Hey Dean,
Everything is a file in the UNIX world, so copying over file for file
is no problem. be sure that you preserve permissions (aka 'archive
mode') preseriving ownership and permissions is vital. '``cp'' should
do everything you need in this case.
Are you sure there are bad sectors? Can y
Dean Hollister wrote:
Yep, the kernel reports it cannot read a couple sectors at bootup.
Is it just a case of fdisk'ing/label'ing the new drive with a standard
MBR, setting up the filesystems and copying to them. Then the new
drive should just boot normally?
Pretty much, i've done it a few times
Mike Woods <[EMAIL PROTECTED]> writes:
> Dean Hollister wrote:
>
> > Yep, the kernel reports it cannot read a couple sectors at bootup.
> >
> > Is it just a case of fdisk'ing/label'ing the new drive with a
> > standard MBR, setting up the filesystems and copying to them. Then
> > the new drive sh
On Fri, Oct 08, 2004 at 04:07:27PM -0600, Dean Hollister wrote:
>
> Dear All,
>
> A quick question, and I've searched the FAQ/Handbook to no avail...
>
> One of the machines I maintain has developed bad sectors on it's /usr
> filesystem. I can mount the filesystem R/O, so is it possible to inst
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)
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
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 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. :-
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 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 14:51:41 -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 14:51:41 -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 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 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
>
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 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
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 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,
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 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
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 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, 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 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 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, 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 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 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
-
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 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
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
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 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
!
-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 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
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
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
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