Gary Gatten wrote:
> Naw, I don't recall the POST error exactly, but from what I remember it
> couldn't find a boot device. Could've been the controller, but from
> what I recall I swapped the drive (later) and all was good. I really
> don't recall though - I could've put the "bad" drive in a goo
George Davidovich wrote:
On Wed, Aug 26, 2009 at 04:45:40PM -0400, Jerry McAllister wrote:
On Wed, Aug 26, 2009 at 10:23:47PM +0200, Roland Smith wrote:
On Wed, Aug 26, 2009 at 12:13:48PM -0700, George Davidovich wrote: I
remember this special non-condictive 3M fluid that can be used t
On Thu, Aug 27, 2009 at 01:03:58AM +0200, Polytropon wrote:
> On Wed, 26 Aug 2009 20:07:41 +0200, Roland Smith wrote:
> > If the drive is that bad, it is doubtfull if dd or ddrescue will be able to
> > get a good copy.
>
> There's an additional problem: Let's assume dd creates an 1:1 copy
> of th
!
-Original Message-
From: owner-freebsd-questi...@freebsd.org
[mailto:owner-freebsd-questi...@freebsd.org] On Behalf Of Polytropon
Sent: Wednesday, August 26, 2009 4:13 PM
To: George Davidovich
Cc: freebsd-questions@freebsd.org
Subject: Re: hard disk failure - now what?
On Wed, 26 Aug 2009 12
On Wed, 26 Aug 2009 20:07:41 +0200, Roland Smith wrote:
> If the drive is that bad, it is doubtfull if dd or ddrescue will be able to
> get a good copy.
There's an additional problem: Let's assume dd creates an 1:1 copy
of the file system in its actual state - nobody guarantees that
this file sys
reebsd-questions@freebsd.org
Subject: Re: hard disk failure - now what?
On Wed, 26 Aug 2009 16:30:59 -0500, "Gary Gatten"
wrote:
> I had a laptop years ago that started to die, but seemed to work OK
when
> first removed from a cold car. After an hour or so it would die. I
>
On Wed, 26 Aug 2009 16:30:59 -0500, "Gary Gatten" wrote:
> I had a laptop years ago that started to die, but seemed to work OK when
> first removed from a cold car. After an hour or so it would die. I
> eventually put it in the freezer long enough to get what I needed off
> the drive, so in some
On Wed, Aug 26, 2009 at 02:14:51PM -0700, George Davidovich wrote:
> >
> > A number of supercomputers from Cray and Control Data and maybe some
> > other places used this sort of thing on some experimental systems. I
> > don't know if any ever were put in to commercial production. They
> > subm
-
From: owner-freebsd-questi...@freebsd.org
[mailto:owner-freebsd-questi...@freebsd.org] On Behalf Of Polytropon
Sent: Wednesday, August 26, 2009 4:13 PM
To: George Davidovich
Cc: freebsd-questions@freebsd.org
Subject: Re: hard disk failure - now what?
On Wed, 26 Aug 2009 12:13:48 -0700, George
On Aug 26, 2009, at 14:14:51, George Davidovich wrote:
I believe you. I saw a similar scene in a movie, so I already knew it
had to be true. Bonus points for anyone that can add to this thread's
collection of off-topic but semi-interesting trivia and name the
movie.
What is "The Abyss" for
On Wed, Aug 26, 2009 at 04:45:40PM -0400, Jerry McAllister wrote:
> On Wed, Aug 26, 2009 at 10:23:47PM +0200, Roland Smith wrote:
>
> > On Wed, Aug 26, 2009 at 12:13:48PM -0700, George Davidovich wrote: I
> > remember this special non-condictive 3M fluid that can be used to
> > cool electronics. A
On Wed, 26 Aug 2009 12:13:48 -0700, George Davidovich
wrote:
> Probably true. I hesitate to suggest this, but sticking the drive in a
> freezer (preferrably in a ziplock bag) for a few hours or overnight
> might help. Stories from people claiming "I swear it works!" go back
> years.
I heared
On Wed, Aug 26, 2009 at 10:23:47PM +0200, Roland Smith wrote:
> On Wed, Aug 26, 2009 at 12:13:48PM -0700, George Davidovich wrote:
>
> > > If the drive is that bad, it is doubtfull if dd or ddrescue will be
> > > able to get a good copy.
> >
> > Probably true. I hesitate to suggest this, but st
On Wed, Aug 26, 2009 at 12:13:48PM -0700, George Davidovich wrote:
> > If the drive is that bad, it is doubtfull if dd or ddrescue will be
> > able to get a good copy.
>
> Probably true. I hesitate to suggest this, but sticking the drive in a
> freezer (preferrably in a ziplock bag) for a few ho
On Wed, Aug 26, 2009 at 08:07:41PM +0200, Roland Smith wrote:
> On Tue, Aug 25, 2009 at 11:46:50PM -0600, Kelly Martin wrote:
> > plugging the drive in and accessing it, I heard those tell-tale
> > signs of hard drive failure: clicks and pops and other unusual
> > noises, so I know that it has some
On Tue, Aug 25, 2009 at 11:46:50PM -0600, Kelly Martin wrote:
> plugging the drive in and accessing it, I heard those tell-tale signs
> of hard drive failure: clicks and pops and other unusual noises, so I
> know that it has some damage. I hate those sounds, having heard them
> on failing drives to
On Wed, 26 Aug 2009 18:10:38 +0200
cpghost wrote:
> On Mon, Aug 24, 2009 at 02:51:41PM -0600, Tim Judd wrote:
> > >> Buy spinrite, no matter what.
