Zdenek Kotala wrote: > Bruce Momjian wrote: > > Zdenek Kotala wrote: > >> I add few sentences how to write cache works on Solaris platform. > > > > I have updated our documentation with the attached patch. I was able to > > verify all the information in this change. > > Thanks. > > > I changed your original wording because the statement that UFS turns off > > write cache seemed unclear because the file system seems independent of > > the disk write cache. (What happens if you have UFS and ZFS on the same > > drive?) > > You are right UFS does not modify (write) cache setting and it is usually > disabled by default on most disks. If ZFS and UFS are on same disk, than ZFS > don't enable disk cache. It is a reason why put ZFS on separate disk is > better. See > http://www.solarisinternals.com/wiki/index.php/ZFS_Best_Practices_Guide#Storage_Pools > > > Anyway I think the attached wording is fine. > > Yes, it is. > > Zdenek > > PS: There are some articles about ZFS. > > http://www.solarisinternals.com/wiki/index.php/ZFS_Best_Practices_Guide > http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide > http://www.solarisinternals.com/wiki/index.php/ZFS_for_Databases > > ---------------------------(end of broadcast)--------------------------- > TIP 3: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faq
-- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://postgres.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
