Originally posted by: manu12

Hi,

I want to know is it possible to restart vio server if my vio server and vio client (AIX) are booting from DS4700 Storage in case *if need arise*? or I have to shutdown vio clients after that only I can restart the vio server.

Regards,

Manoj

Originally posted by: SystemAdmin

You have to shutdown all clients which are using vscsi devices for rootvg from this vio server. If you have some other hdisks exported from this vio server just unmount fs and remove device from the system.
For the future maybe think about dual vio setup with MPIO so every client has two paths one to vio1 and second to vio2.
L.

Originally posted by: SystemAdmin

better to down the client LPAR's first, then down or restart the vio's.
if you don't down the client lpar's, when you restart the vio's, the client lpars were not in sync.

that time, if you issue any command, it doesn't work.

the process is ..
1) down the client lpars
2) down vios
3) up the vios
4) up the client lpars

for this process, if the client lpars were mirrored. they automatically read both vios when they are booting and they were sync.

if you want to down only one lpar, you don't need to down the client lpars.

after restarting the downed vios, just issue the command
1) varyonvg rootvg
2) syncvg -v rootvg.

thanks