Are there any plans for a type of "snapshot" support, which could be use to make point in time consistent backups, similar to what lvm would allow you to do for a local volume? I'm really looking for a good way to back up my ocfs2 volume, but so far, all we've been able to use is rsync and custom scripts. Are there any other options? -- Michael S. Moody Sr. Systems Engineer Global Systems Consulting Direct: (650) 265-4154 Web: http://www.GlobalSystemsConsulting.com Engineering Support: support@gsc.cc Billing Support: billing@gsc.cc Customer Support Portal: http://my.gsc.cc NOTICE - This message contains privileged and confidential information intended only for the use of the addressee named above. If you are not the intended recipient of this message, you are hereby notified that you must not disseminate, copy or take any action in reliance on it. If you have received this message in error, please immediately notify Global Systems Consulting, its subsidiaries or associates. Any views expressed in this message are those of the individual sender, except where the sender specifically states them to be the view of Global Systems Consulting, its subsidiaries and associates.
ocfs2 is not a copy-on-write fs and thus makes it hard to provide snapshot at the fs level. However, we will look into providing this via devmapper/lvm. Nothing near term though. Currently, one could use the facility provided by backends. Like with emc or netapp. As far as I remember, emc supports this. Unsure about netapp as they had wanted us to provide freeze/thaw capability. We are currently awaiting feedback from them. http://oss.oracle.com/bugzilla/show_bug.cgi?id=722 Not related to ocfs2, but we have another ongoing fs project, "btrfs", that has the snapshot capability built into the fs. http://oss.oracle.com/projects/btrfs/ Michael Moody wrote:> Are there any plans for a type of "snapshot" support, which could be > use to make point in time consistent backups, similar to what lvm > would allow you to do for a local volume? I'm really looking for a > good way to back up my ocfs2 volume, but so far, all we've been able > to use is rsync and custom scripts. > > Are there any other options? >
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