(Sorry- yes it looks like I posted an incorrect dmesg extract)
$egrep "sd|md|raid|scsi" /var/log/dmesg.0
[ 36.112449] md: linear personality registered for level -1
[ 36.117197] md: multipath personality registered for level -4
[ 36.121795] md: raid0 personality registered for level 0
[ 36.126950] md: raid1 personality registered for level 1
[ 36.131424] raid5: automatically using best checksumming function:
pIII_sse
[ 36.150020] raid5: using function: pIII_sse (4564.000 MB/sec)
[ 36.218015] raid6: int32x1 780 MB/s
[ 36.285943] raid6: int32x2 902 MB/s
[ 36.353961] raid6: int32x4 667 MB/s
[ 36.421869] raid6: int32x8 528 MB/s
[ 36.489811] raid6: mmxx1 1813 MB/s
[ 36.557775] raid6: mmxx2 2123 MB/s
[ 36.625763] raid6: sse1x1 1101 MB/s
[ 36.693717] raid6: sse1x2 1898 MB/s
[ 36.761688] raid6: sse2x1 2227 MB/s
[ 36.829647] raid6: sse2x2 3178 MB/s
[ 36.829695] raid6: using algorithm sse2x2 (3178 MB/s)
[ 36.829744] md: raid6 personality registered for level 6
[ 36.829793] md: raid5 personality registered for level 5
[ 36.829842] md: raid4 personality registered for level 4
[ 36.853475] md: raid10 personality registered for level 10
[ 37.781513] scsi0 : sata_sil
[ 37.781628] scsi1 : sata_sil
[ 37.781724] scsi2 : sata_sil
[ 37.781820] scsi3 : sata_sil
[ 37.781922] ata1: SATA max UDMA/100 cmd 0xf88c0080 ctl 0xf88c008a
bmdma 0xf88c0000 irq 20
[ 37.781997] ata2: SATA max UDMA/100 cmd 0xf88c00c0 ctl 0xf88c00ca
bmdma 0xf88c0008 irq 20
[ 37.782069] ata3: SATA max UDMA/100 cmd 0xf88c0280 ctl 0xf88c028a
bmdma 0xf88c0200 irq 20
[ 37.782142] ata4: SATA max UDMA/100 cmd 0xf88c02c0 ctl 0xf88c02ca
bmdma 0xf88c0208 irq 20
[ 39.577812] scsi 0:0:0:0: Direct-Access ATA WDC WD2500JD-00H
08.0 PQ: 0 ANSI: 5
[ 39.578027] scsi 1:0:0:0: Direct-Access ATA Maxtor 7L250S0
BACE PQ: 0 ANSI: 5
[ 39.578234] scsi 3:0:0:0: Direct-Access ATA Maxtor 7L250S0
BACE PQ: 0 ANSI: 5
[ 39.632483] scsi4 : ata_piix
[ 39.632591] scsi5 : ata_piix
[ 39.632812] ata5: PATA max UDMA/133 cmd 0x000101f0 ctl 0x000103f6
bmdma 0x0001f000 irq 14
[ 39.634522] ata6: PATA max UDMA/133 cmd 0x00010170 ctl 0x00010376
bmdma 0x0001f008 irq 15
[ 39.634924] sd 0:0:0:0: [sda] 488397168 512-byte hardware sectors
(250059 MB)
[ 39.634995] sd 0:0:0:0: [sda] Write Protect is off
[ 39.635048] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 39.635076] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 39.635218] sd 0:0:0:0: [sda] 488397168 512-byte hardware sectors
(250059 MB)
[ 39.635292] sd 0:0:0:0: [sda] Write Protect is off
[ 39.635350] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 39.635380] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 39.635462] sda: sda1 sda2
[ 39.650092] sd 0:0:0:0: [sda] Attached SCSI disk
[ 39.650226] sd 1:0:0:0: [sdb] 490234752 512-byte hardware sectors
(251000 MB)
[ 39.650296] sd 1:0:0:0: [sdb] Write Protect is off
[ 39.650348] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 39.650379] sd 1:0:0:0: [sdb] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 39.650505] sd 1:0:0:0: [sdb] 490234752 512-byte hardware sectors
