Can't wait until 2.0 and SNS. I think thats the only die-hard feature
Lustre is really missing.


On Tue, Jul 21, 2009 at 10:19 AM, <[email protected]> wrote:
> Michael,
>
> ----- "Michael Di Domenico" <[email protected]> wrote:
>> > We are currently using e2scan and distributed rsyncs across the
>> compute farm to do the same thing with Lustre v1.6/1.8 to mirror our
>> main filesystem to a backup every night.
>>
>> Is this a script you'd be willing to share?
>
> Sure, but it is fairly specific to our setup and (to be honest) is pretty 
> hacktastic! The basic idea is that an e2scan is run on the production 
> filesystem every night and new files (last 72 hours) are copied over 
> (incremental). Then once a week we include "deletes" which then compares the 
> e2scan file list from both the production and backup filesystems to work out 
> what needs to be deleted from the backup to synchronise the two filesystems. 
> We never really ever have to do a "full" backup. We also use LVM snapshots on 
> the backup to give us a couple of weeks of retention.
>
> It works for us but your mileage may vary.
>
> Daire
>
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