[linux-lvm] LVs corrupted after pvresize

Christian Völker chrischan at knebb.de
Fri Oct 17 04:05:15 UTC 2008


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Yohoo!

|> I resized one of these RAID arrays for additional 250GB. After this was
| Resizing a RAID-5 array is often not what you think, and doing so often
| scrambles the data, depending on what RAID implementation you are using.
I'm using a hardware RAID 3ware 9500S Controller. And this guy offers
migration from RAID10 (4disks) to RAID5 (4disks, but with larger capacity).
And I already did this task several times on these types of controllers.


| In any case, LVM was not your problem.
This answer is too simple to be true.
After the resize the partition and the PV were recognized correctly! So
I'm pretty sure the migration was ok.
But after the deletion of the partion, recreation and pvcreate
everything went wrong. So for me it is obvious, LVM had an issue. But
which one?

Greets
Christian
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