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Which hardware fact below will affect ISA performance the most?

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Which hardware fact below will affect ISA performance t... - 2.Aug.2006 1:34:32 AM   
controlair

 

Posts: 46
Joined: 1.Aug.2005
Status: offline
When I said "affect", I meant either improve or decrease the performance:

1. CPU
2. RAM
3. speed of hard drive
4. Fragementation of hard drive
5. Whether the log / cache is on a different physical drive than system.
6. Other?



< Message edited by controlair -- 2.Aug.2006 1:37:44 AM >
Post #: 1
RE: Which hardware fact below will affect ISA performan... - 2.Aug.2006 12:53:51 PM   
aklimkin

 

Posts: 182
Joined: 28.Jun.2006
Status: offline
CPU speed is not an issue until your ISA isn't doing SSL bridging, terminates an incoming VPN or has huge access policies list and/or applies URL/Domain name set restrictions.
Amount of available physical RAM as long as with HDD speed are key factors to effective and quick content caching.
HDD fragmentation and putting a disk on another channel/contraller are both contribute into the overall HDD speed factor.
There is Microsoft's document about the ISA 2004 serer hardware requirements and best practices:
Best Practices for Performance in ISA Server 2004

And there is also ISA 2006 capacity calculator. You can find it within flash media on top of the www.microsoft.com/isaserver page.

_____________________________

Regards,
Andrew

(in reply to controlair)
Post #: 2
RE: Which hardware fact below will affect ISA performan... - 2.Aug.2006 7:42:49 PM   
controlair

 

Posts: 46
Joined: 1.Aug.2005
Status: offline
I actually changed my logging from MSDE to .W3C and then to .IIS.

I wonder why ISA keeps querying old .ldf and .mdf files and changing the modified time for all files, and this is happening all the time?
I truely believe it hurts the performance of file logging and cache.

(in reply to aklimkin)
Post #: 3

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