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Date:      Wed, 08 Oct 2014 23:49:09 -0400
From:      Daniel Staal <DStaal@usa.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: Next Steps to Debug ZFS Hang?
Message-ID:  <DAA5D9129F9D691C69C7A2EF@[192.168.1.50]>
In-Reply-To: <1412732931033.813626ca@Nodemailer>
References:  <1412732931033.813626ca@Nodemailer>

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--As of October 7, 2014 6:48:51 PM -0700, Nick Sivo is alleged to have said:

> I've been having trouble with ZFS on my server. For the most part it
> works splendidly, but occasionally I'll experience permanent hangs.
>
>
> For example, right now on one of my ZFS filesystems (the others are
> fine), I can read, write, and stat files, but if I run ls in any
> directory, ls and the terminal will hang. CTRL-C, and kill -9 can't kill
> it:

--As for the rest, it is mine.

Not sure if this will be helpful, but at least it shouldn't hurt:  When was 
the last time you ran a scrub?  Also, how much RAM do you have and where is 
your swap?  (The only times I've had permanent hangs from ZFS was when I 
ran out of RAM and was trying to swap to ZFS...)

Daniel T. Staal

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