Hello Dennis,

Tuesday, March 7, 2006, 3:33:08 PM, you wrote:

DC> Wide open question here.

DC> If I have a server based on build 35 and am running with a ZFS
DC> filesystem shared out via NFS am I safe to assume that there will be
DC> no substantial changes to ZFS for the next year or so?  While there
DC> may be the occasional patch or minor tweak I have this gut feeling
DC> that ZFS is production ready now and whatever will be released GA in 2
DC> months ( or so ) is substantially identical to what we have now.  GUI
DC> tools and management layers may be added but the primary functions of
DC> ZFS are locked down.

DC> I doubt that I am labouring under a misconception here but let me know
DC> your thoughts.

Someone from Sun promised that any changes to on-disk format will be
backward compatible (and it actual just happened!).

I belive that some new features like encryption, other
compression algorithms or hot spare support will be added relatively
soon.

I do use ZFS in a production for quite some time (almost 2 years?) and
if it's ready for production it depends on what you are expecting.
Right now there're some performance problems (being addressed right
now), I have a problem with a lot of small files (and symbolic links)
- zfs uses more than 2x space than UFS in that case. Then on x86
there's still problem with zfs consuming too much memory and server
starts paging. Then on x64 I have a problem with applications hang in
kernel in ZFS (issued). There's still no support in Sun Cluster for
ZFS. Then zfs lack right now automatic hot-spare but this is not that big deal.

If you can live with all the above I guess ZFS is ready for you or you
are ready for ZFS :)


-- 
Best regards,
 Robert                            mailto:[EMAIL PROTECTED]
                                       http://milek.blogspot.com

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