> >
> > It's OS/FS independent. it works on the bits stored on the magnetic
> > platters, NOT on a filesystem. TiVo, Linux, BSD and Mac OSX drives
On Mon, Aug 24, 2009 at 02:51:41PM -0600, Tim Judd wrote:
> >> Buy spinrite, no matter what.
>
> It's OS/FS independent. it works on the bits stored on the magnetic
> platters, NOT on a filesystem. TiVo, Linux, BSD and Mac OSX drives
> are treated the same. Bits on a magnetic platter. It's rec
First, thanks to everyone for the really great replies. Many
suggestions were quite helpful and have kept me on track. I'll quote a
couple of people and then add some comments below.
On Mon, Aug 24, 2009 at 4:32 PM, Roland Smith wrote:
> It _could_ just be a bad or improperly connected SATA cable.
On Tue, 25 Aug 2009 11:04:38 -0400, Jerry McAllister wrote:
> dd will barf on bad bits too.
> You can tinker to make it skip over the bad block, but it
> won't read it.
As it has been suggested, there are interesting tools in the
ports collection. I'll post my "famous list" again. Among them,
per...@pluto.rain.com writes:
> Lowell Gilbert wrote:
>> Kelly Martin writes:
>> > I just experienced a hard drive failure on one of my
>> > FreeBSD 7.2 production servers with no backup!
> ...
>> First, try copying the entire disk, *without* mounting it.
>
> Yep.
>
>> Use dd(1) to get a copy of
On Mon, Aug 24, 2009 at 10:26:11PM +0200, Polytropon wrote:
> On Mon, 24 Aug 2009 12:29:19 -0600, Kelly Martin
> wrote:
> > My question: what kind of checks and/or repair tools should I run on
> > the damaged drive after it's mounted? Or should I mount it as
> > read-only and start backing it up
Lowell Gilbert wrote:
> Kelly Martin writes:
> > I just experienced a hard drive failure on one of my
> > FreeBSD 7.2 production servers with no backup!
...
> First, try copying the entire disk, *without* mounting it.
Yep.
> Use dd(1) to get a copy of the whole disk. I believe that
> "conv=noe
On Mon, Aug 24, 2009 at 12:29:19PM -0600, Kelly Martin wrote:
> I just experienced a hard drive failure on one of my FreeBSD 7.2
> production servers with no backup! I am so mad at myself for not
> backing up!!
Welcome to the club. :-)
> Now it's a salvage operation. Here are the type of errors
>
On Mon, 24 Aug 2009 15:32:05 -0600, Tim Judd wrote:
> Not just diagnostics and recovery, it's for preventive maintenance,
> and healthy operations too. Most people who use it are in a
> diagnostics and recovery, but if you always use it as preventive
> maintenance, you'll never need to use it for
On 8/24/09, Polytropon wrote:
> On Mon, 24 Aug 2009 14:51:41 -0600, Tim Judd wrote:
>> It's OS/FS independent. it works on the bits stored on the magnetic
>> platters, NOT on a filesystem.
>
> Ah, I see. So it's primarily intended for diagnosing and recovering
> from physically defective disks.
On Mon, 24 Aug 2009 14:51:41 -0600, Tim Judd wrote:
> It's OS/FS independent. it works on the bits stored on the magnetic
> platters, NOT on a filesystem.
Ah, I see. So it's primarily intended for diagnosing and recovering
from physically defective disks. Good to know, because there are
times wh
On 8/24/09, Polytropon wrote:
> On Mon, 24 Aug 2009 14:13:22 -0600, Tim Judd wrote:
>> If I were you, get a copy of spinrite (from grc.com) and always keep
>> it handy. It can be risky on a drive already failing. Here's what
>> I'd do
>>
>> Buy spinrite, no matter what.
>
> Is it really suc
On Mon, 24 Aug 2009 14:13:22 -0600, Tim Judd wrote:
> If I were you, get a copy of spinrite (from grc.com) and always keep
> it handy. It can be risky on a drive already failing. Here's what
> I'd do
>
> Buy spinrite, no matter what.
Is it really such a good tool? From my own problems, I r
On Mon, 24 Aug 2009 12:29:19 -0600, Kelly Martin wrote:
> My question: what kind of checks and/or repair tools should I run on
> the damaged drive after it's mounted? Or should I mount it as
> read-only and start backing it up?
Thou shalt not manipluate thy file systems while they are mounted. :-
Kelly Martin writes:
> I just experienced a hard drive failure on one of my FreeBSD 7.2
> production servers with no backup! I am so mad at myself for not
> backing up!! Now it's a salvage operation. Here are the type of errors
> I was getting on the console, over-and-over:
>
> ad4: TIMEOUT - WRI
On 8/24/09, Kelly Martin wrote:
> I just experienced a hard drive failure on one of my FreeBSD 7.2
> production servers with no backup! I am so mad at myself for not
> backing up!! Now it's a salvage operation. Here are the type of errors
> I was getting on the console, over-and-over:
>
> ad4: TIM
I just experienced a hard drive failure on one of my FreeBSD 7.2
production servers with no backup! I am so mad at myself for not
backing up!! Now it's a salvage operation. Here are the type of errors
I was getting on the console, over-and-over:
ad4: TIMEOUT - WRITE_DMA48 retrying (0 retries left)
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