Andrew Gabriel <andrew.gabr...@oracle.com> wrote: > 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).
star -copy -no-fsync .... is typically 30% faster that ufsdump | ufsrestore. Jörg -- EMail:jo...@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin j...@cs.tu-berlin.de (uni) joerg.schill...@fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss