Re: [CentOS] LVM + XFS + external log + snapshots - SOLVED

2013-06-25 Thread aurfalien
On Jun 25, 2013, at 6:02 AM, Gordon Messmer wrote: > On 06/24/2013 07:49 PM, aurfalien wrote: >> Freezing the fs looks to make the log zero. So assigning any >> device/file for the external log would work. My mistake was not >> making the log dev an LVM. However I don't if a log on an LVM would

Re: [CentOS] LVM + XFS + external log + snapshots - SOLVED

2013-06-25 Thread Gordon Messmer
On 06/24/2013 07:49 PM, aurfalien wrote: > Freezing the fs looks to make the log zero. So assigning any > device/file for the external log would work. My mistake was not > making the log dev an LVM. However I don't if a log on an LVM would > have worked anyways. It wouldn't work. If you snapsho

Re: [CentOS] LVM + XFS + external log + snapshots - SOLVED

2013-06-24 Thread Tru Huynh
On Mon, Jun 24, 2013 at 07:49:21PM -0700, aurfalien wrote: ... > So this worked; > > truncate --size=2G logfile > losetup /dev/loop0 logfile > mount /dev/vg_anette_data/datasnapshot /snapshot -o > logdev=/dev/loop0,nouuid,ro > > Freezing the fs looks to make the log zero. So assigning any devic

Re: [CentOS] LVM + XFS + external log + snapshots - SOLVED

2013-06-24 Thread aurfalien
On Jun 21, 2013, at 2:58 PM, Joseph L. Casale wrote: >> So I have an XFS file system within LVM which has an external log. > >> A snapshot volume is created w/o issue; > >> But when i try to mount the file system; >> mount: /dev/mapper/vg_spock_data-datasnapshot already mounted or /snapshot >