Oracle Solaris ZFS File System (MOSC)

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zpool upgrade rpool - safe to do or not to do

edited Jan 15, 2014 12:00AM in Oracle Solaris ZFS File System (MOSC) 4 commentsAnswered
Recommended patches were applied manually to 3 solaris 10 update 9 servers, live update not used.

Single boot environment on Oracle M4000 server (sparc 64)

Now the zpool status command is showing on all pools :

 state: ONLINE
status: The pool is formatted using an older on-disk format.  The pool can
 still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
 pool will no longer be accessible on older software versions.

Can all the pools be upgraded safely with :

zpool upgrade -a

Are there any problems with doing this.

The system is an original install at Solaris 10 update 9, just with recommended patch clusters installed.  It has not been upgraded.

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