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3PAR 两地三中心之 SLD 的配置方法

组网及说明

部分局点要求数据的安全冗余,提出需要建立多个数据中心,实现数据的灾备及恢复的解决方案。

下面我们根据 3PAR 存储提供的SLD,两地三中心的远程数据复制灾备方案。

接下来我们会在SLD的基础上在线转换为 3DC 的数据复制灾备方案。


配置步骤

配置场景:

System A (主存储) , System B (备存储),System C (第三数据中心存储)

要实现的是 System A <--> System B (RCFC Sync), System B <---> System C ( RCIP Period ) , System A <-- >System C (RCIP Period)


SLD Configuration

Background :

System A: 8440 IP 10.12.180.7

System B: 8400b 10.12.172.229

System C: 8400c IP 10.12.172.203

InformOS : 3.3.1 MU5

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System A:

CF8840 cli% showrcopy -qw Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Policy QW-IP Q-Status Q-Status-Qual 8400b 4 FC ready mirror_config 10.12.173.148 Started Link Information Target Node Address Status Options 8400b 0:0:2 20020002AC016068 Up - 8400b 1:0:2 21020002AC016068 Up - receive 0:0:2 20020002AC016068 Up - receive 1:0:2 21020002AC016068 Up -

System B :

8400b cli% showrcopy -qw Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Policy QW-IP Q-Status Q-Status-Qual CF8840 24 FC ready mirror_config 10.12.173.148 Started Link Information Target Node Address Status Options CF8840 0:0:2 20020002AC01AF68 Up - CF8840 1:0:2 21020002AC01AF68 Up - receive 0:0:2 20020002AC01AF68 Up - receive 1:0:2 21020002AC01AF68 Up -

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System A RCFC with System B

System A: RCIP

CF8840 cli% showport -rcip N:S:P State ---HwAddr--- IPAddr Netmask Gateway MTU Rate Duplex AutoNeg 0:3:1 ready 480FCFA34B79 192.168.200.20 255.255.255.0 - 1500 100Mbps Full Yes 1:3:1 ready 480FCFA32431 192.168.200.21 255.255.255.0 - 1500 100Mbps Full Yes ----------------------------------------------------------------------------------------- 2 CF8840 cli%

System B: RCIP

8400b cli% showport -rcip N:S:P State ---HwAddr--- IPAddr Netmask Gateway MTU Rate Duplex AutoNeg 0:3:1 ready 9418824746A1 192.168.200.10 255.255.255.0 - 1500 1Gbps Full Yes 1:3:1 ready 3464A9EA08E9 192.168.200.11 255.255.255.0 - 1500 1Gbps Full Yes --------------------------------------------------------------------------------------- 2 8400b cli%

System C: RCIP

ss8440c cli% showport -rcip N:S:P State ---HwAddr--- IPAddr Netmask Gateway MTU Rate Duplex AutoNeg 0:3:1 ready 3464A9EADAC1 192.168.200.30 255.255.255.0 - 1500 1Gbps Full Yes 1:3:1 ready 3464A9EABF69 192.168.200.31 255.255.255.0 - 1500 1Gbps Full No --------------------------------------------------------------------------------------- 2 ss8440c cli%

Verify the inter-connectivity

CF8840 cli% controlport rcip ping 192.168.200.30 0:3:1 PING 192.168.200.30 (192.168.200.30) from 192.168.200.20 : 56(84) bytes of data. 64 bytes from 192.168.200.30: icmp_seq=1 ttl=64 time=0.521 ms --- 192.168.200.30 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.521/0.521/0.521/0.000 ms CF8840 cli% CF8840 cli% controlport rcip ping 192.168.200.30 1:3:1 PING 192.168.200.30 (192.168.200.30) from 192.168.200.21 : 56(84) bytes of data. 64 bytes from 192.168.200.30: icmp_seq=1 ttl=64 time=0.534 ms --- 192.168.200.30 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.534/0.534/0.534/0.000 ms CF8840 cli% CF8840 cli% controlport rcip ping 192.168.200.31 0:3:1 PING 192.168.200.31 (192.168.200.31) from 192.168.200.20 : 56(84) bytes of data. 64 bytes from 192.168.200.31: icmp_seq=1 ttl=64 time=0.522 ms --- 192.168.200.31 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.522/0.522/0.522/0.000 ms CF8840 cli% controlport rcip ping 192.168.200.31 1:3:1 PING 192.168.200.31 (192.168.200.31) from 192.168.200.21 : 56(84) bytes of data. 64 bytes from 192.168.200.31: icmp_seq=1 ttl=64 time=0.522 ms --- 192.168.200.31 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.522/0.522/0.522/0.000 ms CF8840 cli%

