Dan Shelton wrote:
Is anyone aware of any freeware program that can speed up copying tons of data (2 TB) from UFS to ZFS on same server?

I use 'ufsdump | ufsrestore'*. I would also suggest try setting 'sync=disabled' during the operation, and reverting it afterwards. Certainly, fastfs (a similar although more dangerous option for ufs) makes ufs to ufs copying significantly faster.

*ufsrestore works fine on ZFS filesystems (although I haven't tried it with any POSIX ACLs on the original ufs filesystem, which would probably simply get lost).

--
Andrew Gabriel
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