Re: Swapping raid-disks

2000-07-04 Thread Thomas Scheuermann
Am Die, 04 Jul 2000 schrieben Sie: By mistake I installed my raid1 system to use hdc3 as disk 0 and hda3 as disk 1. Now I'm planning to change the disks to another machine that cannot boot from any other device than hda which means that the current installation would not work since I'm

Re: Keeping / on RAID0 in 2.3.99

2000-07-04 Thread Neil Brown
On Monday July 3, [EMAIL PROTECTED] wrote: Hi all, I have a system with /boot on a normal partition and / being on md0 (raid0). It runs 2.2.14 or 2.2.16-RAID, however I need to switch to 2.3.99 for a variety of reasons. I've been trying to get it going to no avail for a couple of weeks

Re: Swapping raid-disks

2000-07-04 Thread John Saunders
I was experimenting with swapping drives to simulate what would happen when a drive failed. I swapped a few to many times, methinks, and used the same set of three drives without removing the older mirrored information. At some point something got confused and lilo would not write to both

Re: Swapping raid-disks

2000-07-04 Thread Piete Brooks
By mistake I installed my raid1 system to use hdc3 as disk 0 and hda3 as disk 1. Why is that a `mistake' ? Now I'm planning to change the disks to another machine that cannot boot from any other device than hda which means that the current installation would not work since I'm booting with

Re-creating raid devices

2000-07-04 Thread Tamas Acs
Hi, I've been reading docs but couldn't figure out how to re-create a raid device without losing data. What I wanna do is add a spare disk/partition to an existing raid1 array. Is there a way to reconfigure the drive(s) without losing data? I have changed the /etc/raidtab file and ran "mkraid

Re: Re-creating raid devices

2000-07-04 Thread Piete Brooks
What I wanna do is add a spare disk/partition to an existing raid1 array. Do you want to keep the N-way mirror with N copies, but add a spare so that when one of the N fails, it will start re-constructing immediately, or do you want to change it to an N+1 array ? [ Note that the former will be

Re: Re-creating raid devices

2000-07-04 Thread Tamas Acs
On Tue, 4 Jul 2000, Piete Brooks wrote: What I wanna do is add a spare disk/partition to an existing raid1 array. Do you want to keep the N-way mirror with N copies, but add a spare so that when one of the N fails, it will start re-constructing immediately, or do you want to change it

Re: Re-creating raid devices

2000-07-04 Thread Piete Brooks
Do you want to keep the N-way mirror with N copies, but add a spare so that when one of the N fails, it will start re-constructing immediately, ... If the former, just `raidhotadd'. That is the one I was thinking of using. Should be straightforward ... Will it automatically recognize it as

Re: Re-creating raid devices

2000-07-04 Thread Tamas Acs
Hello, Do you want to keep the N-way mirror with N copies, but add a spare so that when one of the N fails, it will start re-constructing immediately, ... If the former, just `raidhotadd'. That is the one I was thinking of using. Should be straightforward ... It was, thanks. IT's

Dell PERC2/SC

2000-07-04 Thread Michael Ghens
Can anyone tell me if there are any problems using this card in a linux HW-raid? Thanks Michael Also how big of a raid partition is possible? I have a data partition need of 36 gigs plus.

Re: Dell PERC2/SC

2000-07-04 Thread jlewis
On Tue, 4 Jul 2000, Michael Ghens wrote: Also how big of a raid partition is possible? I have a data partition need of 36 gigs plus. No problem. They make individual drives bigger than that now. You can supposedly have ext2 partitions up to a few terabytes. If you fill a partition that big

RE: Dell PERC2/SC

2000-07-04 Thread Gregory Leblanc
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Tuesday, July 04, 2000 8:33 PM To: Michael Ghens Cc: [EMAIL PROTECTED] Subject: Re: Dell PERC2/SC On Tue, 4 Jul 2000, Michael Ghens wrote: Also how big of a raid partition is possible? I have a data

Re: Moving form software to hardware raid

2000-07-04 Thread jlewis
On Sat, 1 Jul 2000, Michael Ghens wrote: Just need to know how hard it is to move from software to hardware raid. Would I have to reformat the HD's? Any special considerations? Almost certainly, you will need to move the data elsewhere, let the raid card do its thing with the disks,