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Rsync should stop deleting as soon as it hits an error unless you are
using --force or --ignore-errors.
Also, set these in /etc/lvm/lvm.conf:
snapshot_autoextend_threshold = 80
snapshot_autoextend_percent = 20
That will auto-extend your snapshots so they don't fill up (unless of
course you run out of space).
On 11/24/12 05:56, Gareth Babb wrote:> I've implemented a backups system and have come across a problem
> with delete-during and I/O errors.
>
> Currently I use a wrapper round rsync to create a LVM snapshot and
> rsync the snapshot, this works except that when the snapshot
> threshhold is exceeded LVM removes the snapshop, the mount fails
> and I/O errors happen.
>
> This is ok, except with delete-during I'm getting instances of
> rsync thinking the files are deleted (though it does know I/O
> errors are happening and reports them), and thus deleting them on
> the receiver side. This is not good.
>
> I've resorted to delete-after (which happily refuses to delete as
> I/O errors have taken place), but does anyone have any clues for
> fixing this with delete-during ?
>
> I'm using 3.0.8, but I can't see anything relevant in the changes
> for 3.0.9.
>
- --
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Kevin Korb Phone: (407) 252-6853
Systems Administrator Internet:
FutureQuest, Inc. Kevin at FutureQuest.net (work)
Orlando, Florida kmk at sanitarium.net (personal)
Web page: http://www.sanitarium.net/
PGP public key available on web site.
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