添加搭建多路径存储服务器文档
修改： README.md 新文件： storage-server-targetcli.md Signed-off-by: Li,Juejie <jjli@linx-info.com>
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Li,Juejie
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## [重做initrd](initrd.md) ##
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## [在ThinkServerRD450服务器上安装6.0.42.41系统](thinkserverrd450/thinkserverrd450.md)
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## [搭建多路径存储服务器](storage-server-targetcli.md)
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358
storage-server-targetcli.md
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storage-server-targetcli.md
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# 一、配置存储服务器 #
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## 1、安装：targetcli ##
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```
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sudo apt-get install targetcli
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```
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## 2、加载模块 ##
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```
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root@rocky:/mnt# lsmod |grep configfs
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configfs 36864 4 iscsi_target_mod,libcomposite,target_core_mod
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root@rocky:/mnt# modprobe configfs
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#如果加载模块后没有自动挂载上，执行以下命令手动挂载：
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mount -t configfs configfs /sys/kernel/config
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```
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## 3、配置configfs开机自动挂载 ##
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```
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vi /etc/fstab
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configfs /sys/kernel/config configfs defaults 1 1
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```
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## 4、配置hba驱动 ##
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```
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root@rocky:~# vi /etc/modprobe.d/qla2xxx.conf
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options qla2xxx qlini_mode="disabled"
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root@rocky:~# modprobe qla2xxx
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root@rocky:~# sudo update-initramfs -u -k all
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update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic
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root@rocky:~# sudo reboot
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```
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## 5、查看每台服务器的wwn号 ##
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```
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cat /sys/class/fc_host/host*/port_name | sed -e s/0x// -e 's/../&:/g' -e s/:$//
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```
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## 6、运行targetcli ##
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```
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#使用root用户执行
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root@rocky:~# targetcli
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targetcli 3.0.pre4.1~ga55d018 (rtslib 3.0.pre4.1~g1b33ceb)
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Copyright (c) 2011-2014 by Datera, Inc.
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All rights reserved.
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#执行targetcli，ls后显示qla2xxx即为正常
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/> ls
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o- / ......................................................................................................................... [...]
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o- backstores .............................................................................................................. [...]
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| o- fileio ................................................................................................... [0 Storage Object]
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| o- iblock ................................................................................................... [0 Storage Object]
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| o- pscsi .................................................................................................... [0 Storage Object]
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| o- rd_mcp ................................................................................................... [0 Storage Object]
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o- ib_srpt ........................................................................................................... [0 Targets]
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o- iscsi ............................................................................................................. [0 Targets]
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o- loopback .......................................................................................................... [0 Targets]
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o- qla2xxx ........................................................................................................... [0 Targets]
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o- tcm_fc ............................................................................................................ [0 Targets]
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o- usb_gadget ........................................................................................................ [0 Targets]
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o- vhost ............................................................................................................. [0 Targets]
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```
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## 7、创建iblock ##
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```
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/> cd backstores
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/backstores> iblock/ create name=linx_disk1 dev=/dev/sda6
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Created iblock storage object linx_disk1 using /dev/sda6.
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/backstores> ls
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o- backstores ................................................................................................................ [...]
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o- fileio ..................................................................................................... [0 Storage Object]
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o- iblock ..................................................................................................... [1 Storage Object]
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| o- linx_disk1 .......................................................................................... [/dev/sda6, not in use]
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o- pscsi ...................................................................................................... [0 Storage Object]
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o- rd_mcp ..................................................................................................... [0 Storage Object]
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```
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## 8、创建wwn ##
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```
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/backstores> cd ..
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/> qla2xxx/ create 50:01:43:80:03:af:dd:d8
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/> cd qla2xxx/50:01:43:80:03:af:dd:d8/
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/qla2xxx/50:0...0:03:af:dd:d8> ls
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o- 50:01:43:80:03:af:dd:d8 ............................................................................................... [enabled]
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o- acls ................................................................................................................. [0 ACLs]
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o- luns ................................................................................................................. [0 LUNs]
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```
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## 9、创建luns ##
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```
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qla2xxx/50:0...0:03:af:dd:d8> luns/ create /backstores/iblock/linx_disk1
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Selected LUN 0.
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Created LUN 0.
