lot of disk space. When disk is running low and you need to troubleshoot disk space issues, the first thing to do is to find large files that are consuming disk space. In this article I will show you a PowerShell script that you can use to find large files on your disks. 12 essential tools for database professionalsThe SQL Developer Bundle contains 12 tools designed with the SQL Server developer and DBA in mind. Try it now.

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  • On Disk Substring index

    - by emeryc
    I have a file (fasta file to be specific) that I would like to index, so that I can quickly locate any substring within the file and then find the location within the original fasta file. This would be easy to do in many cases, using a Trie or substring array, unfortunately the strings I need to index are 800+ MBs which means that doing them in memory in unacceptable, so I'm looking for a reasonable way to create this index on disk, with minimal memory usage. (edit for clarification) I am only interested in the headers of proteins, so for the largest database I'm interested in, this is about 800 MBs of text. I would like to be able to find an exact substring within O(N) time based on the input string. This must be useable on 32 bit machines as it will be shipped to random people, who are not expected to have 64 bit machines. I want to be able to index against any word break within a line, to the end of the line (though lines can be several MBs long). Hopefully this clarifies what is needed and why the current solutions given are not illuminating. I should also add that this needs to be done from within java, and must be done on client computers on various operating systems, so I can't use any OS Specific solution, and it must be a programatic solution.

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  • What's up with LDoms: Part 1 - Introduction & Basic Concepts

