====== EMC symcli/Powerpath cmd ====== First install symcli List storage ID symcfg list Backup / export symcli config symdg -sid 1234 exportall -f mydgfile.txt Restore symcli config symdg -sid 1234 importall -f mydgfile.txt Location of symcli logs, config and DB * /var/symapi List DG symdg list List detail of single DG symdg show DGNAME Export a single Disk Group, replace by import to restore symdg -sid 1234 export DGNAME -f myfile.txt Delete a DG symdg delete DGNAME [-force] List disks from a DG symdg show DGNAME | egrep "DEV0|TGT0" Powermt Remove paths and dead disks powermt check [force] List all paths powermt display dev=all Check state of disk (error: unable to open device), check if disk in RW, else not accessible symcfg discover symcfg list sympd list | grep 011E ===== EMC multipathing licensing ===== List Powerpath license: emcpreg -list emcpreg -add xxx-yyy-vvvv-hhhh Showing mode as unlicensed [root@mynode1 ~]# powermt display dev=all Pseudo name=emcpowera CLARiiON ID=**************** [my_mynode1] Logical device ID=600601601C22280016002FBEE3C1E111 [LUN 207] state=alive; policy=BasicFailover; priority=0; queued-IOs=0; Owner: default=SP B, current=SP B Array failover mode: 4 ============================================================================== ————— Host ————— – Stor – — I/O Path — — Stats — ### HW Path I/O Paths Interf. Mode State Q-IOs Errors ============================================================================== 4 qla2xxx sdb SP A1 unlic alive 0 0 4 qla2xxx sdc SP B0 unlic alive 0 0 3 qla2xxx sdd SP A0 active alive 0 0 3 qla2xxx sde SP B1 active alive 0 0 Issued below command to check the registration status and found that it is in expired status. Before reboot it was working fine only after reboot we encounter the issue. [root@mynode1 ~]# powermt check_registration Key ****-****-****-****-****-**** Product: PowerPath Capabilities: All Expired: Oct, 2012 We registered the new key to get rid of the error. [root@mynode1 ~]# emcpreg -install =========== EMC PowerPath Registration =========== Do you have a new registration key or keys to enter?[n] y Enter the registration keys(s) for your product(s), one per line, pressing Enter after each key. After typing all keys, press Enter again. Key (Enter if done): ****-****-****-****-****-**** 1 key(s) successfully added. Key successfully installed. Key (Enter if done): 1 key(s) successfully registered. After the successful registration we were able to see the new key along with old one in below command output. [root@mynode1 ~]# powermt check_registration Key ****-****-****-****-****-**** Product: PowerPath Capabilities: All Expired: Oct, 2012 Key ****-****-****-****-****-**** Product: PowerPath Capabilities: All We removed the old key from the previous output. [root@mynode1 ~]# emcpreg -remove ****-****-****-****-****-**** After the above operation only one key was showing in output which is the newly and desired one. [root@mynode1 ~]# powermt check_registration Key ****-****-****-****-****-**** Product: PowerPath Capabilities: All All the paths are showing in active status after that 🙂 [root@mynode1 ~]# powermt display dev=all Pseudo name=emcpowera CLARiiON ID=**************** [my_mynode1] Logical device ID=600601601C22280016002FBEE3C1E111 [LUN 207] state=alive; policy=CLAROpt; priority=0; queued-IOs=0; Owner: default=SP B, current=SP B Array failover mode: 4 ============================================================================== ————— Host ————— – Stor – — I/O Path — — Stats — ### HW Path I/O Paths Interf. Mode State Q-IOs Errors ============================================================================== 4 qla2xxx sdb SP A1 active alive 0 0 4 qla2xxx sdc SP B0 active alive 0 0 3 qla2xxx sdd SP A0 active alive 0 0 3 qla2xxx sde SP B1 active alive 0 0