I have just upgraded my jumpstart server to S10 u2 b9a.

It is an Ultra 10 with two 120GB EIDE drives. The second drive (disk1) is new, and has u2b9a installed on a slice, with most of the space in slice 7 for the ZFS pool

I created pool1 on disk1, and created the filesystem pool1/ro (for legacy reasons). I them moved my data from the original disk0 UFS file system to pool1/ro. Initially I thought to keep the directory layout the same but now I realize that ZFS gives me more flexibility so I am mv'ing things around.

I created as second filesystem pool1/jumpstart, and deviced to mv pool1/ro/jumpstart/* to pool1/jumpstart. All the data is staying in the same pool. No data is actually getting changed, it is just being relocated. If this were a UFS filesystem, the move would be done before I even finish writing this. However, with ZFS, this is taking a long time.

Is there a more efficient way of doing this? It sure looks like all 70GB are 
getting copied.

Thanks
Steffen
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