Hardware :: Restoring Data From A Drive With IO Errors?
Sep 1, 2010
I am constantly replacing server drives at work. Our terminals use Transcend 2gb Compact Flash Drives. Sometimes we run into drives that need to be replaced due to IO errors. Which brings me to my questions.
I have heard that you cannot restore data from a drive that has IO errors. Is this true with Compact Flash Drives? It is to my understanding that IO errors are due to bad sectors on a harddrive and not the file it self. Is this true? Why can I not use the old drive to restore from?
My process is to mount the Old Server as dev/hdb and the new server as /dev/hda. Then restore the customers data. Every server card already has our software on it. We are just restoring sales info and that stores specific data.
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May 29, 2011
(Just to clarify: This has nothing to do with the 11.4 mount problem with external NTFS drives that is stickied in this forum.)
I have this 2 year old WD Elements drive (500GB) that is NTFS formatted and that I've used for backup all this time, until a few months ago it failed to be recognized by any computer. The power supply is working, so I first requested a new cable, which didn't help, and now I received a replacement. But still I would like to save some of the data on the hard disc. I need to have this figured out within this week as I have to return the old drive, or they will charge me for the new.
So far, the only software to still recognize the drive was a WD analytical tool for Windows. It didn't find any problems or show any error messages as far as I could tell. They recommended using testdisk to recover the data, but testdisk doesn't recognize the hard drive in the first place. I also tried KParted, but no success.
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Mar 31, 2010
I've been running a dual boot set-up with Win XP and Ubuntu 9.10. The old 40 gb drive was showing signs of impending failure, so I replaced it with a new 120 gb drive, after saving an image of the old setup. After restoring the image from the original drive to the new one, Windows boots fine from the GRUB menu, but Ubuntu doesn't. I briefly see the Ubuntu "circle" then the screen goes blank. If I hit any key, I get a console screen of error messages (I can provide details if needed).
I think the problem is caused by the fact that the restore process scaled the saved image to fit the new, larger drive, with the result that the Ubuntu partition doesn't actually start where GRUB expects to find it. I'd like to recover the Ubuntu installation, but if is too big a deal, I'll just wait until 10.4 is released and do a clean install.
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Jul 2, 2011
A week before I installed the PYSDM utility for automatic mount of windows partition during startup. Always it used to give warning saying that partition can not be mount. Now, I want to restore the previous setting. I uninstalled PYSDM but still it give the same annoying warning. Please help with restoring the default drive mount setting.
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Jan 13, 2011
I am looking for an Open Source software making it possible to make a disk image of an Ubuntu installation as well as a Windows XP installation.I have checked out Clonezilla which almost solved the problem. However, the disk to which you restore needs to be the same size or bigger. I want to restore the whole thingo a smaller disk than the original.I am considering getting myself an SSD disk which will be considerably smaller than the 160 gb disk I have right now. I need it to work for Windows as well. Unfortunately I can't get rid of Windows quite yet I often participate in webinars on GotoWebinar and they do not support Linux ...
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Aug 19, 2009
I am quite newbie with Linux networking and I want to know if there exist a log in Linux where errors during transfers are stored. I mean, when I'm transferring data between two hosts is there any way to log somewhere (where?) the errors or warning during the transfer? That is, connection failures, TCP or UDP errors, etc.? Is there any "log level" to select the errors to be displayed in the log not to work with a huge log file?
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Jun 22, 2010
I have a Webserver (Co-Location) and all runs fine ... since last week. Now there are a lot of RX-ERR shown in netstat and ifconfig. And when I try to upload a external website direct on the server for example via wget, it is very very slow and hangs very often.
RX packets:2919694 errors:990386 dropped:0 overruns:0 frame:596420
TX packets:4231423 errors:0 dropped:0 overruns:0 carrier:0
I have analyse the network but I was not able to find a problem. My hoster has checked the network and all looks fine. For example my hoster has plugged-in a pc in the same switch ... and was able to do wget (load external data, like websites) in normal speed.
Since last week my websites were delivered slower as before, too. It seemed there is a network-problem ... but how can I find it?
Actually I can install moduls ... but the server needs hours. So, if you knows a good command-line tool to analyse the network.
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Jan 13, 2010
- 160gb is where i install CentOS (pretty much the hard drive for operation system) - Lets call this drive A
- Two 1TB drives run in RAID 1, using software RAID (this is where i will store personal data, pictures, movies, music, etc...) - Lets call this RAID 1 setup drive B
I am planning to run a virtual Win Server 2008 using Xen and have that be my domain controller. I will use samba to share drive B and have the network drive map when user login to the domain.
