Re: tiotest, --numruns

2000-03-04 Thread Gregory Leblanc
Christian Robottom Reis wrote: > > I've seen a lot of variation on various runs of tiotest using the same > setup - even in single-user mode. Is this expected, and do you know why it > happens? Is it just the effect of the buffer cache, or do we avoid using > it? > > What's a decent --numruns to

Could one disk cause all this, or is it a bug in Linux-RAID?

2000-03-04 Thread Johan Ekenberg
I don't understand why I'm getting such mysterious crashes on one out of four identical Linux SMP 2.2.14 servers running RAID5. The machine just goes down without a warning. Sometimes it manages to reboot, sometimes the superblocks get out of sync so I've had to mkraid --force them right again. I

Re: autorun

2000-03-04 Thread James Manning
[ Saturday, March 4, 2000 ] Steve wrote: > request_module[md-personality-3]: Root fs not mounted it would appear that you'd need to build-in the raid level support instead of making it a module. Main problem being that since root's not mounted (chicken-and-egg in this case), you have nowhere to

Re: autorun

2000-03-04 Thread Steve
> > [ Friday, March 3, 2000 ] Steve Terrell wrote: > > I have been using raid1 0.090-5 (kernel 2.2.14 w/ raid patch) on a > > couple of RedHat 6.1 boxes for several weeks with good results. > > Naturally, when I installed it on a production system, I ran into > > problems. Raid1 arrays work fine

Re: Problem with 2.2.x and RAID0

2000-03-04 Thread James Manning
[ Saturday, March 4, 2000 ] Martin Schulze wrote: > I wonder why I can't get RAID0 aka striping work with 2.2.13. It only > runs with 2.0.36. old-style raid is no longer supported. You may wish to read the s/w raid howto at http://ostenfeld.dk/~jakob/Software-RAID.HOWTO/ specifically, the "req

Re: Raid5 on root partition and swap

2000-03-04 Thread Martin Bene
At 15:43 04.03.00, you wrote: >3 disks scsi > >--> 3 partion ext2 in Raid 5 (mounted on / ) of 4081mb [md0] >--> 3 partition swap in Raid 5 of 250mb [md1] > >it's possible and it is performing? Almost - you can't boot off a raid5; however, you CAN boot off raid1. Also, I wouldn't use raid5 for

Problem with 2.2.x and RAID0

2000-03-04 Thread Martin Schulze
I wonder why I can't get RAID0 aka striping work with 2.2.13. It only runs with 2.0.36. # mdadd -ar /dev/sdc2: No such device /dev/sdd2: No such device /dev/sde2: No such device /dev/md0: No such device The appropriate SCSI driver is included, /dev/sda1 can be mounted without a problem. As you

Raid5 on root partition and swap

2000-03-04 Thread [EMAIL PROTECTED]
hello! a small question... I need this configuration : 3 disks scsi --> 3 partion ext2 in Raid 5 (mounted on / ) of 4081mb [md0] --> 3 partition swap in Raid 5 of 250mb [md1] it's possible and it is performing? thanks p.s.: sorry for my bad english... i'm italian.. Matteo Sgalaberni [EM