Folder redirection to a CIFS share, in the Citrix XenApp / Presentation Server forum on BrianMadden.com

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Richard Thompson posted on Fri, Sep 10 2010 8:30 AM

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Hi All,

Has anyone successfully redirected Application Data to a CIFS share?

I'm at a customer whose 3rd Party provider has implemented a solution where Application Data is redirected directly to a CIFS share which is accessed directly from a NetApp filer?

They are having major issues with general speed within applications like Microsoft Office, etc.

I've moved the redirected Application Data folder to another share this time access via DFS and the problems appear to go away.

I know of two other companies who have had similar issues, just wondering what the general consensus is on folder redirection to CIFS shares.

Kind regards

Richard

http://www.datacrash.net

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EmilBeck replied on Fri, Sep 10 2010 8:39 AM

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I tis going to depend on what is contained in the Application Data folder, then the tradoff is against logon time and Application access.

I have not seen many issues regarding redirecting this, are there any bespoke apps?

--Emil

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Richard Thompson replied on Fri, Sep 10 2010 8:56 AM

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hi Emil, Nope, standard applications like Microsoft Office, etc. Just closing office sits for 15 to 20 seconds whilst saving normal.dot! Thanks for the feedback though... helps me narrow down that its not a Microsoft Windows thing... and perhaps we need to chat to Netapp. Richard

http://www.datacrash.net

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EmilBeck replied on Fri, Sep 10 2010 9:22 AM

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If this is the only share you are using from the NetApp on the Citrix server, if not are the other shares slow? This will pin down the problem.

Also check the speed and duplex settings on both sides

--Emil

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EmilBeck replied on Fri, Sep 10 2010 9:44 AM

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Just had a quick search on the NetApp site now.netapp.com (you need a login)

The is an article:

Solution ID: ntapcs4322

Error message: arp info overwritten for 192.168.1.1 by 00:00:0c:07:

The problem is with NIC teaming and the round robim MAC address allocation. Not sure if this is relavent.

--Emil

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Leonardo Curbelo Jr replied on Fri, Sep 10 2010 8:42 PM

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How many folders and files are currently contained in this CIFS directory and how long are the file names of these files? I have worked a lot with NetApp filers and I have seen issues where there is a performance cost dictated by the number of folders/files and the length of the file names. You should check the filer for any log entries or use the NetApp tools perfstat to gather filer data. I don't know if your customer has Operations Manager installed. Operations Manager is a NetApp software that collects historical data and performance statistics. You could look at the counter for CIFS latency to quickly pinpoint the problem. I am not saying that is the problem. Simply a suggestion.