(251000 MB)
[ 39.650573] sd 1:0:0:0: [sdb] Write Protect is off
[ 39.650625] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 39.650657] sd 1:0:0:0: [sdb] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 39.650727] sdb: sdb1 sdb2
[ 39.667599] sd 1:0:0:0: [sdb] Attached SCSI disk
[ 39.667719] sd 3:0:0:0: [sdc] 490234752 512-byte hardware sectors
(251000 MB)
[ 39.667788] sd 3:0:0:0: [sdc] Write Protect is off
[ 39.667840] sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00
[ 39.667871] sd 3:0:0:0: [sdc] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 39.667997] sd 3:0:0:0: [sdc] 490234752 512-byte hardware sectors
(251000 MB)
[ 39.668064] sd 3:0:0:0: [sdc] Write Protect is off
[ 39.668116] sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00
[ 39.668146] sd 3:0:0:0: [sdc] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 39.668213] sdc: sdc1 sdc2
[ 39.692703] sd 3:0:0:0: [sdc] Attached SCSI disk
[ 39.699348] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 39.699570] sd 1:0:0:0: Attached scsi generic sg1 type 0
[ 39.699786] sd 3:0:0:0: Attached scsi generic sg2 type 0
[ 39.834560] md: md0 stopped.
[ 39.870361] md: bind<sdc1>
[ 39.870527] md: md1 stopped.
[ 39.910999] md: md0 stopped.
[ 39.911064] md: unbind<sdc1>
[ 39.911120] md: export_rdev(sdc1)
[ 39.929760] md: bind<sda1>
[ 39.929953] md: bind<sdc1>
[ 39.930139] md: bind<sdb1>
[ 39.930231] md: md1 stopped.
[ 39.932468] md: bind<sdc2>
[ 39.932674] md: bind<sda2>
[ 39.932860] md: bind<sdb2>
[ 40.411001] scsi 4:0:1:0: CD-ROM LITE-ON DVDRW SOHW-1213S
TS09 PQ: 0 ANSI: 5
[ 40.411152] scsi 4:0:1:0: Attached scsi generic sg3 type 5
[ 40.411657] scsi6 : ata_piix
[ 40.411766] scsi7 : ata_piix
[ 40.411981] ata7: SATA max UDMA/133 cmd 0x0001d000 ctl 0x0001d402
bmdma 0x0001e000 irq 18
[ 40.412050] ata8: SATA max UDMA/133 cmd 0x0001d800 ctl 0x0001dc02
bmdma 0x0001e008 irq 18
[ 40.880062] scsi 6:0:0:0: Direct-Access ATA ST3120026AS
3.05 PQ: 0 ANSI: 5
[ 40.880217] sd 6:0:0:0: [sdd] 234441648 512-byte hardware sectors
(120034 MB)
[ 40.880288] sd 6:0:0:0: [sdd] Write Protect is off
[ 40.880340] sd 6:0:0:0: [sdd] Mode Sense: 00 3a 00 00
[ 40.880367] sd 6:0:0:0: [sdd] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.880504] sd 6:0:0:0: [sdd] 234441648 512-byte hardware sectors
(120034 MB)
[ 40.880572] sd 6:0:0:0: [sdd] Write Protect is off
[ 40.880623] sd 6:0:0:0: [sdd] Mode Sense: 00 3a 00 00
[ 40.880651] sd 6:0:0:0: [sdd] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.880718] sdd: sdd1 sdd2 <<7>ieee1394: Host added:
ID:BUS[0-00:1023] GUID[001485000012704c]
[ 40.908264] sdd5 >
[ 40.908479] sd 6:0:0:0: [sdd] Attached SCSI disk
[ 40.908579] sd 6:0:0:0: Attached scsi generic sg4 type 0
[ 40.908747] scsi 6:0:1:0: Direct-Access ATA Maxtor 7L250S0
BACE PQ: 0 ANSI: 5
[ 40.908899] sd 6:0:1:0: [sde] 490234752 512-byte hardware sectors
(251000 MB)
[ 40.908968] sd 6:0:1:0: [sde] Write Protect is off
[ 40.909020] sd 6:0:1:0: [sde] Mode Sense: 00 3a 00 00
[ 40.909050] sd 6:0:1:0: [sde] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.909174] sd 6:0:1:0: [sde] 490234752 512-byte hardware sectors
