linux-kernel - Re: Problem recovering a failed RIAD5 array with 4-drives.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <18070.44975.347933.29688@notabene.brown>
Date:	Fri, 13 Jul 2007 08:48:15 +1000
From:	Neil Brown <neilb@...e.de>
To:	LinuxKernel@...esplace.net
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Problem recovering a failed RIAD5 array with 4-drives.

On Thursday July 12, LinuxKernel@...esplace.net wrote:
> 
> []# 
> mdadm --create --verbose /dev/md0 --assume-clean --level=raid5 --raid-devices=4 --spare-devices=0  /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1
> 
snip
> 
>     Number   Major   Minor   RaidDevice State
>        0       8       17        0      active sync   /dev/sdb1
>        1       8       33        1      active sync   /dev/sdc1
>        2       8        1        2      active sync   /dev/sda1
>        3       8       49        3      active sync   /dev/sdd1

Something looks very wrong here.  You listed the devices to --create
in one order:
   a b c d
but that appear in the array in a different order
   b c a d

Did you cut/paste the command line into the mail, or did you retype
it?  If you retyped it, could you have got it wrong?

You need the order that --detail shows to match the order of the
original array....

NeilBrown
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/