PV-Links to EMC Power Path

[Christopher Lau]

I have an rp5430 with EMC Clariion CX400 attached. Configured with PV-Links.

How do I convert this to run with EMC Power Path? Does anyone have a step by step process? Thanks!

[Michal Kapalka (mikap)]

hi,

you need to install powerpath,


register your powerpath with your license key

powermt display dev=all ( show wich devices/disk are managed by powerpath )

powermt config

powermt save

powermt display

powermt display dev=all


set the policy of powerpath, and if its everithing working, them redice alternate PV-links from VG.

mikap

[Michal Kapalka (mikap)]

hi,

some aditional links :

Short installation how-to :

http://slashzeroconf.wordpress.com/2008/01/06/installation-and-configuration-of-powerpath-ppvm-on-hp-ux/

Short how-to from ITRC forum :

http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=972924&admit=109447626+1250105164659+28353475

Installation guide :

http://www.emc.com/microsites/clariion-support/pdf/300-005-166.pdf

mikap

[Christopher Lau]

Thanks for the help.

Installing PowerPath is not the problem for me.
What steps do I take to drop the PV-Link and make PowerPath pick up the EMC LUNs
Will PowerPath create new device files and automatically enter the /etc/lvmtab file?

And automatically present the LUN to the rp5430 with the existing data??

[Michal Kapalka (mikap)]

hi,

What steps do I take to drop the PV-Link and make PowerPath pick up the EMC LUNs
Will PowerPath create new device files and automatically enter the /etc/lvmtab file?

= ok if you display your LVM configuration ( VG )

vgdisplay -v /dev/vgXX you will see for each LV-vol multiple alternate links.

if you install powerpath, he will not change the name of disk, or create a new one.

And automatically present the LUN to the rp5430 with the existing data??

= the lun is already presented, so it will be automaticaly presented.

mikap

[SUDHAKAR_18]

Please check my own post...

http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1357896