Hi Neil, On Monday 27 December 2010 21:29:45 Neil Brown wrote: [snip] > It might help if you could provide the complete boot logs so I can see > everything that happened leading up to the partitions not being there. It > would help me see if they were never created, or created then removed. > > The command > blockdev --rereadpt /dev/md/vol0 > should re-detect the partitions for you, so you could try doing something > with that as a temporary fix. > > mdadm does sometime remove partitions, but only on things that it is about > to include in an array, so it shouldn't ever remove the partitions > on /dev/md/vol0. > > So something odd is happening, and more logs are needed to guess what. Here are the logs you've requested. dmesg.1.log has been captured after running mdadm --assemble --scan. dmesg.2.log has been captured after running the same command a second time. -- Regards, Laurent Pinchart
latency timer to 64 [ 2.608368] hda_codec: ALC269: SKU not ready 0x411111f0 [ 2.609511] hda_codec: ALC259: BIOS auto-probing. [ 2.614290] ALSA device list: [ 2.615392] #0: HDA Intel at 0xff87c000 irq 16 [ 2.616456] Netfilter messages via NETLINK v0.30. [ 2.617513] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 2.618973] ctnetlink v0.93: registering with nfnetlink. [ 2.620405] ip_tables: (C) 2000-2006 Netfilter Core Team [ 2.621457] TCP cubic registered [ 2.622486] Initializing XFRM netlink socket [ 2.624323] NET: Registered protocol family 10 [ 2.625192] ata5: SATA link down (SStatus 0 SControl 300) [ 2.627555] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 2.628641] IPv6 over IPv4 tunneling driver [ 2.630448] NET: Registered protocol family 17 [ 2.631482] ehci_hcd 0000:00:1a.0: GetStatus port:1 status 001803 0 ACK POWER sig=j CSC CONNECT [ 2.631485] hub 1-0:1.0: port 1: status 0501 change 0001 [ 2.631505] Registering the dns_resolver key type [ 2.634497] PM: Resume from disk failed. [ 2.634504] registered taskstats version 1 [ 2.635715] Magic number: 6:978:753 [ 2.660204] ehci_hcd 0000:00:1d.0: GetStatus port:1 status 001803 0 ACK POWER sig=j CSC CONNECT [ 2.660214] hub 2-0:1.0: port 1: status 0501 change 0001 [ 2.731053] hub 1-0:1.0: state 7 ports 3 chg 0002 evt 0000 [ 2.731060] hub 1-0:1.0: port 1, status 0501, change 0000, 480 Mb/s [ 2.779022] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 2.779031] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 2.780170] ata2.00: ATA-8: WDC WD2500BEKT-75A25T0, 01.01A01, max UDMA/133 [ 2.780173] ata2.00: 488397168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA [ 2.781404] ata2.00: configured for UDMA/133 [ 2.782114] ehci_hcd 0000:00:1a.0: port 1 high speed [ 2.782117] ehci_hcd 0000:00:1a.