From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Valarti Subject: =?UTF-8?Q?Re=3A_Server_down=2Dfail=E2=80=8Bed_RAID5=2Dasking_for_some_assi?= =?UTF-8?Q?stance?= Date: Sat, 23 Apr 2011 18:07:37 -0600 Message-ID: References: <20110422125734.1a68a736@notabene.brown> <20110423074411.78fef94f@notabene.brown> <20110423184824.55ee7893@notabene.brown> <20110424075101.6763309f@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20110424075101.6763309f@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: NeilBrown , linux-raid@vger.kernel.org List-Id: linux-raid.ids On Sat, Apr 23, 2011 at 3:51 PM, NeilBrown wrote: > On Sat, 23 Apr 2011 10:19:31 -0600 John Valarti = wrote: > >> On Sat, Apr 23, 2011 at 2:48 AM, NeilBrown wrote: >> >> No luck >> >> Same thing: >> >> "no devices found.." >> > >> > I'm sure it said more than just that. =A0Complete error messages r= eally are >> > helpful.. >> > >> > But the implication seems to be that /dev/sd[acd] don't exist... T= hat is >> > weird. >> > What does "cat /proc/partitions" show? >> > If e.g. =A0sda 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 one= s >> 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 =3D cylinders of 16065 * 512 =3D 8225280 bytes >> >> =A0 =A0Device Boot =A0 =A0 =A0Start =A0 =A0 =A0 =A0 End =A0 =A0 =A0B= locks =A0 Id =A0System >> /dev/sda1 =A0 * =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 =A0 =A017 =A0 =A0 = =A0136521 =A0 fd =A0Linux raid autodetect >> /dev/sda2 =A0 =A0 =A0 =A0 =A0 =A0 =A018 =A0 =A0 =A0 30515 =A0 244975= 185 =A0 fd =A0Linux raid autodetect >> >> Disk /dev/sdb: 251.0 GB, 251000193024 bytes >> 255 heads, 63 sectors/track, 30515 cylinders >> Units =3D cylinders of 16065 * 512 =3D 8225280 bytes >> >> =A0 =A0Device Boot =A0 =A0 =A0Start =A0 =A0 =A0 =A0 End =A0 =A0 =A0B= locks =A0 Id =A0System >> /dev/sdb1 =A0 * =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 =A0 =A017 =A0 =A0 = =A0136521 =A0 fd =A0Linux raid autodetect >> /dev/sdb2 =A0 =A0 =A0 =A0 =A0 =A0 =A018 =A0 =A0 =A0 30515 =A0 244975= 185 =A0 fd =A0Linux raid autodetect >> >> Disk /dev/sdc: 251.0 GB, 251000193024 bytes >> 255 heads, 63 sectors/track, 30515 cylinders >> Units =3D cylinders of 16065 * 512 =3D 8225280 bytes >> >> =A0 =A0Device Boot =A0 =A0 =A0Start =A0 =A0 =A0 =A0 End =A0 =A0 =A0B= locks =A0 Id =A0System >> /dev/sdc1 =A0 * =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 =A0 =A017 =A0 =A0 = =A0136521 =A0 fd =A0Linux raid autodetect >> /dev/sdc2 =A0 =A0 =A0 =A0 =A0 =A0 =A018 =A0 =A0 =A0 30515 =A0 244975= 185 =A0 fd =A0Linux raid autodetect >> >> Disk /dev/sdd: 1039 MB, 1039663104 bytes >> 255 heads, 63 sectors/track, 126 cylinders >> Units =3D cylinders of 16065 * 512 =3D 8225280 bytes >> >> =A0 =A0Device Boot =A0 =A0 =A0Start =A0 =A0 =A0 =A0 End =A0 =A0 =A0B= locks =A0 Id =A0System >> /dev/sdd1 =A0 * =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =A0 =A0 127 =A0 =A0 10= 15264+ =A0 c =A0W95 FAT32 (LBA) >> Partition 1 has different physical/logical endings: >> =A0 =A0 =A0phys=3D(125, 254, 63) logical=3D(126, 101, 39) >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> major minor =A0#blocks =A0name >> >> =A0 =A07 =A0 =A0 0 =A0 =A0 111000 loop0 >> =A0 =A08 =A0 =A0 0 =A0245117376 sda >> =A0 =A08 =A0 =A0 1 =A0 =A0 136521 sda1 >> =A0 =A08 =A0 =A0 2 =A0244975185 sda2 >> =A0 =A08 =A0 =A016 =A0245117376 sdb >> =A0 =A08 =A0 =A017 =A0 =A0 136521 sdb1 >> =A0 =A08 =A0 =A018 =A0244975185 sdb2 >> =A0 =A08 =A0 =A032 =A0245117376 sdc >> =A0 =A08 =A0 =A033 =A0 =A0 136521 sdc1 >> =A0 =A08 =A0 =A034 =A0244975185 sdc2 >> =A0 =A08 =A0 =A048 =A0 =A01015296 sdd >> =A0 =A08 =A0 =A049 =A0 =A01015264 sdd1 >> >> -- >> John > > > I really cannot help you until you show me the output of "mdadm --ass= emble > --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" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html