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SubjectRe: Backups done right (was [ANNOUNCE] Ext3 vs Reiserfs benchmarks)
On Tue, 16 Jul 2002 wrote:

> 3a. lock mirrored volume, flush any outstanding transactions, break
> mirror.
> --or--
> 3b. snapshot filesystem to another volume.

Good summary. The problem is that 3a either requires a double morror or
leaving the f/s un mirrored, and 3b can take a very long time for a big

In general mauch of this can be addressed by only backing up small f/s and
using an application backup utility to backup the big stuff. Fortunately
the most common problem apps are databases and and they include this

bill davidsen <>
CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.

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