With Nevada 128 you'll get zpool/zfs version 22 with new features.
A noticeabe new feature is named "deduplication" which means that identical blocks are only kept once on disk reducing real storage use.
The pool "xvm" has some nearly identical block volumes (zfs zvol) for Xen/xVM use and the result is noticeable.
Don't forget to allocate enough RAM to your Dom0-kernel when using Sun xVM.
A noticeabe new feature is named "deduplication" which means that identical blocks are only kept once on disk reducing real storage use.
pascal@denver:~# zpool list
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
rpool 135G 63.7G 71.3G 47% 1.00x ONLINE -
xvm 135G 29.3G 106G 21% 8.52x ONLINE -
The pool "xvm" has some nearly identical block volumes (zfs zvol) for Xen/xVM use and the result is noticeable.
Don't forget to allocate enough RAM to your Dom0-kernel when using Sun xVM.
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