On Sat, Apr 23, 2011 at 3:51 PM, NeilBrown <neilb@xxxxxxx> wrote: > On Sat, 23 Apr 2011 10:19:31 -0600 John Valarti <mdadmuser@xxxxxxxxx> wrote: > >> On Sat, Apr 23, 2011 at 2:48 AM, NeilBrown <neilb@xxxxxxx> wrote: >> >> No luck >> >> Same thing: >> >> "no devices found.." >> > >> > I'm sure it said more than just that. Complete error messages really are >> > helpful.. >> > >> > But the implication seems to be that /dev/sd[acd] don't exist... That is >> > weird. >> > What does "cat /proc/partitions" show? >> > If e.g. sda is there but sda2 is not, does "blockdev --rereadpt /dev/sda" >> > help? >> > >> > NeilBrown >> >> They exist. >> I have physically removed the dead drive, so now the 3 remaining ones >> are at sd[abc] >> I have a usb thumb drive plugged in to capture outputs as needed, it is sdd. >> blockdev does not seem to exist on this system. >> >> If useful I now have some more of the same 250GB drives, and I can >> plug one in to the sdb port and make partitions on it, and so on.. >> >> For example fdisk -l shows all my partitions. I also show the output >> you asked for proc/partitions: >> >> Disk /dev/sda: 251.0 GB, 251000193024 bytes >> 255 heads, 63 sectors/track, 30515 cylinders >> Units = cylinders of 16065 * 512 = 8225280 bytes >> >> Device Boot Start End Blocks Id System >> /dev/sda1 * 1 17 136521 fd Linux raid autodetect >> /dev/sda2 18 30515 244975185 fd Linux raid autodetect >> >> Disk /dev/sdb: 251.0 GB, 251000193024 bytes >> 255 heads, 63 sectors/track, 30515 cylinders >> Units = cylinders of 16065 * 512 = 8225280 bytes >> >> Device Boot Start End Blocks Id System >> /dev/sdb1 * 1 17 136521 fd Linux raid autodetect >> /dev/sdb2 18 30515 244975185 fd Linux raid autodetect >> >> Disk /dev/sdc: 251.0 GB, 251000193024 bytes >> 255 heads, 63 sectors/track, 30515 cylinders >> Units = cylinders of 16065 * 512 = 8225280 bytes >> >> Device Boot Start End Blocks Id System >> /dev/sdc1 * 1 17 136521 fd Linux raid autodetect >> /dev/sdc2 18 30515 244975185 fd Linux raid autodetect >> >> Disk /dev/sdd: 1039 MB, 1039663104 bytes >> 255 heads, 63 sectors/track, 126 cylinders >> Units = cylinders of 16065 * 512 = 8225280 bytes >> >> Device Boot Start End Blocks Id System >> /dev/sdd1 * 1 127 1015264+ c W95 FAT32 (LBA) >> Partition 1 has different physical/logical endings: >> phys=(125, 254, 63) logical=(126, 101, 39) >> =================================== >> major minor #blocks name >> >> 7 0 111000 loop0 >> 8 0 245117376 sda >> 8 1 136521 sda1 >> 8 2 244975185 sda2 >> 8 16 245117376 sdb >> 8 17 136521 sdb1 >> 8 18 244975185 sdb2 >> 8 32 245117376 sdc >> 8 33 136521 sdc1 >> 8 34 244975185 sdc2 >> 8 48 1015296 sdd >> 8 49 1015264 sdd1 >> >> -- >> John > > > I really cannot help you until you show me the output of "mdadm --assemble > --verbose ..." like I asked. > > NeilBrown > I really WAS NOT lying! I just did it again, and redirected output to a file The file ( located on my USB stick) contains: mdadm: looking for devices for /dev/md1 mdadm: no devices found for /dev/md1 -- John -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html