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Date:      Mon, 25 Jan 2010 21:51:22 -0800
From:      Steven Schlansker <stevenschlansker@gmail.com>
To:        =?iso-8859-1?Q?Tommi_L=E4tti?= <sty@iki.fi>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: slight zfs problem after playing with WDIDLE3 and WDTLER
Message-ID:  <A53B5E42-D862-4BF8-A059-0901F0FA37AB@gmail.com>
In-Reply-To: <f43ef3191001252149l39d68ac1gab575cf91b68850e@mail.gmail.com>
References:  <f43ef3191001251043n3a2d2780jfb2aa24be5f5371d@mail.gmail.com> <3F785019-DB0E-4385-97EB-7CE69A11647A@gmail.com> <f43ef3191001252007j4fb54a96l843f4515ad87bedd@mail.gmail.com> <02786740-7076-4C92-89EE-E1EFC2120E33@gmail.com> <f43ef3191001252149l39d68ac1gab575cf91b68850e@mail.gmail.com>

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On Jan 25, 2010, at 9:49 PM, Tommi L=E4tti wrote:

>> I poked through the code - the problem is that ZFS identifies the =
drive
>> as valid (due to correct metadata+checksums) and then tries to =
assemble the
>> array.  At some point it checks the size, realizes that the drive is =
smaller,
>> and rejects the entire array.  It isn't smart enough (yet?) to =
realize that
>> only rejecting the one drive would allow it to be only degraded...
>=20
> A nice feature indeed. So I would have been screwed anyway.
>=20
> Currently installing opensol on a spare hard-drive for the evening's
> recovery attempts. I wonder if the newest opensol dev version is the
> way to go (has way newer zfs version, maybe more... options).
>=20
> Any hints to offer for the procedure? Just force import the pool and
> hope the best?
>=20

I used a usb stick from genunix.org, although to install the damn thing =
to a USB
drive I had to get a solaris VM running to use the usbcopy tool.  It was =
a
fairly recent dev build, but I'd guess the last release might do okay =
too...

Other than that, it all worked as expected.  No particular hangups.
Just the usual fifteen minutes of shock at what a wasteland
the Solaris userland is... (so many PATH entries!  so confusing!)




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