On Mar 11, 2009, at 6:14, Aryeh Gregor <[email protected]>  
wrote:

> On Wed, Mar 11, 2009 at 4:13 AM, River Tarnell
> <[email protected]> wrote:
>> ... however, if we had enough money to support the toolserver  
>> properly, i think
>> it would be perfectly reliable as a backup.
>
> It wouldn't protect against an accidental DELETE FROM page;, though,
> would it?  Slaves of any kind aren't great backups unless they're
> deliberately lagged by a significant interval.

Quite so. :) Replication is fantastic against outright failure, but by  
itself doesnt help agaibst daya loss within the system which gets  
replicated right alobg with it

we're working on ensuring we've got regular snapshots as well, though  
this isn't up yet. Regular snapshots plus the replication binlogs  
provide for point-in-time restoration.

-- brion

>
>
> _______________________________________________
> Wikitech-l mailing list
> [email protected]
> https://lists.wikimedia.org/mailman/listinfo/wikitech-l

_______________________________________________
Wikitech-l mailing list
[email protected]
https://lists.wikimedia.org/mailman/listinfo/wikitech-l

Reply via email to