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On Wednesday, 19 December 2018 18:46:40 GMT Grant Taylor wrote: |
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> On 12/19/2018 04:43 AM, Mick wrote: |
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|
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> > Partition table holds up to 128 entries |
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> |
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> 128 entries tells me that the disk has GPT partition table, not a |
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> classis MS-DOS / PC-BIOS partition table. |
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> |
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> This sounds like the (what I understand to be) the classic protection |
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> partition that GPT fakes in PC-BIOS partition tables. |
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> |
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> Do you have GPT partition support in your kernel? |
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> |
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> I'm guessing the one partition that you see is the size of the entire drive. |
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> > Main partition table begins at sector 2 and ends at sector 33 |
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> > First usable sector is 34, last usable sector is 1953525134 |
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> > Partitions will be aligned on 2048-sector boundaries |
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> > Total free space is 4770 sectors (2.3 MiB) |
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> > |
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> > Number Start (sector) End (sector) Size Code Name |
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> > |
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> > 1 2048 821247 400.0 MiB 2700 Basic data |
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> > partition |
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> > 2 821248 1353727 260.0 MiB EF00 EFI system |
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> > partition |
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> > 3 1353728 1615871 128.0 MiB 0C01 Microsoft |
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> > reserved |
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> > |
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> > ... |
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> > |
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> > 4 1615872 1911737034 910.8 GiB 0700 Basic data |
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> > partition |
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> > 5 1911738368 1915412479 1.8 GiB 2700 |
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> > 6 1915412480 1953523711 18.2 GiB 0700 Basic data |
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> > partition |
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> > |
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> > I can see partition 4 I was trying to recover, but could not add it: |
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> > |
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> > partx --show --nr 4 /dev/sdb |
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> > NR START END SECTORS SIZE NAME UUID |
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> > |
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> > 4 1615872 1911737034 1910121163 910.8G Basic data partition fea85fb3- |
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> > |
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> > cfdb-4868-a1ad-bab264dad237 |
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> > |
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> > partx --add --nr 4 /dev/sdb |
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> > partx: /dev/sdb: error adding partition 4 |
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> > |
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> > partx --add /dev/sdb |
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> > partx: /dev/sdb: error adding partitions 1-6 |
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> |
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> That really sounds like your kernel doesn't have GPT support (loaded). |
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Grant, you're spot on! |
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Symbol: EFI_PARTITION [=n] |
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I was under the impression I had it enabled, but clearly I hadn't on this PC; |
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which has a legacy BIOS with an MBR disk and which I used for troubleshooting |
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the faulty drive after I removed it from the laptop. Lesson learned. ;-) |
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-- |
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Regards, |
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Mick |
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