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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