I was making my way through the evil tuning guide and noticed a couple updates that seem appropriate. I tried to create an account to be able to add this into the "discussion" tab but account creation seems to be a NOP. http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#RFEs - 6533726 fixed in snv_79. No sign of it in S10 yet. http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Solaris_10_8.2F07_and_Solaris_Nevada_.28snv_51.29_Releases - No need to convert to hex. According to system(4): set [<module>:]<symbol> {=, |, &} [~][-]<value> . . . Operations that are supported for modifying integer variables are: simple assignment, inclusive bitwise OR, bitwise AND, one''s complement, and negation. Variables in a specific loadable module can be targeted for modif- ication by specifying the variable name prefixed with the kernel module name and a colon (:) separator. Values can be specified as hexadecimal (0x10), Octal (046), or Decimal (5). http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#RFEs_2 - 6429205 fixed in snv_87. - Good explanation at http://mail.opensolaris.org/pipermail/zfs-discuss/2008-April/046937.html -- Mike Gerdts http://mgerdts.blogspot.com/