Re: RAID0 performance question

2005-11-26 Thread Raz Ben-Jehuda(caro)
look at the cpu consumption. On 11/26/05, JaniD++ [EMAIL PROTECTED] wrote: Hello list, I have searching the bottleneck of my system, and found something what i cant cleanly understand. I have use NBD with 4 disk nodes. (raidtab is the bottom of mail) The cat /dev/nb# /dev/nullmakes ~

Re: RAID0 performance question

2005-11-26 Thread JaniD++
Hello, Raz, Think this is not cpu usage problem. :-) The system is divided to 4 cpuset, and each cpuset uses only one disknode. (CPU0-nb0, CPU1-nb1, ...) this top is under cat /dev/md31 (raid0) Thanks, Janos 17:16:01 up 14:19, 4 users, load average: 7.74, 5.03, 4.20 305 processes: 301

Booting from raid1 -- md: invalid raid superblock magic on sdb1

2005-11-26 Thread David M. Strang
Hello all -- I've read, and read, and read -- and I'm still not having ANY luck booting completely from a raid1 device. This is my setup... sda1 is booting, working great. I'm attempting to transition to a bootable raid1. sdb1 is a 400GB partition -- it is type FD. Disk /dev/sdb: 400.0

Re: RAID0 performance question

2005-11-26 Thread Lajber Zoltan
On Sat, 26 Nov 2005, JaniD++ wrote: Hello, Raz, Think this is not cpu usage problem. :-) The system is divided to 4 cpuset, and each cpuset uses only one disknode. (CPU0-nb0, CPU1-nb1, ...) Seams to be CPU problem. Which kind of NIC do you have? CPU2 states: 2.0% user 74.0% system

Re: Booting from raid1 -- md: invalid raid superblock magic on sdb1

2005-11-26 Thread David M. Strang
On Saturday 26 November 2005 12:16:14, Guillaume Filion wrote: Le 05-11-26, à 11:18, David M. Strang a écrit : md: invalid raid superblock magic on sdb1 Did you include the md and raid1 modules in mkinirtd.conf? I'll admit that while I have my root on a raid1 device, I'm a bit confused by

Re: Booting from raid1 -- md: invalid raid superblock magic on sdb1

2005-11-26 Thread David M. Strang
On Saturday 26 November 2005 11:14:46, David M. Strang wrote: sdb1 is a 400GB partition -- it is type FD. Disk /dev/sdb: 400.0 GB, 400088457216 bytes 2 heads, 4 sectors/track, 97677846 cylinders Units = cylinders of 8 * 512 = 4096 bytes Device Boot Start End Blocks Id

Re: RAID0 performance question

2005-11-26 Thread Lajber Zoltan
Hi, If you don't speak hungarian, forget this sentence: Beszelsz magyarul? akkor folytathatjuk ugy is. On Sat, 26 Nov 2005, JaniD++ wrote: Intel xeon motherboard, intel e1000 x2. (64bit) But i already write that, if i cut out the raid, and starts the 4 cat at one time the traffic is rise

Re: Booting from raid1 -- md: invalid raid superblock magic on sdb1

2005-11-26 Thread David M. Strang
On Saturday 26 November 2005 14:03:35, David M. Strang wrote: On Saturday 26 November 2005 11:14:46, David M. Strang wrote: sdb1 is a 400GB partition -- it is type FD. Disk /dev/sdb: 400.0 GB, 400088457216 bytes 2 heads, 4 sectors/track, 97677846 cylinders Units = cylinders of 8 * 512 =

mdadm HOWTO

2005-11-26 Thread Mike Smith
Hi, I've been using mdadm for over a year now and really like the utility. Can someone point me to a howto type document that shows how to do various tasks. Like recovering a metadevice. I suspect my situation is not unique and would probably be covered. I have a mother board with 3 sata raid