Re: /dev/loop

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===========================================================================
 Patrick DUPRÉ                                 | | email: pdupre@xxxxxxx
 Laboratoire de Physico-Chimie de l'Atmosphère | |
 Université du Littoral-Côte d'Opale           | |
 Tel.  (33)-(0)3 28 23 76 12                   | | Fax: 03 28 65 82 44
 189A, avenue Maurice Schumann                 | | 59140 Dunkerque, France
===========================================================================


> > 
> > I guess that it is an issue with the partition table.
> > I have 3 disks in teh same machine.
> > Yesterday I turned on the machine and turn it on this morning.
> > I could not boot. Then I decided to mount them in an
> > external USB enclosure. They all behave the same
> 
> Ok, I'm a bit confused here. Do you mean that you install one drive at a
> time into a USB enclosure to test?

Yes, on another machine

I tried to recover the partition table for 1 disk.
I worked, but there are plenty of issues.

Disk /dev/sdd: 232.9 GiB, 250059350016 bytes, 488397168 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
Disklabel type: dos
Disk identifier: 0x00000000

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sdd1  *     24981075  36258704  11277630   5.4G  7 HPFS/NTFS/exFAT
/dev/sdd2        36258705  46508174  10249470   4.9G  7 HPFS/NTFS/exFAT
/dev/sdd3        60030976 206895103 146864128    70G 8e Linux LVM
/dev/sdd4       206895104 488396799 281501696 134.2G  f W95 Ext'd (LBA)
/dev/sdd5       206899200 290785279  83886080    40G 8e Linux LVM
/dev/sdd6       317001728 405065727  88064000    42G 83 Linux

As you can see this table is wrong

But cannot mount /dev/sdd6 for example.
Disk /dev/sdd6 - 45 GB / 41 GiB - CHS 5481 255 63

The harddisk (45 GB / 41 GiB) seems too small! (< 60 GB / 56 GiB)
Check the harddisk size: HD jumpers settings, BIOS detection...

The following partition can't be recovered:
     Partition               Start        End    Size in sectors
>  Linux                 1889  40  8  7370 226 24   88064000 [Backup]

> 
> > 
> > testdisk
> > Partition sector doesn't have the endmark 0xAA55
> > 
> > Disk /dev/sdc: 232.9 GiB, 250059350016 bytes, 488397168 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
> > 
> > I never though that I could lost 3 disks at the same time.
> > I have a copy of the partition table on the disks.
> > 
> > I am trying to run testdisk
> 
> How? Via a rescue CD or something? I'm not familiar with testdisk but I
> see it's available on a bunch of rescue CD images.
> ----------------------------------------------------------------------
> - Rick Stevens, Systems Engineer, AllDigital    ricks@xxxxxxxxxxxxxx -
> - AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
> -                                                                    -
> -         Okay, who put a "stop payment" on my reality check?        -
> ----------------------------------------------------------------------
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