Hello,
After having a failing boot drive on my storage box, I reinstalled
Sarge from scratch using the net-inst CD on a fresh drive. The box had two
lvm volumes with some PEs for one of them on the failing disk, and the
rest on other disks. In the installer I tried to only have it partition
the new /dev/hda, and thought I was successful. However, once I got it up
and running and tried to get the second, still intact, lvm volume working,
I discovered that the partition type on all the other drives had changed
to Linux swap!
Here's a snippet of an fdisk -l on one of my partitions now:
Device Boot Start End
Blocks Id System
/dev/ide/host0/bus1/target0/lun0/part1 1 24792
199141708+ 82 Linux swap
Here is what it looked like before the reinstall:
Device Boot Start End
Blocks Id System
/dev/ide/host0/bus1/target0/lun0/part1 1 24792
199141708+ 8e Linux LVM
Interestingly, pvdisplay seems to somehow be able to see that there is lvm
information on the drive:
biotron:~# pvdisplay /dev/hdc1
--- Physical volume ---
PV Name /dev/ide/host0/bus1/target0/lun0/part1
VG Name group_B
PV Size 189.92 GB [398283417 secs] / NOT usable 32.19 MB
[LVM: 151 KB]
PV# 1
PV Status NOT available
Allocatable yes (but full)
Cur LV 1
PE Size (KByte) 32768
Total PE 6076
Free PE 0
Allocated PE 6076
PV UUID 6he4J4-lpim-BHJG-334y-41DJ-Jz1n-lfMGA1
However, none of the lvm *scan utilities will find it, including vgscan.
I'm assuming this is because of the partition type.
I'd welcome any suggestions about what might have happened and if it might
be possible to fix it. Even when the drive was failing I was still able to
successfully mount the intact lvm volume with no problem. It was only
after the reinstall of Sarge that I had problems getting to it.
I'm tempted to try changing the partition type using fdisk or cfdisk, but
I'd like to be certain that it will only change the partition type and not
touch anything else before I try it, so I'm appealing here first for any
wisdom that you can offer.
Unfortunately, the data on those drives was actually very precious (not
just mp3s and warez). The two lvm volumes were rsynced to each other and
were on separate disks and this was providing a simple measure of
redundancy, but the initial hard drive failure took out one volume because
there were PEs on the failed drive for it, and now this has taken out the
other, so I'm in dire straits.
Thanks for any help,
Mike Roark
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