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告别Tru64 UNIX,资料分享。
扩大文件系统,首先要找到这个文件系统所对应的逻辑卷,只有首先扩大逻辑卷,给文件系统以扩大的空间,才能扩大文件系统。
为扩大逻辑卷,先将该卷umount。例如,想要扩大“/data”到1000M ,就键入命令:
# umount /data
扩大相应卷:
# voldg –g datadg free (列出剩余空间)
# volassist –g datadg growto data 1000m
加载文件系统并扩展文件系统空间:
# mount –o extend data_dm#data /data
用df 查看unix 的文件系统的状态
root@TEST1 /# df -h
Filesystem Size Used Available Capacity Mounted on
cluster_root#root 2048M 492M 1548M 25% /
root1_domain#root 256M 42M 209M 17% /cluster/members/member1/boot_partition
cluster_usr#usr 5120M 972M 4131M 20% /usr
oracle_domain#oracle 54G 10G 44G 19% /oracle
cluster_var#var 7168M 44M 7118M 1% /var
/proc 0 0 0 100% /proc
root2_domain#root 256M 66M 185M 27% /cluster/members/member2/boot_partition
fs_domain#fs 3072M 16K 3068M 1% /fs
root@TEST1 /# umount /fs
root@TEST1 /# voldg -g testdg free
DISK DEVICE TAG OFFSET LENGTH FLAGS
dsk10a dsk10a dsk10 6291456 14675952 -
dsk10b dsk10b dsk10 0 20967424 -
dsk10d dsk10d dsk10 0 20967424 -
root@TEST1 /# volassist -g testdg growto volfs 5G
root@TEST1 /# mount -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
root@TEST1 /# df -h
Filesystem Size Used Available Capacity Mounted on
cluster_root#root 2048M 492M 1548M 25% /
root1_domain#root 256M 42M 209M 17% /cluster/members/member1/boot_partition
cluster_usr#usr 5120M 972M 4131M 20% /usr
oracle_domain#oracle 54G 10G 44G 19% /oracle
cluster_var#var 7168M 44M 7118M 1% /var
/proc 0 0 0 100% /proc
root2_domain#root 256M 66M 185M 27% /cluster/members/member2/boot_partition
fs_domain#fs 5120M 16K 5116M 1% /fs
经测试,也可以不解挂直接扩大
root@TEST1 /# df
Filesystem 512-blocks Used Available Capacity Mounted on
cluster_root#root 4194304 1007418 3170176 25% /
root1_domain#root 524288 85880 428464 17% /cluster/members/member1/boot_partition
cluster_usr#usr 10485760 1990470 8460208 20% /usr
oracle_domain#oracle 114014608 20852472 93093200 19% /oracle
cluster_var#var 14680064 92158 14574128 1% /var
/proc 0 0 0 100% /proc
root2_domain#root 524288 134576 379776 27% /cluster/members/member2/boot_partition
fs_domain#fs 16777216 32 16768432 1% /fs
root@TEST1 /# volassist -g testdg growto volfs 9G
root@TEST1 /# mount -u -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
root@TEST1 /# df
Filesystem 512-blocks Used Available Capacity Mounted on
cluster_root#root 4194304 1007418 3170176 25% /
root1_domain#root 524288 85880 428464 17% /cluster/members/member1/boot_partition
cluster_usr#usr 10485760 1990470 8460208 20% /usr
oracle_domain#oracle 114014608 20852472 93093200 19% /oracle
cluster_var#var 14680064 92206 14574080 1% /var
/proc 0 0 0 100% /proc
root2_domain#root 524288 134576 379776 27% /cluster/members/member2/boot_partition
fs_domain#fs 18874368 32 18865552 1% /fs
不知道怎么减小fs。。。
root@TEST1 /# umount /fs
root@TEST1 /# volassist -g testdg shrinkto volfs 4G
lsm:volassist: ERROR: 2018:Shrink must use -f to force the operation
root@TEST1 /# volassist -g testdg -f shrinkto volfs 4G
root@TEST1 /# mount /fs
mount: unknown special file or file system /fs.
root@TEST1 /# mount fs_domain#fs /fs
fs_domain#fs on /fs: I/O error
root@TEST1 /# volassist -g testdg shrinkto volfs 6G
lsm:volassist: ERROR: 2018:Shrink must use -f to force the operation
root@TEST1 /# volassist -f -g testdg shrinkto volfs 6G
root@TEST1 /# df -h
Filesystem Size Used Available Capacity Mounted on
cluster_root#root 2048M 724M 1316M 36% /
root1_domain#root 256M 42M 209M 17% /cluster/members/member1/boot_partition
root2_domain#root 256M 66M 185M 27% /cluster/members/member2/boot_partition
cluster_usr#usr 5120M 972M 4131M 20% /usr
cluster_var#var 7168M 91M 7071M 2% /var
/proc 0 0 0 100% /proc
oracle_domain#oracle 54G 7877M 47G 15% /oracle
fs_domain#fs 9216M 16K 9212M 1% /fs
root@TEST1 /# ls /fs
.tags quota.group quota.user
root@TEST1 /# mount -u -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
root@TEST1 /# df -h
Filesystem Size Used Available Capacity Mounted on
cluster_root#root 2048M 724M 1316M 36% /
root1_domain#root 256M 42M 209M 17% /cluster/members/member1/boot_partition
root2_domain#root 256M 66M 185M 27% /cluster/members/member2/boot_partition
cluster_usr#usr 5120M 972M 4131M 20% /usr
cluster_var#var 7168M 91M 7071M 2% /var
/proc 0 0 0 100% /proc
oracle_domain#oracle 54G 7877M 47G 15% /oracle
fs_domain#fs 9216M 16K 9212M 1% /fs
root@TEST1 /#
root@TEST1 /#
root@TEST1 /# umount /fs
root@TEST1 /# mount -u -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
fs_domain#fs on /fs: Specified device does not match mounted device
root@TEST1 /# mount -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
fs_domain#fs on /fs: I/O error
root@TEST1 /# volassist -f -g testdg growto volfs 7G
root@TEST1 /# mount -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
fs_domain#fs on /fs: I/O error
root@TEST1 /# volassist -f -g testdg growto volfs 9G
root@TEST1 /# mount -o extend fs_domain#fs /fs
mount: Extending AdvFS file system...
root@TEST1 /# df -h
Filesystem Size Used Available Capacity Mounted on
cluster_root#root 2048M 724M 1316M 36% /
root1_domain#root 256M 42M 209M 17% /cluster/members/member1/boot_partition
root2_domain#root 256M 66M 185M 27% /cluster/members/member2/boot_partition
cluster_usr#usr 5120M 972M 4131M 20% /usr
cluster_var#var 7168M 91M 7070M 2% /var
/proc 0 0 0 100% /proc
oracle_domain#oracle 54G 7877M 47G 15% /oracle
fs_domain#fs 9216M 16K 9212M 1% /fs
root@TEST1 /# |
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