(251000 MB)
[ 40.909243] sd 6:0:1:0: [sde] Write Protect is off
[ 40.909294] sd 6:0:1:0: [sde] Mode Sense: 00 3a 00 00
[ 40.909324] sd 6:0:1:0: [sde] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.909391] sde: sde1 sde2
[ 40.930218] sd 6:0:1:0: [sde] Attached SCSI disk
[ 40.930318] sd 6:0:1:0: Attached scsi generic sg5 type 0
[ 40.930480] scsi 7:0:0:0: Direct-Access ATA WDC WD2500JD-00H
08.0 PQ: 0 ANSI: 5
[ 40.930621] sd 7:0:0:0: [sdf] 488397168 512-byte hardware sectors
(250059 MB)
[ 40.930689] sd 7:0:0:0: [sdf] Write Protect is off
[ 40.930742] sd 7:0:0:0: [sdf] Mode Sense: 00 3a 00 00
[ 40.930769] sd 7:0:0:0: [sdf] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.930894] sd 7:0:0:0: [sdf] 488397168 512-byte hardware sectors
(250059 MB)
[ 40.930963] sd 7:0:0:0: [sdf] Write Protect is off
[ 40.931015] sd 7:0:0:0: [sdf] Mode Sense: 00 3a 00 00
[ 40.931044] sd 7:0:0:0: [sdf] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.931111] sdf: sdf1 sdf2
[ 40.948846] sd 7:0:0:0: [sdf] Attached SCSI disk
[ 40.948946] sd 7:0:0:0: Attached scsi generic sg6 type 0
[ 40.949106] scsi 7:0:1:0: Direct-Access ATA WDC WD2500JS-00M
02.0 PQ: 0 ANSI: 5
[ 40.949248] sd 7:0:1:0: [sdg] 488397168 512-byte hardware sectors
(250059 MB)
[ 40.949317] sd 7:0:1:0: [sdg] Write Protect is off
[ 40.949368] sd 7:0:1:0: [sdg] Mode Sense: 00 3a 00 00
[ 40.949396] sd 7:0:1:0: [sdg] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.949519] sd 7:0:1:0: [sdg] 488397168 512-byte hardware sectors
(250059 MB)
[ 40.949588] sd 7:0:1:0: [sdg] Write Protect is off
[ 40.949640] sd 7:0:1:0: [sdg] Mode Sense: 00 3a 00 00
[ 40.949668] sd 7:0:1:0: [sdg] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 40.949734] sdg: sdg1 sdg2
[ 40.969827] sd 7:0:1:0: [sdg] Attached SCSI disk
[ 40.969926] sd 7:0:1:0: Attached scsi generic sg7 type 0
[ 40.995542] sr0: scsi3-mmc drive: 12x/12x writer cd/rw xa/form2 cdda tray
[ 40.995965] sr 4:0:1:0: Attached scsi CD-ROM sr0
[ 41.206078] md: md0 stopped.
[ 41.206137] md: unbind<sdb1>
[ 41.206187] md: export_rdev(sdb1)
[ 41.206253] md: unbind<sdc1>
[ 41.206302] md: export_rdev(sdc1)
[ 41.206360] md: unbind<sda1>
[ 41.206408] md: export_rdev(sda1)
[ 41.247389] md: bind<sdf1>
[ 41.247584] md: bind<sdb1>
[ 41.247787] md: bind<sda1>
[ 41.247971] md: bind<sdc1>
[ 41.248151] md: bind<sdg1>
[ 41.248325] md: bind<sde1>
[ 41.256718] raid5: device sde1 operational as raid disk 0
[ 41.256771] raid5: device sdc1 operational as raid disk 4
[ 41.256821] raid5: device sda1 operational as raid disk 3
[ 41.256870] raid5: device sdb1 operational as raid disk 2
[ 41.256919] raid5: device sdf1 operational as raid disk 1
[ 41.257426] raid5: allocated 5245kB for md0
[ 41.257476] raid5: raid level 5 set md0 active with 5 out of 5
devices, algorithm 2
[ 41.257631] disk 0, o:1, dev:sde1
[ 41.257677] disk 1, o:1, dev:sdf1
[ 41.257724] disk 2, o:1, dev:sdb1
[ 41.257771] disk 3, o:1, dev:sda1
[ 41.257817] disk 4, o:1, dev:sdc1
[ 41.257952] md: md1 stopped.