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8400b cli% controlport rcip ping 192.168.200.30 0:3:1 PING 192.168.200.30 (192.168.200.30) from 192.168.200.10 : 56(84) bytes of data. 64 bytes from 192.168.200.30: icmp_seq=1 ttl=64 time=0.340 ms --- 192.168.200.30 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.340/0.340/0.340/0.000 ms 8400b cli% controlport rcip ping 192.168.200.30 1:3:1 PING 192.168.200.30 (192.168.200.30) from 192.168.200.11 : 56(84) bytes of data. 64 bytes from 192.168.200.30: icmp_seq=1 ttl=64 time=0.267 ms --- 192.168.200.30 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.267/0.267/0.267/0.000 ms 8400b cli% controlport rcip ping 192.168.200.31 1:3:1 PING 192.168.200.31 (192.168.200.31) from 192.168.200.11 : 56(84) bytes of data. 64 bytes from 192.168.200.31: icmp_seq=1 ttl=64 time=0.338 ms --- 192.168.200.31 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.338/0.338/0.338/0.000 ms 8400b cli% controlport rcip ping 192.168.200.31 0:3:1 PING 192.168.200.31 (192.168.200.31) from 192.168.200.10 : 56(84) bytes of data. 64 bytes from 192.168.200.31: icmp_seq=1 ttl=64 time=0.348 ms --- 192.168.200.31 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.348/0.348/0.348/0.000 ms 8400b cli%

======================================================================================

ss8440c cli% controlport rcip ping 192.168.200.10 0:3:1 PING 192.168.200.10 (192.168.200.10) from 192.168.200.30 : 56(84) bytes of data. 64 bytes from 192.168.200.10: icmp_seq=1 ttl=64 time=0.205 ms --- 192.168.200.10 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.205/0.205/0.205/0.000 ms ss8440c cli% controlport rcip ping 192.168.200.10 1:3:1 PING 192.168.200.10 (192.168.200.10) from 192.168.200.31 : 56(84) bytes of data. 64 bytes from 192.168.200.10: icmp_seq=1 ttl=64 time=0.260 ms --- 192.168.200.10 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.260/0.260/0.260/0.000 ms ss8440c cli% controlport rcip ping 192.168.200.11 1:3:1 PING 192.168.200.11 (192.168.200.11) from 192.168.200.31 : 56(84) bytes of data. 64 bytes from 192.168.200.11: icmp_seq=1 ttl=64 time=0.253 ms --- 192.168.200.11 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.253/0.253/0.253/0.000 ms ss8440c cli% controlport rcip ping 192.168.200.11 0:3:1 PING 192.168.200.11 (192.168.200.11) from 192.168.200.30 : 56(84) bytes of data. 64 bytes from 192.168.200.11: icmp_seq=1 ttl=64 time=0.255 ms --- 192.168.200.11 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.255/0.255/0.255/0.000 ms ss8440c cli% ================================================================================= ss8440c cli% controlport rcip ping 192.168.200.20 0:3:1 PING 192.168.200.20 (192.168.200.20) from 192.168.200.30 : 56(84) bytes of data. 64 bytes from 192.168.200.20: icmp_seq=1 ttl=64 time=0.395 ms --- 192.168.200.20 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.395/0.395/0.395/0.000 ms ss8440c cli% controlport rcip ping 192.168.200.20 1:3:1 PING 192.168.200.20 (192.168.200.20) from 192.168.200.31 : 56(84) bytes of data. 64 bytes from 192.168.200.20: icmp_seq=1 ttl=64 time=0.433 ms --- 192.168.200.20 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.433/0.433/0.433/0.000 ms ss8440c cli% controlport rcip ping 192.168.200.21 1:3:1 PING 192.168.200.21 (192.168.200.21) from 192.168.200.31 : 56(84) bytes of data. 64 bytes from 192.168.200.21: icmp_seq=1 ttl=64 time=0.433 ms --- 192.168.200.21 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.433/0.433/0.433/0.000 ms ss8440c cli% controlport rcip ping 192.168.200.21 0:3:1 PING 192.168.200.21 (192.168.200.21) from 192.168.200.30 : 56(84) bytes of data. 64 bytes from 192.168.200.21: icmp_seq=1 ttl=64 time=0.392 ms --- 192.168.200.21 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.392/0.392/0.392/0.000 ms ss8440c cli%

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Above opertion ensure all RCIP connectivity is ok.

