3PAR InForm OS 2.3.1 Upgrade Pre-Planning Guide

15
InForm OS Version 2.3.1 Release 2.3.1 Upgrade Pre-Planning Guide
5.0 Veritas DMP and Online Updates
For all servers that are connected to the InServ Storage Server and use Veritas DMP for the
multi-pathing solution (except as noted on page 6), the default value of the link restore
interval must be changed before performing an online update of the InForm OS.
5.1 Changing the Veritas DMP Link Restore Interval
The following procedure is required if you are performing an online update to the InForm OS
and Veritas DMP is being used for the multi-pathing solution on the host. The procedure must
be repeated for each host server connected to the InServ storage server and using Veritas DMP.
Use the following procedure to gather the current settings and change the link restore
interval:
1 Display the current setting of the link restore interval as follows. Record the interval so that
it can be restored later.
2 Stop the daemon.
3 Restart the daemon with the interval set to 1.
4 Verify the daemon is running with the interval set to 1.
vxdmpadm stat restored (note the current setting)
vxdmpadm stop restore
vxdmpadm start restore interval=1
vxdmpadm stat restored
NOTE: The restore daemon reverts to the default value of 300, if, or when a host
reboot occurs.