Hi, ok, I see. No one on the list feels cognizant. Please tell me where to report this problem. linux-kernel@â? Thanks Lars Am Tue, 31 May 2011 11:34:52 +0200 Lars TÃuber <taeuber@xxxxxxx> schrieb: > Hi there, > > I have a problem with a SW-RAID6. It is reproduceable also after changing the hole hardware. > I startet with a Suse 11.2. The problem occured during writing much data to the array (high io load). > This is hopefully the right ML for my problem. Otherwise please excuse me and point me the the right ML. > > > Then I changed the PSU. Still errors on high load. > Then I changed the sata controller (Sil 3114 - sata_sil) with one with a different chipset (driver: sata_mv). Still errors on high load. > Then I changed the disk enclosure and all cables. Still errors. > Then I changed the mainboard (tyan opteron) with one from supermicro (H8SCM-F) with 6-core opteron. Still errors. > Then I changed to ubuntu 10.04 -> 10.10. Still errors > Then I tried different schedulars (noop,anticipatory,cfq,deadline). Still errors. > Then I tried kernel options: noapic + acpi=off without luck. > Then I changed the sata controller with a areca sas (driver: mvsas). Still errors. > Then I tried some different hdds (orig: Western Digital WDC WD2002FYPS + WDC WD2003FYYS; new: Seagate ST3320620NS). Still errors. > Then I tried some different kernel versions from ubuntu without luck: > 2.6.32-22-server > 2.6.35-25-server > > Then I tried self compiled kernels without luck: > 2.6.35.13 > 2.6.38.6 > 2.6.39: same problem occurs but later > > The current configuration: > - tested only 64-bit kernels > - Supermicro H8SCM-F (AMD SR5650+SP5100) with 6-core opteron > - Areca (non-raid) ARC-1300ix-16 sas controller > - SW-RAID6 over 8 Western Digital HDDs (sone WDC WD2002FYPS + some WDC WD2003FYYS) > - redundant PSU > > How to reproduce my problem: > mdadm -C /dev/md3 -l6 -n8 /dev/sd[c-h] missing missing > (the two missing hdds prevent this raid from initial sync) > > Everything is just fine till yet. > Now produce high io-load: > mke2fs -j /dev/md3 > > The detailed history (search for Lars to get my posts): > https://bugs.launchpad.net/ubuntu/+bug/550559 > > The error messages changed a bit during the kernel versions. > The nearly complete dmesg output: > https://launchpadlibrarian.net/72325163/20110524.dmesg.out > > Is there something I do wrong? Could someone help me to debug this? > Thanks > Lars -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
