raid1 boot issues

2005-08-25 Thread Lewis Shobbrook
Hi All, I have a problem attempting to boot a raid 1 system from lilo.  I have succeeded at this many times in the past, but am completely stumped as to what the issue is in this instance. I have the boot and root partitions seperate on /dev/md0 /dev/md1 respectively, both raid1.   The mdadm

Re: raid1 boot issues

2005-08-25 Thread Tyler
Fdisk it and set partitions to Raid Autodetect (0xfd) possibly? Tyler. Lewis Shobbrook wrote: Hi All, I have a problem attempting to boot a raid 1 system from lilo. I have succeeded at this many times in the past, but am completely stumped as to what the issue is in this instance. I have

Re: RAID 5 write performance advice

2005-08-25 Thread Mirko Benz
Hello, We intend to export a lvm/md volume via iSCSI or SRP using InfiniBand to remote clients. There is no local file system processing on the storage platform. The clients may have a variety of file systems including ext3, GFS. Single disk write performance is: 58,5 MB/s. With large

Re: RAID 5 write performance advice

2005-08-25 Thread Ming Zhang
On Thu, 2005-08-25 at 18:38 +0200, Mirko Benz wrote: Hello, We intend to export a lvm/md volume via iSCSI or SRP using InfiniBand to remote clients. There is no local file system processing on the storage platform. The clients may have a variety of file systems including ext3, GFS.

Re: raid1 boot issues

2005-08-25 Thread Lewis Shobbrook
On Thursday 25 August 2005 7:14 pm, you wrote: Fdisk it and set partitions to Raid Autodetect (0xfd) possibly? Tyler. Nope already set fd Lewis Shobbrook wrote: Hi All, I have a problem attempting to boot a raid 1 system from lilo. I have succeeded at this many times in the past, but

Re: raid1 boot issues

2005-08-25 Thread Berk Walker
Lewis Shobbrook wrote: On Thursday 25 August 2005 7:14 pm, you wrote: Fdisk it and set partitions to Raid Autodetect (0xfd) possibly? Tyler. Nope already set fd Lewis Shobbrook wrote: Hi All, I have a problem attempting to boot a raid 1 system from lilo. I have

Re: raid1 boot issues

2005-08-25 Thread Lewis Shobbrook
On Thursday 25 August 2005 6:37 pm, you wrote: Thanks for the reply Rui, Hi Lewis, Are the boot sectors of your HD's clean? Or have you copied lilo onto them? If not, are you shure that both you md0 partitions are marked as bootable? Are the partitions marked 0xFD ? The

Re: raid1 boot issues

2005-08-25 Thread Lewis Shobbrook
On Friday 26 August 2005 11:32 am, you wrote: Thanks for the help guys, I've given up for now, cp'd the boot to the md1 device and reflagged the partitions as bootable and just not mounting /dev/md0 anymore. It's most probably some strange artefact from the raidtools mkraid when the devices