[lug] Fwd: A message from nellie at drivewesaid (DwS)

[Matt James]

My experience with isw has been the same.  Things do not happen
automatically and getting them to happen can be a real pain.  Honestly, I'd
quit while you're ahead. Do a backup, buy a "real" RAID controller, and
start from a known good config.  I've recently had good experience with
Adaptec 71605e.  Relitivly inexpensive card with decent specs for sw raid
replacement.

My $0.02

Matt James
On Jan 18, 2015 5:14 PM, "Zan Lynx" <zlynx at acm.org> wrote:

>
> On 1/18/2015 10:17 AM, Bear Giles wrote:
>
>  Does anyone have any ideas? Some of my systems have software RAID 1 but
> I've never used RAID 5 or not heard of it failing to rebuild after the
> failure of a single drive.
>
>
> From: <team at drivewesaid.com>
>
> isw raid 5 array not available after rebuild
> I had been using a raid 5 array (three disks), mounted at /home/ and
> suffered a single drive failure, resulting in a degraded array. I've
> replaced the drive and selected the option in my BIOS to use the new drive
> as part of the RAID array. BIOS informed me that the array would be rebuilt
> in the OS.
>
>
> He did a reinstall...did that include a format? Because if he did a
> format, it is likely all gone. Traces of old files could be recovered by
> forensics tools.
>
> From what I gather online, Intel software RAID in Linux needs to be
> rebuilt by command line. It won't automatically rebuild as it does in
> Windows. Unless the distros have been adding rebuild scripts to boot since
> 2011.
>
> I can't seem to find the right commands to run for a RAID-5 rebuild in
> Linux. They must be out there somewhere.
>
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