----- Original Message ----- > From: "Rahul Hinduja" <rhinduja@redhat.com> > To: linux-lvm@redhat.com > Sent: Wednesday, April 16, 2014 6:58:47 PM > Subject: Issue in creating thinpool when used different pool metadatasize > > Hello All, > > This might be some basic mistake I would be doing with respect to different > poolmetadata size. > > When I am trying to create thinpool with poolmetadatasize as 4m it fails but > similar is successful when I try to create with 5m. Default poolmetadatasize > can be 2m to 16g so I am not sure what is error I am enforcing it to fail. > > Kindly help me out with this issue. > > > Case 1: poolmetadatasize as 4m > > #script to create thinpool with poolmetadatasize 4m > > [root@rahul ~]# cat temp > pvcreate /dev/vdb > pvcreate /dev/vdc > pvcreate /dev/vdd > pvcreate /dev/vde > > vgcreate snap_vg0 /dev/vdb /dev/vdc /dev/vdd /dev/vde > lvcreate -L 90G --poolmetadatasize 4m -T /dev/snap_vg0/snap_thin_pool0 > #lvcreate -L 90G -T /dev/snap_vg0/snap_thin_pool0 > lvcreate -V90G -T /dev/snap_vg0/snap_thin_pool0 -n snap_thin_vol0 > [root@rahul ~]# > [root@rahul ~]# #Creation Fails [root@rahul ~]# ./temp Physical volume "/dev/vdb" successfully created Physical volume "/dev/vdc" successfully created Physical volume "/dev/vdd" successfully created Physical volume "/dev/vde" successfully created Volume group "snap_vg0" successfully created Logical volume "lvol0" created device-mapper: reload ioctl on failed: Invalid argument Failed to suspend pool snap_thin_pool0. Thin pool snap_thin_pool0 not found in Volume group snap_vg0. [root@rahul ~]# > > > > > Case 2: poolmetadatasize as 5m > > #script to create thinpool with poolmetadatasize 5m > > [root@rahul ~]# cat temp > pvcreate /dev/vdb > pvcreate /dev/vdc > pvcreate /dev/vdd > pvcreate /dev/vde > > vgcreate snap_vg0 /dev/vdb /dev/vdc /dev/vdd /dev/vde > lvcreate -L 90G --poolmetadatasize 5m -T /dev/snap_vg0/snap_thin_pool0 > #lvcreate -L 90G -T /dev/snap_vg0/snap_thin_pool0 > lvcreate -V90G -T /dev/snap_vg0/snap_thin_pool0 -n snap_thin_vol0 > [root@rahul ~]# > [root@rahul ~]# > > > > #Creation Success > > [root@rahul ~]# ./temp > Physical volume "/dev/vdb" successfully created > Physical volume "/dev/vdc" successfully created > Physical volume "/dev/vdd" successfully created > Physical volume "/dev/vde" successfully created > Volume group "snap_vg0" successfully created > Rounding up size to full physical extent 8.00 MiB > Logical volume "lvol0" created > Logical volume "snap_thin_pool0" created > Logical volume "snap_thin_vol0" created > [root@rahul ~]# > > > Please find the attachment with detailed outputs of different lv commands > > Thanks, > Rahul _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
