Re: Can a hard drive fix itself

[Jeff Crosby <jlcrosby@xxxxxxxxxxxxxxxx>]

During save portion of backup.  Prior to verify stage.


On Mon, Mar 10, 2014 at 3:36 PM, Chris Bipes <chris.bipes@xxxxxxxxxxxxxxx>wrote:

> Heal itself, NO.  But a timeout is not necessarily a failure.  Did this
> happen during some sort of heavy IO like a backup?  After the timeout, the
> RAID controller may have initiated a rebuild and now the data is rebuilt
> and the drive is OK.  I would replace it just to be safe.  If it erred
> once, it will do so again, and at the worst time, after another drive fails.
>
> --
> Chris Bipes
> Director of Information Services
> CrossCheck, Inc.
>
>
> -----Original Message-----
> From: pctech-bounces@xxxxxxxxxxxx [mailto:pctech-bounces@xxxxxxxxxxxx] On
> Behalf Of Jeff Crosby
> Sent: Monday, March 10, 2014 12:32 PM
> To: PC Technical Discussion for iSeries Users
> Subject: [PCTECH] Can a hard drive fix itself
>
> Cybernetics SAN, 8 500gb drives, RAID 5 w/hot spare.  Drives are S.M.A.R.T.
>  Hosting 5 virtual servers.
>
> At 3:20 this morning I got a text of a drive issue:  "ERROR - Drive timeout
> detected: port=5"
>
> Talked to the hardware guy at that time.  He checked in and said the RAID 5
> was still functioning and the hot spare was still available.  Suggested we
> wait till business hours since there was a hot spare.
>
> Around 9am we decided we would do the replacement around 4:30pm since
> things would be a lot less busy for the RAID 5 rebuild.  The RAID 5 was
> still functioning and if one didn't drill down in all the way, you wouldn't
> even see the status DEVICE ERROR on that drive.
>
> I checked it out about an hour ago and the DEVICE ERROR is gone, replaced
> by OK which is what it should say.  Hardware guy says he has seen this
> before simply by reseating the "problem" drive.
>
> But we did no such thing.  Haven't touched it at all.  Hardware guy
> suggests waiting a day and see what happens.
>
> Anybody seen this before?  A drive heals itself?
>
> --
> This is the PC Technical Discussion for IBM i (AS/400 and iSeries) Users
> (PcTech) mailing list
> To post a message email: PcTech@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/pctech
> or email: PcTech-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/pctech.