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

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Message-ID: <CAETWcfsK2tPf0RrAFnHfOYxHxV7X9pwMeKwqToVnnzEz+6sw0w@mail.gmail.com>
Date:	Mon, 31 Aug 2015 10:20:44 +0300
From:	Alexander Afonyashin <a.afonyashin@...net-team.ru>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	Andreas Dilger <adilger@...ger.ca>, linux-ext4@...r.kernel.org
Subject: Re: Running fsck of huge ext4 partition takes weeks

Hi,

Running fsck from e2fsprogs-1.42.13 results in SIGKILL:

Inode 4425496 is too big.  Truncate? yes

Block #524289 (103743230) causes directory to be too big.  CLEARED.
Block #524290 (3236857350) causes directory to be too big.  CLEARED.
Block #524291 (3625464338) causes directory to be too big.  CLEARED.
Block #524292 (1370882069) causes directory to be too big.  CLEARED.
Block #524293 (3868016883) causes directory to be too big.  CLEARED.
Block #524294 (3919147116) causes directory to be too big.  CLEARED.
Block #524295 (279419478) causes directory to be too big.  CLEARED.
Block #524296 (194746972) causes directory to be too big.  CLEARED.
Block #524297 (1695856868) causes directory to be too big.  CLEARED.
Block #524298 (587425254) causes directory to be too big.  CLEARED.
Block #524299 (142614537) causes directory to be too big.  CLEARED.
Too many illegal blocks in inode 4425496.
Clear inode? yes

Inode 4425357 has compression flag set on filesystem without
compression support.  Clear? yes

Warning... fsck.ext4 for device /dev/sda3 exited with signal 9.
root@...cue ~ # e2fsprogs-1.42.13/build/misc/fsck -v -y /dev/sda3

Regards,
Alexander

On Fri, Aug 28, 2015 at 8:53 PM, Theodore Ts'o <tytso@....edu> wrote:
> 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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