Doubts on VxVM,VCS Upgrade & root disk encapsulation
Hi All,
I have the below queries please
1) In order to stop VxVM to load at system boot time, we need to modify /etc/system file.
What entries are to be commented out ?
Is it only
rootdev:/pseudo/vxio@0:0
set vxio:vol_rootdev_is_volume=1
(OR) also below entries are to be commented out ?
forceload: drv/vxdmp
forceload: drv/vxio
forceload: drv/vxspec
2) My current version of SFHA is 4.1. Once vxfen, gab & llt modules are unloaded to upgrade to 4.1MP2, should i again unload these modules
to further upgrade to 5.1SP1 and again to 5.1SP1RP4 (OR) 6.0 ? After each upgrade should i stop the
services in /etc/init.d and unload modules (OR) stopping services & unloading modules only once is
enough to further upgrade to other versions ?
My Plan is to upgrade from 4.1---> 4.1 MP2---> 5.1SP1--->5.1SP1RP4 (OR) 6.0
3) Before upgrading should i also stop & unload the below listed modules
24 12800a8 26920 268 1 vxdmp (VxVM 4.1z: DMP Driver)
25 7be00000 2115c8 269 1 vxio (VxVM 4.1z I/O driver)
27 12a4698 13f0 270 1 vxspec (VxVM 4.1z control/status driver)
213 7b2d7528 c40 272 1 vxportal (VxFS 4.1_REV-4.1B18_sol_GA_s10b)
214 7ae00000 1706a8 20 1 vxfs (VxFS 4.1_REV-4.1B18_sol_GA_s10b)
If yes, should i stop & unload after each upgrade (OR) doing it once is enough ?
4) Once the OS comes up with native disks (c#t#d#s#), In order to bring it under VxVM control we need to
encapsulate using vxdiskadm. My doubt is will rootdg, rootvol, plexes & subdisks be created
automatically? Need a little clarification regarding this please.
Response is highly appreciated as always,
Thank you very much.
Regards,
Danish.
1. In case your root disk is under vxVM and you want to boot it from slice then below entries need to be removed from /etc/system file.
rootdev:/pseudo/vxio@0:0
set vxio:vol_rootdev_is_volume=1
Below entries are to be removed if you do not want to load vxvm modules at startup.forceload: drv/vxdmp
forceload: drv/vxio
forceload: drv/vxspec
You can also touch (additionally) install-db file to stop vxvm from starting at boot time. This will stop auto start of vxconfigd daemon.
2 & 3. During upgrade, installer should be doing all module unload. I am not 100% sure though for those older versions. If at all unloading module manually is required, you will need to do it for every upgrade.4. Yes, rootdg, plexes will be created automatically once you encapsulate root disk successfully.