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 2.784315] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 2.785885] ata1.00: ATA-8: WDC WD2500BEKT-75A25T0, 01.01A01, max UDMA/133 [ 2.786989] ata1.00: 488397168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA [ 2.788107] ata3.00: ATAPI: PLDS DVD+/-RW DH-16ABS, PD11, max UDMA/100 [ 2.789299] ata1.00: configured for UDMA/133 [ 2.790740] ata3.00: configured for UDMA/100 [ 2.790763] scsi 0:0:0:0: Direct-Access ATA WDC WD2500BEKT-7 01.0 PQ: 0 ANSI: 5 [ 2.791644] sd 0:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/232 GiB) [ 2.791886] sd 0:0:0:0: [sda] Write Protect is off [ 2.791889] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.791932] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 2.792019] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.792238] scsi 1:0:0:0: Direct-Access ATA WDC WD2500BEKT-7 01.0 PQ: 0 ANSI: 5 [ 2.792384] sd 1:0:0:0: [sdb] 488397168 512-byte logical blocks: (250 GB/232 GiB) [ 2.792430] sd 1:0:0:0: Attached scsi generic sg1 type 0 [ 2.792435] sd 1:0:0:0: [sdb] Write Protect is off [ 2.792437] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 2.792456] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.806234] scsi 2:0:0:0: CD-ROM PLDS DVD+-RW DH-16ABS PD11 PQ: 0 ANSI: 5 [ 2.813932] sr0: scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray [ 2.815090] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 2.816504] sr 2:0:0:0: Attached scsi CD-ROM sr0 [ 2.816729] sr 2:0:0:0: Attached scsi generic sg2 type 5 [ 2.821487] sda: sda1 sda2 sda3 [ 2.823104] sd 0:0:0:0: [sda] Attached SCSI disk [ 2.827583] sdb: sdb1 sdb2 sdb3 [ 2.829584] sd 1:0:0:0: [sdb] Attached SCSI disk [ 2.830803] Freeing unused kernel memory: 476k freed [ 2.832053] Write protecting the kernel read-only data: 8192k [ 2.833533] Freeing unused kernel memory: 884k freed [ 2.833753] usb 1-1: new high speed USB device using ehci_hcd and address 2 [ 2.835963] Freeing unused kernel memory: 72k freed [ 2.884938] ehci_hcd 0000:00:1a.0: port 1 high speed [ 2.884941] ehci_hcd 0000:00:1a.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 2.947788] ehci_hcd 0000:00:1a.0: set dev address 2 for port 1 [ 2.947796] ehci_hcd 0000:00:1a.0: LPM: no device attached [ 2.948038] usb 1-1: udev 2, busnum 1, minor = 1 [ 2.948044] usb 1-1: New USB device found, idVendor=8087, idProduct=0020 [ 2.948049] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2.948630] usb 1-1: usb_probe_device [ 2.948634] usb 1-1: configuration #1 chosen from 1 choice [ 2.948775] usb 1-1: adding 1-1:1.0 (config #1, interface 0) [ 2.949022] hub 1-1:1.0: usb_probe_interface [ 2.949028] hub 1-1:1.0: usb_probe_interface - got id [ 2.949029] hub 1-1:1.0: USB hub found [ 2.949159] hub 1-1:1.0: 6 ports detected [ 2.949164] hub 1-1:1.0: standalone hub [ 2.949168] hub 1-1:1.0: individual port power switching [ 2.949173] hub 1-1:1.0: individual port over-current protection [ 2.949175] hub 1-1:1.0: Single TT [ 2.949176] hub 1-1:1.0: TT requires at most 8 FS bit times (666 ns) [ 2.949178] hub 1-1:1.0: Port indicators are supported [ 2.949179] hub 1-1:1.0: power on to power good time: 100ms [ 2.949513] hub 1-1:1.0: local power source is good [ 2.949516] hub 1-1:1.0: enabling power on all ports [ 2.950283] drivers/usb/core/inode.c: creating file '002' [ 2.950313] hub 2-0:1.0: state 7 ports 3 chg 0002 evt 0000 [ 2.950324] hub 2-0:1.0: port 1, status 0501, change 0000, 480 Mb/s [ 3.000863] ehci_hcd 0000:00:1d.0: port 1 high speed [ 3.000867] ehci_hcd 0000:00:1d.