On Wed, 4 Apr 2012 08:15:57 -0300 Salatiel Filho <salatiel.filho@xxxxxxxxx> wrote: > I am having a big problem trying to assemble my raid. > I can assemble just fine in the old machine (LINUX ARM) where i built > the raid in the first place, but i am just unable to do in other > machine (Linux mips). I have no mdadm.conf in both machines. > I got the following error: > > # mdadm -A /dev/md0 /dev/sda2 /dev/sdb2 /dev/sdc2 > mdadm: no recogniseable superblock on /dev/sda2 > mdadm: /dev/sda2 has no superblock - assembly aborted > > # cat /var/log/messages | tail > > Apr 4 08:08:32 (none) kernel: [ 8577.010000] scsi_verify_blk_ioctl: 4 > callbacks suppressed > Apr 4 08:08:32 (none) kernel: [ 8577.020000] mdadm: sending ioctl > 400c0910 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.020000] mdadm: sending ioctl > 400c0910 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.030000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.040000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.050000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.050000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.270000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:32 (none) kernel: [ 8577.280000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:33 (none) kernel: [ 8577.290000] mdadm: sending ioctl > 20001261 to a partition! > Apr 4 08:08:33 (none) kernel: [ 8577.290000] mdadm: sending ioctl > 20001261 to a partition! > > # fdisk -l /dev/sda > > Disk /dev/sda: 1500.3 GB, 1500301910016 bytes > 255 heads, 63 sectors/track, 182401 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sda1 1 13055 104857600 83 Linux > /dev/sda2 13055 182402 1360279960 fd Linux raid autodetect > > > # fdisk -l /dev/sdb > > Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes > 255 heads, 63 sectors/track, 182401 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdb1 1 13055 104857600 83 Linux > Partition 1 does not end on cylinder boundary > /dev/sdb2 13055 182402 1360279960 fd Linux raid autodetect > Partition 2 does not end on cylinder boundary > > # fdisk -l /dev/sdc > > Disk /dev/sdc: 1500.3 GB, 1500301910016 bytes > 255 heads, 63 sectors/track, 182401 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdc1 1 13055 104857600 83 Linux > /dev/sdc2 13055 182402 1360279960 fd Linux raid autodetect > > > # cat /proc/mdstat > Personalities : [raid1] [raid6] [raid5] [raid4] > unused devices: <none> > > > > # lsmod | grep -i 'md\|raid' > raid456 47584 0 > async_raid6_recov 896 1 raid456 > async_pq 1536 1 raid456 > raid6_pq 74752 2 async_raid6_recov,async_pq > async_xor 976 2 raid456,async_pq > async_memcpy 560 1 raid456 > async_tx 832 5 > raid456,async_raid6_recov,async_pq,async_xor,async_memcpy > raid1 24304 0 > md_mod 88816 2 raid456,raid1 > md5 1424 0 > crypto_hash 7888 3 dm_crypt,sha1_generic,md5 > > > > # uname -a > > Linux router 3.2.9 #16 Sun Mar 25 16:31:49 BRT 2012 mips GNU/Linux > > > Any help ? ARM is little-endian MIPS ?? is that bigendian? What does mdadm -E --metadata=0.swap /dev/sda2 report? If it is something useful, then try adding --update=byteorder to the "mdadm -A" command. NeilBrown
Attachment:
signature.asc
Description: PGP signature