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/qla2xxx/50:0...0:03:af:dd:d8> ls
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o- 50:01:43:80:03:af:dd:d8 ............................................................................................... [enabled]
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o- acls ................................................................................................................. [0 ACLs]
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o- luns .................................................................................................................. [1 LUN]
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o- lun0 ........................................................................................ [iblock/linx_disk1 (/dev/sda6)]
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```
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## 10、创建acls ##
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```
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/qla2xxx/50:0...0:03:af:dd:d8> acls/ create 50:01:43:80:01:34:9a:8c
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Created Node ACL for 50:01:43:80:01:34:9a:8c
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Created mapped LUN 0.
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/qla2xxx/50:0...0:03:af:dd:d8> ls
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o- 50:01:43:80:03:af:dd:d8 ............................................................................................... [enabled]
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o- acls ................................................................................................................. [2 ACLs]
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| o- 50:01:43:80:01:34:9a:8c ...................................................................................... [1 Mapped LUN]
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| o- mapped_lun0 ................................................................................................... [lun0 (rw)]
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o- luns .................................................................................................................. [1 LUN]
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o- lun0 ........................................................................................ [iblock/linx_disk1 (/dev/sda6)]
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```
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## 11、保存配置 ##
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保存完配置后，需重启服务器生效。
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```
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/qla2xxx/50:0...0:03:af:dd:d8> saveconfig
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Save configuration? [Y/n]: y
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Performing backup of startup configuration: /var/target/backup-2017-06-08_14:08:36.lio
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Saving new startup configuration
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```
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## 12、保存配置时可能出现的报错 ##
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### 报错信息 ###
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```
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/qla2xxx/50:0...0:03:af:dd:d8> saveconfig
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Save configuration? [Y/n]: y
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Performing backup of startup configuration: /var/target/backup-2017-06-08_14:08:36.lio
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Saving new startup configuration
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Traceback (most recent call last):
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File "/usr/lib/python2.7/dist-packages/configshell/shell.py", line 990, in run_interactive
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self._cli_loop()
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File "/usr/lib/python2.7/dist-packages/configshell/shell.py", line 820, in _cli_loop
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self.run_cmdline(cmdline)
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File "/usr/lib/python2.7/dist-packages/configshell/shell.py", line 934, in run_cmdline
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self._execute_command(path, command, pparams, kparams)
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File "/usr/lib/python2.7/dist-packages/configshell/shell.py", line 909, in _execute_command
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result = target.execute_command(command, pparams, kparams)
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File "/usr/lib/python2.7/dist-packages/targetcli/ui_node.py", line 225, in execute_command
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return UINode.execute_command(self, command, pparams, kparams)
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File "/usr/lib/python2.7/dist-packages/targetcli/ui_node.py", line 104, in execute_command
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pparams, kparams)
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File "/usr/lib/python2.7/dist-packages/configshell/node.py", line 1416, in execute_command
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result = method(*pparams, **kparams)
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File "/usr/lib/python2.7/dist-packages/targetcli/ui_node.py", line 123, in ui_command_saveconfig
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CliConfig.save_running_config()
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File "/usr/lib/python2.7/dist-packages/targetcli/cli_config.py", line 65, in save_running_config
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config.load_live()
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File "/usr/lib/python2.7/dist-packages/rtslib/config.py", line 565, in load_live
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source=source, allow_new_attrs=True)
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File "/usr/lib/python2.7/dist-packages/rtslib/config.py", line 190, in _load_parse_tree
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token = self.validate_obj(token, cur)
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File "/usr/lib/python2.7/dist-packages/rtslib/config.py", line 377, in validate_obj
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valid_value = self.validate_val(valid_token['key'][1], id_type)
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File "/usr/lib/python2.7/dist-packages/rtslib/config.py", line 355, in validate_val
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% (val_type, value))
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ConfigError: Unknown value type 'qla2xxx_wwn' when validating 50:01:43:80:03:af:dd:d8
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```
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### 解决方法 ###
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```
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vi /usr/share/pyshared/rtslib/config.py
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347 elif val_type == 'naa':
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348 if is_valid_wwn('naa', value):
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349 valid_value = value
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+350 elif val_type == 'qla2xxx_wwn':
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+351 if is_valid_wwn('qla2xxx_wwn', value):
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+352 valid_value = value
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vi /usr/share/pyshared/rtslib/utils.py
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559 elif wwn_type == 'unit_serial' \
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560 and re.match(
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561 "[0-9A-Fa-f]{8}(-[0-9A-Fa-f]{4}){3}-[0-9A-Fa-f]{12}$", wwn):