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 3.050780] usb 1-1: link qh256-0001/ffff88011e560e80 start 1 [1/0 us] [ 3.051568] usb 2-1: new high speed USB device using ehci_hcd and address 2 [ 3.102686] ehci_hcd 0000:00:1d.0: port 1 high speed [ 3.102689] ehci_hcd 0000:00:1d.0: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [ 3.165534] ehci_hcd 0000:00:1d.0: set dev address 2 for port 1 [ 3.165542] ehci_hcd 0000:00:1d.0: LPM: no device attached [ 3.165826] usb 2-1: udev 2, busnum 2, minor = 129 [ 3.165832] usb 2-1: New USB device found, idVendor=8087, idProduct=0020 [ 3.165837] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.166403] usb 2-1: usb_probe_device [ 3.166405] usb 2-1: configuration #1 chosen from 1 choice [ 3.166520] usb 2-1: adding 2-1:1.0 (config #1, interface 0) [ 3.166772] hub 2-1:1.0: usb_probe_interface [ 3.166777] hub 2-1:1.0: usb_probe_interface - got id [ 3.166779] hub 2-1:1.0: USB hub found [ 3.166886] hub 2-1:1.0: 8 ports detected [ 3.166888] hub 2-1:1.0: standalone hub [ 3.166889] hub 2-1:1.0: individual port power switching [ 3.166890] hub 2-1:1.0: individual port over-current protection [ 3.166892] hub 2-1:1.0: Single TT [ 3.166893] hub 2-1:1.0: TT requires at most 8 FS bit times (666 ns) [ 3.166895] hub 2-1:1.0: Port indicators are supported [ 3.166896] hub 2-1:1.0: power on to power good time: 100ms [ 3.167150] hub 2-1:1.0: local power source is good [ 3.167152] hub 2-1:1.0: enabling power on all ports [ 3.168108] drivers/usb/core/inode.c: creating file '002' [ 3.168136] hub 1-1:1.0: state 7 ports 6 chg 0000 evt 0000 [ 3.267365] hub 2-1:1.0: port 1: status 0101 change 0001 [ 3.267649] hub 2-1:1.0: port 2: status 0101 change 0001 [ 3.268777] hub 2-1:1.0: port 6: status 0101 change 0001 [ 3.269168] hub 2-1:1.0: port 7: status 0101 change 0001 [ 3.369049] usb 2-1: link qh256-0001/ffff88011dc10600 start 1 [1/0 us] [ 3.369121] hub 2-1:1.0: state 7 ports 8 chg 00c6 evt 0000 [ 3.369347] hub 2-1:1.0: port 1, status 0101, change 0000, 12 Mb/s [ 3.380158] hub 2-1:1.0: port 1 not reset yet, waiting 10ms [ 3.442053] usb 2-1.1: new full speed USB device using ehci_hcd and address 3 [ 3.453031] hub 2-1:1.0: port 1 not reset yet, waiting 10ms [ 3.526783] usb 2-1.1: ep0 maxpacket = 8 [ 3.529833] usb 2-1.1: skipped 1 descriptor after interface [ 3.529840] usb 2-1.1: skipped 1 descriptor after interface [ 3.529845] usb 2-1.1: skipped 1 descriptor after interface [ 3.530040] usb 2-1.1: default language 0x0409 [ 3.530817] usb 2-1.1: udev 3, busnum 2, minor = 130 [ 3.530823] usb 2-1.1: New USB device found, idVendor=046d, idProduct=c52b [ 3.530829] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 3.530833] usb 2-1.1: Product: USB Receiver [ 3.530837] usb 2-1.1: Manufacturer: Logitech [ 3.531359] usb 2-1.1: usb_probe_device [ 3.531362] usb 2-1.1: configuration #1 chosen from 1 choice [ 3.532164] usb 2-1.1: adding 2-1.1:1.0 (config #1, interface 0) [ 3.532727] usbhid 2-1.1:1.0: usb_probe_interface [ 3.532733] usbhid 2-1.1:1.0: usb_probe_interface - got id [ 