Hi, check the sync rate while connecting the disks only as a IDE masters. This means you can try a RAID with 5 disks as I can see in your configuration. I guess that every disk is correct jumpered as a master or slave? Or do you use the "cable select" option? Lord Phantazm <phantazm@xxxxxxxxxxx> schrieb: > This is really wierd problem with mdadm. > > I currently have 8 Maxtor 200gb disks. > They are connected like this > > hdb hdc hdd = onboard ide > hde hdf hdg hdh = Promise ata133 card > hdk = Promise ata 133 card. > > Hardware is a P4 2.8ghz with 2gb of ram and a MSI NEO 2 mobo. > > Problem is that te resync is really slow and when it's done it just loops > and the box craches. > Here are some info. > > Currently i'm testing a resync with a non HT/SMP config and noapic just to > check that is no irq routing crap. (failed before though) > > merlin / # uname -a > Linux merlin 2.6.10-gentoo-r6 #16 Thu Feb 17 11:00:11 CET 2005 i686 Intel(R) > Pentium(R) 4 CPU 2.80GHz GenuineIntel GNU/Linux > > > merlin / # cat /proc/interrupts > CPU0 > 0: 6621371 XT-PIC timer > 1: 8 XT-PIC i8042 > 2: 0 XT-PIC cascade > 3: 1487791 XT-PIC eth1 > 10: 1628242 XT-PIC eth0, eth2 > 11: 112644 XT-PIC ide2, ide3 > 12: 35197 XT-PIC ide5 > 14: 71092 XT-PIC ide0 > 15: 63376 XT-PIC ide1 > NMI: 0 > ERR: 40328 > > cat /proc/mdstat > Personalities : [raid5] > md0 : active raid5 hde1[0] hdb1[8] hdd1[7] hdk1[6] hdc1[4] hdh1[3] hdg1[2] > hdf1[1] > 1393991424 blocks level 5, 64k chunk, algorithm 2 [8/7] [UUUUU_UU] > [=>...................] recovery = 5.5% (11110168/199141632) > finish=1641.7min speed=1906K/sec > unused devices: <none> > > (The resync speed is always somewhere between 500K to 3000K/s) should be > 10000K/s ;-) > > > This is the kernelog. it's just a lil grab in it since this list goes on > untill i reboot the box. (its freezed). > This is what i get when sync is finiched and it should markt the array good. > Feb 17 07:17:08 [kernel] md: using maximum available idle IO bandwith (but > not more than 150000 KB/sec) for reconstruction. > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: using maximum available idle IO bandwith (but > not more than 150000 KB/sec) for reconstruction. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > Feb 17 07:17:08 [kernel] md: md0: sync done. > Feb 17 07:17:08 [kernel] .<6>md: syncing RAID array md0 > > I've also tried to have 4 disks on each promise card with same result. (if > having apic i get alot of cpu apic error 60) > i have checked all disks with smarttool and also benchmarked them. Each disk > gets about (hdparm) -T = 1800mb/s and -t 60mb/s so i doubt that > theres actually a broken disk. > > i'm running mdadm 1.7.0 > > This is toally bugging me out. > Help is really really apricated. > > > > - > 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 > -- Lord Hess, R. 3.307 ,KIP, Inf 227 69120 Heidelberg - 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
