On 10/02/2011 12:05 PM, Marcin M. Jessa wrote: > > Hi guys. > > My RAID array just kicked out one of the drives again at heavy activity > running: > # ddrescue -n -f /dev/fridge/storage storage.img ddrescue.log > where the /dev/fridge/storage LV Size is 4.88 TiB > > What's strange is the device is there: > brw-rw---- 1 root disk 8, 144 Oct 2 11:48 /dev/sdj > > But the /dev/sdj1 which should hold Linux raid autodetect partition > just disappeared... > > # fdisk -l /dev/sdj > > Disk /dev/sdj: 2000.4 GB, 2000398934016 bytes > 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors > Units = sectors of 1 * 512 = 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x00000000 > > Device Boot Start End Blocks Id System > /dev/sdj1 63 3907029167 1953514552+ fd Linux raid > autodetect > > > Is this a normal behavior? I don't understand either why the heck is > the RAID degrading all the time ? > I replaced all the cables with SATA3 cables, the BIOS is updated, both > the motherboard and the drives are SATA3 and brand new. > > I could not find anything about the RAID being degraded or the device > having problems in dmesg, /var/log/messages, /var/log/syslog or > /var/log/kern.log > > > I'm on Debian Wheezy > # uname -a > Linux odin 3.0.0-1-amd64 #1 SMP Sat Aug 27 16:21:11 UTC 2011 x86_64 > GNU/Linux > OK, this is strange, /dev/sdj shows a different End and Blocks value then all the other drives in the array. Any idea why this would be happening and what to do? Is that /dev/sdj HD somehow unsafe and degraded? # fdisk -l /dev/sdj Disk /dev/sdj: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdj1 63 3907029167 1953514552+ fd Linux raid autodetect # fdisk -l /dev/sdk Disk /dev/sdk: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdk1 63 3907024064 1953512001 fd Linux raid autodetect -- 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