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LVM?Logical Volume Manager,???????????????????????????????????????????????????????????????????????????????????????????????/boot???????????????LVM???
???LVM????????????
PE????????LVM????4MB?PE?????LVM????????????????????PE???
PV??????LVM??????????????????????????????????????????????????????LVM????????????4MB?PE?
VG??????????????????????????????????????????
LV????????PE???????????????????????????mkfs????????????????????Linux????????
LVM???????PV?VG?LV???
| ?? | PV???? | VG???? | LV???? |
|---|---|---|---|
| ?? | pvscan | vgscan | lvscan |
| ?? | pvcreate | vgcreate | lvcreate |
| ?? | pvdisplay | vgdisplay | redisplay |
| ?? | pvremove | vgremove | lvremove |
| ?? | ? | vgextend | lvextend |
| ?? | ? | vgreduce | lvreduce |
?????????
????????????????????????????????????????Centos????XFS??????xfs_ quota???????
??xfsprogs?quota?????
yum install xfsprogs quota
?????????????????
mount -o remount,rw /dev/sdX /mnt/point
/etc/fstab:/dev/sdX /mnt/point ext4 rw,relatime,quotas=1 0
??????????????
xfs_quota -x -c 'report -a'xfs_quota -x -c 'report -abih'
useradd user1 && passwd user1
xfs_quota -x -c 'usermod -bsoft:1024m -bhard:2048m user1'
?????????
dd if=/dev/zero of=testfile bs=1M count=200
dd if=/dev/zero of=testfile bs=1M count=200 > /dev/null
???????
xfs_quota -x -c 'report -a'xfs_quota -x -c 'report -abih'
??????????Linux?????????????????????????
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