On Thu, Jul 14, 2005 at 09:53:09AM +0200, fredrik.backman@nll.se wrote: > I'm testing the experimental mirroring support and this doesn't add upp > for me? > > > pvs > PV VG Fmt Attr PSize PFree > /dev/sdb test_vg lvm2 a- 1020.00M 1020.00M > /dev/sdc test_vg lvm2 a- 1020.00M 1020.00M > > vgs > VG #PV #LV #SN Attr VSize VFree > test_vg 2 0 0 wz--n 1.99G 1.99G > > > lvcreate -m1 -L 100M -v -ntest test_vg > Finding volume group "test_vg" > Archiving volume group "test_vg" metadata (seqno 8). > Creating logical volume test_mlog > Not enough PVs with free space available for parallel allocation. > Consider --alloc anywhere if desperate. > > > However, if I add another PV into my volume group, the lvcreate above > succeeds. Yep - persistant mirrors require a log lv as well as the two mirror lvs, so with the default allocation right now it will fail if you don't have three disks. The log LV keeps track of which regions are dirty and which are clean for resyncing purposes. Regards, -- AJ Lewis Voice: 612-638-0500 Red Hat E-Mail: alewis@redhat.com One Main Street SE, Suite 209 Minneapolis, MN 55414 Current GPG fingerprint = D9F8 EDCE 4242 855F A03D 9B63 F50C 54A8 578C 8715 Grab the key at: http://people.redhat.com/alewis/gpg.html or one of the many keyservers out there...
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