Create SLD

CF8840 cli% creatercopytarget 8400c IP 0:3:1:192.168.200.30 1:3:1:192.168.200.31 CF8840 cli% CF8840 cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400b 4 FC ready 2FF70002AC016068 mirror_config 8400c 5 IP new - mirror_config Link Information Target Node Address Status Options 8400b 0:0:2 20020002AC016068 Up - 8400b 1:0:2 21020002AC016068 Up - 8400c 0:3:1 192.168.200.30 Down - 8400c 1:3:1 192.168.200.31 Down - receive 0:0:2 20020002AC016068 Up - receive 1:0:2 21020002AC016068 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - ================================================================================= 8400b cli% creatercopytarget 8400c IP 0:3:1:192.168.200.30 1:3:1:192.168.200.31 8400b cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400c 25 IP new - mirror_config CF8840 24 FC ready 2FF70002AC01AF68 mirror_config Link Information Target Node Address Status Options 8400c 0:3:1 192.168.200.30 Down - 8400c 1:3:1 192.168.200.31 Down - CF8840 0:0:2 20020002AC01AF68 Up - CF8840 1:0:2 21020002AC01AF68 Up - receive 0:0:2 20020002AC01AF68 Up - receive 1:0:2 21020002AC01AF68 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up -

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System C : Creatercopytarget with System A

ss8440c cli% creatercopytarget CF8840 IP 0:3:1:192.168.200.20 1:3:1:192.168.200.21 ss8440c cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy CF8840 13 IP new - mirror_config ss20800 11 FC ready 2FF70002AC01A146 mirror_config Link Information Target Node Address Status Options CF8840 0:3:1 192.168.200.20 Down - CF8840 1:3:1 192.168.200.21 Down - ss20800 2:0:1 22320002AC01A146 Up - ss20800 3:0:1 23320002AC01A146 Up - receive 2:0:1 22320002AC01A146 Up - receive 3:0:1 23320002AC01A146 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information

System C : Creatercopytarget with System B

ss8440c cli% creatercopytarget 8400b IP 0:3:1:192.168.200.10 1:3:1:192.168.200.11 ss8440c cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400b 14 IP ready - mirror_config CF8840 13 IP ready - mirror_config ss20800 11 FC ready 2FF70002AC01A146 mirror_config Link Information Target Node Address Status Options 8400b 0:3:1 192.168.200.10 Up - 8400b 1:3:1 192.168.200.11 Up - CF8840 0:3:1 192.168.200.20 Up - CF8840 1:3:1 192.168.200.21 Up - ss20800 2:0:1 22320002AC01A146 Up - ss20800 3:0:1 23320002AC01A146 Up - receive 2:0:1 22320002AC01A146 Up - receive 3:0:1 23320002AC01A146 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up -

========================================================================================

Above SLD linkage created sucessully.

System A : create SLD RCG ---- Only create at System A

CF8840 cli% creatercopygroup boc 8400b:sync 8400c:periodic CF8840 cli% CF8840 cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400b 4 FC ready 2FF70002AC016068 mirror_config 8400c 5 IP ready - mirror_config Link Information Target Node Address Status Options 8400b 0:0:2 20020002AC016068 Up - 8400b 1:0:2 21020002AC016068 Up - 8400c 0:3:1 192.168.200.30 Up - 8400c 1:3:1 192.168.200.31 Up - receive 0:0:2 20020002AC016068 Up - receive 1:0:2 21020002AC016068 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information Name Target Status Role Mode Options boc 8400b New Primary Sync LocalVV ID RemoteVV ID SyncStatus LastSyncTime Name Target Status Role Mode Options boc 8400c New Primary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime

