First off - Bummed that I missed the PLUG talk on LVM - if I'd realized I was going to need it so soon, I would have gone out of my way to attend! In any case, Brian Martin's post [1] on the subject is a great read.
So I'm trying to create a logical volume in a volume group that stripes across a few of Amazon's EBS volumes. When I try this with a couple 1 GB volumes, it works fine. When I try this with five 1 TB volumes, I'm seeing a strange error. $ vgcreate ebs_vg /dev/sdp1 /dev/sdp2 /dev/sdp3 /dev/sdp4 /dev/sdp5 $ vgdisplay /dev/ebs_vg --- Volume group --- VG Name ebs_vg System ID Format lvm2 Metadata Areas 5 Metadata Sequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 Open LV 0 Max PV 0 Cur PV 5 Act PV 5 VG Size 4.88 TiB PE Size 4.00 MiB Total PE 1279995 Alloc PE / Size 0 / 0 Free PE / Size 1279995 / 4.88 TiB $ lvcreate -l 100%VG -n ebs_lv -i2 ebs_vg -I256 Rounding size (1279995 extents) up to stripe boundary size (1279996 extents) Volume group "ebs_vg" has insufficient free space (1279995 extents): 1279996 required. I'm expecting it to be smart enough to make it the right size by using the "100%" for the logical extents. If I try to manually set this to the number it seems to want, I still get the error: $ lvcreate -l 1279995 -n ebs_lv -i2 ebs_vg -I256 Rounding size (1279995 extents) up to stripe boundary size (1279996 extents) Volume group "ebs_vg" has insufficient free space (1279995 extents): 1279996 required. Anyone see anything glaring that I'm missing? Thanks! - Jason L. _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
