[Babase] Papio Information
Susan Alberts
alberts at duke.edu
Fri Jun 12 07:05:49 EDT 2009
On Jun 11, 2009, at 11:28 AM, Ryan Hardy wrote:
> On Jun 10, 2009, at 6:14 PM, Karl O. Pinc wrote:
>
>> The one important take-away point that differs from the previously
>> explained backup plan is that backups are put into the backup system
>> only every other day. We do keep the prior days backup, for 1 day
>> only, on disk on papio until it's overwritten by the next days
>> backup.
>> So, in case of disaster we could lose 2 days of work.
>
> As it stands, the backups fire off at about 1:00am daily. However,
> that's not really guaranteed. From my brief perusal of the logs, it
> looks like papio generally completes around 2:30am or so. The local
> backup on papio is done through cron.daily, so it should be done
> sometime around 4am.
>
> We could easily change the local backup to occur later in the day
> (say, 11pm) so that it would complete before the tape backups fire
> off. That would minimize any potential data loss. Or the script
> could keep multiple copies of the local backup. The former seems a
> bit less work intensive, but neither would be particularly
> challenging. As you said, the data storage is really not too much
> of an issue, since the local backups are compressed.
>
Thanks for these suggestions Ryan. Either of these sounds fine to me,
but I would go with whatever Karl recommends.
Susan
--------------------------------------------------------
Susan Alberts, Dept of Biology, Duke University, Box 90338, Durham NC
27708, 919-660-7272 (Ph), 919-660-7293 (Fax)
More information about the Babase
mailing list