System B ---- You can displayed created the RCG

8400b cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400c 25 IP ready - mirror_config CF8840 24 FC ready 2FF70002AC01AF68 mirror_config Link Information Target Node Address Status Options 8400c 0:3:1 192.168.200.30 Up - 8400c 1:3:1 192.168.200.31 Up - CF8840 0:0:2 20020002AC01AF68 Up - CF8840 1:0:2 21020002AC01AF68 Up - receive 0:0:2 20020002AC01AF68 Up - receive 1:0:2 21020002AC01AF68 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information Name Target Status Role Mode Options boc.r110440 8400c Backup Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime Name Target Status Role Mode Options boc.r110440 CF8840 New Secondary Sync LocalVV ID RemoteVV ID SyncStatus LastSyncTime

System C ---- You can also displayed created RCG

ss8440c cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400b 14 IP ready - mirror_config CF8840 13 IP ready - mirror_config ss20800 11 FC ready 2FF70002AC01A146 mirror_config Link Information Target Node Address Status Options 8400b 0:3:1 192.168.200.10 Up - 8400b 1:3:1 192.168.200.11 Up - CF8840 0:3:1 192.168.200.20 Up - CF8840 1:3:1 192.168.200.21 Up - ss20800 2:0:1 22320002AC01A146 Up - ss20800 3:0:1 23320002AC01A146 Up - receive 2:0:1 22320002AC01A146 Up - receive 3:0:1 23320002AC01A146 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information Name Target Status Role Mode Options Wangyiming.r106822 ss20800 Started Primary Sync path_management,auto_synchronize LocalVV ID RemoteVV ID SyncStatus LastSyncTime CpzcWangYimingVolume.r 67731 CpzcWangYimingVolume 63473 Synced NA wymdata1.r 67732 wymdata1 63651 Synced NA Name Target Status Role Mode Options boc.r110440 8400b Backup Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime Name Target Status Role Mode Options boc.r110440 CF8840 New Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime Name Target Status Role Mode Options testgroup01 ss20800 Stopped Primary Sync path_management LocalVV ID RemoteVV ID SyncStatus LastSyncTime vv01 67763 vv01.r 64611 Stopped 2021-02-26 10:41:38 CST ss8440c cli%

================================================================================

Create VVs at three sites

System A Create One VV size=300G VV_WWN=60002AC0000000000000029A0001AF68 CF8840 cli% showvvcpg boc.a -----(MB)----- -New (MB)-- Name CPG Adm Snp Usr Adm Snp Usr boc.a SSD_r5 0 0 307200 0 0 0 --------------------------------------- 1 - 0 0 307200 0 0 0 CF8840 cli% CF8840 cli% setvv -snp_cpg SSD_r5 boc.a CF8840 cli% CF8840 cli% showvvcpg boc.a -----(MB)----- -New (MB)-- Name CPG Adm Snp Usr Adm Snp Usr boc.a SSD_r5 256 512 307200 0 0 0 --------------------------------------- 1 - 256 512 307200 0 0 0 CF8840 cli% CF8840 cli% showvv -d boc.a Id Name Rd Mstr Prnt Roch Rwch PPrnt SPrnt PBlkRemain -------------VV_WWN------------- -----CreationTime------ Udid 666 boc.a RW 1/0/- --- --- --- --- -- -- 60002AC0000000000000029A0001AF68 2020-12-02 16:17:10 CST 666 ---------------------------------------------------------------------------------------------------------------------- 1 total 0 CF8840 cli% ============================================================================== System B Create VV size=350G VV_WWN=60002AC00000000000002A9D00016068 8400b cli% createvv -tpvv -snp_cpg FC_r5 FC_r5 boc.b 350g 8400b cli% 8400b cli% showvv -d boc.b Id Name Rd Mstr Prnt Roch Rwch PPrnt SPrnt PBlkRemain -------------VV_WWN------------- -----CreationTime------ Udid 10909 boc.b RW 0/1/- --- --- --- --- -- -- 60002AC00000000000002A9D00016068 2021-02-26 11:33:08 CST 10909 ------------------------------------------------------------------------------------------------------------------------- 1 total 0 8400b cli% ================================================================================== System C Create VV size=350g VV_WWN=60002AC000000000000108B50001A130 ss8440c cli% createvv -tpvv -snp_cpg FC_r6 FC_r5 boc.c 350g ss8440c cli% showvv -d boc.c Id Name Rd Mstr Prnt Roch Rwch PPrnt SPrnt PBlkRemain -------------VV_WWN------------- -----CreationTime------ Udid 67765 boc.c RW 0/1/3 --- --- --- --- -- -- 60002AC000000000000108B50001A130 2021-02-26 13:21:18 CST 67765 ------------------------------------------------------------------------------------------------------------------------- 1 total 0 ss8440c cli% ss8440c cli% showvvcpg boc.c ----(MB)----- -New (MB)-- Name CPG Adm Snp Usr Adm Snp Usr boc.c FC_r6 0 1024 0 0 0 0 boc.c FC_r5 256 0 1024 0 0 0 ------------------------------------- 1 - 256 1024 1024 0 0 0 ss8440c cli%

