Robert Milkowski wrote:
Hello Ivan,
Sunday, March 11, 2007, 12:01:28 PM, you wrote:
IW> Got it, thanks, and a more general question, in a single disk
IW> root pool scenario, what advantage zfs will provide over ufs w/
IW> logging? And when zfs boot integrated in neveda, will live upgrade work
with zfs root?
Snapshots/clones + live upgrade or standard patching.
Additionally no more hassle with separate /opt /var ...
Potentially also compression turned on on /var
- just to add to Robert's list, here's other advantages ZFS on root
has over UFS, even on a single disk:
* knowing when your data starts getting corrupted
(if your disk starts failing, and what data is being lost)
* ditto blocks to take care of filesystem metadata consistency
* performance improvements over UFS
* ability to add disks to mirror the root filesystem at any time,
should they become available
* ability to use free space on the root pool, making it
available for other uses (by setting a reservation on the root
filesystem, you can ensure that / always has sufficient available
space)
- am I missing any others ?
cheers,
tim
--
Tim Foster, Sun Microsystems Inc, Solaris Engineering Ops
http://blogs.sun.com/timf
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