Sorry if this is well known.. I tried a bunch of googles, but didnt get
anywhere useful. Closest I came, was
http://mail.opensolaris.org/pipermail/zfs-discuss/2009-April/028090.html but
that doesnt answer my question, below, reguarding zfs mirror recovery.
Details of our needs follow.
We norm
On 1/18/2011 2:46 PM, Philip Brown wrote:
My specific question is, how easily does ZFS handle*temporary* SAN
disconnects, to one side of the mirror?
What if the outage is only 60 seconds?
3 minutes?
10 minutes?
an hour?
Depends on the multipath drivers and the failure mode. For example, if
On Tue, 2011-01-18 at 14:51 -0500, Torrey McMahon wrote:
>
> On 1/18/2011 2:46 PM, Philip Brown wrote:
> > My specific question is, how easily does ZFS handle*temporary* SAN
> > disconnects, to one side of the mirror?
> > What if the outage is only 60 seconds?
> > 3 minutes?
> > 10 minutes?
> >
Erik Trimble wrote:
On Tue, 2011-01-18 at 14:51 -0500, Torrey McMahon wrote:
On 1/18/2011 2:46 PM, Philip Brown wrote:
My specific question is, how easily does ZFS handle*temporary* SAN
disconnects, to one side of the mirror?
What if the outage is only 60 seconds?
3 minutes?
10 minutes?
an ho
> On Tue, 2011-01-18 at 14:51 -0500, Torrey McMahon
> wrote:
>
> ZFS's ability to handle "short-term" interruptions
> depend heavily on the
> underlying device driver.
>
> If the device driver reports the device as
> "dead/missing/etc" at any
> point, then ZFS is going to require a "zpool replace"
On Tue, 2011-01-18 at 13:34 -0800, Philip Brown wrote:
> > On Tue, 2011-01-18 at 14:51 -0500, Torrey McMahon
> > wrote:
> >
> > ZFS's ability to handle "short-term" interruptions
> > depend heavily on the
> > underlying device driver.
> >
> > If the device driver reports the device as
> > "dead/mi
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Erik Trimble
>
> As far as what the resync does: ZFS does "smart" resilvering, in that
> it compares what the "good" side of the mirror has against what the
> "bad" side has, and only copies t
