xenserver add ssd and remove ssd

add ssd
1.分区

[root@xen-01 ~]# fdisk  /dev/sdc
The number of cylinders for this disk is set to 15597.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)

Command (m for help): p

Disk /dev/sdc: 128.2 GB, 128297884672 bytes
255 heads, 63 sectors/track, 15597 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot      Start         End      Blocks   Id  System

Command (m for help): n
Command action
e   extended
p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-15597, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-15597, default 15597):
Using default value 15597

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

2.格式化分区

[root@xen-01 ~]# mkfs.ext3  /dev/sdc1
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
15663104 inodes, 31320717 blocks
1566035 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=0
956 block groups
32768 blocks per group, 32768 fragments per group
16384 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872

Writing inode tables: 154/956

3.创建storage repository(sr)

[root@xen-01 ~]# xe sr-create type=ext shared=false device-config:device=/dev/sdc1 name-label=SSD

------注释
------lvmohba:hba-connect-storage
------ext:local filesystem

remove ssd
研究了大半天，才搞定了！
1.查看uuid

#xe pbd-list
uuid ( RO)                  : 942c15a6-a95f-e7e1-b5c3-fddb668cd0c6
host-uuid ( RO): 7cd5a93b-d754-4274-aee2-a465734bad2b
sr-uuid ( RO): d6beec8f-2175-89d9-a7d3-a600084711b4
device-config (MRO): device: /dev/sdc1
currently-attached ( RO): true

2.删除pbd-uuid

#xe pbd-unplug uuid=942c15a6-a95f-e7e1-b5c3-fddb668cd0c6

3.删除sr-uuid

#xe sr-forget  uuid=d6beec8f-2175-89d9-a7d3-a600084711b4