- If for some reasons i have to reinstall CentOS, this pretty much mean drive A will be formatted and reinstalled. Knowing my self i probably will goof up some config in CentOS and will need to reinstall the OS to fix it. Since drive B will be the centralize location for my home network, i dont want to lose the data. Will i be able to re-setup the RAID setup of drive B and still have all the data stored on it intact after a reinstall?
- Is the separation of OS drive and data drive recommended?
- Are there any better way to accomplish my setup? I am pretty much just looking to make a linux file server and windows on client's end.
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Jan 10, 2010
I have an external 3.5" USB 250Gb HDD which is showing symptoms of hardware problems (repeated /var/log/messages errors of "reset high speed USB device using ehci_hcd"). This was originally plugged in to my NSLU2 running Debian Etch. I have just installed Ubuntu Desktop 9.10 to a spare Pentium-3M laptop and was hoping to copy the contents of this HDD to a fresh drive. However, I cannot mount it even read-only; mount -o ro /dev/sde3 /mnt/disk fails, and the /var/log/messages error is "recovery required on readonly filesystem", "write access unavailable, cannot proceed". I cannot understand why mounting a disk read-only should require write access. Following advice I googled elsewhere, I tried running mke2fs -n /dev/sde3 to try to list the alternative superblocks - but once again I got the error that the device was read-only. How can I go about accessing the data on this disk?
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Mar 21, 2009
Sometimes when I do anything write heavy such as transferring backup or downloading large files from the net, the machine crashes almost completely.
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Mar 22, 2011
Whenever i do a cold startup (as opposed to a restart), i end up with a repeatable i/o error after roughly 5 minutes. This completely renders the system useless, and i'm talking to myself about raising elephants. I can _always_ restart right after the incident, and it _always_ starts up and i can use linux without incident for _days_.
What would do this? Is there a log i can peruse that might offer insight?
Also, this is a new sympton as of the last 2 kernel updates.
Actual solution:
See This launchpad bug. solution is about halfway down
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Jul 13, 2010
i just built a new ubuntu 10.04 system for my mother because her windows machine died. I was wondering is there anyway i can get here email address and stuff from outlook onto Evolution. i have the old harddrive in a external box via usb, so i can get to the files. i can not boot from that drive because windows has seriouse errors in it.
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Feb 3, 2011
I am trying to backup my ~ directory to a portable drive. In the meantime rsync is giving me all kinds of messages like this:
[Code]...
This drive is neither plugged into my computer nor is it involved with my backup script:rsync $base_options -narv /home/noleks /media/Personal1/Linux_bak. I think the question is, does rsync have a queue somewhere of operations it did not complete? If so is there a way to rest this? It is possible something went awry with a previous sync on this drive but I cannot remember right now. Either way why is it trying to complete that sync when I'm asking it to do something else?
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Jun 15, 2011
I am having problems with a cd/dvd drive and I would like to know if it could be a driver problem or what?
I can boot from cdroms but I almost always have problems mounting the cdrom's filesystem.
The laptop has been working for years with the same ubuntu release (hardy) but there are always a couple of warnings during boot time saying that certain drivers should be updated but I don't know how.
These are the persistent messages from dmesg output:
Code:
[ 12.693449] Driver 'sd' needs updating - please use bus_type methods
[ 12.700371] sd 0:0:0:0: [sda] 156301488 512-byte hardware sectors (80026 MB)
[ 12.708884] sd 0:0:0:0: [sda] Write Protect is off
[ 12.715663] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[Code]...
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Jan 18, 2010
anyone shed some light into these errors I keep getting for multiple files when I run rsync in verbose mode to a FAT32 external hard drive?
rsync: stat "/mnt/usbdrive/Batch 2/od venezuelan" failed: No such file or directory (2)
rsync: recv_generator: mkdir "/mnt/usbdrive/Batch 2/joseph gangster" failed: No space left on device (28)
I have 588GB available on my external hard drive, and i'm only trying to rsync 200GB to it, so its not out of space or anything like that. I've tried rsync with -r -t --size-only --delete and -r -t --modify-window=1 --delete and both ways seem to give me the message. or should i just reformat as NFTS and start over? i already had another 200GB data set copied on here, was trying to add a second. its all JPG pictures.
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Jul 10, 2011
I just bought a new hard drive for my lenovo ThinkPad R60e. It is the following model:
Code:
# hdparm -I
ATA device, with non-removable media
Model Number: WDC WD5000BUDT-63G8FY0
Firmware Revision: 01.01A01
[Code].....
After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.
It is regardless which kernel version I use (latest ARCH Linux 2.6.39 or 2.6.23 from a grml live system), the error is persistent everywhere.
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Jan 22, 2010
Someone explain this to me. I often thought in the back of my head, how do I check if my drive is bad in Linux? I always excused it thinking well I guess besides gaming that's another reason to keep a windows partition around. I boot up yesterday and Gnome was acting weird. Then, it happened. "We have detected bad sectors in your hard drive." I thought, no, you're stupid, this hard drive is less than a year old (however it was a replacement for another one that died). So I reboot.
