slight zfs problem after playing with WDIDLE3 and WDTLER

Steven Schlansker stevenschlansker at gmail.com
Tue Jan 26 05:52:17 UTC 2010


On Jan 25, 2010, at 9:49 PM, Tommi Lätti 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...
> 
> A nice feature indeed. So I would have been screwed anyway.
> 
> 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).
> 
> Any hints to offer for the procedure? Just force import the pool and
> hope the best?
> 

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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