    - by Stefan Hinker
    LDoms - the correct name is Oracle VM Server for SPARC - have been around for quite a while now.  But to my surprise, I get more and more requests to explain how they work or to give advise on how to make good use of them.  This made me think that writing up a few articles discussing the different features would be a good idea.  Now - I don't intend to rewrite the LDoms Admin Guide or to copy and reformat the (hopefully) well known "Beginners Guide to LDoms" by Tony Shoumack from 2007.  Those documents are very recommendable - especially the Beginners Guide, although based on LDoms 1.0, is still a good place to begin with.  However, LDoms have come a long way since then, and I hope to contribute to their adoption by discussing how they work and what features there are today.  In this and the following posts, I will use the term "LDoms" as a common abbreviation for Oracle VM Server for SPARC, just because it's a lot shorter and easier to type (and presumably, read). So, just to get everyone on the same baseline, lets briefly discuss the basic concepts of virtualization with LDoms.  LDoms make use of a hypervisor as a layer of abstraction between real, physical hardware and virtual hardware.  This virtual hardware is then used to create a number of guest systems which each behave very similar to a system running on bare metal:  Each has its own OBP, each will install its own copy of the Solaris OS and each will see a certain amount of CPU, memory, disk and network resources available to it.  Unlike some other type 1 hypervisors running on x86 hardware, the SPARC hypervisor is embedded in the system firmware and makes use both of supporting functions in the sun4v SPARC instruction set as well as the overall CPU architecture to fulfill its function. The CMT architecture of the supporting CPUs (T1 through T4) provide a large number of cores and threads to the OS.  For example, the current T4 CPU has eight cores, each running 8 threads, for a total of 64 threads per socket.  To the OS, this looks like 64 CPUs.  The SPARC hypervisor, when creating guest systems, simply assigns a certain number of these threads exclusively to one guest, thus avoiding the overhead of having to schedule OS threads to CPUs, as do typical x86 hypervisors.  The hypervisor only assigns CPUs and then steps aside.  It is not involved in the actual work being dispatched from the OS to the CPU, all it does is maintain isolation between different guests. Likewise, memory is assigned exclusively to individual guests.  Here,  the hypervisor provides generic mappings between the physical hardware addresses and the guest's views on memory.  Again, the hypervisor is not involved in the actual memory access, it only maintains isolation between guests. During the inital setup of a system with LDoms, you start with one special domain, called the Control Domain.  Initially, this domain owns all the hardware available in the system, including all CPUs, all RAM and all IO resources.  If you'd be running the system un-virtualized, this would be what you'd be working with.  To allow for guests, you first resize this initial domain (also called a primary domain in LDoms speak), assigning it a small amount of CPU and memory.  This frees up most of the available CPU and memory resources for guest domains.  IO is a little more complex, but very straightforward.  When LDoms 1.0 first came out, the only way to provide IO to guest systems was to create virtual disk and network services and attach guests to these services.  In the meantime, several different ways to connect guest domains to IO have been developed, the most recent one being SR-IOV support for network devices released in version 2.2 of Oracle VM Server for SPARC. I will cover these more advanced features in detail later.  For now, lets have a short look at the initial way IO was virtualized in LDoms: For virtualized IO, you create two services, one "Virtual Disk Service" or vds, and one "Virtual Switch" or vswitch.  You can, of course, also create more of these, but that's more advanced than I want to cover in this introduction.  These IO services now connect real, physical IO resources like a disk LUN or a networt port to the virtual devices that are assigned to guest domains.  For disk IO, the normal case would be to connect a physical LUN (or some other storage option that I'll discuss later) to one specific guest.  That guest would be assigned a virtual disk, which would appear to be just like a real LUN to the guest, while the IO is actually routed through the virtual disk service down to the physical device.  For network, the vswitch acts very much like a real, physical ethernet switch - you connect one physical port to it for outside connectivity and define one or more connections per guest, just like you would plug cables between a real switch and a real system. For completeness, there is another service that provides console access to guest domains which mimics the behavior of serial terminal servers. The connections between the virtual devices on the guest's side and the virtual IO services in the primary domain are created by the hypervisor.  It uses so called "Logical Domain Channels" or LDCs to create point-to-point connections between all of these devices and services.  These LDCs work very similar to high speed serial connections and are configured automatically whenever the Control Domain adds or removes virtual IO. To see all this in action, now lets look at a first example.  I will start with a newly installed machine and configure the control domain so that it's ready to create guest systems. In a first step, after we've installed the software, let's start the virtual console service and downsize the primary domain.  root@sun # ldm list NAME STATE FLAGS CONS VCPU MEMORY UTIL UPTIME primary active -n-c-- UART 512 261632M 0.3% 2d 13h 58m root@sun # ldm add-vconscon port-range=5000-5100 \ primary-console primary root@sun # svcadm enable vntsd root@sun # svcs vntsd STATE STIME FMRI online 9:53:21 svc:/ldoms/vntsd:default root@sun # ldm set-vcpu 16 primary root@sun # ldm set-mau 1 primary root@sun # ldm start-reconf primary root@sun # ldm set-memory 7680m primary root@sun # ldm add-config initial root@sun # shutdown -y -g0 -i6 So what have I done: I've defined a range of ports (5000-5100) for the virtual network terminal service and then started that service.  The vnts will later provide console connections to guest systems, very much like serial NTS's do in the physical world. Next, I assigned 16 vCPUs (on this platform, a T3-4, that's two cores) to the primary domain, freeing the rest up for future guest systems.  I also assigned one MAU to this domain.  A MAU is a crypto unit in the T3 CPU.  These need to be explicitly assigned to domains, just like CPU or memory.  (This is no longer the case with T4 systems, where crypto is always available everywhere.) Before I reassigned the memory, I started what's called a "delayed reconfiguration" session.  That avoids actually doing the change right away, which would take a considerable amount of time in this case.  Instead, I'll need to reboot once I'm all done.  I've assigned 7680MB of RAM to the primary.  That's 8GB less the 512MB which the hypervisor uses for it's own private purposes.  You can, depending on your needs, work with less.  I'll spend a dedicated article on sizing, discussing the pros and cons in detail. Finally, just before the reboot, I saved my work on the ILOM, to make this configuration available after a powercycle of the box.  (It'll always be available after a simple reboot, but the ILOM needs to know the configuration of the hypervisor after a power-cycle, before the primary domain is booted.) Now, lets create a first disk service and a first virtual switch which is connected to the physical network device igb2. We will later use these to connect virtual disks and virtual network ports of our guest systems to real world storage and network. root@sun # ldm add-vds primary-vds root@sun # ldm add-vswitch net-dev=igb2 switch-primary primary You are free to choose whatever names you like for the virtual disk service and the virtual switch.  I strongly recommend that you choose names that make sense to you and describe the function of each service in the context of your implementation.  For the vswitch, for example, you could choose names like "admin-vswitch" or "production-network" etc. This already concludes the configuration of the control domain.  We've freed up considerable amounts of CPU and RAM for guest systems and created the necessary infrastructure - console, vts and vswitch - so that guests systems can actually interact with the outside world.  The system is now ready to create guests, which I'll describe in the next section. For further reading, here are some recommendable links: The LDoms 2.2 Admin Guide The "Beginners Guide to LDoms" The LDoms Information Center on MOS LDoms on OTN

