On Montag, 3. Mai 2010 Michael Monnerie wrote:
> When I created that XFS, I took two 2TB partitions, did pvcreate,
> vgcreate and lvcreate. Could it be that lvcreate automatically
> thought it should do a RAID-0? Because all reads are equally split
> between the two volumes. After a while, I added the 3rd 2TB volume,
> and I can't see that behaviour there. So maybe this is the source of
> all evil.
I found that lvcreate really is too smart:
-i, --stripes Stripes
Gives the number of stripes. This is equal to the number
of physical volumes to scatter the logical volume.
So it seems lvcreate did know that the VG was split among 2 "disks", and
therefore used -i2 while I wanted -i1.
Should be nodiratime, of course.
mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc
it-management Internet Services
http://proteger.at [gesprochen: Prot-e-schee]
Tel: 0660 / 415 65 31
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