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Re: [linux-lvm] Question about LVM



- fox theendoftime net on 07/11/01 06:43:09 -0600:

> Hi;
> 
> I ran into this issue with AIX lvm.  A hard drive died and the IBM
> hardware monkeys removed the drive before mirroring could be broken
> (removing lv copies down to one, and reducing the volume group by the one
> dead drive)
> 
> However, because the drive had been removed before this could be done, the
> VGDA still had the old PVID of the old hdisk and would not let me remove
> it by the cannonical hdisk name.  The eventual solution was to run the
> rmlvcopy command and reducevg command with the PVID instead of the
> cannonical hdisk name.  There is no such command as rmlvcopy (or anything
> related as far as I can tell with Linux) but the reducevg is the same as
> vgreduce.  I am wondering if it's possible for a PV to be removed from the
> VG in such a way that the PV path (device name?) no longer exists in the
> system and thus, you wouldn't be able to do a vgreduce with the PV path
> (device name?)  In this case, is it possible to run the vgreduce command
> with the PVID of the removed drive?  Or does the Linux LVM handle this
> automagically?  Is this even a possible case under Linux?  I have to admit
> I'm still new to the Linux LVM after having worked with AIX LVM for years
> now.

Usual fix for this is to export the VG and re-import it w/
the required PV's.  At that point your VG comes back with 
a legit set of disks.  Then you can vgextent onto the new
device.

sl


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