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From: Anand Jain <Anand.Jain@oracle.com>
To: Duncan <1i5t5.duncan@cox.net>, linux-btrfs@vger.kernel.org
Subject: Re: Monitoring for disk failures
Date: Tue, 28 Jan 2014 17:15:29 +0800	[thread overview]
Message-ID: <52E77531.9060600@oracle.com> (raw)
In-Reply-To: <pan$2540$a024a2e$1649dd5d$60e61fd@cox.net>



> Without actually trying it here... I believe by default that'd update
> only when there was an I/O error.
>
> Did you try btrfs filesystem show --all-devices?  That scans differently.

  That will show missing with its own probes but kernel does not
  know that disk is missing.

> If that doesn't work try btrfs device scan first as that updates the in-
> kernel list, then filesystem show.

  Nope. Scan does not remove the old (missing disk) entries,
  I am writing patch(es)..

> Alternatively, monitor the kernel log
> for output as the scanned devices show up there.

  Thats the best choice as of now OR btrfs fi show -d will
  show missing

Thanks, Anand

  reply	other threads:[~2014-01-28  9:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-27 11:43 Monitoring for disk failures Alin Dobre
2014-01-27 13:10 ` Duncan
2014-01-28  9:15   ` Anand Jain [this message]
2014-01-28  9:03 ` Anand Jain

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