[root@catdb /]# lvremove oradata/backup
Do you really want to remove active logical volume \"backup\"? [y/n]: y Logical volume \"backup\" successfully removed [root@catdb /]# lvremove oradata/oradata
Do you really want to remove active logical volume \"oradata\"? [y/n]: y Logical volume \"oradata\" successfully removed
删除vg
vgremove oradata
删除pv
pvremove /dev/cciss/c0d1
创建pv
[root@catdb ~]# pvcreate /dev/cciss/c0d1
Physical volume \"/dev/cciss/c0d1\" successfully created
[root@catdb ~]# vgcreate ora_dg /dev/cciss/c0d1 Volume group \" ora_dg \" successfully created
- [root@catdb /]# vgdisplay -v ora_dg Using volume group(s) on command line Finding volume group \"ora_dg\" --- Volume group ---
VG Name ora_dg System ID Format lvm2 Metadata Areas 1
Metadata Sequence No 1
VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 279.36 GB PE Size 4.00 MB Total PE 71517
Alloc PE / Size 0 / 0
Free PE / Size 71517 / 279.36 GB
VG UUID 4NdkyW-CkJ6-0x41-NZyn-1e2y-2EGX-VWrYZH
--- Physical volumes ---
PV Name /dev/cciss/c0d1
PV UUID TXihPe-Sndx-hgnX-I8u3-RZql-svwN-j606hP PV Status allocatable Total PE / Free PE 71517 / 71517
lvcreate -L 180G -n oradata ora_dg lvcreate -L 98G -n backup ora_dg mkfs.ext3 /dev/ora_dg/oradata mkfs.ext3 /dev/ora_dg/backup
vi /etc/fstab
/dev/VolGroup00/LogVol01 / ext3 defaults 1 1 LABEL=/boot /boot ext3 defaults 1 2 none /dev/pts devpts gid=5,mode=620 0 0 none /dev/shm tmpfs defaults 0 0 none /proc proc defaults 0 0 none /sys sysfs defaults 0 0 /dev/ora_dg/oradata /u02 ext3 defaults 0 0 /dev/ora_dg/backup /backup ext3 defaults 0 0 /dev/VolGroup00/LogVol00 swap swap defaults 0 0
/dev/scd0 /media/cdrom pamconsole,exec,noauto,managed 0 0
扩充root_dg
lvresize -L 110G /dev/VolGroup00/LogVol01
扩充swap
swap 分割区不用工具 resize2fs 這種 fs resize..
你的 swap 放 lvm 的话，要把 swap 空间变大的话，步骤大約是:
1. swapoff /dev/VolGroup00/LogVol01 2. lvextend -L size /dev/VolGroup00/LogVol01 3. mkswap /dev/VolGroup00/LogVol01 4. swapon /dev/VolGroup00/LogVol01
auto
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