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 <t12nsloo...@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@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
