Fw: RAID6 data-check took almost 2 hours, clicking sounds, systemunresponsive

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@Gavin
Please learn to use your mail client properly, don't drop all CC: when
replying!!


Begin forwarded message:

Date: Wed, 13 Apr 2011 21:39:04 -0700 (PDT)
From: Gavin Flower
To: Roman Mamedov
Subject: Re: RAID6 data-check took almost 2 hours, clicking sounds, system
unresponsive



--- On Thu, 14/4/11, Roman Mamedov wrote:

> From: Roman Mamedov
> Subject: Re: RAID6 data-check took almost 2 hours, clicking sounds, system
> unresponsive To: "Gavin Flower"
> Cc: "Mathias Burén" , neilb@suse.de,
> linux-raid@vger.kernel.org Date: Thursday, 14 April, 2011, 16:08
> On Wed, 13 Apr 2011 17:15:42 -0700
> (PDT)
> Gavin Flower
> wrote:
>=20
> > Note that smart reports no bad blocks.
>=20
> It reports 24 bad blocks:
>=20
> 183 Runtime_Bad_Block   
>    0x0032   076  =C2 =A0076 =
  000 
>   Old_age   Always
> -       24

Hmm... I am so used to just looking at item #5 (which I had thought, was the
bad block count!):

5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always
- 0

>=20
> Try running a long SMART self test on the drive (smartctl
> -t long /dev/sdX).

Running now.

>=20
> Also for a bit of common sense - why not just try the disk
> on another PC. If it
> produces clicking sounds and "frozen" errors when running
> "badblocks" even
> there, then what else do you expect it to do, jump out of
> the PC and say "i'm
> broken please replace me"? :)

I thought that modern hardware was so smart that the first I should know of
it, is when the cost of the placement disk appeared on my credit card!!!

More seriously... with my eyesight (at about 400 mm from the screen, text
appears a little fuzzy, and that is on a good day), I don't trust myself
changing hardware like that. I have friends that can do the hardware part,
but I try to do as much investigation myself before I ask them for help.

>=20
> --=20
> With respect,
> Roman
>=20

Hi Mathias,

Comments above.

I was not expecting help from this list on this matter, but it is appreciat=
ed.

The disk used for /dev/sdc was only replaced very recently, and I have a
strong suspicion it is a cable and/or connector problem. I do have one spa=
re
hard disk I can use, but I had it earmarked to replace the one which is very
near its limit on reallocated sectors.


Thanks,
Gavin



--=20
With respect,
Roman

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Re: Fw: RAID6 data-check took almost 2 hours, clicking sounds, system unresponsive

--- On Thu, 14/4/11, Roman Mamedov wrote:

> From: Roman Mamedov
> Subject: Fw: RAID6 data-check took almost 2 hours, clicking sounds, s=
ystem unresponsive
> To: "Gavin Flower"
> Cc: "Mathias Bur=E9n" , neilb@suse.de, linux=
-raid@vger.kernel.org
> Date: Thursday, 14 April, 2011, 17:15
> @Gavin
> Please learn to use your mail client properly, don't drop
> all CC: when
> replying!!
[...]

Hi Roman,

Sorry, I thought I had selected the option to include all the CC addres=
s!

Thanks for forwarding anyhow.


Cheers,
Gavin
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