On Tue, Aug 18, 2009 at 7:54 PM, Mattias Pantzare<pant...@ludd.ltu.se> wrote: > On Tue, Aug 18, 2009 at 22:22, Paul Kraus<pk1...@gmail.com> wrote: >> Posted from the wrong address the first time, sorry. >> >> Is the speed of a 'zfs send' dependant on file size / number of files ? >> >> We have a system with some large datasets (3.3 TB and about 35 >> million files) and conventional backups take a long time (using >> Netbackup 6.5 a FULL takes between two and three days, differential >> incrementals, even with very few files changing, take between 15 and >> 20 hours). We already use snapshots for day to day restores, but we >> need the 'real' backups for DR. > > Conventional backups can be faster that that! I have not used > netbackup but you should be able to configure netbackup to run several > backup streams in parallel. You may have to point netbackup to subdirs > instead of the file system root.
This was discussed in another thread as well. http://opensolaris.org/jive/thread.jspa?threadID=109751&tstart=0 In particular... http://opensolaris.org/jive/thread.jspa?threadID=109751&tstart=0#405121 http://opensolaris.org/jive/thread.jspa?threadID=109751&tstart=0#404589 http://opensolaris.org/jive/thread.jspa?threadID=109751&tstart=0#405835 http://opensolaris.org/jive/thread.jspa?threadID=109751&tstart=0#405308 -- Mike Gerdts http://mgerdts.blogspot.com/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
