From: Stan Hoeppner <stan@hardwarefreak.com>
To: linux-raid@vger.kernel.org
Subject: Re: Rocketraid 640 raid 5 disabled
Date: Wed, 27 Feb 2013 00:39:14 -0600 [thread overview]
Message-ID: <512DAA12.3000700@hardwarefreak.com> (raw)
In-Reply-To: <CAHijsZvKW0A5CWj01X7wp3fDfh9S0RtORnaVZYyE8McsLJLSAQ@mail.gmail.com>
On 2/26/2013 9:11 PM, Khurram Hassan wrote:
> I have a disabled raid 5 (3 disks) array on a Rocketraid 640. The full
> sequence of events follows. After the array was shown as degraded, I
> checked the webgui (under windows 7) which showed hard disk 3 was bad,
> so changed this hard disk and the rebuild started. After a few hours,
> I got a loud continuous beep from the system. Upon checking it, I
> found that hard disk 1 had bad sectors and was offline. At this time,
> the rebuild showed 85.1% complete. I clicked rescan and it came back
> on online. At this time, I started copying data from the raid disk to
> another hard disk which was not on the raid controller. The raid disk
> had three volumes and I successfully copied the first volume data. It
> was during data copy from the 2nd volume that hard disk 1 gave bad
> sector message again and went offline. I clicked rescan, it came
> online but then hard disk 2 and hard disk 3 went offline and the array
> became disabled. The 3 disks are still recognized by the controller,
> but the array shows only the 1st hard disk as part of the array.
>
> Can I use mdadm to recover this array or at least to get the 2nd hard
> disk as online so that I can copy data from it? I dont boot off the
> array; I have another hard disk for that purpose. I have installed
> ubuntu 12.04 on this boot hard disk and have loaded the driver for the
> controller in it. I dont see anyhard disk devices under /dev for it. I
> only have /dev/sdax which is for my boot hard disk.
Is this RAID5 array created/controlled by the RocketRAID firmware or
Linux md/RAID (mdadm). It sounds like the RocketRAID. In which case,
why would you think mdadm could fix a hardware RAID card problem?
--
Stan
next prev parent reply other threads:[~2013-02-27 6:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-27 3:11 Rocketraid 640 raid 5 disabled Khurram Hassan
2013-02-27 6:39 ` Stan Hoeppner [this message]
2013-02-27 15:55 ` Khurram Hassan
2013-02-28 3:28 ` Drew
2013-02-28 3:52 ` Drew
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