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abejarano 12-30-2008 02:46 PM

Volume has problems including no uuid in /dev/disk/by-uuid
Hi and thanks,

I got some help on this problem earlier. (See ). Essentially my Maxtor Maxline 300 GB drive is not recognized properly by the new linux kernels. The drive was originally used in ExPee with NTFS and I believe when I reformatted the partitions to ext3 I did not erase the partitions, I just reformatted the existing partitions. In any case I used to see a complaint when booting that the order of the partitions is not standard. In the MBR the extended partition description is in the fourth position and its content in the third.

sudo parted -l
Model: ATA Maxtor 7L300S0 (scsi)
Disk /dev/sdc: 300GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start End Size Type File system Flags
1 32.3kB 1003MB 1003MB primary linux-swap boot
4 15.0GB 299GB 284GB extended
5 15.0GB 299GB 284GB logical ext3
3 299GB 300GB 921MB primary ext3

sudo sfdisk -l /dev/sdc

Disk /dev/sdc: 36483 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End #cyls #blocks Id System
/dev/sdc1 * 0+ 121 122- 979933+ 82 Linux swap / Solaris
/dev/sdc2 0 - 0 0 0 Empty
/dev/sdc3 36371 36482 112 899640 83 Linux
/dev/sdc4 1823 36370 34548 277506810 5 Extended
/dev/sdc5 1823+ 36370 34548- 277506778+ 83 Linux

From the second output the identifier of the extended partition is MS-DOS extended. Is this part of my problem? Can I edit that table to fix it? Would it be safe to change the order of 3 and 4 in the table or should I just copy my valued data out and repartition and replace it?


syg00 12-30-2008 04:15 PM

Partitions out of order is no intrinsic problem - what does vol_id produce for sdc3 and 5 ?.

abejarano 12-31-2008 07:35 PM

sudo vol_id /dev/sdc3

sudo vol_id /dev/sdc5

syg00 12-31-2008 08:41 PM

And you are mounting sdc5 as ext3 ???.
Mmmmm - I'd be pulling my data off while I still could, and redoing the volume as I wanted it.

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