Re: Recovery from hard drive failure

2010-11-14 Thread Peter Tenenbaum
OK, steps 1-3 went fairly smoothly. Now, however, I'm unable to get grub-install to work. When I do the following: mount /dev/sda1 /newboot grub-install '(sd0,0)' I get the error message: /usr/sbin/grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?) I get the same when I

Re: Recovery from hard drive failure

2010-11-12 Thread Jochen Schulz
Peter Tenenbaum: > > Mark -- I've decided against using LVM because (a) it adds another level of > complication to the overall recovery / RAID-ification procedure, which at my > low level of expertise I really do not need, and (b) it's not clear to me > that LVM offers that much benefit for a rela

Re: Recovery from hard drive failure

2010-11-12 Thread Bob Proulx
Peter Tenenbaum wrote: > 1. Install the new hard drives > 2. Boot off the rescue CD > 3. Use fdisk to set up one of the drives as the system / boot drive, with 3 > DOS-style partitions (boot, swap, and everything else) Because the debian-installer has a nice interface to setting up raid I recom

Re: Recovery from hard drive failure

2010-11-12 Thread Peter Tenenbaum
Hi again -- As I'm studying the situation, my plan for how to do this recovery has evolved a bit. What I'm planning now is the following: 1. Install the new hard drives 2. Boot off the rescue CD 3. Use fdisk to set up one of the drives as the system / boot drive, with 3 DOS-style partitions (

Re: Recovery from hard drive failure

2010-11-11 Thread Mark Allums
On 11/11/2010 1:01 PM, Peter Tenenbaum wrote: 4. Use LVM (or fdisk?) to partition the resulting array (boot, linux, and swap) I personally would definitely partition the /dev/md[0123...] RAID devices, and then definitely use LVM inside the partitions. It gives you an extra level of flexibi

Re: Recovery from hard drive failure

2010-11-11 Thread Peter Tenenbaum
Klistvud -- excellent, thanks, that is definitely the way to go! I can see that the rescue CD from live.debian.net (actually from cdimage.debian.org/cdimage/squeeze_live_beta1/amd64/iso-hybrid/) contains everything I need, so I'll use that. Now: in the interim, I've decided to take this opportun

Re: Recovery from hard drive failure

2010-11-11 Thread Klistvud
Dne, 11. 11. 2010 17:16:17 je Peter Tenenbaum napisal(a): I have a recent backup of the hard drive which I made using dump, and I have a new hard drive on order. My recovery plan is as follows: 1. Burn a new netinst CD from a recent build (I am running Squeeze, btw) 2. Replace the hard