On 09/04/2015 03:40 PM, Patrick Dupre wrote:
Hello,
I tried to modified a partition table by using fdisk, but it
failed. Now I am in trouble. I setup the disk inside an external usb enclosure
and try to access it.
After I turn the enclosure on, I only have a short time to interact with
the disk (maybe 15 s).
During this time I can make a fdisk and I get:
Omitting partitions after #60. They will be deleted if you save this partition table.
Disk /dev/sdd: 465.8 GiB, 500107862016 bytes, 976773168 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
Disklabel type: dos
Disk identifier: 0x000bf5b4
Device Boot Start End Sectors Size Id Type
/dev/sdd1 4096 26617855 26613760 12.7G 7 HPFS/NTFS/exFAT
/dev/sdd2 26619705 38909429 12289725 5.9G 7 HPFS/NTFS/exFAT
/dev/sdd3 38909430 49142834 10233405 4.9G 7 HPFS/NTFS/exFAT
/dev/sdd4 49142835 976768064 927625230 442.3G 5 Extended
/dev/sdd5 49142898 98301734 49158837 23.5G 82 Linux swap / Solaris
/dev/sdd6 98304000 99327999 1024000 500M 83 Linux
/dev/sdd7 99330048 190466639 91136592 43.5G 83 Linux
/dev/sdd8 190466703 251915264 61448562 29.3G 83 Linux
/dev/sdd9 251915328 309267314 57351987 27.4G 83 Linux
/dev/sdd10 309270528 461461503 152190976 72.6G 83 Linux
/dev/sdd11 98304000 99327999 1024000 500M 83 Linux
/dev/sdd12 99330048 190466639 91136592 43.5G 83 Linux
/dev/sdd13 190466703 251915264 61448562 29.3G 83 Linux
[SNIPPED]
Partition table entries are not in disk order.
Here is the previous partition table:
Disk /dev/sdb: 465.8 GiB, 500107862016 bytes, 976773168 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
Disklabel type: dos
Disk identifier: 0x000bf5b4
Device Boot Start End Blocks Id System
/dev/sdb1 4096 26617855 13306880 7 HPFS/NTFS/exFAT
/dev/sdb2 26619705 38909429 6144862+ 7 HPFS/NTFS/exFAT
/dev/sdb3 38909430 49142834 5116702+ 7 HPFS/NTFS/exFAT
/dev/sdb4 49142835 976768064 463812615 5 Extended
/dev/sdb5 49142898 98301734 24579418+ 82 Linux swap / Solaris
/dev/sdb6 * 98301798 112647779 7172991 83 Linux
/dev/sdb7 112647843 190466639 38909398+ 83 Linux
/dev/sdb8 190466703 251915264 30724281 83 Linux
/dev/sdb9 251915328 309267314 28675993+ 83 Linux
/dev/sdb10 309270528 461461503 76095488 83 Linux
How, can I fix this partition table (actually only 2 partitions : 6 and 7)
are wrong.
To force the partition table back into that previous state, first
put the following text into a file goodparts.txt :
###################################
unit: sectors
/dev/sde1 : start= 4096, size= 26613760, Id= 7
/dev/sde2 : start= 26619705, size= 12289725, Id= 7
/dev/sde3 : start= 38909430, size= 10233405, Id= 7
/dev/sde4 : start= 49142835, size=927625230, Id= 5
/dev/sde5 : start= 49142898, size= 49158837, Id=82
/dev/sde6 : start= 98301798, size= 14345982, Id=83, bootable
/dev/sde7 : start=112647843, size= 77818797, Id=83
/dev/sde8 : start=190466703, size= 61448562, Id=83
/dev/sde9 : start=251915328, size= 57351987, Id=83
/dev/sde10: start=309270528, size=152190976, Id=83
###################################
Then, start up the drive, and as soon as it becomes ready run:
sfdisk --force /dev/sdd <goodparts.txt
Be absolutely certain that the drive is coming up as /dev/sdd,
because sfdisk will happily overwrite the partitioning of whatever
drive you say.
--
Bob Nichols "NOSPAM" is really part of my email address.
Do NOT delete it.
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