[OpenIndiana-discuss] Backups and snapshots

[LaoTsao]

Question do you have ha on each site?
Or you just use 2nd site to protect 1st site
Thx

Sent from my iPad
Hung-Sheng Tsao ( LaoTsao) Ph.D

On Jun 13, 2011, at 4:49 AM, Jonathan Adams <t12nslookup at gmail.com> wrote:

> We've given up on tapes in house, they are far to costly per Gb, and
> we were spending all day backing up to them.
> 
> We have gone over to a fully ZFS system ... replicated at 3 sites per
> active machine.
> 
> data is generated (by users) at site 1 (on ZFS raid ... generally 2
> disks), this is then snapshot'd and sent to remote computers at other
> sites, which is restored onto external 3 way ZFS RAID (usb) ... after
> 1 year these disks are taken offline and stored in fireproof safes,
> leaving the latest snapshot on a new set of drives and purging all
> previous snapshots. (we also replicate to another machine at the same
> site as the original to guard for hardware failure, but that is kept
> as a convenience only)
> 
> It's not perfect, but since the machines are physically distinct we
> have data integrity (unlikely to lose all 3 machines at once, or all
> drives) ...
> 
> we have to keep all our data for, currently, 7 years ...  we keep it
> longer on tape, but that isn't too bad a price.
> 
> we have currently 4 sets of disks, so that's 12 disks a year per site,
> for 7 years ... we just had to make sure we got reasonable fireproof
> safes.
> 
> The upside to this is that it now so much easier to get back any files
> that one of our users "accidentally" deletes, or overwrites ...
> 
>> ----------------------------------------------------------------------------------
>> Da: Gary Driggs
>> A: Discussion list for OpenIndiana
>> Data: 11 giugno 2011 22.56.39 CEST
>> Oggetto: Re: [OpenIndiana-discuss] Backups and snapshots
>> On Jun 11, 2011, at 1:40 PM, Gabriele Bulfon
>> wrote:
>> BTW, discussion forked into NFS vs iScsi.
>> What is your backup strategies on tapes?
>> That will vary considerably depending on the size of your org, its budget, and the amount of data it amasses &must archive for business needs and/or compliance reasons.
>> 
> 
> _______________________________________________
> OpenIndiana-discuss mailing list
> OpenIndiana-discuss at openindiana.org
> http://openindiana.org/mailman/listinfo/openindiana-discuss