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重新启动电脑之后执行以下步骤
[root@ora1 ~]# df -lh
Filesystem 容量 已用 可用 已用% 挂载点
/dev/sda9 494M 110M 359M 24% /
/dev/sda1 99M 8.5M 86M 10% /boot
none 316M 0 316M 0% /dev/shm
/dev/sda8 494M 11M 458M 3% /home
/dev/sda2 12G 6.6G 4.4G 61% /opt
/dev/sda7 1012M 443M 518M 47% /tmp
/dev/sda3 6.0G 2.7G 3.0G 48% /usr
/dev/sda5 1.5G 108M 1.3G 8% /var
[root@ora1 ~]# fdisk -l
Disk /dev/sda: 24.6 GB, 24696061952 bytes
255 heads, 63 sectors/track, 3002 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 1543 12289725 83 Linux
/dev/sda3 1544 2326 6289447+ 83 Linux
/dev/sda4 2327 3002 5429970 5 Extended
/dev/sda5 2327 2522 1574338+ 83 Linux
/dev/sda6 2523 2685 1309266 82 Linux swap
/dev/sda7 2686 2816 1052226 83 Linux
/dev/sda8 2817 2881 522081 83 Linux
/dev/sda9 2882 2946 522081 83 Linux
Disk /dev/sdb: 524 MB, 524288000 bytes
64 heads, 32 sectors/track, 500 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 287 293872 8e Linux LVM
Disk /dev/sdc: 524 MB, 524288000 bytes
64 heads, 32 sectors/track, 500 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sdc1 1 287 293872 8e Linux LVM
Disk /dev/sdd: 524 MB, 524288000 bytes
64 heads, 32 sectors/track, 500 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sdd1 1 287 293872 8e Linux LVM
Disk /dev/sde: 524 MB, 524288000 bytes
64 heads, 32 sectors/track, 500 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sde1 1 500 511984 8e Linux LVM
Disk /dev/sdf: 524 MB, 524288000 bytes
64 heads, 32 sectors/track, 500 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sdf1 1 500 511984 8e Linux LVM
Disk /dev/sdg: 524 MB, 524288000 bytes
64 heads, 32 sectors/track, 500 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sdg1 1 500 511984 8e Linux LVM
[root@ora1 ~]# lvdisplay
--- Logical volume ---
LV Name /dev/oradata/data
VG Name oradata
LV UUID H71V9u-Ffa2-3xsJ-FUlD-zTZb-T3ut-8Wqiwh
LV Write Access read/write
LV Status available
# open 0
LV Size 816.00 MB
Current LE 204
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
[root@ora1 ~]# pvdisplay
--- Physical volume ---
PV Name /dev/sdb1
VG Name oradata
PV Size 284.00 MB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 71
Free PE 3
Allocated PE 68
PV UUID M3E5Na-Rh1v-s4wK-J4FJ-ogCg-EHjl-OKatfw
--- Physical volume ---
PV Name /dev/sdc1
VG Name oradata
PV Size 284.00 MB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 71
Free PE 3
Allocated PE 68
PV UUID MyzF3H-gYxJ-81u8-Cgap-X1h3-Ng5x-8e6gPz
--- Physical volume ---
PV Name /dev/sdd1
VG Name oradata
PV Size 284.00 MB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 71
Free PE 3
Allocated PE 68
PV UUID G8QFMg-OQuG-4Q5y-si3O-Rfpi-GlCk-unG2iH
--- Physical volume ---
PV Name /dev/sde1
VG Name oradata
PV Size 496.00 MB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 124
Free PE 124
Allocated PE 0
PV UUID kg2Rvl-lO6a-hKcW-WKu1-4xTo-l1CU-p5dpYb
--- Physical volume ---
PV Name /dev/sdf1
VG Name oradata
PV Size 496.00 MB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 124
Free PE 124
Allocated PE 0
PV UUID ekd2En-YM8p-0EaG-ux1I-gPAB-pfBW-9bOoM8
--- Physical volume ---
PV Name /dev/sdg1
VG Name oradata
PV Size 496.00 MB / not usable 0
Allocatable yes
PE Size (KByte) 4096
Total PE 124
Free PE 124
Allocated PE 0
PV UUID hsgX2J-08Jo-r2ka-b1js-OhLW-gIz1-3WAUKj
[root@ora1 ~]# pvremove /dev/sdc1 /dev/sdf1
/dev/cdrom: open failed: 只读文件系统
Attempt to close device '/dev/cdrom' which is not open.
Can't pvremove physical volume "/dev/sdc1" of volume group "oradata" without -ff
Can't pvremove physical volume "/dev/sdf1" of volume group "oradata" without -ff
[root@ora1 ~]# pvremove -ff /dev/sdc1 /dev/sdf1
/dev/cdrom: open failed: 只读文件系统
Attempt to close device '/dev/cdrom' which is not open.
Really WIPE LABELS from physical volume "/dev/sdc1" of volume group "oradata" [y/n]? y
WARNING: Wiping physical volume label from /dev/sdc1 of volume group "oradata"
Can't open /dev/sdc1 exclusively. Mounted filesystem?
1)为什么不能执行,如何才能执行?
2)/dev/cdrom: open failed: 只读文件系统
Attempt to close device '/dev/cdrom' which is not open,为什么有这个提示? |
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