On Tue, Jul 23, 2013 at 11:46 AM, Francis Moreau <francis.moro@xxxxxxxxx> wrote:
> Hello,
>
> I'm using a RAID1 with DDF metadata format. The array has been
> initialized by the bios and contains my root partition.
>
> After booting I waited for the RAID1 array to finish syncing then rebooting.
>
> Then I rebooted but the sync restarts again:
>
> # cat /proc/mdstat
> Personalities : [raid1]
> md126 : active raid1 sdb[1] sda[0]
> 975585280 blocks super external:/md127/0 [2/2] [UU]
> [=>...................] resync = 7.3% (71783424/975585280)
> finish=112.1min speed=134299K/sec
>
> md127 : inactive sdb[1](S) sda[0](S)
> 2354608 blocks super external:ddf
>
> unused devices: <none>
>
> Could anybody tell me what's happening ?
>
More information taken from kernel logs:
[ 2.175802] SCSI subsystem initialized
[ 2.178912] libata version 3.00 loaded.
[ 2.184876] isci: Intel(R) C600 SAS Controller Driver - version 1.1.0
[ 2.185057] isci 0000:0e:00.0: driver configured for rev: 6 silicon
[ 2.185212] isci 0000:0e:00.0: OEM SAS parameters (version: 1.3)
loaded (firmware)
[ 2.188451] isci 0000:0e:00.0: SCU controller 0: phy 3-0 cables:
{short, short, short, short}
[ 2.191041] scsi0 : isci
[ 2.191755] isci 0000:0e:00.0: irq 71 for MSI/MSI-X
[ 2.191764] isci 0000:0e:00.0: irq 72 for MSI/MSI-X
[ 2.442020] Refined TSC clocksource calibration: 1799.999 MHz.
[ 2.442059] sas: phy-0:0 added to port-0:0, phy_mask:0x1 (5fcfffff00000001)
[ 2.442141] Switching to clocksource tsc
[ 2.491953] sas: DOING DISCOVERY on port 0, pid:5
[ 2.491976] sas: DONE DISCOVERY on port 0, pid:5, result:0
[ 2.491985] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[ 2.492191] sas: ata1: end_device-0:0: dev error handler
[ 2.842323] ata1.00: ATA-8: ST1000NM0011 81Y9807
81Y3867IBM, BB4A, max UDMA/133
[ 2.842469] ata1.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 2.843622] ata1.00: configured for UDMA/133
[ 2.843791] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0
[ 2.861663] scsi 0:0:0:0: Direct-Access ATA ST1000NM0011
BB4A PQ: 0 ANSI: 5
[ 2.865250] ahci 0000:00:1f.2: version 3.0
[ 2.865352] ahci 0000:00:1f.2: irq 73 for MSI/MSI-X
[ 2.865408] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 1.5
Gbps 0x1 impl SATA mode
[ 2.865555] ahci 0000:00:1f.2: flags: 64bit ncq sntf led clo pio
slum part ems apst
[ 2.865700] ahci 0000:00:1f.2: setting latency timer to 64
[ 2.866183] scsi1 : ahci
[ 2.866466] scsi2 : ahci
[ 2.866746] scsi3 : ahci
[ 2.867032] scsi4 : ahci
[ 2.867316] scsi5 : ahci
[ 2.867562] scsi6 : ahci
[ 2.867722] ata2: SATA max UDMA/133 abar m2048@0x902ff000 port
0x902ff100 irq 73
[ 2.867865] ata3: DUMMY
[ 2.867973] ata4: DUMMY
[ 2.868081] ata5: DUMMY
[ 2.868188] ata6: DUMMY
[ 2.868296] ata7: DUMMY
[ 3.210812] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 3.211262] ata2.00: ATAPI: IBM SATA DEVICE 81Y3666, IB00, max UDMA/100
[ 3.212441] ata2.00: configured for UDMA/100
[ 3.214231] scsi 1:0:0:0: CD-ROM IBM SATA DEVICE 81Y3666
IB00 PQ: 0 ANSI: 5
[ 3.284669] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks:
(1.00 TB/931 GiB)
[ 3.284855] sd 0:0:0:0: [sda] Write Protect is off
[ 3.284970] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 3.285008] sd 0:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 3.402209] md: bind<sda>
[ 3.408409] md: bind<sda>
[ 3.430547] sas: phy-0:1 added to port-0:1, phy_mask:0x2 (5fcfffff00000002)
[ 3.430564] sas: DOING DISCOVERY on port 1, pid:88
[ 3.430647] sas: DONE DISCOVERY on port 1, pid:88, result:0
[ 3.430694] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[ 3.430741] sas: ata1: end_device-0:0: dev error handler
[ 3.430754] sas: ata8: end_device-0:1: dev error handler
[ 3.660124] usb 1-1: new high-speed USB device number 2 using ehci_hcd
[ 3.810483] usb 1-1: New USB device found, idVendor=8087, idProduct=0024
[ 3.810605] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.811114] hub 1-1:1.0: USB hub found
[ 3.811313] hub 1-1:1.0: 6 ports detected
[ 3.850059] ata8.00: ATA-8: WD1003FBYX-23 81Y9807
81Y3867IBM, WB35, max UDMA/133
[ 3.850207] ata8.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 3.851914] ata8.00: configured for UDMA/133
[ 3.852068] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0
[ 3.870029] scsi 0:0:1:0: Direct-Access ATA WD1003FBYX-23
n/a PQ: 0 ANSI: 5
[ 3.870326] sd 0:0:1:0: [sdb] 1953525168 512-byte logical blocks:
(1.00 TB/931 GiB)
[ 3.870710] sd 0:0:1:0: [sdb] Write Protect is off
[ 3.870827] sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
[ 3.870862] sd 0:0:1:0: [sdb] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 3.899616] sdb: sdb1 sdb2 < sdb5 sdb6 >
[ 3.900677] sd 0:0:1:0: [sdb] Attached SCSI disk
[ 3.929662] usb 2-1: new high-speed USB device number 2 using ehci_hcd
[ 3.976356] md: bind<sdb>
[ 3.980302] md: bind<sdb>
[ 3.980487] md: export_rdev(sda)
[ 3.982381] md: raid1 personality registered for level 1
[ 3.982798] bio: create slab <bio-1> at 1
[ 3.983026] md/raid1:md126: not clean -- starting background reconstruction
[ 3.983155] md/raid1:md126: active with 2 out of 2 mirrors
[ 3.983288] md126: detected capacity change from 0 to 998999326720
[ 3.984714] md126: p1 p2 < p5 p6 >
[ 4.362728] md: md126 switched to read-write mode.
[ 4.362980] md: resync of RAID array md126
[ 4.363107] md: minimum _guaranteed_ speed: 1000 KB/sec/disk.
[ 4.363224] md: using maximum available idle IO bandwidth (but not
more than 200000 KB/sec) for resync.
[ 4.363437] md: using 128k window, over a total of 975585280k.
Thanks
--
Francis
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