i do send the tapes offline. The idea of sending onto another system seems an excellent idea but i would still need to send them to tape. if i tar or dump the replicated filesystems this will chew up a lot of space since my filesystems are almost 900GB in total
On Tue, Sep 13, 2011 at 11:07 AM, Ian Collins <i...@ianshome.com> wrote: > On 09/13/11 09:00 PM, Peter Tribble wrote: > >> On Tue, Sep 13, 2011 at 9:48 AM, cephas maposah<mapo...@gmail.com> >> wrote: >> >>> hello team >>> i have an issue with my ZFS system, i have 5 file systems and i need to >>> take >>> a daily backup of these onto tape. how best do you think i should do >>> these? >>> the smallest filesystem is about 50GB >>> here is what i have been doing i take snapshots of the 5 file systems, i >>> zfs >>> send these into a directory gzip the the files and then tar them onto >>> tape. >>> this takes a considerable amount of time. >>> my question is there a faster and better way of doing this? >>> >> So you zfs send to a file and save the file to tape? >> >> Personally, I use zfs send and zfs receive to replicate the data to >> a second system, and then simply tar the replicated file system >> to tape. That way I'm not dependent on zfs to get the data back >> (and can get individual files/directories back if necessary, which >> it often is). And you have the ability to slot that copy of the data >> instantly into service if the primary copy fails. >> >> I'd also add that unless you are sending tapes off-site, having a > snapshots on a seconds system can save you a lot of incremental backups. > > -- > Ian. > >
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