On Nov 23, 2009, at 8:24 PM, Trevor Pretty wrote:
I'm persuading a customer that when he goes to S10 he should use ZFS
for everything. We only have one M3000 and a J4200 connected to it.
We are not talking about a massive site here with a SAN etc. The
M3000 is their "mainframe". His RTO and RPO are both about 12 hours,
his business gets difficult without the server but does not die
horribly.
He currently uses ufsdump to tape each night which is sent off site.
However "ufsrestore -i" has saved is bacon in the past and does not
want to loose this "functionality".
A couple of questions.
flar seems to work with ZFS quite well and will backup the whole
root pool flar(1M)
flar is mostly a wrapper for cpio, integrated with the installer
This seems to be the best way to get the equivalent of ufsrestore -r
and a great way to recover in a DR event:- http://www.sun.com/bigadmin/content/submitted/flash_archive.jsp
My Questions...
Q: Is there the equivalent of ufsretore -i with flar? (which seems
to be an ugly shell script around cpio or pax)
no
Q: Therefore should I have a tar of the root pool as well?
ok
Q: There is no reason I cannot use flar on the other non root pools?
no
Q: Or is tar better for the non root pools?
ok
We will have LOTS of disk space, his whole working dataset will
easily fit onto an LTO4, so can anybody think of good a reason why
you would not flar the root pool into another pool and then just tar
off this pool each night to tape? In fact we will have so much disk
space (compared to now) I expect we will will be able to keep most
backups on-line for quite some time.
Try amanda. It understands ZFS.
http://www.amanda.org/
-- richard
Discuss :-)
--
Trevor Pretty | Technical Account Manager | T: +64 9 639 0652 | M:
+64 21 666 161
Eagle Technology Group Ltd.
Gate D, Alexandra Park, Greenlane West, Epsom
Private Bag 93211, Parnell, Auckland
www.eagle.co.nz
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