[linux-lvm] Urgent, Moving disk from hdc to hdf in existing lvm

[William Blunn]

> Is it possible to "reconfigure" the vg so that the disk that once 
> was hdc will be hdf? Prefably without loosing data.

The position of a PV within the LVM is controlled by the metadata stored within the PV, not the device identifier.

There is no reconfiguration per se necessary.

If your startup scripts don't do vgscan, then you will need to do one of these manually.

I think it is something like:

vgchange -an
vgscan
vgchange -ay

Of course if you have put your root filesystem in LVM then you are stuffed (and I have no sympathy for anyone in this situation).

Bill

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