On Fri, Sep 01, 2006 at 03:19:02PM +0200, Joachim Schipper wrote: > On Fri, Sep 01, 2006 at 02:32:08AM -0500, Robert Jones wrote: > > All - > > > > I am having issues with filesystem corruption on a RAID1 array using > > RAIDframe on OpenBSD 3.7. If I copy a large (500M+) file onto a > > filesystem on the array, the copied file will end up corrupted, other > > files on the filesystem may end up corrupted and fsck will show various > > errors in the filesystem metadata. The drives themselves check out fine > > and are showing no damaged sectors or other problems. Can anyone help me > > identify and fix the problem? > > > > Contents of /etc/raid0.conf, fdisk info and dmesg are below. I'll > > provide any additional information as necessary. > > Disklabel would be useful. Oh, and for the record, upgrade. Not that > that would solve the problem at hand...
Disklabels: $ sudo disklabel wd1 # using MBR partition 3: type A6 off 63 (0x3f) size 781417602 (0x2e937c82) # /dev/rwd1c: type: ESDI disk: ESDI/IDE disk label: WDC WD4000YR-01P flags: bytes/sector: 512 sectors/track: 63 tracks/cylinder: 16 sectors/cylinder: 1008 cylinders: 16383 total sectors: 781422768 rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # microseconds track-to-track seek: 0 # microseconds drivedata: 0 16 partitions: # size offset fstype [fsize bsize cpg] a: 781417602 63 RAID # Cyl 0*-775215* c: 781422768 0 unused 0 0 # Cyl 0 -775220 $ sudo disklabel wd2 # using MBR partition 3: type A6 off 63 (0x3f) size 781417602 (0x2e937c82) # /dev/rwd2c: type: ESDI disk: ESDI/IDE disk label: WDC WD4000YR-01P flags: bytes/sector: 512 sectors/track: 63 tracks/cylinder: 16 sectors/cylinder: 1008 cylinders: 16383 total sectors: 781422768 rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # microseconds track-to-track seek: 0 # microseconds drivedata: 0 16 partitions: # size offset fstype [fsize bsize cpg] a: 781417602 63 RAID # Cyl 0*-775215* c: 781422768 0 unused 0 0 # Cyl 0 -775220 $ sudo disklabel raid0 # /dev/rraid0c: type: RAID disk: raid label: fictitious flags: bytes/sector: 512 sectors/track: 128 tracks/cylinder: 8 sectors/cylinder: 1024 cylinders: 763103 total sectors: 781417472 rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # microseconds track-to-track seek: 0 # microseconds drivedata: 0 16 partitions: # size offset fstype [fsize bsize cpg] a: 629145537 63 4.2BSD 2048 16384 323 # Cyl 0*-614399 b: 20971520 629145600 4.2BSD 2048 16384 323 # Cyl 614400 -634879 c: 781417472 0 unused 0 0 # Cyl 0 -763102 d: 20971520 650117120 4.2BSD 2048 16384 323 # Cyl 634880 -655359 e: 83886080 671088640 4.2BSD 2048 16384 323 # Cyl 655360 -737279 f: 20971520 754974720 4.2BSD 2048 16384 323 # Cyl 737280 -757759 > > ---- > > > > $ cat /etc/raid0.conf > > START array > > 1 2 0 > > > START disks > > /dev/wd1a > > /dev/wd2a > > > > START layout > > 128 1 1 1 > > > > START queue > > FIFO 100 > > That's ok. > > > $ sudo fdisk wd1 > > Disk: wd1 geometry: 48641/255/63 [781417665 Sectors] > > Offset: 0 Signature: 0xAA55 > > Starting Ending LBA Info: > > #: id C H S - C H S [ start: size ] > > > ------------------------------------------------------------------------ > > 0: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused > > 1: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused > > 2: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused > > *3: A6 0 1 1 - 48640 254 63 [ 63: 781417602 ] OpenBSD > > > > $ sudo fdisk wd2 > > Disk: wd2 geometry: 48641/255/63 [781417665 Sectors] > > Offset: 0 Signature: 0xAA55 > > Starting Ending LBA Info: > > #: id C H S - C H S [ start: size ] > > > ------------------------------------------------------------------------ > > 0: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused > > 1: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused > > 2: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused > > *3: A6 0 1 1 - 48640 254 63 [ 63: 781417602 ] OpenBSD > > Ok. > > > $ dmesg > > OpenBSD 3.7 (ORBITAL.SP) #1: Wed Jul 27 01:29:04 PDT 2005 > > [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/ORBITAL.SP > > > Kernelized RAIDframe activated > > raid0 (root): (RAID Level 1) total number of sectors is 781417472 (381551 > > MB) > > dkcsum: wd0 matched BIOS disk 80 > > dkcsum: wd1 had no matching BIOS disk > > dkcsum: wd2 had no matching BIOS disk > > root on wd0a > > rootdev=0x0 rrootdev=0x300 rawdev=0x302 > > raid0: Device already configured! > > Looks a little fishy here, what are you trying to do? In any case, > /etc/raidX.conf is only required with kernels that do not automount, or > with RAID sets that are not configured to be automounted. I usually > rename them to /etc/raidX.autoconf or similar to keep the configuration > in a logical place while not interfering with normal boot. As far as I can tell, that's because I set the array to autoconfigure and left raid0.conf lying around. I've moved that file to a safer name but I don't think it's the cause of the problem. > Anyway, the most likely issue is some size mismatch - say, a swap space > configured in the same place on the disk as your RAID array. I'd check > all disklabels, including that on raid0, with extreme care. > > Joachim