[ 41.258009] md: unbind<sdb2>
[ 41.258060] md: export_rdev(sdb2)
[ 41.258128] md: unbind<sda2>
[ 41.258179] md: export_rdev(sda2)
[ 41.258248] md: unbind<sdc2>
[ 41.258306] md: export_rdev(sdc2)
[ 41.283067] md: bind<sdc2>
[ 41.283297] md: bind<sda2>
[ 41.285235] md: bind<sdb2>
[ 41.306753] md: md1 stopped.
[ 41.306818] md: unbind<sdb2>
[ 41.306878] md: export_rdev(sdb2)
[ 41.306956] md: unbind<sda2>
[ 41.307007] md: export_rdev(sda2)
[ 41.307075] md: unbind<sdc2>
[ 41.307130] md: export_rdev(sdc2)
[ 41.312250] md: bind<sdf2>
[ 41.312476] md: bind<sdb2>
[ 41.312711] md: bind<sdg2>
[ 41.312922] md: bind<sdc2>
[ 41.313138] md: bind<sda2>
[ 41.313343] md: bind<sde2>
[ 41.313452] md: md1: raid array is not clean -- starting background
reconstruction
[ 41.322189] raid5: device sde2 operational as raid disk 0
[ 41.322243] raid5: device sdc2 operational as raid disk 4
[ 41.322292] raid5: device sdg2 operational as raid disk 3
[ 41.322342] raid5: device sdb2 operational as raid disk 2
[ 41.322391] raid5: device sdf2 operational as raid disk 1
[ 41.322823] raid5: allocated 5245kB for md1
[ 41.322872] raid5: raid level 5 set md1 active with 5 out of 5
devices, algorithm 2
[ 41.323026] disk 0, o:1, dev:sde2
[ 41.323073] disk 1, o:1, dev:sdf2
[ 41.323119] disk 2, o:1, dev:sdb2
[ 41.323165] disk 3, o:1, dev:sdg2
[ 41.323212] disk 4, o:1, dev:sdc2
[ 41.323316] md: resync of RAID array md1
[ 41.323364] md: minimum _guaranteed_ speed: 1000 KB/sec/disk.
[ 41.323415] md: using maximum available idle IO bandwidth (but not
more than 200000 KB/sec) for resync.
[ 41.323492] md: using 128k window, over a total of 231978496 blocks.
[ 50.321199] EXT3-fs: sdd1: orphan cleanup on readonly fs
[ 50.321323] EXT3-fs: sdd1: 5 orphan inodes deleted
[ 66.616890] Adding 3004112k swap on /dev/sdd5. Priority:-1 extents:1
across:3004112k
[ 66.773498] EXT3 FS on sdd1, internal journal
Neil Brown wrote:
On Thursday January 10, [EMAIL PROTECTED] wrote:
distro: Ubuntu 7.10
Two files show up...
85-mdadm.rules:
# This file causes block devices with Linux RAID (mdadm) signatures to
# automatically cause mdadm to be run.
# See udev(8) for syntax
SUBSYSTEM=="block", ACTION=="add|change", ENV{ID_FS_TYPE}=="linux_raid*", \
RUN+="watershed /sbin/mdadm --assemble --scan --no-degraded"
....
I see. So udev is invoking the assemble command as soon as it detects
the devices. So is it possible that the spare is not the last drive to
be detected and mdadm assembles too soon?
The "--no-degraded' should stop it from assembling until all expected
devices have been found. It could assemble before the spare is found,
but should not assemble before all the data devices have been found.
The "dmesg" trace you included in your first mail doesn't actually
show anything wrong - it never starts and incomplete array.
Can you try again and get a trace where there definitely is a rebuild
happening.
And please don't drop linux-raid from the 'cc' list.
NeilBrown
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