莆田电信全球眼项目NAS N5200 G20安装文档 2007-12-3 1、 安装前准备 1、 硬件安装准备 N5200初始化需要用到串口，随机会带一根Null Modem cable线缆，现场用的线缆似乎不是很好用，无法连接，现场用的是能连接DS4000磁阵的串口线，。硬件上架安装过程见《N5000系列文件管理器安装和设置说明》文档，此文档在IBM网站可直接下载。 双机电缆连接方式 现场N5200和磁盘整列直连方式 2、 主机名、IP地址规划、磁盘空间规划请看附件
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格 安装NAS之前必须首先完成DS4000的调测，因N5200限制每个LUN的大小不超过500G，超过500G会出现无法识别LUN的问题，N5200是按照1G=1000*1024*1024的方式计算空间，而DS4000中是按照1G=1024*1204*1024的方式计算，同样500G，DS4000中的大小会超过N5200的大小。因此在DS4000中划分LUN的时候，每个LUN的大小不能超过476G。
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如下：1000*1024*1024*476=499122176000，现场是按照470G划分LUN,MAPPING类型为AIX. 2、 NAS安装及配置 1、 NAS初始化配置 确认DS4000和N5200连接正确，先打开DS4000，DS4000启动完成后，启动N5200，串口线连接N5200可以看到如下启动信息： CPU type 0xF29: 2800MHz Total memory: 0xC0000000 bytes (3072MB) Starting AUTOBOOT press any key to abort... Loading: 0x200000/27656912 0x1c602d0/31199804 0x3a21510/2202831 0x3c3b1df/1 Entry at 0x00200000 Starting program at 0x00200000 Press CTRL-C for special boot menu 按CTRL-C进入特别启动菜单，可以看见如下选项： (1) Normal boot. (2) Boot without /etc/rc. (3) Change password. (4) Initialize owned disks (28 disks are owned by this filer). (4a) Same as option 4, but create a flexible root volume. (5) Maintenance mode boot Selection (1-5)? 5 选择5进入维护模式，弹出如下信息，显示维护模式下可使用的命令： You have selected the maintenance boot option: the system has booted in maintenance mode allowing the following operations to be performed: ? fcstat halt help raid_config storage version vol aggr environment led_on led_off scsi disk_fw_update_fix disk disk_list fcdiag fctest disktest diskcopy Type "help
" for more details. Continue with boot? Yes 是否继续启动，输入yes 维护模式下可以使用?或者help查看可以使用的命令，以及相关命令的说明。这这个模式下可对已经识别的LUN进行操作。用disk show –v命令可查看当前可用磁盘： *> disk show -v DISK OWNER POOL SERIAL NUMBER CHKSUM 0a.0L Not Owned Pool0 600A0B8000321F8A00000503474C9472Block 0d.2L1 Not Owned Pool0 600A0B8000321D5C000011AB474C9489Block 0a.0L2 Not Owned Pool0 600A0B8000321F8A00000506474CB172Block 可以分配磁盘给NAS，第一次安装，所有的磁盘都处于Not Owned状态，表示磁盘没有分配给NAS节点，我们可以使用disk assign 0a.0L命令将磁盘分配给当前N5200节点: *> disk assign DISK OWNER POOL SERIAL NUMBER CHKSUM 0a.0L0 (101166106) Pool0 600A0B8000321F8A00000503474C9472Block 0d.2L1 unowner Pool0 600A0B8000321D5C000011AB474C9489Block 0a.0L2 unowner Pool0 600A0B8000321F8A00000506474CB172Block 分配完成后，磁盘后会添加一个101166106的ID用于标识当前磁盘已经分配。这里我们需要分配一块磁盘给当前的N5200创建root volume,这个vol的作用是用于保存N5200的一些配置信息。空间要求大于20G。 执行halt命令，进入CFE模式，此模式下可以查看修改一些系统的参数，使用help命令可以查看可使用的命令： CFE> help Available commands: version Print CFE version. update_flash Updates the boot flash with the firmware image on the PC-Card. netboot Boots the supplied URL off the network. boot_diags Boots the diagnostic image off of the PC-Card. boot_backup Boots the backup image of Data OnTap off of the PC-Card. boot_primary Boots the primary image of Data OnTap off of the PC-Card. boot_ontap Boots the correct image of Data OnTap bye Reset the system. flash Update a flash memory device autoboot Automatic system bootstrap. go Start a previously loaded program. boot Load an executable file into memory and execute it load Load an executable file into memory without executing it set date Set current date set time Set current time ping Ping a remote IP host. arp Display or modify the ARP Table ifconfig Configure the Ethernet interface show date Display current time according to RTC show time Display current time according to RTC show devices Display information about the installed devices. unsetenv Delete an environment variable. set-defaults Reset all system environmental variables to default values. setenv Set an environment variable. printenv Display the environment variables help Obtain help for CFE commands 在CFE下执行bye，离开CFE模式，N5200会自动重启。 