Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 5 Sep 2005 20:39:30 +0000 (GMT)
From:      Michael Abbott <michael@araneidae.co.uk>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: Hard disk woes
Message-ID:  <20050905202954.Q18151@saturn.araneidae.co.uk>
In-Reply-To: <CDE59A17-D3DF-4788-81DC-A0403DDCDD08@HiWAAY.net>
References:  <20050905151332.P16924@saturn.araneidae.co.uk> <20050905171912.GF67960@sentinelchicken.net> <20050905172827.U17621@saturn.araneidae.co.uk> <CDE59A17-D3DF-4788-81DC-A0403DDCDD08@HiWAAY.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 5 Sep 2005, David Kelly wrote:
>>> I had a very similar problem a while back. After replacing the drive in 
>>> question, then replacing the motherboard, I discovered it was a power 
>>> issue. The power supply was freaking out at medium to high loads, which 
>>> was causing the device to continually reset.
>> 
> On Sep 5, 2005, at 1:56 PM, Michael Abbott wrote:
>> Well, I hope that's not it.  I'm encouraged to think not:
> Yeah But... Power supplies wear out. Particularly the capacitors.
>
> I have seen every single component replaced in denial that the problem could 
> be related to the power supply. Then the PS was finally replaced because it 
> was the only thing which had not. And the problem was the PS all along.

Well, I do have another reason for thinking that it's nothing to do with 
the power supply: a bit of history I didn't mention (because it's long 
and not particularly interesting).

When I first installed this machine (a bit over three years ago) I used 
the offending disk together with another disk of the same model.  I first 
used the motherboard hardware RAID (using striping for speed, more fool 
me) on the motherboard and installed FreeBSD.  It broke, really quite 
quickly (within a week or so).

I blamed the RAID controller and tried again, this time using vinum.  The 
system survived quite a bit longer (can't remember how long, a month or so 
maybe), but suddenly failed quite horribly: I lost all data.  I retired 
the two disks and started again, and the resulting system has run sweetly 
for three years.

Recently I brought the two disks out of retirement, and one of them seems 
most unhappy (as described).  I'm strongly persuaded (convinced, even) 
that that one disk is dodgy.  I think I'm going to have to bin it, unless 
somebody can come up with a way to reliably molycoddle it.

I still think the question: "why does FreeBSD hang?" is interesting.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050905202954.Q18151>