3.534764] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.0/input/input2 [ 3.534790] usb 2-1.1: link qh8-0601/ffff88011dc10400 start 2 [1/2 us] [ 3.535314] generic-usb 0003:046D:C52B.0001: input,hidraw0: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-0000:00:1d.0-1.1/input0 [ 3.535332] usb 2-1.1: adding 2-1.1:1.1 (config #1, interface 1) [ 3.535554] usbhid 2-1.1:1.1: usb_probe_interface [ 3.535557] usbhid 2-1.1:1.1: usb_probe_interface - got id [ 3.537758] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.1/input/input3 [ 3.537776] usb 2-1.1: link qh2-0601/ffff88011dc10300 start 1 [1/2 us] [ 3.538213] usbhid 2-1.1:1.1: looking for a minor, starting at 96 [ 3.538536] generic-usb 0003:046D:C52B.0002: input,hiddev0,hidraw1: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.0-1.1/input1 [ 3.538548] usb 2-1.1: adding 2-1.1:1.2 (config #1, interface 2) [ 3.538800] usbhid 2-1.1:1.2: usb_probe_interface [ 3.538801] usbhid 2-1.1:1.2: usb_probe_interface - got id [ 3.541198] usbhid 2-1.1:1.2: looking for a minor, starting at 96 [ 3.541845] generic-usb 0003:046D:C52B.0003: hiddev0,hidraw2: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.0-1.1/input2 [ 3.541861] drivers/usb/core/inode.c: creating file '003' [ 3.542015] hub 2-1:1.0: port 2, status 0101, change 0000, 12 Mb/s [ 3.552861] hub 2-1:1.0: port 2 not reset yet, waiting 10ms [ 3.614782] usb 2-1.2: new high speed USB device using ehci_hcd and address 4 [ 3.625744] hub 2-1:1.0: port 2 not reset yet, waiting 10ms [ 3.699900] usb 2-1.2: udev 4, busnum 2, minor = 131 [ 3.699906] usb 2-1.2: New USB device found, idVendor=0424, idProduct=2514 [ 3.699911] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.700480] usb 2-1.2: usb_probe_device [ 3.700483] usb 2-1.2: configuration #1 chosen from 1 choice [ 3.700631] usb 2-1.2: adding 2-1.2:1.0 (config #1, interface 0) [ 3.701035] hub 2-1.2:1.0: usb_probe_interface [ 3.701037] hub 2-1.2:1.0: usb_probe_interface - got id [ 3.701039] hub 2-1.2:1.0: USB hub found [ 3.701237] hub 2-1.2:1.0: 4 ports detected [ 3.701242] hub 2-1.2:1.0: standalone hub [ 3.701246] hub 2-1.2:1.0: individual port power switching [ 3.701250] hub 2-1.2:1.0: individual port over-current protection [ 3.701498] hub 2-1.2:1.0: TT per port [ 3.701504] hub 2-1.2:1.0: TT requires at most 8 FS bit times (666 ns) [ 3.701509] hub 2-1.2:1.0: power on to power good time: 100ms [ 3.701882] hub 2-1.2:1.0: local power source is good [ 3.701889] hub 2-1.2:1.0: enabling power on all ports [ 3.702563] drivers/usb/core/inode.c: creating file '004' [ 3.702691] hub 2-1:1.0: port 6, status 0101, change 0000, 12 Mb/s [ 3.713599] hub 2-1:1.0: port 6 not reset yet, waiting 10ms [ 3.775497] usb 2-1.6: new high speed USB device using ehci_hcd and address 5 [ 3.786458] hub 2-1:1.0: port 6 not reset yet, waiting 10ms [ 3.802850] usb 2-1.2: link qh256-0001/ffff88011dc10880 start 4 [1/0 us] [ 3.861010] usb 2-1.6: udev 5, busnum 2, minor = 132 [ 3.861016] usb 2-1.6: New USB device found, idVendor=0424, idProduct=2514 [ 3.861021] usb 2-1.6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.861584] usb 2-1.6: usb_probe_device [ 3.861587] usb 2-1.6: configuration #1 chosen from 1 choice [ 3.861736] usb 2-1.6: adding 2-1.6:1.0 (config #1, interface 0) [ 3.862194] hub 2-1.6:1.0: usb_probe_interface [ 3.862200] hub 2-1.6:1.0: usb_probe_interface - got id [ 3.862204] hub 2-1.6:1.0: USB hub found [ 3.862290] hub 2-1.6:1.0: 4 ports detected [ 3.862292] hub 2-1.6:1.0: standalone hub [ 3.862293] hub 2-1.6:1.0: individual port power switching [ 3.862294] hub 2-1.6:1.0: individual port over-current protection [ 3.862477] hub 2-1.6:1.0: TT per port [ 3.862483] hub 2-1.6:1.0: TT requires at most 8 FS bit times (666 ns) [ 3.862487] hub 2-1.6:1.0: power on to power good time: 100ms [ 3.862815] hub 2-1.6:1.0: local power source is good [ 3.862817] hub 2-1.6:1.0: enabling power on all ports [ 3.863425] drivers/usb/core/inode.c: creating file '005' [ 3.863538] hub 2-1:1.0: port 7, status 0101, change 0000, 12 Mb/s [ 3.874487] hub 2-1:1.0: port 7 not reset yet, waiting 10ms [ 3.936392] usb 2-1.7: new high speed USB device using ehci_hcd and address 6 [ 3.963813] usb 2-1.6: link qh256-0001/ffff88011dc10a00 start 5 [1/0 us] [ 4.005245] hub 2-1:1.0: port 7 not reset yet, waiting 10ms [ 4.138786] usb 2-1.7: default language 0x0409 [ 4.143384] usb 2-1.7: udev 6, busnum 2, minor = 133 [ 4.143390] usb 2-1.7: New USB device found, idVendor=058f, idProduct=6387 [ 4.143396] usb 2-1.7: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 4.143400] usb 2-1.7: Product: Mass Storage [ 4.143404] usb 2-1.7: Manufacturer: Generic [ 4.143407] usb 2-1.7: SerialNumber: 342791EA [ 4.143961] usb 2-1.7: usb_probe_device [ 4.143964] usb 2-1.7: configuration #1 chosen from 1 choice [ 4.144238] usb 2-1.7: adding 2-1.7:1.0 (config #1, interface 0) [ 4.144825] usb-storage 2-1.7:1.0: usb_probe_interface [ 4.144832] usb-storage 2-1.7:1.0: usb_probe_interface - got id [ 4.145052] scsi6 : usb-storage 2-1.7:1.0 [ 4.145862] drivers/usb/core/inode.c: creating file '006' [ 4.145890] hub 2-1:1.0: state 7 ports 8 chg 0000 evt 0040 [ 4.146100] hub 2-1.2:1.0: state 7 ports 4 chg 0000 evt 0000 [ 4.146107] hub 2-1.6:1.0: state 7 ports 4 chg 0000 evt 0000 [ 5.146635] scsi 6:0:0:0: Direct-Access Generic Flash Disk 8.07 PQ: 0 ANSI: 2 [ 5.148355] sd 6:0:0:0: Attached scsi generic sg3 type 0 [ 5.149819] sd 6:0:0:0: [sdc] 1996800 512-byte logical blocks: (1.02 GB/975 MiB) [ 5.150445] sd 6:0:0:0: [sdc] Write Protect is off [ 5.150452] sd 6:0:0:0: [sdc] Mode Sense: 03 00 00 00 [ 5.150457] sd 6:0:0:0: [sdc] Assuming drive cache: write through [ 5.151132] usb-stor-scan used greatest stack depth: 4904 bytes left [ 5.152799] sd 6:0:0:0: [sdc] Assuming drive cache: write through [ 5.234038] sdc: sdc1 [ 5.236341] sd 6:0:0:0: [sdc] Assuming drive cache: write through [ 5.236349] sd 6:0:0:0: [sdc] Attached SCSI removable disk [ 7.031639] md: md127 stopped. [ 7.034484] md: bind<sda> [ 7.034520] md: bind<sdb> [ 7.050977] md: md126 stopped. [ 7.051437] md: bind<sdb> [ 7.051495] md: bind<sda> [ 7.055282] md/raid1:md126: active with 2 out of 2 mirrors [ 7.055296] md126: detected capacity change from 0 to 250056015872
[ 30.239287] md126: p1 p2 p3