Boot back up - Different error message. But instead of getting it a few minutes after log in, I got it right away. "We have detected potential hard drive failure." Okay, Linux. Want to play this game? Booted to Vista, downloaded Seatools to test my Seagate drive. It failed... Swapped SATA cables... it failed... So I ask - how does Linux have this auto detect capability like that? As much as I love Ubuntu, I was like there's no way it could just magically tell like that without running the Seagate program. But alas, Ubuntu was dead on target.
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Sep 24, 2010
I have a laptop, running Windows Media Centre unfortunately, and I think the hard drive is hosed. I was wondering is there away of checking the hard drive for errors using the ubuntu livecd? I would put ubuntu straight onto it only there are various items within Windows that the owner needs to get.
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Nov 8, 2010
i am currently running palimpsest (system -> administration -> disk utility) and letting it "check" an unmounted filesystem.
i know its just running fsck.ext3 on this drive... the drive is formatted ext3, and is used on a hardware media player (WDTV Live Plus) in another room... i just moved it in here to avoid copying recorded HD shows over the LAN.
anyway, i was informed at boot with this drive connected that it needed to be checked, after booting it is mounted, but says it has errors and needs to be checked. it is checking, i would assume messages from fsck.ext3 would be logged to /var/log/fsck/checkfs, but i have never been interested in this type of thing before... usually when my drives start to get errors, its time to replace them... this one im sure is caused by being unmounted incorrectly by the stupid WDTV Live Plus...it locks up sometimes, lol...
i dunno, this is a big drive. just wish there was some "status update" other than a whirling indicator... im tailing the log file i mentioned above, but so far it just has "Nothing has been logged yet." (which i take as a really good thing at this point.
EDIT: at the very end of the filesystem check, i got a message about the filesystem being clean with no errors. id still like more of an indication than "whirling indicator thingy"...guess ill go back to CLI for checking filesystems. lol
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Mar 17, 2011
I have a Dell Dimension 690 with a LSI raid controller. I just added two 2Tb drives to the 2 160Gb drives that I currently have. The 160Gb drives used to be set up in a redundant raid configuration and are now set up as stand alone drives. The 2Tb drives are redundant raid. I installed Zentyal server software (formally eBox). It seems that the system is starting up OK but on booting I am getting the following errors:
[Code]....
I do not want to put data files back on the server if it has some errors that will bite me later.
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Apr 13, 2011
This comes up when I try to boot my laptop, 'Errors were found while checking the disk drive for /'
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Jul 10, 2009
I just upgraded to Fedora 11. (I decided to give 64bit a try and I am extremely impressed.Not one problem at all! Kudos to the devs.) Whenever I log in I get the Palimpsest Disk Utility telling me two of my hard drives have a reallocated sector count.I have two 1.5Tb Seagate drives (model #: ST31500341AS). One is a backup of the other. On the first disk the disk utility tells me I have 22 reallocated sectors and 53 on the second. I've been on Google on discovered that there is no easy way to fix this and that a few bad sectors are okay but too many is a sign of imminent drive failure. This obviously concerns me because both my main drive and its backup are showing errors.
I went to Seagate's website and downloaded their diagnostic software (Seatools for DOS) and it passed both of these drives.So, questions: is it possible that Fedora is giving me a false positive? If not, is 22 and 53 sectors something to be concerned about? If so, should I contact Seagate and see if I can pull warranty on these drives? Is there a way to repair this damage?
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Dec 16, 2010
I had a set of rather unusual problems on installing a new 500Gb hard drive on my F14 system, I've solved them, but they were that unusual that I thought I should share them in case anyone else gets the same thing! I'd been experiencing intermittent faults on one of my drives, (lock ups for no reason, occasional boot ups that failed due to ' disk unreadable errors' and other odd errors). I assumed that the drive was failing, but it always showed 'Heathy' on disk utility! This was the disk with the OS on, plus my main 'data' disk had some bad sectors, so I thought I'd buy a nice big 500Gb and reinstall the whole system.
I backed up all my data to an external 'USB' drive, opened the case, (a big old under the table 'desktop', why do they still call them 'desktops'?) shoved in the new SATA drive and rebooted, intending to format the new drive to EXT4 and partitioning it before installing F14 again! OOOOOOOOOW! Major drive failure, missing OS, whole list of SDB errors! Control D, to reboot, BIOS only sees one drive; SDA (I have three, two IDE and one SATA) plus the one I just put in makes four. I go into BIOS and discover that it not only cant see any of the other drives, but my two DVD drives are missing too!
