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mathfeel
l33t
Joined: 03 Aug 2004
Posts: 700
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 Posted: Wed Aug 18, 2010 9:12 am Post subject: physical volume type |
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I made one volume group from three old hard drives:
| Code: | # pvdisplay
--- Physical volume ---
PV Name /dev/sda3
VG Name VG
PV Size 185.19 GiB / not usable 2.46 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 47408
Free PE 0
Allocated PE 47408
PV UUID A80KVp-B2Oh-BTNc-wcr7-4MhX-LVWj-ES0J7o
--- Physical volume ---
PV Name /dev/sdb1
VG Name VG
PV Size 111.79 GiB / not usable 2.94 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 28617
Free PE 0
Allocated PE 28617
PV UUID iu0F7W-s9xg-JrWU-9zFg-giJB-dajP-R9ufxV
--- Physical volume ---
PV Name /dev/sdc1
VG Name VG
PV Size 152.66 GiB / not usable 3.79 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 39081
Free PE 33954
Allocated PE 5127
PV UUID r06fDB-nmlE-tWNj-Wrf2-bhRC-3M3G-1mcyRX |
The last two used to be formatted NTFS, and fdisk gives:
| Code: | # fdisk -l /dev/sdb
Disk /dev/sdb: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 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: 0x293a2939
Device Boot Start End Blocks Id System
/dev/sdb1 63 234436544 117218241 7 HPFS/NTFS
# fdisk -l /dev/sdc
Disk /dev/sdc: 163.9 GB, 163928604672 bytes
255 heads, 63 sectors/track, 19929 cylinders, total 320173056 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: 0xd271f70c
Device Boot Start End Blocks Id System
/dev/sdc1 63 320159384 160079661 7 HPFS/NTFS |
I am wondering does it matter that I run fdisk to change the Id? Can I do it live? Is it even relevant?
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"In heaven all the interesting people are missing"
-- Friedrich Nietzsche |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54821
Location: 56N 3W
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| Posted: Wed Aug 18, 2010 5:48 pm Post subject: |
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mathfeel,
The ID is not relevant as long as its not 0xfd or 0x05. You can change it if you want,, its just a single byte in the partition table.
0x05 indicates an extended partition
0xfd indicates a Linux raid autodetect partition.
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Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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