Re: screwed up a drive (i think)!

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update::

[root@dell-1 ~]# cat /proc/partitions
major minor  #blocks  name

   8        0  625131864 sda
   8        1     512000 sda1
   8        2  624618496 sda2
 253        0  262144000 dm-0
 253        1    8028160 dm-1
 253        2   78643200 dm-2
 253        3  157286400 dm-3
 253        4   87031808 dm-4

On Thu, Dec 26, 2013 at 5:17 PM, bruce <badouglas@xxxxxxxxx> wrote:
> Hi.
>
> I have a 640G drive I put back in a laptop, that now is showing up in
> the "File System" as a vg_dell45 icon, as well as showing up under the
> disk utility as a "Multi-disk Device" The drive didn't appear in these
> areas before.
>
>
> Here's the situation:
> -Took the drive out of the laptop
> -Inserted the drive into a usb external bay, copied a bunch of files
> to a separate system
> -Before copying the drive,  I ran the "vgchange -ay" cmd to be able to
> access the different partitions on the drive and copy the data
> -the initial system is an old FC13, the newer system is a Centos6.5
>
> -after copying, I then reinserted the drive back in the initial FC13 system.
> -everything boots, appears to run
> -however, when I look at the GUI File System/Disk Uility apps, I get
> what I mentioned above...
>
> I then did a fdisk -l and I see that the drive no longer appears to
> contain valid partition tables!!!
>
> So, something has happened. Researching doesn't point to anything, so
> I'm looking for pointers as to the bonehead screwup I did, as well as
> how to correct it.
>
> Here's the output of the fdisk -l
> [root@dell-1 ~]# fdisk -l
>
> Disk /dev/sda: 640.1 GB, 640135028736 bytes
> 255 heads, 63 sectors/track, 77825 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: 0x28000000
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          64      512000   83  Linux
> Partition 1 does not end on cylinder boundary.
> /dev/sda2              64       77826   624618496   8e  Linux LVM
>
> Disk /dev/dm-0: 268.4 GB, 268435456000 bytes
> 255 heads, 63 sectors/track, 32635 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/dm-0 doesn't contain a valid partition table
>
> Disk /dev/dm-1: 8220 MB, 8220835840 bytes
> 255 heads, 63 sectors/track, 999 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/dm-1 doesn't contain a valid partition table
>
> Disk /dev/dm-2: 80.5 GB, 80530636800 bytes
> 255 heads, 63 sectors/track, 9790 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/dm-2 doesn't contain a valid partition table
>
> Disk /dev/dm-3: 161.1 GB, 161061273600 bytes
> 255 heads, 63 sectors/track, 19581 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/dm-3 doesn't contain a valid partition table
>
> Disk /dev/dm-4: 89.1 GB, 89120571392 bytes
> 255 heads, 63 sectors/track, 10834 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/dm-4 doesn't contain a valid partition table
> [root@dell-1 ~]# vgchange -ay
>   5 logical volume(s) in volume group "vg_dell45" now active
> [root@dell-1 ~]# fdisk -l
>
> Disk /dev/sda: 640.1 GB, 640135028736 bytes
> 255 heads, 63 sectors/track, 77825 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: 0x28000000
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1          64      512000   83  Linux
> Partition 1 does not end on cylinder boundary.
> /dev/sda2              64       77826   624618496   8e  Linux LVM
>
> Disk /dev/dm-0: 268.4 GB, 268435456000 bytes
> 255 heads, 63 sectors/track, 32635 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/dm-0 doesn't contain a valid partition table
>
> Disk /dev/dm-1: 8220 MB, 8220835840 bytes
> 255 heads, 63 sectors/track, 999 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/dm-1 doesn't contain a valid partition table
>
> Disk /dev/dm-2: 80.5 GB, 80530636800 bytes
> 255 heads, 63 sectors/track, 9790 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/dm-2 doesn't contain a valid partition table
>
> Disk /dev/dm-3: 161.1 GB, 161061273600 bytes
> 255 heads, 63 sectors/track, 19581 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/dm-3 doesn't contain a valid partition table
>
> Disk /dev/dm-4: 89.1 GB, 89120571392 bytes
> 255 heads, 63 sectors/track, 10834 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/dm-4 doesn't contain a valid partition table
>
> here's the df -h for what it's worth..
> [root@dell-1 ~]# df -h
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/mapper/vg_dell45-lv_root
>                       247G  188G   46G  81% /
> tmpfs                 2.9G  356K  2.9G   1% /dev/shm
> /dev/sda1             485M   66M  394M  15% /boot
> /dev/mapper/vg_dell45-lv_apps
>                       148G   91G   50G  65% /apps
> /dev/mapper/vg_dell45-lv_home
>                        74G  616M   70G   1% /home
> /dev/mapper/vg_dell45-lv_backup
>                        82G  7.3G   71G  10% /backup
>
>
> So, how can i get this back to normal!
>
> Thanks
-- 
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