Now I've been building my own systems and mucking about with computers since before you could buy them, and Ive never seen a problem like this one! At first I thought the new drive had screwed my system, for on removal, the problem persisted! Then I noticed that the IDE connector in drive SDB, (the long 40 pin job) was just slightly out of line with the back of the drive, pushed it firmly in and what do you know, everything works! We moved recently and I think the vibration was enough to loosen the connector to give intermittent faults, and pulling the cables about to get the new drive in, pulled it out further......
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Oct 12, 2010
I have been running 10.4 with no problems for some time now. Today when I booted up it started checking the drive for errors, and I just left it to do its thing. I came back to this warning screen: Ubuntu is running in low-graphics mode.Your screen, graphics card, and input device settings could not be detected correctly.
I've tried all of these with no luck. When I select to run to low graphics mode, it says "Stand by one minute while the display restarts...OK".I select OK and then it gets stuck checking for battery state.I try to reconfigure the graphics, and nothing happens when I select any of the options on the next screen.
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Sep 8, 2010
I installed Ubuntu 10.10 beta yesterday and most of it is working very well. However, I ran into a problem with permissions today.I have a HDD containing my home folder and a HDD containing my data folder. The HDD with the data folder is mounted on /media/data/data_1.
Code:
jensen@jensen-desktop:~$ ll /media/data/ | grep data_1
drwxrwxrwx 8 jensen jensen 4.0K 2010-09-07 23:10 data_1/[code]....
I made sure I had set a+x rights on the file, tried executing it as root but the permission error stayed.When I copy that same file to my Desktop folder I can perfectly execute it.When it's located on the other hard drive I can't. I tried several command line scripts and they all work when I execute them from my OS hard drive,but not from another hard drive.
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Oct 23, 2010
I'm trying to create a dual-boot system, and have been following the instructions here. However my hard disk has bad sectors, and GParted won't let me resize the Windows partition. It tells me to use ntfsresize with --bad-sectors as an option, after having done some checks, all of which I've done. I've successfully shrunk the NTFS volume in this way -
when I boot into Windows, it says the hard drive is the size I set it at. However, the Ubuntu installer and Gparted still see the Windows partition taking up the entire hard drive. So, for the installation, do I have to set the size of the volumes manually, or is there a way to make Ubuntu see what ntfsresize has done?
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Aug 13, 2010
I currently have a 1.5TB sata drive connected to my system, with data already on it. In the next few days I am planning to use mdadm to create a raid5 array with another 2 1.5TB drives along with the one I already have. Is it possible to create the raid without losing the data on my current hard drive? Obviously it will be backed up before hand just in case, but it would be nice not to have to restore nearly a TB of data after raid'ing the drives.
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Jun 12, 2009
I have a server which had one drive in it that was using LVM. I removed it and moved it to the secondary bay in the same server, then installed a fresh new blank drive in the primary bay on this server.
I then installed CentOS 5.2 on the new drive. During the partition phase of the install, I partitioned my new drive and MAY or MAY not have removed the LVM from the second drive and left the partition there, not sure exactly what I did.
After install I wanted to try to mount the old drive so I could access the files on the old drive. The /boot partition shows up when I do a df -h but not the / partition where everything I need is stored.
When I look at the drives in Webmin, the second drive is there and shows up as LVM but has not LVM name.
Basically what I need is on /dev/sdb2.
How I might be able to mount this partition which seems to still exist when looking at webmin.
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Aug 8, 2009
I have an XD card with lots of pictures in it which suddenly stopped working, it gives me "card error" messages in my camera (and any other one) and it refuses to mount on my laptop's card reader (which does work in F11 for XD cards, I've tried other ones).So I'm trying to use some program to make an image of what's in the card, like ddrescue or dd_rhelp. But they all need me to mount the disk, which I just can't. I have tried to mount it manually, but I'm not even sure what device I should point to.
So my question is, how can I mount a faulty drive in such a way that any of these programs can make an image? Or maybe there is a smarter way to try to get my pictures back? (There are some non-free programs in Windows which may seemingly help, but I'd like to figure out how to do this in Linux).
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Dec 3, 2009
The following quote is the sad, sad story of a thumb drive with the partition table nuked, as told by a friend of mine:
Quote:
Data was recovered from an XP system by booting with a BartPC CD and copying onto a USB thumb drive. Nothing unusual.
System was rebooted into the XP install CD.
The first drive that was found was the 16gb thumb drive (AKA flash drive) and the person (re) installing XP didn't catch the fact that XP presented the 16gb thumb drive instead of the 160gb hard drive.
The drive partition function in XP deleted the partition table - on the thumb drive.
A freeware utility in Windows shows the data but can't recover the file names, so that everything is gobbledygook. Does anybody know of a utility or program under Linux that can help? I have a laptop running F 12 and can do the work if needed, but don't know what program to use.
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