启动过程过程中按CTRL-C进入特别启动菜单，选择4a创建一个flexible root volume，flexible类型意为可变的。 系统进入初始化状态，会有有两个提问： Install a new file system? Yes ----是否创建新的文件系统 This will erase all the data on the disks, are you sure? Yes ---此操作会清除磁盘上的所有数据，确定吗？ 显示系统信息如下： ...Wed Feb 15 22:02:05 GMT [raid.vol.disk.add.done:notice]: Addition of Disk /aggr0/plex0/rg0/FPN[2184000dec0c9840]:0.124L0 Shelf - Bay - [IBM 2107900 0000] S/N [75065711200] to aggregate aggr0 has completed successfully Wed Feb 15 22:02:05 GMT [wafl.vol.add:notice]: Aggregate aggr0 has been added to the system. Wed Feb 15 22:02:06 GMT [fmmbx_instanceWorke:info]: no mailbox instance on primary side Wed Feb 15 22:02:06 GMT [fmmbx_instanceWorke:info]: Disk FPN[2184000dec0c9840]:0.124L0 is a primary mailbox disk Wed Feb 15 22:02:06 GMT [fmmbx_instanceWorke:info]: normal mailbox instance on primary side Wed Feb 15 22:02:06 GMT [fmmbx_instanceWorke:info]: no mailbox instance on backup side Wed Feb 15 22:02:06 GMT [lun.metafile.dirCreateFailed:error]: Couldn't create vdisk metafile directory /vol/vol0/vdisk. DBG: Set filer.serialnum to: 110464611 ifconfig e0a mediatype auto Configuring onboard ethernet e0a. Contacting DHCP server. Ctrl-C to skip DHCP search ... Wed Feb 15 22:02:07 GMT [rc:info]: Contacting DHCP server Wed Feb 15 22:02:07 GMT [10/100/1000-VI/e0a:info]: Ethernet e0a: Link up Wed Feb 15 22:02:11 GMT [rc:info]: DHCP config aborted by user Configuring e0a using DHCP aborted. NetApp Release 7.0.3: Fri Dec 2 06:00:21 PST 2005 System ID: 0101166106 (); partner ID: () System Serial Number: 110464611 () System Rev: B0 slot 0: System Board Processors: 1 Memory Size: 3072 MB slot 0: Dual 10/100/1000 Ethernet Controller VI e0a MAC Address: 00:a0:98:02:43:02 (auto-1000t-fd-up) e0b MAC Address: 00:a0:98:02:43:03 (auto-unknown-cfg_down) e0c MAC Address: 00:a0:98:02:43:00 (auto-unknown-cfg_down) e0d MAC Address: 00:a0:98:02:43:01 (auto-unknown-cfg_down) slot 0: FC Host Adapter 0a 12 Disks: 21.2GB slot 0: FC Host Adapter 0b slot 0: FC Host Adapter 0c slot 0: FC Host Adapter 0d 12 Disks: 21.2GB slot 0: SCSI Host Adapter 0e slot 0: NetApp ATA/IDE Adapter 0f (0x000001f0) 0f.0 245MB slot 1: Dual Gigabit Ethernet Controller VI e1a MAC Address: 00:04:23:b4:7e:d8 (auto-unknown-cfg_down) e1b MAC Address: 00:04:23:b4:7e:d9 (auto-unknown-cfg_down) slot 3: NVRAM Memory Size: 512 MB 输入初始信息 Please enter the new hostname []:nas1 ----主机名 Do you want to configure virtual network interfaces? [yes]: ---是否启用虚拟网口，此功能可将多快网卡绑定成一块做冗余，同时可增加接口带宽. Number of virtual interfaces to configure? [2] –虚拟接口的数量 Name of virtual interface #1 [vif0]: --虚拟接口1的接口名称 Is vif0 a single [s], multi [m] or a lacp [l] virtual interface? [m] –单通道还是多通道，默认多通道 Number of links for vif0? [2] –虚拟接口使用的网口数量 Name of link #1 for vif0 [e0c]: --网口1名称 Name of link #2 for vif0 [e0a]:--网口2名称 Name of virtual interface #2 [vif1]: --同样方式配置虚拟接口2 Is vif1 a single [s], multi [m] or a lacp [l] virtual interface? [m] Number of links for vif1? [2] Name of link #1 for vif1 [e0d]: Name of link #2 for vif1 [e0b]: Please enter the IP address for Network Interface vif0 [192.168.0.101]: --虚拟接口1的IP地址 Please enter the netmask for Network Interface vif0 [255.255.255.0]: --子网掩码 Should interface e0a take over a partner IP address during failover? [yes]: --双机切换的时候是否切换IP Please enter the partner virtual interface name to be taken over by vif0 [vif0]: --需要切换的接口地址，此地址就是提供给iSCSI协议的地址，如果不配置此项，在双机切换时LINUX将无法访问切换后的备机资源。 