目录

Disk Quota

Characteristic：
1. For specialty user
2. Limit user and baseGroup
3. Limit of DiskSize(Volume), limit of fileCount.

How to enable the disk quota

step1.Edit the fstab profile and add mount parameter for disk quota with file and directory.
vim /etc/fstab

usrquota,grpquota,acl   #Addition parameter for partotion
  

 

  
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step2. Create disk quota file in goal quota directory.

quotacheck -augcv dirName
  

 

  
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step3. Edit disk quota

edquota -u\g user\group
setquota -u\g user\group parameters #Select parameter:soft-Volume,hard-Volume,soft-fileCount,hard-fileCount
  

 

  
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step4. Start server

quotaon   #start
quptaoff  #stop
  

 

  
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If the limit breakthough the soft-limit, the state will from soft-limit to hard-limit after graceTime.
setp5. Check the quota info

repquota -a
  

 

  
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Partition Disk

Create LVM

Step1. Create PV

pvcreate deviceName
  

 

  
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Step2. Create VG

vgcreate vgName pvName
  

 

  
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or

vgcreate -S PESize vgName pvName   #Specify the PE size
  

 

  
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Step3. Create LV

lvcreate -L lvSize vgName -n lvName
  

 

  
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or

lvcreate -l PECount vgName -n lvName   #Setup the vgSize via specify PEcount
  

 

  
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LVM Extend

vgextend vgName pvName
lvextend -L +size(M,G) lvName
resize2fs /dev/vgName/lvName
#RHEL7 使用xfs_growfs指令来刷新分区容量
  

 

  
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LVM Reduce

umount /dev/vgName/lvName #You have to umount the LVM frist
e2fsck -f /dev/vgName/lvName
resize2fs /dev/vgName/lvName size
lvreduce -L size /dev/vgName/lvName
vgreduce vgName /dev/pvName  #The PV will be remove from VG
  

 

  
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Get the UUID of device

blkid deviceName --> Create the UUID of device.
  

 

  
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文章来源: is-cloud.blog.csdn.net，作者：范桂飓，版权归原作者所有，如需转载，请联系作者。

原文链接：is-cloud.blog.csdn.net/article/details/49963285