HP 3PAR important commands and usage

I've been recently working with 3PAR arrays for quite some time and thought of put up some important commands and their usage. 3PAR beginers and administrators can make use of this

Below are some common commands for Storage provisioning
========================== ========== ========== =====

Command to get the paths allocated in the servers

showvlun -v <vv name> -pathsum 
                      showvlun -v <vv name*>
                      showvlun -host <hostname> -pathsum
                      

Select all Open in new window

Command to get the detailed description of a host

showhost -desc <hostname*> 
                      

Select all Open in new window

Command to get the detailed host and port information

showhost -d <hostname*>
                      

Select all Open in new window

Command to display the host set with its members and the hostset in which the host is a member of

showhostset <Hostsetname*>
                      showhostset -host <Hostname>
                      

Select all Open in new window

Command to display the VV wwn and creation time

showvv -d <vv name*>
                      

Select all Open in new window

Command to display the VV capacity

showvv <vv name*>
                      

Select all Open in new window

Command to display VV set with description and members list and the VVset in which the matching VV is member of

showvvset -d <vv Setname>
                      showvvset -vv <vv name*>
                      

Select all Open in new window

Command to create host

createhost -persona <number> Host <wwn1> <wwn2>
                      

Select all Open in new window

Rename a host

setvv -name <newname> <oldname>
                      

Select all Open in new window

Create a Virtual Volume

createvv -pol zero_detect -tpvv AO_FC_NEW <lun name> 100g
                      createvv -cnt 3 <cpg name> <vv name> 100g
                      

Select all Open in new window

To add a virtual volume to a VVset

createvvset -add <vv set name> <vv name>
                      

Select all Open in new window

To extend a virtual volume. The below command will add 10 gb to the current space

growvv <vv name> 10g
                      

Select all Open in new window

Command to add a server to an existing host set                                     

createhostset -add <ExistingHostSet> <HosttoAdd>
                      

Select all Open in new window

Command to export a virtual volume to a host

createvlun <vv name> <HostLUNNumber> <hostname>
                      

Select all Open in new window

Command to create a super user

createuser -c <password> <username> all super
                      

Select all Open in new window

To unexport a VV from a host

removevlun –f <VVname> <HostLUNnumber> <hostname>
                      removevlun set:<VVSet> <LUN id> set:<hostset>
                      

Select all Open in new window

Now when it comes to troubleshooting 3PAR storage, here are some useful commands.
========================== ========== ========== ========== ========== =====
Display new alerts in the system

showalert -n
                      

Select all Open in new window

Display the system model, serial number and details

showsys -d
                      

Select all Open in new window

Displays information about tasks

showtask -active -t <hours> -all -type <pattern with wild characters*>
                      showtask –d <TaskID>
                      

Select all Open in new window

Display the BIOS and OS version

showeeprom
                      

Select all Open in new window

Displays the system events occurred during the last 20 minutes

showeventlog -min 20
                      

Select all Open in new window

Displays the operating environment status for all nodes in the system

shownodeenv
                      

Select all Open in new window

Display the physical disk parameters

showpd -c <DiskID> - to see the chunklet details
                      showpd -i <DiskID> -- to see the disk details with wwn 
                      showpd -s <DiskID>  -- Show the disk detailed state
                      showpd -failed -degraded  - To look failed physical disks
                      showpdch -fail  ---- shows every Failed Chunklet in the system
                      showpdvv 12 | grep -i <vv name>
                      

Select all Open in new window

Display the IP address of the array

shownet
                      

Select all Open in new window

To see the users connected to the array

showuserconn
                      

Select all Open in new window

Display the the FC port link status errors

showportlesb single 1:0:2
                      showportlesb hist -startt 01/20 6:3:4
                      showport -state node:slot:port
                      

Select all Open in new window

Displays the LD details

showld -d
                      showld -state -sortcol 3
                      

Select all Open in new window

Display the cage details

showcage -d <Cage number
                      

Select all Open in new window

>
To check delayed ack’s on 3Par firmware 2.3.1  -- Need to login as root (spdood)
Run several times to check to see if the numbers are increasing.
The command on 3.1.x OS version is statcmp

showmemval kernel7 none u32 6 delay_ack_count_per_dev  -- 
                      kernel 7 is node 7
                      

Select all Open in new window

To identify the disk with high response time and IOPS

statpd -iter 3 -sortcol 9 -filt avgs,t,svct,100
                      statpd -w <WWN>
                      statpd -iter 3 -sortcol 9
                      statpd -p -devtype NL -sortcol 9 -d 5
                      statpd -iter 2 -sortcol 4 -filt avgs,t,iops,300
                      

Select all Open in new window

Display the VLUN performance for non idle devices with R/W separated and the interval and in a timed loop

statvlun -iter 1  -d 30 -rw -ni -<host name>
                      statvv -iter 5 <vv name>  
                      

Select all Open in new window

Displays read/write (I/O)  and queue length statistics for ports

statport -iter 5
                      statport -nodes <node number>
                      

Select all Open in new window

Hope the above commands are some useful to you when managing and troubleshooting 3PAR storages