On Jul 30, 2006, at 23:44, Malahat Qureshi wrote:
Is any one have a comparison between zfs vs. vxfs, I'm working on a
presentation for my management on this ---
That can be a tough question to answer depending on what you're
looking for .. you could take the feature comparison approach like
you'll find on wikipedia and i think has already been mentioned here:
http://en.wikipedia.org/wiki/File_system_comparison
agreed it's only a small subset, and generally feature comparisons
get heavily used in marketing campaigns for some sort of mudslinging
or feature bashing. Of course there's always something that doesn't
really get addressed when you take a spreadsheet or bullet point
approach. Or you could take the microbenchmark approach with
something like Richard's filebench project:
http://opensolaris.org/os/community/performance/filebench/
IMO the latter is more of a step in the right direction but the
problem sets may be very different depending on your applications -
it can be a tough decision to determine which numbers matter the most
when you have to make tradeoffs .. your best approach is typically to
try and decide some form of CTQs for your applications or
organizations that take into account the relevant factors
(administration, volume management, storage platforms, performance,
recovery, operating systems, etc) and match up features and
performance considerations concurrently.
I think you'll find that ZFS is an amazing fit for most applications,
but in cases where you may think you need directio or non-buffered
sorts of behaviour .. you could be at a slight disadvantage. Of
course Sun also offer QFS as another high performance alternative ..
but like the old mantra we've all heard too many times now ..
(everyone together) .. "It all depends on what you're trying to do" ..
---
.je
(* disappears back into the mist *)
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