Dell 1950/2950 cache/read/write policies

[Patrick_Boyd at Dell.com]

The online help is available by clicking the "Help" button in the OMSA
GUI.

I'm attaching a section of the help doc in RTF format. I hope it helps.


-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Brown, Josh
Sent: Tuesday, September 18, 2007 1:26 PM
To: linux-poweredge-Lists
Subject: Dell 1950/2950 cache/read/write policies

Hi All,

Just wondering if anyone has any more information on what each of the
Cache Policy and Read Policy options actually do?

The write policy is pretty straight forward, but the other two are a
little vague.  It mentions the Online Help, but I am not sure where that
is :-)

Cache Policy:
Different controllers support different cache policies. See the online
help for more information. The following table indicates how to specify
the [cachepolicy=<d | c>] parameter for each of the cache policies.

Direct I/O - cachepolicy=d
Cache I/O - cachepolicy=c

Read Policy:
Different controllers support different read policies. See the online
help for more information. The following table indicates how to specify
the [readpolicy=<ra| nra| ara| rc| nrc>] parameter for each of the read
policies.

Read ahead - readpolicy=ra
Adaptive read ahead - readpolicy=ara
No read ahead - readpolicy=nra
Read cache - readpolicy=rc
No read cache - readpolicy=nrc

Any information on these would really help!
Thanks!

Josh Brown
VeriSign
110 Cooper St, Santa Cruz, CA 95060
"You rush a miracle man, you get rotten miracles."

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