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  • Ubuntu 12.04 Install - Black Screen - No Grub - Have run Boot Repair Disk

    - by Pat
    Day 4 of my purgatory. History: Had problems with live CD at first, had to set the "nomodeset" option ... and then it worked fine. Installed Ubuntu "Alongside" Windows XP from live CD (NOT wubi) Upon reboot after installation, I get the BIOS ... and then a black screen. If I hit shift after the BIOS screen I get text that says "loading GRUB ..", but then no GRUB ... just a black screen. What I have tried to do: Total re-installation ... 3 times now. Also tried with wubi, same black screen. Have gone back to the normal (non-wubi) install. After installation, I tried re-booting the live cd ... and trying to change GRUB file using: sudo gedit /etc/default/grub ... to "nomodeset" and "timeout=10" ... but won't let me save my changes because I'm using the live cd "in memory" system and don't have permissions to the disks (I think). I tried logging in ... but it won't let me. I then read many posts on this site. I'm stuck. This morning, I ran the "boot repair disk". Results here: http://paste.ubuntu.com/1132333/ What I think is wrong: Since I can get the live CD to run (perfectly) with the "nomodeset" option, I think all I need to do is get to GRUB to change that ... but I can't get to GRUB. Appreciate any advice. Pat Day 5 ... I downloaded "Super Grub 2 Disk" from: http://www.supergrubdisk.org/super-grub2-disk/ This looks promising. I can boot the disk and it brings me to a GRUB program that allows me to: 1) Boot to Windows ... which works 2) Boot to Ubuntu ... which does NOT work When I choose boot to Ubuntu, I get lines across the screen which is an obvious video card problem. Likely because I need to set the "nomodeset" option. So, I attempted to use super grub2 to edit the grub file ... but it is TOTALLY different than the Ubuntu grub file ... and I don't know where to put the "nomodeset" option. Still stuck ... The bottom line is that: 1) I need to edit /etc/default/grub on sda(1) ... which is my boot drive ... to add the "nomodeset" option 2) To do that I need to get into grub ... but, I can't. Holding down shift just echo's "loading grub .." and then takes me to a black screen 3) I can boot to the live CD by setting nomodeset .... but I cannot access the hard disk as root ... I can't save my changes! Can anyone tell me how to login as root for the filesystem from the live CD ... so I can edit the grub file on the HARD DISK ... and then run update-grub??

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  • Excel tab sheet names vs. Visual Basic sheet names

    - by SteveNeedsSheetNames
    It seems that Visual Basic can not reference sheets according to user-modified sheet names. The worksheet tabs can have their names changed, but it seems that Visual Basic still thinks of the worksheet names as Sheet1, etc., despite the workbook tab having been changed to something useful. I have this: TABname = rng.Worksheet.Name ' Excel sheet TAB name, not VSB Sheetx name. Thanks, Bill Gates. but I would like to use sheet names in Visual Basic routines. The best I could come up so far is to Select Case the Worksheet Tab vs. Visual Basic names, which doesn't make my day. Visual Basic must know the Sheet1, Sheet2, etc., names. How can I get these associated with the Excel tab names so that I don't have to maintain a look-up table which changes with each new sheet or sheet tab re-naming? Thanks in advance for your replies.

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  • Disk IO Performance Limitations based on numbers of folders/files

    - by Josh
    I have an application where users are allowed to upload images to the server. Our Web Server is a windows 2008 server and we have a site (images.mysite.com) that points to a shared drive on a unix box. The code used to do the uploading is C# 3.5. The system currently supports a workflow where after a threshold is met a new subfolder can be generated. The question we have is how many files and/or subfolders can you have in a single folder before there is a degredation in performance - in serving the images up through IIS 7 and reading/writing through code?

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  • Dell 2950 Perc 6/i "physical disk" and "Enclosure(Backplane)" under Connector 1 in OMSA tree- Troubleshoot help

    - by user66357
    Just looking for someone who might know why this could occur... In OMSA, on my Dell 2950, there usually is only one "Physical Disks" child under "Enclosure (Backplane)" in the tree view. Currently, the tree looks like this: Dell PERC 6/i Integrated Connector 1 (RAID) Enclosure (Backplane) Physical Disks (1:04 good, 1:05 removed) Physical Disks (1:33 Ready but unused) Normally it's like this: Connector 1 (RAID) Enclosure (Backplane) Physical Disks (1:04 good, 1:05 good) From the front, 6 of 6 3.5" SAS drives are connected. The server is showing Slot 5 as bad and the disk as removed. It seems that the drive in Slot 5 is being sensed as external to the Enclosure. Any ideas why this would happen? Think I can get away with rebuilding the virtual disk by replacing 1:05 with 1:33? Thanks. UPDATE: The only options on the Physical Disk 1:33 were Assign as Global Hot Spare and Clear... After clearing, I assigned it as the Global Hot Spare. This allowed the rebuilding of the virtual disk. Hopefully it won't fail. I'm still unsure of the reason for this odd behavior. I'm checking the firmware next.

