[CentOS] Drive recovery?
sclark at netwolves.com
Tue May 10 18:28:55 UTC 2011
On 05/10/2011 02:24 PM, Ashley M. Kirchner wrote:
> I have a CentOS 5.6 system (recently installed) that, for some
> reason, has decided to mangle one of its drives, specifically /dev/hde1
> ... No errors anywhere, just rebooted the machine over the weekend and
> it's gone. Up till the reboot, the drive was fine, I was writing to it
> without a problem.
> fdisk tells me:
> # fdisk -l /dev/hde
> Disk /dev/hde: 160.0 GB, 160041885696 bytes
> 240 heads, 63 sectors/track, 20673 cylinders
> Units = cylinders of 15120 * 512 = 7741440 bytes
> Device Boot Start End Blocks Id System
> /dev/hde1 * 1 20673 156287848+ 83 Linux
> There are no hardware errors in the boot log (dmesg). The only
> error is that it can't find the ext3 fs that was on that drive.
> Unfortunately, it's not a drive I can simply reformat and call it a
> day. There's data on it I need.
> When I try to mount it, I get: hfs: unable to find HFS+
> superblock. Obviously that's not right as the drive was formatted as an
> ext3. So if I force it, I get this:
> mount -t ext3 /dev/hde1 /mnt/hde1
> mount: wrong fs type, bad option, bad superblock on /dev/hde1,
> missing codepage or other error
> In some cases useful info is found in syslog - try
> dmesg | tail or so
> So, is this just an indication that the partition table is hosed?
> Is there anything, any tool, any way of reading the data off of this
> drive and put it elsewhere?
Have you tried using an alternate superblock?
Sr. Software Engineer III
Email: steve.clark at netwolves.com
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