[OmniOS-discuss] multithreaded gzip (or equivalent) and moving some files while preserving file trees

[Chris Nehren]

On Sun, Aug 18, 2013 at 00:01:30 +0100, Valrhona wrote:
> This is somewhat tedious and takes a while, but fortunately it's just
> a few commands and I can let it run in the background. But I don't see
> any better backup solution, because ZFS internally checksums, and I do
> a manual backup and restore, and checksum before and after. I think
> this is more intense in terms of verification than most of the other
> solutions I know.
> 
> It is also a bit more future-proof, since it relies only on ZFS, tar,
> and md5sum, all of which are on live-CDs and standard illumos (without
> any libraries). So with a tape, tape drive, enough space on a hard
> disk subsystem, I can restore my filesystems without any additional
> software (don't even need network connectivity), and have end-to-end
> checksummng.
> 
> But maybe there are things I could be doing better?

You might want to take a look at zetaback
(https://labs.omniti.com/labs/zetaback) which we've been using for a
while for backups. 

-- 
Chris Nehren
Site Reliability Engineer, OmniTI