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.


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

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

Anyway I think the attached wording is fine.

Yes, it is.


PS: There are some articles about ZFS.

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