本示例用于完成在群集中设置 SRDF 复制所需执行的特定于 Sun Cluster 的步骤。本示例假定您已执行以下任务:
已针对阵列间的复制完成 LUN 配对。
在存储设备和群集节点上安装了 SRDF 软件。
本示例涉及一个四节点群集,其中两个节点连接到一个 symmetrix,另外两个节点连接到第二个 symmetrix。SRDF 设备组名为 dg1。
在所有节点上运行以下命令。
# symcfg discover ! This operation might take up to a few minutes. # symdev list pd Symmetrix ID: 000187990182 Device Name Directors Device --------------------------- ------------ -------------------------------------- Cap Sym Physical SA :P DA :IT Config Attribute Sts (MB) --------------------------- ------------- ------------------------------------- 0067 c5t600604800001879901* 16D:0 02A:C1 RDF2+Mir N/Grp'd RW 4315 0068 c5t600604800001879901* 16D:0 16B:C0 RDF1+Mir N/Grp'd RW 4315 0069 c5t600604800001879901* 16D:0 01A:C0 RDF1+Mir N/Grp'd RW 4315 ... |
在 RDF1 端的所有节点上,键入:
# symdg -type RDF1 create dg1 # symld -g dg1 add dev 0067 |
在 RDF2 端的所有节点上,键入:
# symdg -type RDF2 create dg1 # symld -g dg1 add dev 0067 |
从群集中的一个节点上,键入:
# symdg show dg1 Group Name: dg1 Group Type : RDF1 (RDFA) Device Group in GNS : No Valid : Yes Symmetrix ID : 000187900023 Group Creation Time : Thu Sep 13 13:21:15 2007 Vendor ID : EMC Corp Application ID : SYMCLI Number of STD Devices in Group : 1 Number of Associated GK's : 0 Number of Locally-associated BCV's : 0 Number of Locally-associated VDEV's : 0 Number of Remotely-associated BCV's (STD RDF): 0 Number of Remotely-associated BCV's (BCV RDF): 0 Number of Remotely-assoc'd RBCV's (RBCV RDF) : 0 Standard (STD) Devices (1): { -------------------------------------------------------------------- Sym Cap LdevName PdevName Dev Att. Sts (MB) -------------------------------------------------------------------- DEV001 /dev/rdsk/c5t6006048000018790002353594D303637d0s2 0067 RW 4315 } Device Group RDF Information ... # symrdf -g dg1 establish Execute an RDF 'Incremental Establish' operation for device group 'dg1' (y/[n]) ? y An RDF 'Incremental Establish' operation execution is in progress for device group 'dg1'. Please wait... Write Disable device(s) on RA at target (R2)..............Done. Suspend RDF link(s).......................................Done. Mark target (R2) devices to refresh from source (R1)......Started. Device: 0067 ............................................ Marked. Mark target (R2) devices to refresh from source (R1)......Done. Merge device track tables between source and target.......Started. Device: 0067 ............................................ Merged. Merge device track tables between source and target.......Done. Resume RDF link(s)........................................Started. Resume RDF link(s)........................................Done. The RDF 'Incremental Establish' operation successfully initiated for device group 'dg1'. # # symrdf -g dg1 query Device Group (DG) Name : dg1 DG's Type : RDF2 DG's Symmetrix ID : 000187990182 Target (R2) View Source (R1) View MODES -------------------------------- ------------------------ ----- ------------ ST LI ST Standard A N A Logical T R1 Inv R2 Inv K T R1 Inv R2 Inv RDF Pair Device Dev E Tracks Tracks S Dev E Tracks Tracks MDA STATE -------------------------------- -- ------------------------ ----- ------------ DEV001 0067 WD 0 0 RW 0067 RW 0 0 S.. Synchronized Total -------- -------- -------- -------- MB(s) 0.0 0.0 0.0 0.0 Legend for MODES: M(ode of Operation): A = Async, S = Sync, E = Semi-sync, C = Adaptive Copy D(omino) : X = Enabled, . = Disabled A(daptive Copy) : D = Disk Mode, W = WP Mode, . = ACp off # |
对 RDF1 和 RDF2 端执行相同的过程。
可以在 dymdg show dg 命令输出的 PdevName 字段下查看。
在 RDF1 端,键入:
# symdg show dg1 Group Name: dg1 Group Type : RDF1 (RDFA) ... Standard (STD) Devices (1): { -------------------------------------------------------------------- Sym Cap LdevName PdevName Dev Att. Sts (MB) -------------------------------------------------------------------- DEV001 /dev/rdsk/c5t6006048000018790002353594D303637d0s2 0067 RW 4315 } Device Group RDF Information ... |
要获取对应的 DID,请键入:
# scdidadm -L | grep c5t6006048000018790002353594D303637d0 217 pmoney1:/dev/rdsk/c5t6006048000018790002353594D303637d0 /dev/did/rdsk/d217 217 pmoney2:/dev/rdsk/c5t6006048000018790002353594D303637d0 /dev/did/rdsk/d217 # |
要列出对应的 DID,请键入:
# cldevice show d217 === DID Device Instances === DID Device Name: /dev/did/rdsk/d217 Full Device Path: pmoney2:/dev/rdsk/c5t6006048000018790002353594D303637d0 Full Device Path: pmoney1:/dev/rdsk/c5t6006048000018790002353594D303637d0 Replication: none default_fencing: global # |
在 RDF2 端,键入:
可以在 dymdg show dg 命令输出的 PdevName 字段下查看。
# symdg show dg1 Group Name: dg1 Group Type : RDF2 (RDFA) ... Standard (STD) Devices (1): { -------------------------------------------------------------------- Sym Cap LdevName PdevName Dev Att. Sts (MB) -------------------------------------------------------------------- DEV001 /dev/rdsk/c5t6006048000018799018253594D303637d0s2 0067 WD 4315 } Device Group RDF Information ... |
要获取对应的 DID,请键入:
# scdidadm -L | grep c5t6006048000018799018253594D303637d0 108 pmoney4:/dev/rdsk/c5t6006048000018799018253594D303637d0 /dev/did/rdsk/d108 108 pmoney3:/dev/rdsk/c5t6006048000018799018253594D303637d0 /dev/did/rdsk/d108 # |
要列出对应的 DID,请键入:
# cldevice show d108 === DID Device Instances === DID Device Name: /dev/did/rdsk/d108 Full Device Path: pmoney3:/dev/rdsk/c5t6006048000018799018253594D303637d0 Full Device Path: pmoney4:/dev/rdsk/c5t6006048000018799018253594D303637d0 Replication: none default_fencing: global # |
从 RDF2 端,键入:
# cldevice combine -t srdf -g dg1 -d d217 d108 # |
从群集中的任何节点上,键入:
# cldevice show d217 d108 cldevice: (C727402) Could not locate instance "108". === DID Device Instances === DID Device Name: /dev/did/rdsk/d217 Full Device Path: pmoney1:/dev/rdsk/c5t6006048000018790002353594D303637d0 Full Device Path: pmoney2:/dev/rdsk/c5t6006048000018790002353594D303637d0 Full Device Path: pmoney4:/dev/rdsk/c5t6006048000018799018253594D303637d0 Full Device Path: pmoney3:/dev/rdsk/c5t6006048000018799018253594D303637d0 Replication: srdf default_fencing: global # |