Jerry: I have two filers running nothing but CIFS. We have about 4,000 user home directories and 3 TB of Group Shares on an 840, and about 2TB of Group Shareson an 820. Performance is excellent; I/O's run between 2500-4,000 max; CPU usaage is generally under 50%. It's higher (sometimes 100%) when a snap mirror is taking place. It is very reliable. Our only downtime over the past 4 years has been to do OnTap upgrades.

-----Original Message----- From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Jerry Sent: Tuesday, August 30, 2005 1:27 PM To: list toasters Subject: CIFS vs NFS performance.

Here's the story... Lately I've been getting a lot of requests for CIFS services on my filer. Until recently I have been able to avoid a lot of windows interaction but that time is coming close to an end.

Does anyone have any major issues with CIFS, does it kill CPU and how reliable is it in general? Basically I'm looking for an overall feeling. The reason I ask is I'm unimpressed with the HTTP daemon built into the filer and I'm not confident in it's abilities to do other things besides NFS without personal experience with it.

Jerry

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