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Re: [linux-lvm] Severe problem: data lost while adding a partition



Sander,

can you tell what you mean with
'...something went horribly wron during install...' ?

Any particular messages which can help analyzing this ?

If you don't have any, take your most recent LVM metedata from the archive 
(/etc/lvconf/ ; you've got a backup, right ?), figure out disks used as PVs
with "vgcfgrestore -ll ..." and run "pvcreate -ff ..." and vgcfgrestore
on all of them. The archive you use shall _not_ include the recently added
disk.

Regards,
Heinz    -- The LVM Guy --


On Sun, Feb 02, 2003 at 01:14:28AM +0100, Sander Alberink wrote:
> Hello all,
> 
> I write to you with a rather grave problem. I have a small LVM setup at 
> home, consisting of 4 partitions. These were created by the Mandrake 8.2 
>   installation system. After deciding to upgrade the system to Mandrake 
> 9.0, I found out that I had another partition lying around which was 
> also prepared for LVM use. I had meant for that disc to use later on in 
>   a different scheme for my /usr partition but never got around to do it.
> However, during installation I decided to add it to the LVM. The idea 
> was that I would extend the FS later (of course, I was not going to 
> involve this LVM setup in the rest of the installation, I would do all 
> that manually.)
> 
> But as you probably guessed, something went horribly wrong during 
> install time and my LVM setup is properly hosed. I wanted to re-create 
> the setup, but alas: I forgot which was the disk that I added.
> 
> The name of the LV (there was only 1) was home, the disks involved were 
> /dev/hda1, /dev/hda[4-6].
> 
> Output of pvscan:
> ----------------------------------------------------------------------
> pvscan -- reading all physical volumes (this may take a while...)
> pvscan -- walking through all physical volumes found
> pvscan -- inactive PV "/dev/ide/host0/bus0/target0/lun0/part1"  is 
> associated to an unknown VG (run vgscan)
> pvscan -- inactive PV "/dev/ide/host0/bus0/target0/lun0/part4"  is 
> associated to an unknown VG (run vgscan)
> pvscan -- inactive PV "/dev/ide/host0/bus0/target0/lun0/part5"  is 
> associated to an unknown VG (run vgscan)
> pvscan -- inactive PV "/dev/ide/host0/bus0/target0/lun0/part6"  is 
> associated to an unknown VG (run vgscan)
> pvscan -- inactive PV "/dev/ide/host0/bus0/target0/lun0/part7"  is 
> associated to an unknown VG (run vgscan)
> pvscan -- total: 5 [1.97 GB] / in use: 5 [1.97 GB] / in no VG: 0 [0]
> 
> -----------------------------------------------------------------------
> 
> output of vgscan:
> -----------------------------------------------------------------------
> vgscan -- reading all physical volumes (this may take a while...)
> vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
> vgscan -- WARNING: This program does not do a VGDA backup of your volume 
> group
> 
> -----------------------------------------------------------------------
> 
> output of pvdisplay /dev/hda1 (this partition belonged to the LV for sure)
> -----------------------------------------------------------------------
> pvdisplay -- getting physical volume size
> --- Physical volume ---
> PV Name               /dev/ide/host0/bus0/target0/lun0/part1
> VG Name               home
> PV Size               399.62 MB / NOT usable 3.62 MB [LVM: 121.00 KB]
> PV#                   1
> PV Status             NOT available
> Allocatable           yes (but full)
> Cur LV                1
> PE Size (KByte)       4096
> Total PE              99
> Free PE               0
> Allocated PE          99
> PV UUID               NCf9U6-nqVy-zn3K-upFo-S0PB-SFqb-o2ERjs
> -----------------------------------------------------------------------
> 
> If you need any further information, please let me know!
> I do hope you can help me with this, since I stand to loose a lot of 
> personal data, of which exists no backup (of course, you guys probably 
> hear this all the time).
> 
> Best regards,
> 
> Sander Alberink
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen Sistina com                           +49 2626 141200
                                                       FAX 924446
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