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  • Mysql: Disk is full writing

    - by elma
    Hi there, I'm having some problems with my mysql server lately, so I've decided to check the error logs: [root@LSN-D1179 log]# tail -10 mysqld.log 100325 19:30:03 [ERROR] /usr/libexec/mysqld: Table './lfe/actions' is marked as crashed and should be repaired 100325 19:30:03 [ERROR] /usr/libexec/mysqld: Table './lfe/actions' is marked as crashed and should be repaired 100325 19:30:18 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_task_logs.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:34:34 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_profile_portal_views.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:39:46 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_posts.TMD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:40:18 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_task_logs.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:44:34 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_profile_portal_views.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:49:46 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_posts.TMD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:50:18 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_task_logs.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs 100325 19:54:34 [ERROR] /usr/libexec/mysqld: Disk is full writing './omuz/ibf_profile_portal_views.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs And here's is my df -h output [root@LSN-D1179 log]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 143G 6.2G 129G 5% / /dev/sda1 99M 12M 83M 13% /boot tmpfs 490M 0 490M 0% /dev/shm As you can see, I have plenty of free space; so I couldn't figure out these "Disk is full" errors in mysqld.log. Does anyone know what should I do to fix this? Ugur

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  • Full disk encryption with seperate boot and encrypted keyfile storage: Two-Form Authentication

    - by Cain
    I am trying to setup true Full Disk encryption with two-form authentication on 12.04 and can not find out how to call a keyfile for the encrypted root out of another encrypted partition. All documentation or questions I am finding for whole or full disk encryption only encrypts separate partitions on the same disk. This is not what most are calling full disk encryption, /boot is not on a partition on the root drive, rather it is on a usb stick as sdx1. Instead root is on a logical partition on top of a LUKS container. Luks is run on the whole disk, encrypting the partition table as well. All drives in the machine are completely encrypted and to open it it requires a USB drive (what I have) as well as a passphrase (what I know) resulting in Two-Form Authentication to boot the machine. Device sdx cryptroot vg00 lvroot / There is no passphrase to open the encrypted root device, only a keyfile. That keyfile is kept on the usb drive with /boot, in its own encrypted partition (I'll call this cryptkey). In order for the root file system (cryptroot) to be opened, initramfs must ask for the passphrase to cryptkey on the usb drive, then use the keyfile inside that to open cryproot. I did manage to find what I think is the how-to I used to do this once before: http://wiki.ubuntu.org.cn/UbuntuHelp:FeistyLUKSTwoFormFactor I already have the system installed and can chroot into it, however, I can not get it to call for the keys on the USB during boot. I did find a how-to saying I needed to make a cryptroot conf for initramfs but, I believe that is for a passphrase: https://help.ubuntu.com/community/EncryptedFilesystemLVMHowto#Notes_for_making_it_work_in_Ubuntu_12.04_.22Precise_Pangolin.22_amd64 I also tried to setup crypttab. However, crypttab only works for drives mounted after the root drive as calling for a keyfile on a device not yet mounted to the system doesnt work. The Feisty how-to included scripts that would be run during boot instructing initramfs to mount the usb drive temporarily and call the keyfile for root which worked quite well except those scripts are outdated now, many of the things they relied on have been merged into something else, changed, or simply don't exist anymore. If I have missed a clear how-to for this, that would be wonderful, I just don't think I have.

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  • How to keep subtree removal (`rm -rf`) from starving other processes for Disk I/O?

