other hazard to mention. live fs resizes tend to be sketchy. the growing of a live filesystem is possible and tends to work. but shrinking for obvious reasons is very dangerous and can be wrought with peril. also cannot be done live as far as I know for any ext filesystem.
-matt On Tue, Nov 27, 2012 at 6:13 PM, Lei Zhang <[email protected]> wrote: > Got it. > > Could Cinder can check the created volume? I can not find any command like > cinder > update. I try to extends the volume by lvextend, but data in the cinder > db doesn't update. So when I delete the changed volume, it raise error. > > On Tue, Nov 27, 2012 at 12:34 PM, Dean Troyer <[email protected]> wrote: > > On Mon, Nov 26, 2012 at 8:04 PM, Lei Zhang <[email protected]> >> wrote: >> > Another question. If the vm treat the vol-0 as a normal block device, >> is it >> > necessary to partition? If not, the fdisk will show Disk /dev/vdb >> doesn't >> > contain a valid partition table. If yes, how can I extend the volume on >> the >> > vm? It seems that treat the volume as a normal block device is not a >> good >> > idea. >> >> It is not necessary to partition the device (vdb) inside com-0. If >> you use it as an LVM physical device (PV) inside com-0 then pvresize >> will update the metadata o recognize the new size inside com-0 after >> you lvextend the vol-0 in the host. >> >> If you do partition /dev/vdb and don't use LVM in com-0 it is still >> possible to grow a partition, but you'll have to delete and re-create >> the last partition to get com-0 to recognize the additional space. >> And you'd also need to do the filesystem resize too. >> >> Nested LVM can be tricky but if you are careful to keep the layers >> separated it can work. >> >> dt >> >> -- >> >> Dean Troyer >> [email protected] >> > -- > Lei Zhang > > Blog: http://jeffrey4l.github.com > twitter/weibo: @jeffrey4l > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > >
_______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
