Messages in this thread | | | Date | Mon, 03 Jul 2000 11:58:06 +0300 | From | "Vladimir V. Saveliev" <> | Subject | Re: (reiserfs) 2.4.0-test2-ac2 with RAID lockup |
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Russell Coker wrote:
> I am using RAID-1 with two 46G IBM ATA-66 hard drives, the RAID-1 is on > /dev/hda4 and /dev/hda4 and is 43510604 blocks in size. > > Here's the fdisk output from /dev/hdc, /dev/hda is exactly the same (I used > dd to copy the partition table). > > Disk /dev/hdc: 255 heads, 63 sectors, 5606 cylinders > Units = cylinders of 16065 * 512 bytes > > Device Boot Start End Blocks Id System > /dev/hdc1 1 33 265041 82 Linux swap > /dev/hdc2 34 36 24097+ 83 Linux > /dev/hdc3 37 189 1228972+ 83 Linux > /dev/hdc4 190 5606 43512052+ 83 Linux > > Here is my current /etc/raidtab: > raiddev /dev/md0 > raid-level 1 > nr-raid-disks 2 > persistent-superblock 1 > chunk-size 4k > device /dev/ide/host0/bus0/target0/lun0/part4 > raid-disk 0 > device /dev/ide/host0/bus1/target0/lun0/part4 > raid-disk 1 > > Here is my df output: > Filesystem 1k-blocks Used Available Use% Mounted on > /dev/ide/host0/bus0/target0/lun0/part3 > 1228916 952728 276188 78% / > /dev/ide/host0/bus0/target0/lun0/part2 > 23333 4172 17957 19% /boot > /dev/md/0 43510604 557652 42952952 1% /mnt > > I am migrating to devfs as you will notice. I started playing with devfs > AFTER the first time RAID locked up on me so I know it's not caused by devfs. > I have had RAID lockup with and without devfs. > > The first time it locked up I could run ps/top/etc but any attempt to sync > etc would hang (D state). > The second time it was more serious. The command: > ls -al /proc/247 > would go D state, so ps, top, etc would all hang. Pid 247 was named. > > At the time of the hang the only process using the RAID device was a bonnie++ > test run on a ReiserFS file system. I doubt that ReiserFS or the drive > hardware was at fault because I spent an entire week running various bonnie++ > tests on /dev/hda4 with ReiserFS and ext2 without any problems at all. All > the evidence I have suggests that ReiserFS is not at fault, however I have > CC'd the ReiserFS list (just in case) and I am continuing to run tests.
Hi Just to make sure, that it is reiserfs problem - would you mind to try to hang the ext2fs?
Thanks, vs
> > > The bonnie++ command was: > bonnie++ -s 512 > > It seems that running the bonnie++ command on it's own does not cause a hang, > it's only when I redirect stdout and stderr to files on the same file system > that problems occur. I've just run another test and had it hang badly enough > that I couldn't login via telnet or ssh (the machine has no monitor). > > This time it got through the first run but on the second run (with parameters > "-s 1024 -n 60") it hung. > > The machine in question is a test machine. So if anyone has any experimental > patches etc they want me to run then please let me know. > > Russell Coker
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