    - by David Eyk
    We have a very large (multi-GB) Nginx cache directory for a busy site, which we occasionally need to clear all at once. I've solved this in the past by moving the cache folder to a new path, making a new cache folder at the old path, and then rm -rfing the old cache folder. Lately, however, when I need to clear the cache on a busy morning, the I/O from rm -rf is starving my server processes of disk access, as both Nginx and the server it fronts for are read-intensive. I can watch the load average climb while the CPUs sit idle and rm -rf takes 98-99% of Disk IO in iotop. I've tried ionice -c 3 when invoking rm, but it seems to have no appreciable effect on the observed behavior. Is there any way to tame rm -rf to share the disk more? Do I need to use a different technique that will take its cues from ionice? Update: The filesystem in question is an AWS EC2 instance store (the primary disk is EBS). The /etc/fstab entry looks like this: /dev/xvdb /mnt auto defaults,nobootwait,comment=cloudconfig 0 2

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  • Disk doesn't contain a valid partition table

    - by Jeevan Dongre
    I was running a m1.small instance ec2 ubuntu instance. I was running out of disk space, so I upgraded my instance to medium. When I upgraded I actually got 429.5 GB of space and after that I added 10 gb of volume too. When I run the "sudo fdisk -l" command I got this results. Disk /dev/sda1: 8589 MB, 8589934592 bytes 255 heads, 63 sectors/track, 1044 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/sda1 doesn't contain a valid partition table Disk /dev/sda2: 429.5 GB, 429461078016 bytes 255 heads, 63 sectors/track, 52212 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/sda2 doesn't contain a valid partition table Disk /dev/sdf: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 sda1 is the primary parition and sda2 is what I got added upgrading my system to medium. But the problem persists, I am not able to pull the code from git, it is giving me this error. remote: Counting objects: 409, done. remote: Compressing objects: 100% (236/236), done. fatal: write error: No space left on device fatal: index-pack failed

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  • disk partition centos

    - by FlourishDNA
    I am setting up server for hosting two WordPress which has size of around 70GB. I have already installed CentOS as OS and I would like to partition the Disk. Is there any tool which can help me or can someone guide me though the process as I am not expert is SSH commands. Here are some output that might help. OS: CentOS release 6.3 fdisk -l Disk /dev/xvdb: 214.7 GB, 214748364800 bytes 255 heads, 63 sectors/track, 26108 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000b91e0 Device Boot Start End Blocks Id System Disk /dev/xvda: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000e542c Device Boot Start End Blocks Id System /dev/xvda1 * 1 64 512000 83 Linux Partition 1 does not end on cylinder boundary. /dev/xvda2 64 2611 20458496 8e Linux LVM Disk /dev/mapper/vg_flourish-lv_root: 16.7 GB, 16718495744 bytes 255 heads, 63 sectors/track, 2032 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_flourish-lv_swap: 4227 MB, 4227858432 bytes 255 heads, 63 sectors/track, 514 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/vg_flourish-lv_root 16070076 758184 14495560 5% / tmpfs 958500 0 958500 0% /dev/shm /dev/xvda1 495844 31926 438318 7% /boot df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_flourish-lv_root 16G 741M 14G 5% / tmpfs 937M 0 937M 0% /dev/shm /dev/xvda1 485M 32M 429M 7% /boot Thanks

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  • Damaged external NTFS hard disk

    - by Thanos
    A few days ago, I used my external hard disk (a 2TB Seagate) in order to transfer some files on Windows Vista. During that, I noticed some malfunctions on my system (it was running too slow, Windows Explorer crashed). When Explorer crashed, file transportation stopped. I was afraid, but I tried to access my files and it seemed to be working. I tried to open a movie (from the external disk) but it couldn't load. I thought of restarting, but this took sooo long... So I unplugged the hard disk and at that time it managed to shut down. I logged on to Windows Vista but the hard disk couldn't be mounted. I plugged it but nothing happened. I unplugged it and I heard this specific sound that notifies that something has been unplugged. I thought of logging to Ubuntu 10.04 and see what I can do. I plugged the hard disk, but I couldn't see it. I opened GParted but I couldn't see it either. I tried with Disc Utility and there it was! I tried to mount it but a got an error message stating that an error occured with Windows, there is a file (0,0) that has problem or something like that. It suggested to log into Windows and run chkdsk /f and reboot twice. The thing is that I am somehow afraid to do so because I don't really know the impact on that. Plus I don't trust doing even a check on Vista... I finally risked it and I typed chkdsk/f on a cmd. I cannot, however, actually run it because I don't have admin privileges. So from search I found chkdsk, I right cliked and selected “run as administrator”. It run but I got a message like NTFS file system. It should check at the coming restart. At that point I am mistaken. I thought that f meant F but this is not the case here... Does anyone have any suggestions and advice?

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