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From: CoolCold <coolthecold@gmail.com>
To: Carl Cook <CACook@quantum-sci.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Is It Hopeless?
Date: Sun, 26 Dec 2010 23:19:49 +0300	[thread overview]
Message-ID: <AANLkTikPLt3xeuBDRe4R6nXJ32Bw5derMrkMn2GexgSM@mail.gmail.com> (raw)
In-Reply-To: <201012261219.41912.CACook@quantum-sci.com>

On Sun, Dec 26, 2010 at 11:19 PM, Carl Cook <CACook@quantum-sci.com> wrote:
>
> My God, it didn't have the command fsck.jfs, so I reinstalled jfsutils.  Now the array mounts.
>
> I don't understand it.  I thought the JFS driver is in the kernel?
Driver is, but userland tools ( fsck.jfs ) are not.
>
>
> On Sun 26 December 2010 12:11:56 Neil Brown wrote:
>> On Sun, 26 Dec 2010 10:19:55 -0800 Carl Cook <CACook@quantum-sci.com> wrote:
>>
>> > I went in to turn on my home theater system today, and found a blank screen.  I rebooted and it would not mount /home, which is a 4TB RAID10 array with every movie and show I've recorded over the past two years.  I try to mount it manually, and "wrong fs or bad superblock".  The array is getting set up fine, but the filesystem seems to be destroyed.
>> >
>> > Unbelievable.  This isn't supposed to happen.  It happened once before when I wasn't using RAID, but that was the BTRFS filesystem and I blamed it for being pre-release.  But now it's RAID10 with JFS.
>>
>> None of your logs show anything about jfs....
>>
>> What does
>>   fsck.jfs /dev/md2
>> report?
>> What about
>>   mount -t jfs /dev/md2 /home
>>
>> ??
>>
>> NeilBrown
>>
>>
>> >
>> > The only sign of trouble:
>> > Dec 25 16:14:56 cygnus shutdown[2180]: shutting down for system reboot
>> > Dec 25 16:14:58 cygnus kernel: [16607.840197] md: md2 stopped.
>> > Dec 25 16:14:58 cygnus kernel: [16607.840210] md: unbind<sdb3>
>> > Dec 25 16:14:58 cygnus kernel: [16607.852029] md: export_rdev(sdb3)
>> > Dec 25 16:14:58 cygnus kernel: [16607.852083] md: unbind<sdc3>
>> > Dec 25 16:14:58 cygnus kernel: [16607.864031] md: export_rdev(sdc3)
>> > Dec 25 16:14:58 cygnus kernel: [16607.864092] md2: detected capacity change from 1913403736064 to 0
>> > Dec 25 16:15:00 cygnus kernel: Kernel logging (proc) stopped.
>> >
>> > Reboot:
>> > Dec 25 16:15:48 cygnus kernel: [    1.156657] Uniform CD-ROM driver Revision: 3.20
>> > Dec 25 16:15:48 cygnus kernel: [    1.464298] md: raid10 personality registered for level 10
>> > Dec 25 16:15:48 cygnus kernel: [    1.469307] md: md2 stopped.
>> > Dec 25 16:15:48 cygnus kernel: [    1.470540] md: bind<sdc3>
>> > Dec 25 16:15:48 cygnus kernel: [    1.470642] md: bind<sdb3>
>> > Dec 25 16:15:48 cygnus kernel: [    1.471381] raid10: raid set md2 active with 2 out of 2 devices
>> > Dec 25 16:15:48 cygnus kernel: [    1.476048] md2: bitmap initialized from disk: read 14/14 pags, set 0 bits
>> > Dec 25 16:15:48 cygnus kernel: [    1.476050] created bitmap (223 pages) for device md2
>> > Dec 25 16:15:48 cygnus kernel: [    1.488465] md2: detected capacity change from 0 to 1913403736064
>> > Dec 25 16:15:48 cygnus kernel: [    1.488942]  md2: unknown partition table
>> > Dec 25 16:15:48 cygnus kernel: [    1.597375] PM: Starting manual resume from disk
>> > Dec 25 16:15:48 cygnus kernel: [    1.650832] kjournald starting.  Commit interval 5 seconds
>> > --
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>>
>>
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-- 
Best regards,
[COOLCOLD-RIPN]
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  reply	other threads:[~2010-12-26 20:19 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-26 18:19 Is It Hopeless? Carl Cook
2010-12-26 20:11 ` Neil Brown
2010-12-26 20:19   ` Carl Cook
2010-12-26 20:19     ` CoolCold [this message]
2010-12-26 20:33     ` Neil Brown
2010-12-26 21:14       ` Berkey B Walker
2010-12-27  0:06       ` Carl Cook
2010-12-27  4:45         ` Stan Hoeppner
2010-12-27  5:35         ` Phil Turmel
2010-12-27 13:10           ` Carl Cook
2010-12-27 15:04             ` Phil Turmel
2010-12-27 21:34               ` Brad Campbell
2010-12-27 16:37             ` Stan Hoeppner
2010-12-28  1:36               ` Berkey B Walker
2010-12-28  4:16               ` Carl Cook
2010-12-29  3:04                 ` Stan Hoeppner
2010-12-29  5:34                   ` Roman Mamedov
2011-01-04 20:03               ` Phillip Susi
2011-01-05 21:19                 ` Leslie Rhorer
2011-01-05 14:45               ` Hank Barta
2011-01-05 23:07               ` Leslie Rhorer
2011-01-06 23:02                 ` Berkey B Walker

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