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Above three Storage Create VV with snap_CPG. Done

System A admitrcopyvv ONLY

CF8840 cli% admitrcopyvv boc.a boc 8400b:boc.b 8400c:boc.c Error: Command failed on target system 8400b, returned error: Volume boc.b has wrong size, 358400 MB != 307200 MB. CF8840 cli%

Attention: All sites VV MUST BE the same size.

**Only tried to re-created 8400b storage VV** 8400b cli% createvv -tpvv -snp_cpg FC_r5 FC_r5 boc.b 300g 8400b cli% Still Fail to admitrcopyvv, since site C the vv size not the same with A&B CF8840 cli% admitrcopyvv boc.a boc 8400b:boc.b 8400c:boc.c Error: Command failed on target system 8400c, returned error: Volume boc.c has wrong size, 358400 MB != 307200 MB. CF8840 cli% ss8440c cli% removevv -f boc.c Removing vv boc.c ss8440c cli% createvv -tpvv -snp_cpg FC_r6 FC_r5 boc.c 300g ss8440c cli% showvvcpg boc.c ----(MB)----- -New (MB)-- Name CPG Adm Snp Usr Adm Snp Usr boc.c FC_r6 0 1024 0 0 0 0 boc.c FC_r5 256 0 1024 0 0 0 ------------------------------------- 1 - 256 1024 1024 0 0 0 ss8440c cli%

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System A admitrcopyvv AGAIN

CF8840 cli% admitrcopyvv boc.a boc 8400b:boc.b 8400c:boc.c CF8840 cli%

Check the SLD VV status

System A:

CF8840 cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400b 4 FC ready 2FF70002AC016068 mirror_config 8400c 5 IP ready - mirror_config Link Information Target Node Address Status Options 8400b 0:0:2 20020002AC016068 Up - 8400b 1:0:2 21020002AC016068 Up - 8400c 0:3:1 192.168.200.30 Up - 8400c 1:3:1 192.168.200.31 Up - receive 0:0:2 20020002AC016068 Up - receive 1:0:2 21020002AC016068 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information Name Target Status Role Mode Options boc 8400b New Primary Sync LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.a 666 boc.b 10910 New NA Name Target Status Role Mode Options boc 8400c New Primary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.a 666 boc.c 67766 New NA

System B:

8400b cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400c 25 IP ready - mirror_config CF8840 24 FC ready 2FF70002AC01AF68 mirror_config Link Information Target Node Address Status Options 8400c 0:3:1 192.168.200.30 Up - 8400c 1:3:1 192.168.200.31 Up - CF8840 0:0:2 20020002AC01AF68 Up - CF8840 1:0:2 21020002AC01AF68 Up - receive 0:0:2 20020002AC01AF68 Up - receive 1:0:2 21020002AC01AF68 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information Name Target Status Role Mode Options boc.r110440 8400c Backup Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.b 10910 boc.c 67766 New NA Name Target Status Role Mode Options boc.r110440 CF8840 New Secondary Sync LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.b 10910 boc.a 666 New NA

