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1、目 录目 录1 文档版本 . 错误！未定义书签。2 DS8000逻辑配置 . 32.1 关于虚拟化存储的几个重要概念 . 32.2 安装 DSCLI. 82.3 激活 DS8000 license. 102.4 DS8000 逻辑配置 . 112.4.1 列出 arraysite . 12 2.4.2 创建 Array . 12 2.4.3 创建 RANK . 15 2.4.4 创建 Extend Pool . 15 2.4.5 将 rank 加入到相应的 extend pool . 16 2.4.6 创建 LUN . 17 2.4.7 创建 volume group . 19 2.4.8 将
2、 LUN 加入到需要的 volume group 中 . 22 2.4.9 创建 host connection . 22 2.4.10 用脚本执行命令 . 25 2.4.11 主机端安装 SDD 软件，识别 vpath . 26 1 DS8000 逻辑配置1.1 关于虚拟化存储的几个重要概念Storage HierarchyDiskIndividual DDMsArray SitesPre-determined grouping of DDMs of same speed and capacity (8 DDMs for DS8000; 4 DDMs for DS6000)ArraysOne
3、 8-DDM Array Site used to construct one RAID array (DS8000)One or two 4-DDM Array Sites used to construct one RAID array (DS6000)RanksOne Array forms one CKD or FB Rank (4 or 8 DDMs)No fixed, pre-determined relation to LSSExtent Pools1-N Ranks form an Extent Pool (N=1/2 total ranks)All Extents in a
4、Pool are same storage type (CKD/FB); same RAID recommendedAssociated with Server0 or Server1 (DS8000) Controller 1 or Controller 2 (DS6000)Extent Extent PoolPoolRAID5 or RAID10CKD or FBExtent PoolsUser-configured to be either CKD or FBContain one or more ranks divided into fixed-size extentsCKD 3390
5、 Mod1FB 1GBRecommend one rank per pool as in example - unless large LUN size is requiredContain one or more LUNs/volumes made up of extents2 volumes in the example (2310,7501) xyzz (x=address group, xy=LSS, zz=volid)Extent pool is assigned to Server0 or Server1 during configuration ( server affinity
6、 ) By user during custom configurationBy algorithm during auto or express configurationServer1 in the example Indicated by odd-numbered LSSs23107501Extent Pool 3Rank1Minimum of 2 pools to utilize subsystem Server0 and Server1Maximum of n pools where n is the number of ranks in subsystem8 pools/8 ran
7、ks in the exampleExtent pool can contain one or more ranksRecommend one rank per extent pool unless a volume size larger than one rank is requiredOne rank per pool means pool contains LUNs/volumes on one rank onlyOne rank per pool will not constrain addresses Volumes on one rank in one pool can be i
8、n multiple LSSs Volumes on different ranks in different pools can be in the same LSS (limited by odd/even server affinity)Rank can be added to extent pool at any timeRank can be removed from extent pool if no extents on rank are currently assigned to LUNs/volumesExt. Pool 5Rank 5Ext. Pool 1Rank 1Ext
9、. Pool 3Rank 3Ext. Pool 7Rank 7Ext. Pool 4Rank 4Ext. Pool 0Rank 0Ext. Pool 2Rank 2Ext. Pool 6Rank 6LSSs/LCUsLogical grouping of volumesDetermines addressing, address group, and PAVs Max of 256 addresses in LSS 16 LSSs in an address group (00-0F, 10-1F, 20-2F, etc.) A given PAV can only be used withi
10、n one LCUAlso used for copy services PPRC paths and consistency group properties/timeoutsMaximum number of LSSsDS8000 128 at GA (max 16 ESCON CKD, max 64 FICON CKD, max 64 FB)DS6000 32 at GA (no ESCON, max 32 CKD if no FB, max 32 FB if no CKD, max 16CKD+16FB if mixed)Pre-determined association with
11、Server0 or Server1 Even LSSs associated with Server0Odd LSSs associated with Server1LSS configured to be either FB or CKDCKD during LCU creationFB during volume creationNo pre-determined relation to physical ranksNo pre-determined relation to extent pools other than server affinityOne LSS can contai
12、n volumes from different poolsOne pool can contain volumes that are in different LSSsOne LCU can contain CKD volumes of different types (3390 M3s & M9s) Many-many relationship27310501Extent Pool 3Rank127313512Extent Pool 5Rank3LSS definitionCKD during LCU creationFB during volume creationLSSs numbers are pre-grouped in groups of 16 LSSs to make up address groupsLSSs 00-0F - address group 0, LSSs 10-1F - address group 1, etc.LSS 23 in the example is in address group 2; LSS 75 in the example is in address group 7Entire address group (all 16 LSSs)