Please enter media type for vif0 {100tx-fd, tp-fd, 100tx, tp, auto (10/100/1000)} [auto]: Please enter the IP address for Network Interface vif1 [192.168.0.102]: --虚拟接口2 IP地址 Please enter the netmask for Network Interface vif1 [255.255.255.0]: --子网掩码 Should virtual interface vif1 take over a partner virtual interface during failover? [n]: --是否切换，这里选择NO lease enter media type for vif1 {100tx-fd, tp-fd, 100tx, tp, auto (10/100/1000)} [auto]: Would you like to continue setup through the web interface? [n]: --是否通过页面进行进一步配置 Please enter the name or IP address of the default gateway: The administration host is given root access to the filer's /etc files for system administration. To allow /etc root access to all NFS clients enter RETURN below. Please enter the name or IP address of the administration host: Where is the filer located? []: here Do you want to run DNS resolver? [n]: Do you want to run NIS client? [n]: This system will send event messages and weekly reports to Network Appliance Technical Support. To disable this feature, enter "options autosupport.support.enable off" within 24 hours. Enabling Autosupport can significantly speed problem determination and resolution should a problem occur on your system. For further information on Autosupport, please see: http://now.netapp.com/autosupport/ Press the return key to continue. Now unpack the tar file provided on the tar floppies into the root directory of the filer. When you are done, type "download" to install the boot image on the hard disk and "reboot" to begin using the new image. Wed Feb 15 22:02:54 GMT [init_java:warning]: Java disabled: Missing /etc/java/rt131.jar. Wed Feb 15 22:02:55 GMT [ems.engine.startReplay:info]: Replay begins for EMS boot-time cache Wed Feb 15 22:02:55 GMT [ems.engine.endReplay:info]: Replay ends for EMS boot-time cache Wed Feb 15 22:02:55 GMT [dfu.firmwareUpToDate:info]: Firmware is up-to-date on all disk drives Wed Feb 15 22:02:55 GMT [10/100/1000-VI/e0a:info]: Ethernet e0a: Link up Wed Feb 15 22:02:55 GMT [httpd_servlet:warning]: Java Virtual Machine not accessible Wed Feb 15 22:02:55 GMT [mgr.boot.disk_done:info]: NetApp Release 7.0.3 boot complete. Last disk update written at Thu Jan 1 00:00:00 GMT 1970 Wed Feb 15 22:02:55 GMT [cf.fm.unexpectedAdapter:warning]: Warning: clustering is not licensed yet an interconnect adapter was found. NVRAM will be divided into two parts until adapter is removed Wed Feb 15 22:02:55 GMT [mgr.boot.reason_ok:notice]: System rebooted. Wed Feb 15 22:02:55 GMT [asup.config.minimal.unavailable:warning]: Minimal Autosupports unavailable. Could not read /etc/asup_content.conf The Remote LAN Module (RLM) provides remote management capabilities including console redirection, logging and power control. It also extends autosupport by sending additional system event alerts. Your autosupport settings are used for sending these alerts via email over the RLM LAN interface. Would you like to configure the RLM? Yes ---RLM设置，这是一个专门的管理接口！ Would you like to enable DHCP on the RLM LAN interface? no Please enter the IP address for the RLM []: 192.168.1.80 Please enter the netmask for the RLM []: 255.255.255.0 Please enter the IP address for the RLM gateway []: 192.168.1.1 Verifying mailhost settings for RLM use... 配置完成后可通过sysconfig –v命令查看当前系统信息。 如果是双机，上面的操作部分需要分别在两台机器进行 添加license信息，N5200的所有功能都通过license控制，license会附在随机的一个信封中,通常为7位。 License add xxxxxxx 添加完成后通过license命令查看 nas1> license cifs not licensed cluster not licensed cluster_remote not licensed disk_sanitization not licensed fcp not licensed flex_cache not licensed flex_clone not licensed gateway LDASVYC gateway_hitachi not licensed http not licensed iscsi THOJFLG multistore not licensed nearstore_asis1 not licensed nearstore_option not licensed nfs not licensed smdomino not licensed smsql not licensed snaplock not licensed snaplock_enterprise not licensed snapmanagerexchange not licensed snapmirror not licensed snapmirror_sync not licensed snapmover not licensed snaprestore not licensed snapvalidator not licensed sv_linux_pri not licensed sv_ontap_pri not licensed sv_ontap_sec not licensed sv_unix_pri not licensed sv_windows_ofm_pri not licensed sv_windows_pri not licensed syncmirror_local not licensed vld not licensed 确认添加成功，重启N5200。如果是双机需要在两台N5200上分别添加license。 2、 分配磁盘、创建Aggr/vol/qtree/lun NAS存储磁盘创建思路： 分配磁盘给NAS-》创建aggr(合集)-》在aggr上创建vol-》创建qtree-》创建lun A、 分配磁盘给N5200 首先我们需要将磁盘分配给N5200，初始状态下，磁盘是不属于任何一台N5200的，此时用disk show –v命令查看，可以看见磁盘的owner项显示为Not Owned状态。 执行disk assign 分配磁盘给NAS Nas1> disk show -v DISK OWNER POOL SERIAL NUMBER CHKSUM 0a.1L0 not owner Pool0 600A0B8000321F8A00000503474C9472Block 0d.3L1 not owner Pool0 600A0B8000321D5C000011AB474C9489Block 0a.1L2 not owner Pool0 600A0B8000321F8A00000506474CB172Block 0d.3L3 not owner Pool0 600A0B8000321D5C000011B0474CC499Block 0a.1L4 not owner Pool0 600A0B8000321F8A0000050A474CC4D6Block 0d.3L5 not owner Pool0 600A0B8000321D5C000011B1474CC4D7Block 0a.1L6 not owner Pool0 600A0B8000321F8A0000050C474CC50EBlock 0d.3L7 not owner Pool0 600A0B8000321D5C000011B2474CC50FBlock Nas1> disk assign 0d.3L1 disk assign: DisWed Dec 02 18:35:36 GMT [diskown.changingOwner:info]: changing ownership for disk 0d.3L1 (S/N 75065711200) from unowned (ID -1) to (101202360) disk assigned but unable to obtain owner name. Re-run 'disk assign' with -o option to specify name. nas1>disk show -v DISK OWNER POOL SERIAL NUMBER CHKSUM 0a.1L0 nas1 (101202360) Pool0 600A0B8000321F8A00000503474C9472Block 0d.3L1 nas1 (101202360) Pool0 600A0B8000321D5C000011AB474C9489Block 0a.1L2 not owner Pool0 600A0B8000321F8A00000506474CB172Block 0d.3L3 not owner Pool0 600A0B8000321D5C000011B0474CC499Block 0a.1L4 not owner Pool0 600A0B8000321F8A0000050A474CC4D6Block 0d.3L5 not owner Pool0 600A0B8000321D5C000011B1474CC4D7Block 0a.1L6 not owner Pool0 600A0B8000321F8A0000050C474CC50EBlock 0d.3L7 not owner Pool0 600A0B8000321D5C000011B2474CC50FBlock 磁盘最好一块一块的添加，一次添加多块有时候会出现failure的现象，此时可通过重启nas解决。 磁盘添加完成后如下： nas1>disk show -v DISK OWNER POOL SERIAL NUMBER CHKSUM 0a.1L0 nas1 (101202360) Pool0 600A0B8000321F8A00000503474C9472Block 0d.3L1 nas1 (101202360) Pool0 600A0B8000321D5C000011AB474C9489Block 0a.1L2 nas1 (101202360) Pool0 600A0B8000321F8A00000506474CB172Block 0d.3L3 nas1 (101202360) Pool0 600A0B8000321D5C000011B0474CC499Block 0a.1L4 nas1 (101202360) Pool0 600A0B8000321F8A0000050A474CC4D6Block 0d.3L5 nas1 (101202360) Pool0 600A0B8000321D5C000011B1474CC4D7Block 0a.1L6 nas1 (101202360) Pool0 600A0B8000321F8A0000050C474CC50EBlock B、 0d.3L7 nas1 (101202360) Pool0 600A0B8000321D5C000011B2474CC50FBlock C、 划分aggr Aggr是aggregate的缩写，意为合集，在NAS中可将多块盘划分为一个合集，关于合集的具体含义请参考《 IBM SYSTEM Storage N series redbook》红皮
