浙江泰隆商业银行测试报告
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浙江泰隆商业银行存储测试 2009.08.24-28
© 2009 IBM Corporation
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
– XIV Host Mapping (4*500GB LUN)
– Install XIV HAK 1.0.3 on AIX 5.3 TL9
– Install XIV CLI 2பைடு நூலகம்4.1 on AIX
– Change MPIO to “failover” mode ( for AIX 5.3 TL9 or older)
– Once hardware restore, VG will automatic resync through “varyonvg” command
• Issue “lsvg vgname” to check “ stale partition” number, if 0 means full sync.
© 2009 IBM Corporation
测试内容（4）
▪ 在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix
– Install Informix dynamic server 11.50
– Create a application that insert data into database every second – Run “onmode –c block” as informix
• Change fc_erro_ercov to “fast_fail” if SAN env • #Chhba –f fast-fail –P • Change Max_xfer_size and mum_cmd_elems to desired vaules • #Chhba –m 0x200000 –n 2048 –P • Change queue-depth to 64 ( #chxiv –f 64) • Change MPIO Path Priortitization ( #chpathxiv –s d)
– Once one of mirror pair failed, all VG related operation command looks suspend – VG will be automatic recovered
• If DS8000 fail, IO Hung time is 19 seconds
© 2009 IBM Corporation
测试内容（4）
▪ 在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix
– Suggestion about Interval
• Snapshot once a hour during 8:00AM to 18:00PM • Snapshot at 22:00 PM • Snapshot at 4:00AM • Total 13 snapshot per day. • Overwrite every day • If capacity is ok, suggest to keep one week snapshot.
• less than 1 second
– Start snapshot on XIV and map snapshot LUN to P570
• very fast, 20 LUN need about 4 seconds and 40 LUN need about 7 seconds.
– Run “onmode –c unblock” as informix
▪ 在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix
© 2009 IBM Corporation
浙江泰隆商业银行存储测试架构图
P570
DS8300
XIV
© 2009 IBM Corporation
测试内容（1）
▪ 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 dedicated HBA connect with DS8K – SAN Switch Zoning isolate
• less than 1 second
– During Database suspend status, Application is waiting,don’t need stop – Run “cfgmgr” to probe new PV
– Importvg new PV
– Start new informix instance. – Informix startup ok
© 2009 IBM Corporation
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 DS8100
– DS8K Host Mapping (4*500GB LUN)
© 2009 IBM Corporation
▪ 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
– Create Mirror VG related command
• Mkvg,mirrorvg,importvg,extendvg,reducevg,varyoffvg,varyonvg,exportvg
© 2009 IBM Corporation
测试内容（3）
▪ 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 parameter
• VG Quorum : no • FC Dyntrk : yes • FC fc_err_recov : fast_fail • LV Allocate each logical partition copy : superstrict • LV The Schedule Policy : parallel • LV Mirror Write Consistency : passive • LV rw-timeout : 30
© 2009 IBM Corporation
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
– XIV Host Mapping (4*500GB LUN)
– Install XIV HAK 1.0.3 on AIX 5.3 TL9
– Install XIV CLI 2பைடு நூலகம்4.1 on AIX
– Change MPIO to “failover” mode ( for AIX 5.3 TL9 or older)
– Once hardware restore, VG will automatic resync through “varyonvg” command
• Issue “lsvg vgname” to check “ stale partition” number, if 0 means full sync.
© 2009 IBM Corporation
测试内容（4）
▪ 在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix
– Install Informix dynamic server 11.50
– Create a application that insert data into database every second – Run “onmode –c block” as informix
• Change fc_erro_ercov to “fast_fail” if SAN env • #Chhba –f fast-fail –P • Change Max_xfer_size and mum_cmd_elems to desired vaules • #Chhba –m 0x200000 –n 2048 –P • Change queue-depth to 64 ( #chxiv –f 64) • Change MPIO Path Priortitization ( #chpathxiv –s d)
– Once one of mirror pair failed, all VG related operation command looks suspend – VG will be automatic recovered
• If DS8000 fail, IO Hung time is 19 seconds
© 2009 IBM Corporation
测试内容（4）
▪ 在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix
– Suggestion about Interval
• Snapshot once a hour during 8:00AM to 18:00PM • Snapshot at 22:00 PM • Snapshot at 4:00AM • Total 13 snapshot per day. • Overwrite every day • If capacity is ok, suggest to keep one week snapshot.
• less than 1 second
– Start snapshot on XIV and map snapshot LUN to P570
• very fast, 20 LUN need about 4 seconds and 40 LUN need about 7 seconds.
– Run “onmode –c unblock” as informix
▪ 在Informix数据库下快照的最小间隔问题 Snapshot minimal interval on Informix
© 2009 IBM Corporation
浙江泰隆商业银行存储测试架构图
P570
DS8300
XIV
© 2009 IBM Corporation
测试内容（1）
▪ 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 dedicated HBA connect with DS8K – SAN Switch Zoning isolate
• less than 1 second
– During Database suspend status, Application is waiting,don’t need stop – Run “cfgmgr” to probe new PV
– Importvg new PV
– Start new informix instance. – Informix startup ok
© 2009 IBM Corporation
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 DS8100
– DS8K Host Mapping (4*500GB LUN)
© 2009 IBM Corporation
▪ 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
– Create Mirror VG related command
• Mkvg,mirrorvg,importvg,extendvg,reducevg,varyoffvg,varyonvg,exportvg
© 2009 IBM Corporation
测试内容（3）
▪ 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 parameter
• VG Quorum : no • FC Dyntrk : yes • FC fc_err_recov : fast_fail • LV Allocate each logical partition copy : superstrict • LV The Schedule Policy : parallel • LV Mirror Write Consistency : passive • LV rw-timeout : 30