System C:

ss8440c cli% showrcopy Remote Copy System Information Status: Started, Normal Target Information Name ID Type Status Options Policy 8400b 14 IP ready - mirror_config CF8840 13 IP ready - mirror_config ss20800 11 FC ready 2FF70002AC01A146 mirror_config Link Information Target Node Address Status Options 8400b 0:3:1 192.168.200.10 Up - 8400b 1:3:1 192.168.200.11 Up - CF8840 0:3:1 192.168.200.20 Up - CF8840 1:3:1 192.168.200.21 Up - ss20800 2:0:1 22320002AC01A146 Up - ss20800 3:0:1 23320002AC01A146 Up - receive 2:0:1 22320002AC01A146 Up - receive 3:0:1 23320002AC01A146 Up - receive 0:3:1 receive Up - receive 1:3:1 receive Up - Group Information Name Target Status Role Mode Options Wangyiming.r106822 ss20800 Started Primary Sync path_management,auto_synchronize LocalVV ID RemoteVV ID SyncStatus LastSyncTime CpzcWangYimingVolume.r 67731 CpzcWangYimingVolume 63473 Synced NA wymdata1.r 67732 wymdata1 63651 Synced NA Name Target Status Role Mode Options boc.r110440 8400b Backup Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.c 67766 boc.b 10910 New NA Name Target Status Role Mode Options boc.r110440 CF8840 New Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.c 67766 boc.a 666 New NA

Start RCG on System A ONLY

System A:

CF8840 cli% startrcopygroup boc Group boc starts, task ID = 13462 13463 CF8840 cli% showrcopy groups boc Remote Copy System Information Status: Started, Normal Group Information Name Target Status Role Mode Options boc 8400b Started Primary Sync LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.a 666 boc.b 10910 Syncing (0%) NA Name Target Status Role Mode Options boc 8400c Started Primary Periodic Last-Sync 2021-02-26 13:37:49 CST, over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.a 666 boc.c 67766 Syncing (0%) NA CF8840 cli%

System B:

8400b cli% showrcopy groups boc.r110440 Remote Copy System Information Status: Started, Normal Group Information Name Target Status Role Mode Options boc.r110440 8400c Backup Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.b 10910 boc.c 67766 Syncing NA Name Target Status Role Mode Options boc.r110440 CF8840 Started Secondary Sync LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.b 10910 boc.a 666 Syncing NA 8400b cli%

System C:

ss8440c cli% showrcopy groups boc.r110440 Remote Copy System Information Status: Started, Normal Group Information Name Target Status Role Mode Options boc.r110440 8400b Backup Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.c 67766 boc.b 10910 New NA Name Target Status Role Mode Options boc.r110440 CF8840 Started Secondary Periodic over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.c 67766 boc.a 666 Syncing NA ss8440c cli%

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Check the Performance

System A:

CF8840 cli% statrcopy -hb 13:44:06 02/26/2021 -Tput(KBytes per sec)- ---HB Round Trip(ms)--- -Write Same Zero(KBytes per sec)- Target Node Address Current Average Current Average Max Current Average --------------------------------------------------------------------------------------------------------------------- 8400b 0:0:2 20020002AC016068 6487.76 6713.72 0.26 0.26 0.28 0.00 0.58 8400b 1:0:2 21020002AC016068 6670.50 6605.44 0.26 0.26 0.28 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- 8400b 13158.27 13319.15 0.26 0.26 0.28 0.00 0.00 8400c 0:3:1 192.168.200.30 4706.46 5795.71 25.11 205.69 1620.88 0.00 0.58 8400c 1:3:1 192.168.200.31 2488.09 5801.20 38.73 174.15 1371.05 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- 8400c 7194.54 11596.91 31.92 189.89 1620.88 0.00 0.00 receive 0:0:2 20020002AC016068 19.56 20.75 n/a n/a n/a 0.00 0.00 receive 1:0:2 21020002AC016068 19.21 19.48 n/a n/a n/a 0.00 0.00 receive 0:3:1 receive 18.85 17.95 n/a n/a n/a 0.00 0.00 receive 1:3:1 receive 17.07 17.48 n/a n/a n/a 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- Receive 74.69 75.66 n/a n/a n/a 0.00 0.00 Send 20352.81 24916.06 16.09 94.97 1620.88 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- Total 20427.50 24991.73 16.09 94.97 1620.88 0.00 0.00 Press the enter key to stop... 13:44:08 02/26/2021 -Tput(KBytes per sec)- ---HB Round Trip(ms)--- -Write Same Zero(KBytes per sec)- Target Node Address Current Average Current Average Max Current Average --------------------------------------------------------------------------------------------------------------------- 8400b 0:0:2 20020002AC016068 6810.64 6714.57 0.25 0.26 0.28 0.00 0.57 8400b 1:0:2 21020002AC016068 6788.96 6607.05 0.26 0.26 0.28 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- 8400b 13599.60 13321.61 0.26 0.26 0.28 0.00 0.00 8400c 0:3:1 192.168.200.30 6595.98 5802.73 171.11 205.39 1620.88 0.00 0.57 8400c 1:3:1 192.168.200.31 6594.96 5808.16 54.50 173.11 1371.05 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- 8400c 13190.95 11610.89 112.80 189.22 1620.88 0.00 0.00 receive 0:0:2 20020002AC016068 22.13 20.77 n/a n/a n/a 0.00 0.00 receive 1:0:2 21020002AC016068 20.60 19.49 n/a n/a n/a 0.00 0.00 receive 0:3:1 receive 18.10 17.95 n/a n/a n/a 0.00 0.00 receive 1:3:1 receive 16.76 17.48 n/a n/a n/a 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- Receive 77.59 75.68 n/a n/a n/a 0.00 0.00 Send 26790.55 24932.50 56.53 94.63 1620.88 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- Total 26868.14 25008.18 56.53 94.63 1620.88 0.00 0.00 Press the enter key to stop...