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。系统默认情况下会创建一个aggr0用于root volume。 创建合集： aggr create txcc –r 8 –d 0d.3L1 0a.1L2 0d.3L3 0a.1L4 0d.3L5 0a.1L6 0d.3L7 txcc为aggr名 –r表示此合集中添加的磁盘数，最大为14块磁盘，-d表示添加的磁盘名称。创建完成后可通过aggr status和sysconfig -r命令查看。 nas1> aggr status Aggr State Status Options aggr0 online raid0, aggr root txcconline raid0, aggr raidsize=14 nas1> sysconfig -r Aggregate aggr0 (online, raid0) (block checksums) Plex /aggr0/plex0 (online, normal, active) RAID group /aggr0/plex0/rg0 (normal) RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- data 0a.0L0 0a - - - LUN N/A 416908/853827584 421120/862453760 Aggregate txcc (online, raid0) (block checksums) Plex /txcc/plex0 (online, normal, active) RAID group /txcc10/plex0/rg0 (normal) RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- data 0d.2L1 0d - - - LUN N/A 416908/853827584 421120/862453760 data 0a.0L2 0a - - - LUN N/A 416908/853827584 421120/862453760 data 0d.2L3 0d - - - LUN N/A 416908/853827584 421120/862453760 data 0a.0L4 0a - - - LUN N/A 416908/853827584 421120/862453760 data 0d.2L5 0d - - - LUN N/A 416908/853827584 421120/862453760 data 0a.0L6 0a - - - LUN N/A 416908/853827584 421120/862453760 data 0d.2L7 0d - - - LUN N/A 416908/853827584 421120/862453760 data 0a.0L8 0a - - - LUN N/A 416908/853827584 421120/862453760 Spare disks (empty) Partner disks RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- partner 0a.0L30 0a - - - LUN N/A 0/0 149406/305984000 partner 0a.0L28 0a - - - LUN N/A 0/0 421120/862453760 partner 0a.0L26 0a - - - LUN N/A 0/0 421120/862453760 partner 0a.0L24 0a - - - LUN N/A 0/0 421120/862453760 partner 0a.0L22 0a - - - LUN N/A 0/0 421120/862453760 partner 0a.0L20 0a - - - LUN N/A 0/0 421120/862453760 partner 0a.0L18 0a - - - LUN N/A 0/0 421120/862453760 partner 0d.2L29 0d - - - LUN N/A 0/0 148736/304611328 partner 0d.2L27 0d - - - LUN N/A 0/0 421120/862453760 partner 0d.2L25 0d - - - LUN N/A 0/0 421120/862453760 partner 0d.2L23 0d - - - LUN N/A 0/0 421120/862453760 partner 0d.2L21 0d - - - LUN N/A 0/0 421120/862453760 partner 0d.2L19 0d - - - LUN N/A 0/0 421120/862453760 partner 0d.2L17 0d - - - LUN N/A 0/0 421120/862453760 Partner disks表示备机挂载的磁盘。 通过aggr show_space命令查看创建的合集空间分配： nas1> aggr show_space Aggregate 'txcc' Total space WAFL reserve Snap reserve Usable space 3415142400KB 341514240KB 153681408KB 2919946752KB Space allocated to volumes in the aggregate Volume Allocated Used Guarantee vol10 2883586504KB 2476096KB volume Aggregate Allocated Used Avail Total space 2883586504KB 2476096KB 36253632KB Snap reserve 153681408KB 226840KB 153454568KB WAFL reserve 341514240KB 106672KB 341407568KB Aggregate 'aggr0' Total space WAFL reserve Snap reserve Usable space 426892800KB 42689280KB 19210176KB 364993344KB Space allocated to volumes in the aggregate Volume Allocated Used Guarantee vol0 364659204KB 43780KB volume Aggregate Allocated Used Avail Total space 364659204KB 43780KB 343840KB Snap reserve 19210176KB 921648KB 18288528KB WAFL reserve 42689280KB 13476KB 42675804KB 其中Total space是aggr的总大小，WAFL reserve，Snap reserve是NAS用作数据备份的保留空间，Usable space是可用存储空间。