Re: Status of raid software?

1999-05-27 Thread Martin Bene
At 10:25 18.05.99 +0200, Ingo Molnar wrote: possibly yes. There has been a great deal of cleanup done in the latest version to make the impact on the generic kernel as small as possible. Currently stock 2.2.9 doesnt really work well with RAID1/RAID5 (reason yet unknown, Doug Ledford is

Re: does raid1 consider one drive to be 'primary'?

1999-05-27 Thread brm
What is needed is a "raidhotremove --DOIT!!" to allow you to remove an active disk ... (people have said this should be possible in the kernel -- but tricky. Sounds pretty simple to me, but I'm not an expert ...) now that everything lives in the kernel, i dont see how that would be

Raid reference

1999-05-27 Thread Jose Tenorio Bezerra Neto
Please, Where can I get any document with reference to RAID? Thanks, Tenorio begin:vcard n:Neto;Jose Tenorio Bezerra x-mozilla-html:FALSE org:LIGHT INFOCON TECNOLOGIA S/A version:2.1 email;internet:[EMAIL PROTECTED] title:Analista de Suporte tel;fax:55-83-333-1528 tel;work:55-83-333-1904

Re: more than 4 disks on raid5?

1999-05-27 Thread Scott Laird
I have an 11 disk RAID5 set working with the new RAID code. Scott On Sat, 22 May 1999, Dietmar Stein wrote: Hi Tod I do not see any mistake; from the theory of raid5 you should be able to set a raid5 with 8 disks or more. Maybe I am wrong. Sorry that I can't help you further.

Re: patches for 2.2.9 - THANKS

1999-05-27 Thread Fred Reimer
I'd like to say thanks to everyone who responded to my questions about the raid patches for 2.2.9. It appears that the server was down - also effecting the Linux-kernel list - late Sunday/early Monday. I finally got all your responses! Looks like I will search for the patch from Ingo in the

Re: raid1 on ide decreases read performance

1999-05-27 Thread Joachim Zobel
At 23:17 23.05.99 +0200, you wrote: raid-1 also increases read performance. It can do reads just like raid0, because both disks contain the same data. It doesn't read the same block from both disks and compare, instead it reads like from a stripe set (raid0). At least that's the theory. Your

Re: raid1 on ide decreases read performance

1999-05-27 Thread Dietmar Stein
[EMAIL PROTECTED] wrote: On Fri, May 21, 1999 at 06:13:12PM +0200, Dietmar Stein wrote: Hi ... Readperformance will only increase by using raid0 (stripe), but it will not be twice times faster. Not quite true. Hm, I thought of the theory which is used for SMP machines; you got

Re: raid1 on ide decreases read performance

1999-05-27 Thread Steve Cooper
-Original Message- From: [EMAIL PROTECTED] [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] Date: Monday, May 24, 1999 1:02 PM Subject: Re: raid1 on ide decreases read performance raid-1 also increases read performance. It can do reads just like raid0, because both

Raid 5 recovery problem

1999-05-27 Thread Tal Lichtenstein
Hi! I just installed RedHat 6.0 (which contains kernel v2.2.5) on a dual Pentium Pro machine. The computer has a 2940UW SCSI controller with 3 external 9GB disks. Each disk has a 130MB swap partition and a 8.6GB Linux partition. The three Linux partitions are configured as a raid 5 device

Re: Add expansion of exisiting RAID 5 config in software RAID?

1999-05-27 Thread D. Lance Robinson
The answer is still the same (May 1999). Lance. Scott Smyth wrote: I would like to explore the requirements of expanding RAID 0,4, and 5 levels from an existing configuration. For example, if you have 3 disks in a RAID 5 configuration, you currently cannot add a disk to the RAID 5

Hardware RAID Solutions

1999-05-27 Thread Bobby Hitt
Hello all: I'm looking for a Linux HARDWARE RAID solution that supports booting from the RAID. The hardware I know about that supports this: DPT ICP Vortex I just returned an DPT 2044UW controller and caching module, performance was AWFUL. Before I buy a ICP Vortex controller, I wanted to see

Raid problems

1999-05-27 Thread Nick Vermeer*
I have linux-2.2.6 + raid-0145-2.2.6 patches running on an SMP Dual PIII-500 w/ 512MB ram 2 Adaptec 2940U2W's w/ IBM 9.1 Gig 10,000RPM LVD drives Current config SCSI IDControler Card 0 scsi1 0 scsi0 1 scsi1 2

Re: patches for 2.2.9?

1999-05-27 Thread Wayde Milas
Fred Reimer wrote: This is a two part message. First, I need to check to see if I'm on the list.. Second, where can I get patches for the alpha raid tools that RedHat chose to put in their version of the kernel that will work under 2.2.9? The latest official alpha patches appear to be

Re: Swap file on raid

1999-05-27 Thread Wayde Milas
Francesco Potorti` wrote: Hi, I remember having seen on this list a message saying that making a swap file on a filesystem residing over a raid device was not possible/reliable (because of a race condition in the kernel?). Unfortunately, my own archive of the list only contains a