Finding Out an OSA's Status

To find out the status of a specific OSA, enter:
query rdev
where rdev is the real device number of the OSA.
To find out the status of all the OSAs in your z/VM® system, enter:
query osa all
Table 1 lists the keywords that appear in responses to QUERY commands for OSAs. It also shows:
  • The meaning of each keyword
  • Whether the keyword indicates an active (dedicated), free, or offline OSA.
Table 1. OSA Status
Device Status
Keyword
  Keyword Meaning Type of Status
ATTACHED TO
The OSA is dedicated to the indicated virtual machine. Active (dedicated)
FREE
The OSA is available but is not in use. Free
OFFLINE
The OSA is unavailable to CP. Offline
SUBCHOFF
The subchannel for this device is disabled. Offline Disabled