Changing Virtual Media
Only two changes are possible for a virtual media. The name can be changed and the permissions can be changed. This is demonstrated below using two examples. The starting point are the following virtual media in our Virtual Media Repository:
$ vios lsmedia ms12-vio1
NAME FILE SIZE OPTICAL ACCESS
AIX_720500_DVD_1.iso 3.56 GB None ro
AIX_720500_DVD_2.iso 4.00 GB None ro
AIX_720501_flash.iso 7.56 GB None ro
mksysb_aix01.iso 4.00 GB None rw
$
A change can be made using the command “vios chmedia“.
We change the name of the virtual media from mksysb_aix01.iso to mksysb_72_aix01.iso:
$ vios chmedia ms12-vio1 mksysb_aix01.iso mksysb_72_aix01.iso
$ vios lsmedia -s access=rw ms12-vio1
NAME FILE SIZE OPTICAL ACCESS
mksysb_72_aix01.iso 4.00 GB None rw
$
Note: The “-s access=rw” option limits the output to media that have rw (read-write) permissions.
As another example, we change the permissions to rw (read-write) for the medium AIX_720501_flash.iso:
$ vios chmedia ms12-vio1 AIX_720501_flash.iso rw
$ vios lsmedia -s access=rw ms12-vio1
NAME FILE SIZE OPTICAL ACCESS
AIX_720501_flash.iso 7.56 GB None rw
mksysb_72_aix01.iso 4.00 GB None rw
$
The size of a medium cannot be changed afterwards (at least not with IOS commands).