linux-ext4 - Re: Running fsck of huge ext4 partition takes weeks

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Message-ID: <20150828175325.GB10211@thunk.org>
Date:	Fri, 28 Aug 2015 13:53:25 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Alexander Afonyashin <a.afonyashin@...net-team.ru>
Cc:	Andreas Dilger <adilger@...ger.ca>, linux-ext4@...r.kernel.org
Subject: Re: Running fsck of huge ext4 partition takes weeks

If dumpe2fs is hanging as well, it's likely that the problem may be at
the hardware level.  You might want to check dmesg or the kernel log
to see if there are any I/O errors being reported from hard drive.
What might be happening is that when a program (such as e2fsck or
dumpe2fs) tries to read from a specific part of the hard drive, the
hard drive is retrying a large number of times because the hard drive
head or platter surface has gotten damaged in some way.

It might also be a good idea to check the S.M.A.R.T. status using the
smartctl program.

Cheers,

						- Ted
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