[linux-lvm] advice for curing terrible snapshot performance?

Stuart D. Gathman stuart at bmsi.com
Mon Nov 15 22:57:18 UTC 2010

On Mon, 15 Nov 2010, Stephane Chazelas wrote:

> ddsnap (zumastor) worked great but is no longer maintained.
> - LVM snapshots: poor performace or very few snapshots
> - ddsnap: got to stick with an old kernel

zumastor doesn't depend on kernel versions - it uses device-mapper just
like regular snapshots.  (Or does it have a special device-mapper
kernel module?)

> - btrfs, not really production ready yet. Probably your best bet
> though.

This is good too, but at a different level.  We still need LV snapshot.

> - fuse solutions, with all the fuse related issues.

	      Stuart D. Gathman <stuart at bmsi.com>
    Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.

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