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562 return True
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+563 elif wwn_type == 'qla2xxx_wwn' \
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+564 and re.match(
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+565 "[0-9A-Fa-f]{2}(:[0-9A-Fa-f]{2}){7}$", wwn):
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+566 return True
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```
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## 13、配置完存储后，在HA-1和HA-2上重新加载模块 ##
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```
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rmmod qla2xxx
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modprobe qla2xxx
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```
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## 14、重新存储服务器 ##
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配置完存储或者修改了存储的配置后，需要重启存储服务器。
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```
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root@rocky:~# reboot
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```
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## 15、查看路径 ##
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在HA-1和HA-2上安装完多路径后，可以使用下面的命令查看路径
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```
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multipath ll #查看路径
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multipath -v3 #重新加载路径信息
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multipath -F #清除路径信息
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```
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# 二、登录交换机 #
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## 1、安装串口工具 ##
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```
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apt-get install minicom
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```
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## 2、minicom使用方法 ##
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```
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1、sudo minicom
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2、ctrl+a,然后按z键，在弹出的页面按o键
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3、配置串口设备：/dev/ttyUSB0
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4、配置波特率：115200
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5、设置保存为dfl
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```
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## 3、交换机设置ip地址 ##
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```
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FCSW1:admin> ipaddrset
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Ethernet IP Address [172.16.0.120]:172.16.0.120
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Ethernet Subnetmask [255.255.255.0]:255.255.255.0
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Gateway IP Address [172.16.0.254]:172.16.0.254
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DHCP [Off]:
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```
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## 4、查看交换机ip地址 ##
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```
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ipaddrshow
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```
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## 5、交换机账号密码 ##
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交换机默认账户；admin，密码：passwrod
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# 三、配置交换机 #
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## 1、choose switchState: Offline (Persistent) to online ##
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```
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switchcfgpersistentenable
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```
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## 2、查看交换机的配置 ##
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```
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switchshow
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```
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## 3、查看zone情况 ##
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```
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zoneshow
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```
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## 4、创建zone ##
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zonecreate "zone名称"，“zone成员1；zone成员2”(其中zone成员可以使用端口号（格式：domain id,port id）、wwn和wwn别名。）
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```
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zonecreate "zone0","21:00:00:1b:32:90:ee:66;50:01:43:80:03:af:dd:da;50:01:43:80:03:af:dd:d8"
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```
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## 5、创建cfg ##
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执行cfgcreate命令创建新分区配置，分区配置是zone的集合，一个分区配置可以包含一个或多个zone。命令格式为cfgcreate “分区配置名称”,“zone名称1; zone名称2,…”
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```
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cfgcreate "cfgzone","zone0"
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```
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## 6、使能分区配置 ##
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执行cfgenable命令使能分区配置。命令格式为cfgenable 分区配置名称
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```
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cfgenable cfgzone
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```
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## 7、保存分区配置 ##
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```
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cfgsave
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```
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## 8、查看配置后的显示情况 ##
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```
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FCSW1:admin> zoneshow
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Effective configuration:
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cfg: cfgzone
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zone: zone0 21:00:00:1b:32:90:ee:66
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50:01:43:80:03:af:dd:da
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50:01:43:80:03:af:dd:d8
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```
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## 9、向分区中添加新成员 ##
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命令格式为zoneadd “分区名称”, “新成员1; 新成员2; …”
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```
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zoneadd "zone0","50:01:43:80:03:af:dd:da"
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cfgsave
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```
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## 10、向分区配置中添加新成员 ##
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命令格式为cfgadd “分区配置名称”, “zone名称1; zone名称2; …”
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```
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cfgadd "cfgnew","zone2;zone3"
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cfgsave
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```
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# 四、参考文档 #
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http://237085.blog.51cto.com/227085/1739225
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http://xiayun.blog.51cto.com/2344243/1707098
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http://www.linux-iscsi.org/wiki/FC
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http://support.huawei.com/enterprise/docinforeader!loadDocument1.action?contentId=DOC1000050532&partNo=10072#it_osca_xcua_140071_mx210
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https://www.penguinpunk.net/blog/wp-content/uploads/2015/03/fc_switches_v0.2.pdf
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Block a user