RAID1 not working after upgrade to kernel 2.2.16

2000-06-21 Thread S.T. Wong
Hello, I'm using RH 6.2 with 2.2.14 (plus latest raid patch). I defined /dev/md0 with following raidtab : raiddev /dev/md0 raid-level 1 nr-raid-disks 2 nr-spare-disks 0 chunk-size 4 persistent-superblock 0 device /dev/hda5

Re: autostart with raid5 over raid0?

2000-06-21 Thread Corin Hartland-Swann
Carlos, On Wed, 21 Jun 2000, Carlos Carvalho wrote: > I've been using raid5 with auto-detection for over a year without > problems. Everything including the root fs is on raid5, the machine > boots from floppy. > > I now want to rearrange the disks in raid0 arrays, and make a raid5 of > these.

RE: autostart with raid5 over raid0?

2000-06-21 Thread Gregory Leblanc
> -Original Message- > From: Carlos Carvalho [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, June 21, 2000 2:19 PM > To: [EMAIL PROTECTED] > Subject: autostart with raid5 over raid0? > > Hi all, > > I've been using raid5 with auto-detection for over a year without > problems. Everything in

autostart with raid5 over raid0?

2000-06-21 Thread Carlos Carvalho
Hi all, I've been using raid5 with auto-detection for over a year without problems. Everything including the root fs is on raid5, the machine boots from floppy. I now want to rearrange the disks in raid0 arrays, and make a raid5 of these. Will auto-detection/autostart work in this case? It shoul

RE: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Diegmueller, Jason (I.T. Dept)
: Look at the Bonnies seek performance. It should rise. : For single sequential reads, readbalancer doesn't help. : Bonnie tests only single sequential reads. : : If you wan't to test with multiple io threads, try : http://tiobench.sourceforge.net Great, thanks, I'll give this a try!

Re: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Mika Kuoppala
On Wed Jun 21 2000 at 12:46:02 -0500, Diegmueller, Jason (I.T. Dept) wrote: > : > Can/Should I apply the raid1readbalance-2.2.15-B2 patch after > : > applying mingo's raid-2.2.16-A0 patch? > : > : I don't see any reason not to apply it, although I haven't > : tried it with 2.2.16. > > I have be

RE: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Diegmueller, Jason (I.T. Dept)
: None offhand, but can you post your test configuration/parameters? : Things like test size, relavent portions of /etc/raidtab, things : like that. I know this should be a whole big list, but I can think : of all of them right now. FYI, I don't do IDE RAID (or IDE at all), : but it's pretty aw

RE: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Gregory Leblanc
> -Original Message- > From: Diegmueller, Jason (I.T. Dept) [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, June 21, 2000 10:46 AM > To: 'Gregory Leblanc'; 'Hugh Bragg'; [EMAIL PROTECTED] > Subject: RE: Benchmarks, raid1 (was raid0) performance > > : > Can/Should I apply the raid1readbalanc

RE: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Diegmueller, Jason (I.T. Dept)
: > Can/Should I apply the raid1readbalance-2.2.15-B2 patch after : > applying mingo's raid-2.2.16-A0 patch? : : I don't see any reason not to apply it, although I haven't : tried it with 2.2.16. I have been out of the linux-raid world for a bit, but a two-drive RAID1 installation yesterday ha

RE: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Gregory Leblanc
> -Original Message- > From: Hugh Bragg [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, June 21, 2000 5:04 AM > To: [EMAIL PROTECTED] > Subject: Re: Benchmarks, raid1 (was raid0) performance > > Patch http://www.icon.fi/~mak/raid1/raid1readbalance-2.2.15-B2 > improves read performance right

RAW-Devices and Software-RAID

2000-06-21 Thread Thomas King
Hello I want to use an informix database with an 2.4.test Kernel. I want to set up a software RAID and RAW-devices for the database. Now, my question? Does this configuration stable works Have anybody some experiences about this??? -- Mfg. Thomas King --

Booting off raid with 2.3.99

2000-06-21 Thread Ilia Baldine
Hi, This may have been asked to death by now, but I did not see an answer in the archive: is it possible to have / on RAID0 with 2.3.99 kernel (lets say -pre9)? I have a RH6.2 with 2.2.14 (pre-patched for RAID courtesy of RedHat) so it has / on a raid0 drive (I'm short on disk space to do raid1 o

bread & bottom halves in SMP

2000-06-21 Thread P.Basker
Hello All, Im running 6.2 RH (2.2.14 smp ) on Intel SMP and non SMP machines with PII and PIII Ive written a small kernel module which executes the following operations in the tq_scheduler bottom halves. I suppose they are safe enough. But if Im wrong please correct me. Here is t

Another failure scenario

2000-06-21 Thread Jochen Scharrlach
Hi, 2 disks with RH 5.2, kernel 2.2.14 + RAID-patch: root and swap are regular partitions, while /tmp, /var and /usr are mirrored. Yesterday I installed a new bootdisk (the other one had medium errors in the root-partition) and of course the new disk has a different geometry. Anyway, I managed to

Re: Benchmarks, raid1 (was raid0) performance

2000-06-21 Thread Hugh Bragg
Patch http://www.icon.fi/~mak/raid1/raid1readbalance-2.2.15-B2 improves read performance right? At what cost? Can/Should I apply the raid1readbalance-2.2.15-B2 patch after applying mingo's raid-2.2.16-A0 patch? What version of raidtools should I use against a stock 2.2.16 system with raid-2.2.16

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2000-06-21 Thread admin
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