最近新買了一台服務器DELL R730
首先我們做了一個raid 1 和raid 5
在raid 1 上安裝系統
安裝完系統之后，現在要進行分區了，那個raid 5 做完之后，實際大小是19T
所以這里不能用傳統的fdisk來分區了，這里采用parted來分區，我們的系統是centos 7的，文件系統類型都設成是xfs文件系統了
這里開始分區：
[root@localhost ~]# parted /dev/sdb
GNU Parted 3.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p
Model: DELL PERC H730P Mini (scsi)
Disk /dev/sdb: 20.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name 標志
(parted) help
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkpart PART-TYPE [FS-TYPE] START END make a partition
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all found partitions, or a particular partition
quit exit program
rescue START END rescue a lost partition near START and END
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information of GNU Parted
(parted) print free
Model: DELL PERC H730P Mini (scsi)
Disk /dev/sdb: 20.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name 標志
17.4kB 20.0TB 20.0TB Free Space
(parted) parted
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkpart PART-TYPE [FS-TYPE] START END make a partition
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all found partitions, or a particular partition
quit exit program
rescue START END rescue a lost partition near START and END
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information of GNU Parted
(parted) mkpart /dev/sdb1
文件系統類型？ [ext2]? xfs
起始點？ 0
結束點？ 5120GB
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放棄/Cancel? ignore
(parted) mkpart /dev/sdb2
文件系統類型？ [ext2]? xfs
起始點？ 5120GB
結束點？ 10240GB
(parted) mkpart /dev/sdb3
文件系統類型？ [ext2]? xfs
起始點？ 10240GB
結束點？ 15360GB
(parted) print free
Model: DELL PERC H730P Mini (scsi)
Disk /dev/sdb: 20.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name 標志
1 17.4kB 5120GB 5120GB /dev/sdb1
5120GB 5120GB 524kB Free Space
2 5120GB 10.2TB 5120GB /dev/sdb2
3 10.2TB 15.4TB 5120GB /dev/sdb3
15.4TB 20.0TB 4641GB Free Space
(parted) mkpart /dev/sdb4
文件系統類型？ [ext2]? xfs
起始點？ 15360GB
結束點？ 20001GB
(parted) q
經過查找資料發現ext4格式不支持16T以上磁盤分區，沒辦法只能采用xfs格式。現在分區完成了。現在需要格式化磁盤了
mkfs.xfs /dev/sdb1
mkfs.xfs /dev/sdb2
mkfs.xfs /dev/sdb3
mkfs.xfs /dev/sdb4
現在就開始創建邏輯卷了
pvcreate
vgcreate vgdata
lvcreate lvdata
mkfs.xfs .../vgdata-lvdata
現在就是掛在分區了mkdir /ftproot
mount /dev/mapper/vgdata-lvdata /ftproot
vim /etc/fstab
/dev/mapper/vgdata-lvdata /ftproot xfs defaults 0 0
有關/etc/fstab下面的列的參數的意思是：http://blog.csdn.net/duyiwuer2009/article/details/8644753
文章參考:
http://blog.sina.com.cn/s/blog_406127500102uyr9.html
http://www.tuicool.com/articles/u63e6f
http://blog.chinaunix.net/uid-26413552-id-3379232.html