Re: raid5 recovery fails

2005-11-14 Thread Neil Brown
On Tuesday November 15, [EMAIL PROTECTED] wrote: > > mdadm --add /dev/md0 /dev/sda2.. > yes , i am using raidstart for this. it should be the same. No, it shouldn't. raidstart is broken by design and cannot work reliable. It is one of the main reasons that I wrote mdadm. raidstart trusts the de

Re: raid5 recovery fails

2005-11-14 Thread Raz Ben-Jehuda(caro)
> mdadm --add /dev/md0 /dev/sda2.. yes , i am using raidstart for this. it should be the same. I am handling a big cluster with supermicro machines,each machine has its own 4 sata disks.I am using 2.6.6 kernel. Did you ever pulled out a disk from raid5 while the machine was running ? Just want to

Re: raid5 recovery fails

2005-11-14 Thread Ross Vandegrift
On Mon, Nov 14, 2005 at 09:27:25PM +0200, Raz Ben-Jehuda(caro) wrote: > I have made the following test with my raid5: > 1. created raid5 with 4 sata disks. > 2. waited untill raid was fully initialized. > 3. pulled a disk from the panel. > 4. shut the system. > 5. put back the disk. > 6. turn on th

raid5 recovery fails

2005-11-14 Thread Raz Ben-Jehuda(caro)
I have made the following test with my raid5: 1. created raid5 with 4 sata disks. 2. waited untill raid was fully initialized. 3. pulled a disk from the panel. 4. shut the system. 5. put back the disk. 6. turn on the system. The raid failed failed to recver. i got message from the md layer saying