I have a solaris zone of 12 GB and i have to increase the / filesystem to 31GB as requested. Earlier I had expanded filesystems other than / by setting quota to new value like "zfs set quota=new...
Below is the error being repeated on my Solaris 9 Sun-Fire-V890 machine.
SAN team confirmed as everything is fine from their end. I did google and found that some people say its a known Oracle bug...