Running b133
When you see this line in a `zpool status' report:
status: The pool is formatted using an older on-disk format. The
pool can still be used, but some features are unavailable.
Is it safe and effective to heed the advice given in next line:
action: Upgrade the pool using 'zpool upgrade'. Once this is done,
the pool will no longer be accessible on older software
versions.
I don't recall now what all I might have done when the disks were
installed. I do remember that they were new WD 750GB sata drives and
were set up as a mirror, maybe 6 to 9 mnths ago..
I was then, and still am bumbling around with only rudimentary
knowledge of what I'm doing or what needs doing.
(There has been some knowledge improvement in those 6-9 mnts [I hope])
I don't think I really did any formatting at all.
This host is a home NAS and general zfs server. It does not see
industrial strength use. The hardware is older athlon64 (+3400)
with 3 GB ram.
What I'd like to learn from posting this, is if I should follow the
advice or am I likely to cause a pile of new problems. Far as I know
this hasn't caused problems so far. Although there was a problem with
data corruption in 2 files....on this pool.
In fact I just finished cleaning up two cases of data corruption in 2
files. (now deleted, followed by a new scrub)
------- --------- ---=--- --------- --------
Full status output:
pool: z3
state: ONLINE
status: The pool is formatted using an older on-disk format. The pool can
still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'. Once this is done, the
pool will no longer be accessible on older software versions.
scrub: scrub completed after 0h49m with 0 errors on Wed Mar 10 12:55:48 2010
config:
NAME STATE READ WRITE CKSUM
z3 ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
c5d0 ONLINE 0 0 0 512K repaired
c6d0 ONLINE 0 0 0 640K repaired
errors: No known data errors
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