Messages in this thread |  | | Date | Mon, 10 Sep 2001 22:22:43 +0100 | From | "Stephen C. Tweedie" <> | Subject | Re: linux-2.4.10-pre5 |
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Hi,
On Sun, Sep 09, 2001 at 01:18:57PM -0700, H. Peter Anvin wrote:
> The ideal way to run backups I have found is on filesystems which > support atomic snapshots -- that way, your backup set becomes not only > safe (since it goes through the kernel etc. etc.) but totally > coherent, since it is guaranteed to be unchanging. This is a major > win for filesystems which can do atomic snapshots, and I'd highly > encourage filesystem developers to consider this feature.
It's already done. LVM's snapshot facility has the ability to ask the filesystem to quiesce itself into a consistent state before the snapshot is taken, and both Reiserfs and ext3 support that function.
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