Hi ZFS gods,

I have a x4500 I wish to upgrade from a SVM UFS Sol 10u5 to a ZFS rpool 10u6 or Opensolaris.

Since I know (via backing up my sharetab) what shares I need to have (all nfs share - no cifs on this 4500 - YAY) and have organised downtime for this server, would it be easier for me to go to Solaris 10u6 (or opensolaris) by just installing from scratch and re-importing the ZPOOL (of course after exporting it before installing the 'new' os) rather then using luupdate. Then appropriately upgrading the pool to the version to match the OS I choose. I am considering Opensolaris as I see Sun now do maintenance for 2008.11. I do have OS 2008.11 running on another x4500 due to the requirement of CIFS shares integrated with our AD and apart from a few little bugs is running great.

Please let me know your thoughts, I wish to do this 'upgrade' before the new year. Happy Holidays! Enjoy Xmas ... hope someone is around that has done something like this before, in theory I guess it should work, but I have terabytes of data I cannot loose / don't want to restore from tape.

Thanks,
---
Cooper Ry Lees
A boring old UNIX Administrator - Information Management Services (IMS)
Australian Nuclear Science and Technology Organisation

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