From: David Teigland <teigland@redhat.com>
To: lvm-devel@redhat.com
Subject: duplicate pv names
Date: Tue, 2 Apr 2013 17:24:08 -0400 [thread overview]
Message-ID: <20130402212408.GA1923@redhat.com> (raw)
My current patch set it having a problem with the test vgimportclone.sh,
which has me questioning the desired pvs output with duplicate pv names.
# dd if=/dev/sdc2 of=/dev/sdc3 bs=256K count=1
# pvs
Found duplicate PV mPJxALsM0WGwdEZfoE7ewO8inDs1EhyG: using /dev/sdc3 not /dev/sdc2
PV VG Fmt Attr PSize PFree
/dev/sdc1 vgu lvm2 a-- 32.00g 23.00g
/dev/sdc3 vgv lvm2 a-- 16.00m 16.00m
/dev/sdc4 vgv lvm2 a-- 16.00m 16.00m
Do we want to omit /dev/sdc2 from this list? (Suggest no.)
# pvs -a
Found duplicate PV mPJxALsM0WGwdEZfoE7ewO8inDs1EhyG: using /dev/sdc3 not /dev/sdc2
PV VG Fmt Attr PSize PFree
/dev/sdc1 vgu lvm2 a-- 32.00g 23.00g
/dev/sdc3 vgv lvm2 a-- 16.00m 16.00m
/dev/sdc3 vgv lvm2 a-- 16.00m 16.00m
/dev/sdc4 vgv lvm2 a-- 16.00m 16.00m
Do we want /dev/sdc3 to appear twice, or one of them to be /dev/sdc2, or
omit one like above? (Suggest both sdc2 and sdc3 appear.)
# pvs /dev/sdc2
Found duplicate PV mPJxALsM0WGwdEZfoE7ewO8inDs1EhyG: using /dev/sdc3 not /dev/sdc2
PV VG Fmt Attr PSize PFree
/dev/sdc3 vgv lvm2 a-- 16.00m 16.00m
# pvs /dev/sdc3
Found duplicate PV mPJxALsM0WGwdEZfoE7ewO8inDs1EhyG: using /dev/sdc2 not /dev/sdc3
PV VG Fmt Attr PSize PFree
/dev/sdc2 vgv lvm2 a-- 16.00m 16.00m
It seems strange that we use the duplicate that was *not* specified.
Is that what we want? (Suggest it be reversed.)
next reply other threads:[~2013-04-02 21:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-02 21:24 David Teigland [this message]
2013-04-03 9:32 ` duplicate pv names Petr Rockai
2013-04-03 15:22 ` David Teigland
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