[root@vm1 dev]# fdisk -cul sda
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Disk sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x97be5b6a
Device Boot Start End Blocks Id System
sda1 * 2048 1026047 512000 83 Linux
sda2 1026048 210741247 104857600 83 Linux
sda3 210741248 212838399 1048576 82 Linux swap / Solaris
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[root@vm1 dev]# fdisk -cu /dev/sda
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Command (m for help): n
Command action
e extended
p primary partition (1-4)
e
Selected partition 4
First sector (212838400-488397167, default 212838400):
Using default value 212838400
Last sector, +sectors or +size{K,M,G} (212838400-488397167, default 488397167):
Using default value 488397167
Command (m for help): p
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x97be5b6a
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 210741247 104857600 83 Linux
/dev/sda3 210741248 212838399 1048576 82 Linux swap / Solaris
/dev/sda4 212838400 488397167 137779384 5 Extended
Command (m for help): n
First sector (212840448-488397167, default 212840448):
Using default value 212840448
Last sector, +sectors or +size{K,M,G} (212840448-488397167, default 488397167): +20G
Command (m for help): p
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x97be5b6a
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 210741247 104857600 83 Linux
/dev/sda3 210741248 212838399 1048576 82 Linux swap / Solaris
/dev/sda4 212838400 488397167 137779384 5 Extended
/dev/sda5 212840448 254783487 20971520 83 Linux
Command (m for help): t
Partition number (1-5): 5
Hex code (type L to list codes): 8e
Changed system type of partition 5 to 8e (Linux LVM)
Command (m for help): n
First sector (254785536-488397167, default 254785536):
Using default value 254785536
Last sector, +sectors or +size{K,M,G} (254785536-488397167, default 488397167): +20G
Command (m for help): t
Partition number (1-6): 6
Hex code (type L to list codes): 8e
Changed system type of partition 6 to 8e (Linux LVM)
Command (m for help): p
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x97be5b6a
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 210741247 104857600 83 Linux
/dev/sda3 210741248 212838399 1048576 82 Linux swap / Solaris
/dev/sda4 212838400 488397167 137779384 5 Extended
/dev/sda5 212840448 254783487 20971520 8e Linux LVM
/dev/sda6 254785536 296728575 20971520 8e Linux LVM
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: 장치나 자원이 동작 중.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks. |
[root@vm1 dev]# ls /dev/sda*
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/dev/sda /dev/sda1 /dev/sda2 /dev/sda3 |
reboot.....
[root@vm1 ~]# ls /dev/sda*
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/dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 /dev/sda6 |
[root@vm1 ~]# pvcreate /dev/sda5 /dev/sda6
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Physical volume "/dev/sda5" successfully created
Physical volume "/dev/sda6" successfully created |
[root@vm1 ~]# vgcreate vmvg /dev/sda5 /dev/sda6
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Volume group "vmvg" successfully created |
[root@vm1 ~]# lvcreate -L 30G -n station1 vmvg
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Logical volume "station1" created |
[root@vm1 ~]# vgs
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VG #PV #LV #SN Attr VSize VFree
vmvg 2 1 0 wz--n- 39.99g 9.99g |
[root@vm1 ~]# vgdisplay vmvg
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--- Volume group ---
VG Name vmvg
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 2
Act PV 2
VG Size 39.99 GiB
PE Size 4.00 MiB
Total PE 10238
Alloc PE / Size 7680 / 30.00 GiB
Free PE / Size 2558 / 9.99 GiB
VG UUID hXgPtV-bjIl-LL23-OrjX-aTpx-K101-4uZHKH
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 83 Linux
/dev/sda2 1026048 210741247 104857600 83 Linux
/dev/sda3 210741248 212838399 1048576 82 Linux swap / Solaris
/dev/sda4 212838400 488397167 137779384 5 Extended
/dev/sda5 212840448 254783487 20971520 8e Linux LVM
/dev/sda6 254785536 296728575 20971520 8e Linux LVM
/dev/sda7 296730624 359645183 31457280 8e Linux LVM
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: 장치나 자원이 동작 중.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
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[root@vm1 ~]# pvcreate /dev/sda7
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Device /dev/sda7 not found (or ignored by filtering). |
[root@vm1 ~]# ls /dev/sda*
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/dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 /dev/sda6 |
새로운 파티션디스크를 만들고 리붓해야 하도록 6.0에서 정책을 변경했으나, 이전의 커널을 불러서 리붓하지 않고 파티션을 바로 불러올 수 있는 훼이크 (커널 시스템콜..)
7번디스크는 에러가 나지 않고 인식완료함. 1~6은 이미 사용하고 있기 때문에 에러
[root@vm1 ~]# partx -a /dev/sda
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BLKPG: Device or resource busy
error adding partition 1
BLKPG: Device or resource busy
error adding partition 2
BLKPG: Device or resource busy
error adding partition 3
BLKPG: Device or resource busy
error adding partition 4
BLKPG: Device or resource busy
error adding partition 5
BLKPG: Device or resource busy
error adding partition 6 |
[root@vm1 ~]# ls /dev/sda*
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/dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 /dev/sda6 /dev/sda7 |
[root@vm1 ~]# pvcreate /dev/sda7
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Physical volume "/dev/sda7" successfully created |
[root@vm1 ~]# vgs
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VG #PV #LV #SN Attr VSize VFree
vm 2 1 0 wz--n- 39.75g 9.75g |
[root@vm1 ~]# vgextend vm /dev/sda7
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Volume group "vm" successfully extended |
[root@vm1 ~]# vgs
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VG #PV #LV #SN Attr VSize VFree
vm 3 1 0 wz--n- 69.62g 39.62g |