System B:

8400b cli% statrcopy -hb 13:49:48 02/26/2021 -Tput(KBytes per sec)- -HB Round Trip(ms)- -Write Same Zero(KBytes per sec)- Target Node Address Current Average Current Average Max Current Average ----------------------------------------------------------------------------------------------------------------- 8400c 0:3:1 192.168.200.30 0.00 0.00 n/a n/a n/a 0.00 0.00 8400c 1:3:1 192.168.200.31 0.00 0.00 n/a n/a n/a 0.00 0.00 ----------------------------------------------------------------------------------------------------------------- 8400c 0.00 0.00 n/a n/a n/a 0.00 0.00 CF8840 0:0:2 20020002AC01AF68 0.00 0.00 n/a n/a n/a 0.00 0.00 CF8840 1:0:2 21020002AC01AF68 0.00 0.00 n/a n/a n/a 0.00 0.00 ----------------------------------------------------------------------------------------------------------------- CF8840 0.00 0.00 n/a n/a n/a 0.00 0.00 receive 0:0:2 20020002AC01AF68 964.96 964.96 n/a n/a n/a 5849.47 5849.47 receive 1:0:2 21020002AC01AF68 896.39 896.39 n/a n/a n/a 5995.80 5995.80 receive 0:3:1 receive 9.49 9.49 n/a n/a n/a 0.00 0.00 receive 1:3:1 receive 9.00 9.00 n/a n/a n/a 0.00 0.00 ----------------------------------------------------------------------------------------------------------------- Receive 1879.84 1879.84 n/a n/a n/a 11845.28 11.85 Send 0.00 0.00 n/a n/a n/a 0.00 0.00 ----------------------------------------------------------------------------------------------------------------- Total 1879.84 1879.84 n/a n/a n/a 11845.28 11.85 Press the enter key to stop... 13:50:27 02/26/2021 -Tput(KBytes per sec)- ---HB Round Trip(ms)--- -Write Same Zero(KBytes per sec)- Target Node Address Current Average Current Average Max Current Average --------------------------------------------------------------------------------------------------------------------- 8400c 0:3:1 192.168.200.30 9.13 9.06 1000.09 1000.09 1000.09 0.00 0.00 8400c 1:3:1 192.168.200.31 8.94 8.80 1000.38 1000.38 1000.38 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- 8400c 18.07 17.87 1000.23 1000.23 1000.38 0.00 0.00 CF8840 0:0:2 20020002AC01AF68 8.96 9.06 0.25 5.72 8.14 0.00 0.00 CF8840 1:0:2 21020002AC01AF68 9.15 9.30 19.11 18.60 19.11 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- CF8840 18.11 18.35 9.68 12.16 19.11 0.00 0.00 receive 0:0:2 20020002AC01AF68 6663.47 6725.88 n/a n/a n/a 0.00 0.00 receive 1:0:2 21020002AC01AF68 6694.88 6697.10 n/a n/a n/a 0.00 0.00 receive 0:3:1 receive 9.19 9.57 n/a n/a n/a 0.00 0.00 receive 1:3:1 receive 8.94 9.03 n/a n/a n/a 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- Receive 13376.48 13441.58 n/a n/a n/a 0.00 0.00 Send 36.18 36.22 504.96 499.78 1000.38 0.00 0.00 --------------------------------------------------------------------------------------------------------------------- Total 13412.66 13477.80 504.96 499.78 1000.38 0.00 0.00