在aggr上创建的vol空间小于等于Usable space，即Usable space是100G，则vol最大只能创建100G。 创建vol: Aggr创建完成后，创建vol,默认情况下系统已经创建了一个vol0，属性为root即系统创建的root volume。 nas1> vol create vol100 txcc 1g Creation of volume 'vol100' with size 1g on containing aggregate 'txcc' has completed. nas1> vol status Volume State Status Options vol0 online raid0, flex root vol100 online raid0, flex nas1> vol size vol100---查看创建的vol大小 vol size: Flexible volume 'vol100' has size 1g. 创建qtree: Qtree类似于一个链接，用于链接vol和lun的关系 nas1> qtree create /vol/vol100/q100 nas1> qtree status Volume Tree Style Oplocks Status -------- -------- ----- -------- --------- vol0 unix enabled normal vol100 unix enabled normal vol100 q100 unix enabled normal 创建LUN： nas1> lun setup This setup will take you through the steps needed to create LUNs and to make them accessible by initiators. You can type ^C (Control-C) at any time to abort the setup and no unconfirmed changes will be made to the system. Do you want to create a LUN? [y]: --是否创建lun Multiprotocol type of LUN (solaris/windows/hpux/aix/linux/netware/vmware/windows_gpt) [linux]: --LUN mapping类型 A LUN path must be absolute. A LUN can only reside in a volume or qtree root. For example, to create a LUN with name "lun0" in the qtree root /vol/vol1/q0, specify the path as "/vol/vol1/q0/lun0". Enter LUN path: vol/vol100/q100/lun100 –LUN路径 "vol/vol100/q100/lun100" is not a valid LUN path. Valid LUN paths should be absolute and should start with /vol/. Enter LUN path: /vol/vol100/q100/lun100 A LUN can be created with or without space reservations being enabled. Space reservation guarantees that data writes to that LUN will never fail. Do you want the LUN to be space reserved? [y]: n –是否需要保留空间，如果y会降低可用空间 Size for a LUN is specified in bytes. You can use single-character multiplier suffixes: b(sectors), k(KB), m(MB), g(GB) or t(TB). Enter LUN size: 1G –LUN大小，要小于vol空间，因为vol会用掉20%左右空间做snapshot，可用df命令查看可用的vol空间。 nas1> df Filesystem kbytes used avail capacity Mounted on /vol/vol100/ 838864 132 838732 0% /vol/vol100/ /vol/vol100/.snapshot 209712 0 209712 0% /vol/vol100/.snapshot The maximum size of a LUN that can be created in volume vol100 is 817m (856686592) –如果你输入的空间数超过可用空间，系统会
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目前最大可用空间数是多少。 Enter LUN size: 817m You can add a comment string to describe the contents of the LUN. Please type a string (without quotes), or hit ENTER if you don't want to supply a comment. Enter comment string: test --lun说明字符串 The LUN will be accessible to an initiator group. You can use an existing group name, or supply a new name to create a new initiator group. Enter '?' to see existing initiator group names. Name of initiator group []: --属于哪个initiator group随便填，即时创建 Type of initiator group tx1 (FCP/iSCSI) [iSCSI]: ---使用协议，这里是iscsi An iSCSI initiator group is a collection of initiator node names.Each node name can begin with either 'eui.' or 'iqn.' and should be in the following formats: eui.{EUI-64 address} or iqn.yyyy-mm.{reversed domai
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