Re: [cobalt-users] RAQ2 Disaster Recovery

["Randall Clark" <wz297@xxxxxxxxxxxxxx>]

What kind of Hard drives are in the Raq3 ???
Are we going to have the same problems, I sure as heck
hope not!!  My cobalt is Co-located and I would have to
pay major $$$$$ to have someone else fix it.


Randall


----- Original Message -----
From: "John Burgess" <john.burgess@xxxxxxxxxx>
To: <cobalt-users@xxxxxxxxxxxxxxx>
Sent: Tuesday, May 30, 2000 2:02 AM
Subject: [cobalt-users] RAQ2 Disaster Recovery


> Hi all,
>
> I thought you might want to hear a tale of woe with a happy ending.
>
> Had a production Raq2 go down last night due to failure of the Quantum
> Fireball 12 gig HD.  It was barely 6 months old.
>
> Luckily I had a spare Raq2.  Pulled out the failed HD, got a Y power
> connector and a ide cable with two drive connectors, and put the failed HD
> in a working system as a slave.  fsck'd the fail drive, and mounted it
(read
> only).  tarred the user mail and sites up to the working drive.  copied
off
> lots of other little files from /etc/sysconfig,
> /usr/admserv/html/.cobalt/siteList, /usr/admserv/html/.cobalt/siteManage,
> /usr/local/majordomo, /etc/sendmail.cw, /etc/virtusertable, /etc/passwd,
> /etc/shadow, /etc/logrotate.d, /etc/aliases, /etc/aliases.majordomo,
> /etc/httpd, /etc/hosts, some /usr/local things, /etc/mail/access, and
there
> were probably a few more but that is mostly it.
>
> The server came back up, no major.  Everything working.  Ok.  So now I
don't
> want to wait forever to get my spare/sandbox back up so....
>
> Went to Office Depot (they are close and cheap). Got a new Western Digital
> 12 gig hd, set it as a slave, took out the bad drive (that was setup as a
> slave in the working box), and put it in the working server.  Tried a
> straight dd from primary to secondary drive (hda to hdb), but that didn't
> quite work (I don't know why).  So then I created partitions with sfdisk
> (fdisk and cfdisk are no good for this) using sector specs as follows
(these
> come from a factory Cobalt drive):
>
>    Device Boot    Start       End  #sectors  Id  System
> /dev/hda1             1   1024127   1024127  83  Linux native
> /dev/hda2       1024128   1287215    263088  82  Linux swap
> /dev/hda3       1287216   1697471    410256  83  Linux native
> /dev/hda4       1697472  25429823  23732352  83  Linux native
>
> The I did the dd from partitions on hda to hdb (i.e. dd if=/dev/hda1
> of=/dev/hdb1
> bs=512) for partions 1, 2 and 4.
>
> My work was rewarded with a working (and bootable replacement drive for
the
> Raq2).  Put it in the system that had the drive failure and deleted the
> sites, and I once again have my spare/sandbox working as well as the
> production system on-line.
>
> I hope this helps someone else.  There is bound to be a lot of this
disaster
> recovery going on out there (especially with those Quantum HD's and those
> itty bitty fans).
>
> Now who do I send that failed drive to for replacement?  Should I even try
> Cobalt or would Quantum give me quicker satisfaction?
>
> John Burgess
> President, Allegro Data Systems
> 12500 Network, Suite 401
> San Antonio, TX  78249
> 210-558-0709
> E-mail <mailto:john.burgess@xxxxxxxxxx>
> Fastex.net <http://www.fastex.net/>
>