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1、 2009 IBM Corporation,商业银行存储测试,测试内容,通过主机上逻辑卷管理器上的磁盘镜像功能实现XIV和DS8100之间的数据镜像 LVM Mirror Implementation Step-by-Step between XIV and DS8100当某一硬件出现故障时主机上IO挂起的问题 IO Hung Issue once one hardware failure.主机上XIV和DS8000多路径负载均衡软件的兼容性问题 OS Multi-Path Software Compatibility between DS8K SDDPCM and XIV MPIO在Info
2、rmix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix,商业银行存储测试架构图,DS8300,XIV,P570,主机上XIV和DS8000多路径负载均衡软件的兼容性问题 OS Multi-Path Software Compatibility between DS8K SDDPCM and XIV MPIO*SDDPCM 2.4.0.2 Offically be compatible with XIV MPIO 1.0.3(AIX 5.3 TL9 or above)2 dedicated HBA connect with XIV 2 de
3、dicated HBA connect with DS8KSAN Switch Zoning isolate,测试内容（1）,测试内容（2）,通过主机上逻辑卷管理器上的磁盘镜像功能实现XIV和DS8100之间的数据镜像 LVM Mirror Implementation Step-by-Step between XIV and DS8100DS8K Host Mapping(4*500GB LUN)XIV Host Mapping(4*500GB LUN)Install XIV HAK 1.0.3 on AIX 5.3 TL9Install XIV CLI 2.4.1 on AIXChange
4、 MPIO to“failover”mode(for AIX 5.3 TL9 or older)Change fc_erro_ercov to“fast_fail”if SAN env#Chhba f fast-fail PChange Max_xfer_size and mum_cmd_elems to desired vaules#Chhba m 0 x200000 n 2048 PChange queue-depth to 64(#chxiv f 64)Change MPIO Path Priortitization(#chpathxiv s d)Create Mirror VG rel
5、ated commandMkvg,mirrorvg,importvg,extendvg,reducevg,varyoffvg,varyonvg,exportvg,当某一硬件出现故障时主机上IO挂起的问题 IO Hung Issue once one hardware failure.tuning parameterVG Quorum:noFC Dyntrk:yesFC fc_err_recov:fast_failLV Allocate each logical partition copy:superstrictLV The Schedule Policy:parallelLV Mirror
6、Write Consistency:passiveLV rw-timeout:30Once one of mirror pair failed,all VG related operation command looks suspendVG will be automatic recovered If DS8000 fail,IO Hung time is 19 secondsOnce hardware restore,VG will automatic resync through“varyonvg”commandIssue“lsvg vgname”to check“stale partit
7、ion”number,if 0 means full sync.,测试内容（3）,在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on InformixInstall Informix dynamic server 11.50Create a application that insert data into database every secondRun“onmode c block”as informix less than 1 secondStart snapshot on XIV and map snapshot LUN to P57
8、0 very fast,20 LUN need about 4 seconds and 40 LUN need about 7 seconds.Run“onmode c unblock”as informix less than 1 secondDuring Database suspend status,Application is waiting,dont need stopRun“cfgmgr”to probe new PVImportvg new PV Start new informix instance.Informix startup ok,测试内容（4）,在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on InformixSuggestion about IntervalSnapshot once a hour during 8:00AM to 18:00PMSnapshot at 22:00 PMSnapshot at 4:00AMTotal 13 snapshot per day.Overwrite every dayIf capacity is ok,suggest to keep one week snapshot.,测试内容（4）,
