> Oh and your motherboard is using a KT266A chipset - I personally won't touch > a VIA chipset since that whole PCI / Soundblaster fiasco (I still have > nightmares). AFAIK the KT266A has PCI issues which have some kind of > workaround in the Linux kernel, however it might be a factor in your situation. I was about to say the same thing. Which Southbridge do you have? Particular VIA Southbridges have serious problems with transferring files. It was a peculiar problem; most cases I've read about said that the problem occurred when transferring files between the onboard controller and on add-on controller. You might try taking all drives off the built-in controllers and see if that helps the problem. ---------- Original Message ----------- From: "Christoph Zimmerli" <zeratul@xxxxxx> To: <linux-raid@xxxxxxxxxxxxxxx> Sent: Wed, 26 May 2004 17:39:43 +0200 Subject: Problem with RAID-5 on SuSE 9.1 (cp hangs, high system load, cpu waits) > Hi there! > > I'm running SuSE 9.1 on my fileserver with 6 hds: > 1 40gb IBM system disk on the onboard ide0 > 5 120gb Maxtor disks, 1 with the system disk on onboard ide0 and 4 > on an Adaptec 1200A. > > I configured the 5 120gb disks as software RAID-5 array, using ext3 > as fs. The system itself runs ok like that, but strange things > happen, when I start to copy files onto/from the RAID: - Copying > starts normally - Copying hangs, no more data is transferred - The > CPU is almost 100% in wait state - The system load increases > steadily - iowait is huge but the disks are idle > > If I react quick, I can kill the cp process, and everything returns > to normality. But if you wait too long, the process can't be killed > anymore. The problem is, you can't even shutdown the pc, because the > system seems to wait for something. I then pressed the reset button. > When booting, the system reports, it's recovering the journal of md0, > and hangs there. I waited about 15h at max, but nothing happened. > When resetting again, the system came up flawlessly, and did about > 1.5h of RAID-resync. But when copying again, the same things would happen. > > I was able to have the system running for half a week with all the hardware > inside, all disks connected, but each disk mounted as /disk1 etc. > with ext3. I then copied around some gb, but there was no high load > or so, and every cp terminated. I read in the list, that there were > some problems with ext3 as fs, so I changed the fs to Reiser, but > that didn't help. > > After these tests I think, that it has to be something with the RAID > itself, or the simultaneous disk access in RAID-mode. > > Any ideas about how to solve this problem would be highly appreciated! > > Have a nice day! > Christoph > > ----------------------------------------------- > System Information: > > AMD AthlonXP 1800+ > 512mb RAM > Shuttle AK31 > ASUS DVD-ROM > 1 IBM IC35L040AVER07-0 (40gb system disk) > 5 Maxtor 6Y120L0 (120gb storage disks) > Adaptec 1200A PCI IDE Controller > > ----------------------------------------------- > /proc/version > > Linux version 2.6.4-54.5-default (geeko@buildhost) (gcc version > 3.3.3 (SuSE > Linux)) #1 Fri May 7 21:43:10 UTC 2004 > > ----------------------------------------------- > /proc/mdstat: > > md0 : active raid5 hdh1[4] hdg1[3] hdd1[2] hdc1[1] hda1[0] > 480242688 blocks level 5, 128k chunk, algorithm 2 [5/5] [UUUUU] > > unused devices: <none> > > ----------------------------------------------- > /etc/fstab > > /dev/hde3 / ext3 acl,user_xattr > 1 1 /dev/hde1 /boot ext3 acl, > user_xattr 1 2 /dev/hde4 /var ext3 > acl,user_xattr 1 2 /dev/hde2 swap > swap pri=42 0 0 devpts > /dev/pts devpts mode=0620,gid=5 0 0 proc > /proc proc defaults 0 0 > usbfs /proc/bus/usb usbfs noauto > 0 0 sysfs /sys sysfs > noauto 0 0 /dev/dvd /media/dvd subfs > fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=utf8 0 0 > /dev/fd0 /media/floppy subfs > fs=floppyfss,procuid,nodev,nosuid,sync 0 0 > /dev/md0 /storage reiserfs acl,user_xattr > > ----------------------------------------------- > /proc/dma > > 4: cascade > > ----------------------------------------------- > /proc/interrupts > > CPU0 > 0: 11052606 XT-PIC timer > 1: 10 XT-PIC i8042 > 2: 0 XT-PIC cascade > 5: 13236 XT-PIC ide0, ide1, eth1, VIA8233 > 8: 2 XT-PIC rtc > 9: 0 XT-PIC acpi > 11: 79755 XT-PIC eth0, uhci_hcd, uhci_hcd, uhci_hcd > 12: 50 XT-PIC i8042 > 14: 43472 XT-PIC ide2 > 15: 7081 XT-PIC ide3 > NMI: 0 > LOC: 0 > ERR: 1 > MIS: 0 > > - > To unsubscribe from this list: send the line "unsubscribe linux- > raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More > majordomo info at http://vger.kernel.org/majordomo-info.html ------- End of Original Message ------- - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
