raid10+lvm+quota

1.添加4块硬盘sdb，sdc，sdd，sde。

2.磁盘分区

fdisk /dev/sdb--n--p--1--w

fdisk /dev/sdc--n--p--1--w

fdisk /dev/sdd--n--p--1--w

fdisk /dev/sde--n--p--1--w

3.建立RAID10

mdadm --create --auto=yes /dev/md10 --level=10 --raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1

mdadm --detail /dev/md10

4.建立LVM

pvcreate /dev/md10

vgcreate -s 16M vfastvg /dev/md10

vgdisplay vfastvg

lvcreate -l 200 -n vfastlv vfastvg

lvdisplay /dev/vfastvg/vfastlv

mkfs.ext3 /dev/vfastvg/vfastlv

mount /dev/vfastvg/vfastlv /mnt

5.建立磁盘配额

mount -o remount,usrquota,grpquota /mnt/

vim /etc/fstab

/dev/md10 /mnt ext3 defaults,usrquota,grpquota 0 0

quotacheck -auvg

quotaon -auvg

useradd vfast

passwd vfast

edquota -u test

dd if=/dev/zero of=/mnt/2.txt bs=1M count=133

dm-2: warning, user block quota exceeded.

dm-2: write failed, user block limit reached.

dd: 写入 “/mnt/2.txt”: 超出磁盘限额

20+0 records in

19+0 records out

20455424 bytes (20 MB) copied, 0.213782 seconds, 95.7 MB/s