Upgrade zone attach/detach

Since the Solaris 10 5/08 Operating System (Solaris 10 5/08 s10s_u5wos_10 SPARC ==> 10_u5), system administrators have had the ability to detach and attach zones, that is, detach a zone from one system and attach it to another. Some restrictions applied with the initial functionality, in that the source and destination system where the non-global zone was being attached had to have the same software level in terms of package versions, patch levels, and architecture. In other words you couldn't move a zone from a sun4v system to a sun4u system or from a prior Solaris release to the current Solaris update release but later updates this is possible now.

In the Solaris 10 10/08 release (Solaris 10 10/08 s10s_u6wos_07b SPARC ==> 10_u6), new functionality was provided by way of the "update on attach" command, the -u argument to zoneadm attach.

Upgrade zones -

Shutdown the zones -

root:XXXXXX:/ # zlogin XXXXXX-z1 shutdown -y -g0 -i 0
root:XXXXXX:/ # zlogin XXXXXX-z2 shutdown -y -g0 -i 0

root:XXXXXX:/ # zoneadm list -icv
  ID NAME             STATUS     PATH                           BRAND    IP
   0 global           running    /                              native   shared
   - XXXXXX-z1      installed  /zones/XXXXXX-z1             native   shared
   - XXXXXX-z2      installed  /zones/XXXXXX-z2             native   shared


Detach the zones -

root:XXXXXX:/ # zoneadm -z XXXXXX-z1 detach
root:XXXXXX:/ # zoneadm -z XXXXXX-z2 detach

Attach the zones -

root:XXXXXX:/ # zoneadm -z XXXXXX-z1 attach -U
root:XXXXXX:/ # zoneadm -z XXXXXX-z2 attach -U


BEFORE:

root:XXXXXX-z1:$PWD # head -1 /etc/release
                   Oracle Solaris 10 9/10 s10s_u9wos_14a SPARC

AFTER:

root:XXXXXX-z1:$PWD # head -1 /etc/release
                   Oracle Solaris 10 1/13 s10s_u11wos_24a SPARC

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