Re: Urgent Problem: moving a raid

2001-02-25 Thread Eyal Lebedinsky
Neil Brown wrote: OK, this time I really want to know how this should be handled. Well. it "should" be handled by re-writing various bits of raid code to make it all work more easily, but without doing that it "could" be handled by marking the partitions as hold raid componenets (0XFE I

Re: Urgent Problem: moving a raid

2001-02-25 Thread Neil Brown
On Sunday February 25, [EMAIL PROTECTED] wrote: Neil Brown wrote: OK, this time I really want to know how this should be handled. Well. it "should" be handled by re-writing various bits of raid code to make it all work more easily, but without doing that it "could" be handled by

Re: MD reverting to old Raid type

2001-02-25 Thread Neil Brown
On Sunday February 25, [EMAIL PROTECTED] wrote: Linux 2.4.1/RAIDtools2 0.90 I have 4 ide disks which have identical partition layouts. RAID is working successfully, its even booting RAID1. I created a RAID5 set on a set of 4 partitions, which works OK. I then destroyed that set and

Re: MD reverting to old Raid type

2001-02-25 Thread Suad Musovich
In the raidtab file where you describe the raid0 arrays, make sure to say: persistent-superblock = 1 Yep, it was already set to 1 (sorry, forgot to write that in my original post) Cheers, Suad -- (or whatever the correct systax is). The default is 0 (== no) for back compat I

Re: Urgent Problem: moving a raid

2001-02-25 Thread Eyal Lebedinsky
Neil Brown wrote: On Sunday February 25, [EMAIL PROTECTED] wrote: Neil Brown wrote: OK, this time I really want to know how this should be handled. Well. it "should" be handled by re-writing various bits of raid code to make it all work more easily, but without doing that it

Two disks RAID 0 performance lower than of a single disk?

2001-02-25 Thread Joao Cardoso
Hi, I have setup a raid0 on two u2w SCSI disks, but the performance, as reported by tiobench and bonnie++, is inferior of a single (the faster) disk; can this be because the two disks are different or the filesystem is reiserfs? I run the tests in multiuser, without user activity, but under