And, this is a worst case, no? If the device itself also does some funky stuff under the covers, and ZFS only writes an update if there is *actually* something to write, then it could be much much longer than 4 years.
Actually - That's an interesting. I assume ZFS only writes something when there is actually data? :) Nathan. On Wed, 2006-06-21 at 06:25, Eric Schrock wrote: > On Tue, Jun 20, 2006 at 02:18:34PM -0600, Gregory Shaw wrote: > > Wouldn't that be: > > > > 5 seconds per write = 86400/5 = 17280 writes per day > > 256 rotated locations for 17280/256 = 67 writes per location per day > > > > Resulting in (100000/67) ~1492 days or 4.08 years before failure? > > > > That's still a long time, but it's not 100 years. > > Yes, I goofed on the math. It's still (256*100000*5) seconds, but > somehow I managed to goof up the math. I tried it again and came up > with 1,481 days. > > - Eric > > -- > Eric Schrock, Solaris Kernel Development http://blogs.sun.com/eschrock > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
