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Linux修改挂载目录名称

2017-05-15 10:56 381 查看
Local系统管理员新增了一个VG,将一个原挂载点/u02改为了/u02-old,如下所示。

[root@mylnx01~]#df-h
FilesystemSizeUsedAvailUse%Mountedon
/dev/mapper/VolGroup00-LogVol00
37G21G15G60%/
/dev/sda199M23M71M25%/boot
tmpfs7.9G07.9G0%/dev/shm
/dev/mapper/VolGroup02-LogVol20
60G37G20G66%/u03
/dev/mapper/VolGroup03-LogVol30
60G36G21G64%/u04
/dev/mapper/VolGroup04-LogVol40
148G54G88G38%/u02
/dev/mapper/VolGroup01-LogVol10
60G54G3.0G95%/u02-old


但是这个挂载点/u02-old(挂载目录)不是我们想要的,现在我们需要修改挂载目录名称,那么如何做呢?下面是操作步骤。
步骤1:umount这个设备或挂载目录,如下所示

[root@mylnx01~]#umount/u02-old
umount:/u02-old:deviceisbusy
umount:/u02-old:deviceisbusy
[root@mylnx01~]#fuser-m/u02-old
/u02-old:5205c
[root@mylnx01~]#ps-ef|grep5205
root520552010May09pts/100:00:00bash
root2493024687008:13pts/200:00:00grep5205
[root@mylnx01~]#kill-95205
[root@mylnx01~]#umount/u02-old
[root@mylnx01~]#df-h
FilesystemSizeUsedAvailUse%Mountedon
/dev/mapper/VolGroup00-LogVol00
37G21G15G60%/
/dev/sda199M23M71M25%/boot
tmpfs7.9G07.9G0%/dev/shm
/dev/mapper/VolGroup02-LogVol20
60G37G20G66%/u03
/dev/mapper/VolGroup03-LogVol30
60G36G21G64%/u04
/dev/mapper/VolGroup04-LogVol40
148G54G88G38%/u02
[root@mylnx01~]#

步骤2:新建或重命名挂载点目录

[root@mylnx01u02-old]#cd..
[root@mylnx01/]#mv/u02-old//u05

步骤3:重新挂载设备到挂载点或目录

[root@mylnx01u05]#mount/dev/VolGroup01/LogVol10/u05
[root@mylnx01u05]#df-h
FilesystemSizeUsedAvailUse%Mountedon
/dev/mapper/VolGroup00-LogVol00
37G21G15G60%/
/dev/sda199M23M71M25%/boot
tmpfs7.9G07.9G0%/dev/shm
/dev/mapper/VolGroup02-LogVol20
60G37G20G66%/u03
/dev/mapper/VolGroup03-LogVol30
60G36G21G64%/u04
/dev/mapper/VolGroup04-LogVol40
148G54G88G38%/u02
/dev/mapper/VolGroup01-LogVol10
60G54G3.0G95%/u05

步骤4:编辑/etc/fastab配置信息。

[root@mylnx01/]#vi/etc/fstab
/dev/VolGroup00/LogVol00/ext3defaults11
LABEL=/boot/bootext3defaults12
tmpfs/dev/shmtmpfsdefaults00
devpts/dev/ptsdevptsgid=5,mode=62000
sysfs/syssysfsdefaults00
proc/procprocdefaults00
/dev/VolGroup00/LogVol01swapswapdefaults00
/dev/VolGroup02/LogVol20/u03ext3defaults12
/dev/VolGroup03/LogVol30/u04ext3defaults12
/dev/VolGroup04/LogVol40/u02ext3defaults12
/dev/VolGroup01/LogVol10/u02-oldext3defaults12



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