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

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Message-ID: <CAETWcfs0iLzwPmg-JY5B79rme+g0Zi2VMYoNHm+4_Pc_yRR-kQ@mail.gmail.com>
Date:	Tue, 25 Aug 2015 18:30:34 +0300
From:	Alexander Afonyashin <a.afonyashin@...net-team.ru>
To:	linux-ext4@...r.kernel.org
Subject: Running fsck of huge ext4 partition takes weeks

Hi,

Recently I had to run fsck on 47TB ext4 partition backed by hardware
RAID6 (LSI MegaRAID SAS 2108). Right now over 2 weeks passed but fsck
is not finished yet. It occupies 30GB RSS, almost 35GB VSS and eats
100% of single CPU. It detected errors (and fixed them) but doesn't
finish yet.

Rescue disc is based on Debian 7.8.
kernel: 4.1.4-5
e2fsprogs: 1.42.5-1.1+deb7u1

Any suggestions?

Regards,
Alexander Afonyashin
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