On Tue, 7 Feb 2012 14:50:57 +1100 Richard Herd <2001oddity@xxxxxxxxx> wrote: > Hi Neil, > > OK, git head is: mdadm-3.2.3-21-gda8fe5a > > I have 8 disks. They get muddled about each boot (an issue I have > never addressed). Ignore sde (esata HD) and sdh (usb boot). > > It seems even with --force, dmesg always reports 'kicking non-fresh > sdc/g1 from array!'. Leaving sdg out as suggested by Phil doesn't > help unfortunately. > > root@raven:/neil/mdadm# ./mdadm -Avvv --force > --backup-file=/usb/md0.backup /dev/md0 /dev/sda1 /dev/sdb1 /dev/sdc1 > /dev/sdd1 /dev/sdf1 /dev/sdg1 > mdadm: looking for devices for /dev/md0 > mdadm: /dev/sda1 is identified as a member of /dev/md0, slot 2. > mdadm: /dev/sdb1 is identified as a member of /dev/md0, slot 1. > mdadm: /dev/sdc1 is identified as a member of /dev/md0, slot 3. > mdadm: /dev/sdd1 is identified as a member of /dev/md0, slot 5. > mdadm: /dev/sdf1 is identified as a member of /dev/md0, slot 4. > mdadm: /dev/sdg1 is identified as a member of /dev/md0, slot 0. > mdadm:/dev/md0 has an active reshape - checking if critical section > needs to be restored > mdadm: accepting backup with timestamp 1328559119 for array with > timestamp 1328567549 > mdadm: restoring critical section > mdadm: added /dev/sdg1 to /dev/md0 as 0 > mdadm: added /dev/sda1 to /dev/md0 as 2 > mdadm: added /dev/sdc1 to /dev/md0 as 3 > mdadm: added /dev/sdf1 to /dev/md0 as 4 > mdadm: added /dev/sdd1 to /dev/md0 as 5 > mdadm: added /dev/sdb1 to /dev/md0 as 1 > mdadm: failed to RUN_ARRAY /dev/md0: Input/output error Hmmm.... maybe your kernel isn't quite doing the right thing. commit 674806d62fb02a22eea948c9f1b5e58e0947b728 is important. It is in 2.6.35. What kernel are you running? Definitely something older given the "1: w=1 pa=18...." messages. They disappear in 2.6.34. So I'm afraid you're going to need a new kernel. NeilBrown > > and dmesg: > [13964.591801] md: bind<sdg1> > [13964.595371] md: bind<sda1> > [13964.595668] md: bind<sdc1> > [13964.595900] md: bind<sdf1> > [13964.599084] md: bind<sdd1> > [13964.599652] md: bind<sdb1> > [13964.600478] md: kicking non-fresh sdc1 from array! > [13964.600493] md: unbind<sdc1> > [13964.612138] md: export_rdev(sdc1) > [13964.612163] md: kicking non-fresh sdg1 from array! > [13964.612183] md: unbind<sdg1> > [13964.624077] md: export_rdev(sdg1) > [13964.628203] raid5: reshape will continue > [13964.628243] raid5: device sdb1 operational as raid disk 1 > [13964.628252] raid5: device sdf1 operational as raid disk 4 > [13964.628260] raid5: device sda1 operational as raid disk 2 > [13964.629614] raid5: allocated 6308kB for md0 > [13964.629731] 1: w=1 pa=18 pr=6 m=2 a=2 r=6 op1=0 op2=0 > [13964.629742] 5: w=1 pa=18 pr=6 m=2 a=2 r=6 op1=1 op2=0 > [13964.629751] 4: w=2 pa=18 pr=6 m=2 a=2 r=6 op1=0 op2=0 > [13964.629760] 2: w=3 pa=18 pr=6 m=2 a=2 r=6 op1=0 op2=0 > [13964.629767] raid5: not enough operational devices for md0 (3/6 failed) > [13964.640403] RAID5 conf printout: > [13964.640409] --- rd:6 wd:3 > [13964.640416] disk 1, o:1, dev:sdb1 > [13964.640423] disk 2, o:1, dev:sda1 > [13964.640429] disk 4, o:1, dev:sdf1 > [13964.640436] disk 5, o:1, dev:sdd1 > [13964.641621] raid5: failed to run raid set md0 > [13964.649886] md: pers->run() failed ...
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