https://community.hpe.com/t5/disk-enclosures/enable-prefetch/m-p/4026677#M24137 Several explanations in some threads like this:<BR /><BR /><A href="http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=980098" target="_blank">http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=980098</A><BR /><BR />You can call it "read ahead" too, more or less.<BR /><BR />I noticed your firmware level is HP19, but it should be HP22. Consider to upgrade. You will probably get more performance. Tue, 26 Jun 2007 03:13:25 GMT Torsten. 2007-06-26T03:13:25Z https://community.hpe.com/t5/disk-enclosures/enable-prefetch/m-p/4026676#M24136 Hello<BR />I have suggestion from hp to enable prefetch on va7100 by send command<BR />armmgr -P true {array ID}<BR /><BR />Can somone explain what is it for ?<BR /><BR />I have attached armdsp -a result Tue, 26 Jun 2007 02:41:50 GMT https://community.hpe.com/t5/disk-enclosures/enable-prefetch/m-p/4026676#M24136 Roman_22 2007-06-26T02:41:50Z https://community.hpe.com/t5/disk-enclosures/enable-prefetch/m-p/4026677#M24137 Several explanations in some threads like this:<BR /><BR /><A href="http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=980098" target="_blank">http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=980098</A><BR /><BR />You can call it "read ahead" too, more or less.<BR /><BR />I noticed your firmware level is HP19, but it should be HP22. Consider to upgrade. You will probably get more performance. Tue, 26 Jun 2007 03:13:25 GMT https://community.hpe.com/t5/disk-enclosures/enable-prefetch/m-p/4026677#M24137 Torsten. 2007-06-26T03:13:25Z