System C:

ss8440c cli% statrcopy -hb 13:43:52 02/26/2021 -Tput(KBytes per sec)- --HB Round Trip(ms)--- -Write Same Zero(KBytes per sec)- Target Node Address Current Average Current Average Max Current Average -------------------------------------------------------------------------------------------------------------------- 8400b 0:3:1 192.168.200.10 9.20 9.60 0.25 0.24 0.25 0.00 0.00 8400b 1:3:1 192.168.200.11 8.95 8.95 0.27 0.25 0.27 0.00 0.00 -------------------------------------------------------------------------------------------------------------------- 8400b 18.15 18.55 0.26 0.25 0.27 0.00 0.00 CF8840 0:3:1 192.168.200.20 20.65 18.02 38.79 172.89 883.90 0.00 0.00 CF8840 1:3:1 192.168.200.21 14.19 17.27 140.24 111.36 446.21 0.00 0.00 -------------------------------------------------------------------------------------------------------------------- CF8840 34.85 35.29 89.51 141.86 883.90 0.00 0.00 ss20800 2:0:1 22320002AC01A146 9.22 10.09 0.24 0.25 0.29 0.00 0.00 ss20800 3:0:1 23320002AC01A146 8.97 9.19 0.29 0.31 0.39 0.00 0.00 -------------------------------------------------------------------------------------------------------------------- ss20800 18.19 19.28 0.27 0.28 0.39 0.00 0.00 receive 2:0:1 22320002AC01A146 9.22 10.01 n/a n/a n/a 0.00 0.00 receive 3:0:1 23320002AC01A146 8.97 8.98 n/a n/a n/a 0.00 0.00 receive 0:3:1 receive 7847.33 5880.79 n/a n/a n/a 0.00 2.25 receive 1:3:1 receive 3602.00 5603.55 n/a n/a n/a 0.00 0.00 -------------------------------------------------------------------------------------------------------------------- Receive 11467.52 11503.34 n/a n/a n/a 0.00 0.00 Send 71.19 73.12 30.01 47.46 883.90 0.00 0.00 -------------------------------------------------------------------------------------------------------------------- Total 11538.71 11576.46 30.01 47.46 883.90 0.00 0.00 Press the enter key to stop...

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After sync completed

System A :

CF8840 cli% showrcopy groups boc Remote Copy System Information Status: Started, Normal Group Information Name Target Status Role Mode Options boc 8400b Started Primary Sync auto_recover LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.a 666 boc.b 10910 Synced NA Name Target Status Role Mode Options boc 8400c Started Primary Periodic Last-Sync 2021-02-26 13:37:49 CST, auto_recover,over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.a 666 boc.c 67766 Synced 2021-02-26 21:57:10 CST CF8840 cli%

System B :

8400b cli% showrcopy groups boc.r110440 Remote Copy System Information Status: Started, Normal Group Information Name Target Status Role Mode Options boc.r110440 8400c Backup Secondary Periodic auto_recover,over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.b 10910 boc.c 67766 Synced 2021-02-26 22:00:26 CST Name Target Status Role Mode Options boc.r110440 CF8840 Started Secondary Sync auto_recover LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.b 10910 boc.a 666 Synced NA 8400b cli%

System C :

ss8440c cli% showrcopy groups boc.r110440 Remote Copy System Information Status: Started, Normal Group Information Name Target Status Role Mode Options boc.r110440 8400b Backup Secondary Periodic auto_recover,over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.c 67766 boc.b 10910 Synced 2021-02-26 19:38:17 CST Name Target Status Role Mode Options boc.r110440 CF8840 Started Secondary Periodic auto_recover,over_per_alert LocalVV ID RemoteVV ID SyncStatus LastSyncTime boc.c 67766 boc.a 666 Synced 2021-02-26 21:56:46 CST ss8440c cli%

配置关键点

有几个地方需要注意:

1. System A, System B, System C, 需要同步的VV大小必须一致,否则就配置失败;

2. 三地的卷类型可以不一致,也就是A可以是CPVV,B可以是TDVV, C可以是TPVV

3. 在开始同步过程中,A到C状态一直显示 New 状态,一旦同步完成后,状态会自动置为 synced 状态