Bug#688757: pvmove onto disk with different sector size hazardous

Eric Sandeen sandeen at sandeen.net
Tue Sep 25 15:36:05 UTC 2012

I'd be curious to know what this disk is, as well as what filesystem
this was (I assume ext3) and what error messages were actually encountered.

Could you tell us the model, but more importantly:

# blockdev --getss --getpbsz /dev/whatever

It sounds like it is a 4k drive but with no logical 512 mapping?

aside from all that, pvmove of a mounted filesystem sounds terribly dangerous,
though not related to the "fsblocksize too small" error you ran into.


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