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04-25-2007 07:40 AM
04-25-2007 07:40 AM
Smart Array 6404/256
I purchased a Smart Array 6404/256 and installed it into my rp3440-4 (HP-UX 11.23) server. The Smart Array is connected to my MSA30 D-B which has six 72GB hard drives on each channel.
My question is with the stats that I am getting on the card. When I run sautil /dev/ciss4 the Array accelerator (cache) information gives me the following information.
Array Accelerator Board Present?.... yes
Cache Configuration Status.......... cache enabled
Cache Ratio......................... 50% Read / 50% Write
Total Cache Size (MB)............... 128
Read Cache........................ 064
Write Cache....................... 064
Transfer Buffer................... 000
Battery Pack Count.................. 2
Battery Status (pack #1)............ ok
Battery Status (pack #2)............ ok
If I am reading this correctly the Total Cache Size is only 128MB with Read cache being 64MB and write cache 64MB. I downed my server and pulled the 6404 card and the memory says that it is 256MB.
What am I missing? How can it say that it has 256MB Cache but only 128MB Cache shows up? Would I get better performance if I increased the Cache?
My question is with the stats that I am getting on the card. When I run sautil /dev/ciss4 the Array accelerator (cache) information gives me the following information.
Array Accelerator Board Present?.... yes
Cache Configuration Status.......... cache enabled
Cache Ratio......................... 50% Read / 50% Write
Total Cache Size (MB)............... 128
Read Cache........................ 064
Write Cache....................... 064
Transfer Buffer................... 000
Battery Pack Count.................. 2
Battery Status (pack #1)............ ok
Battery Status (pack #2)............ ok
If I am reading this correctly the Total Cache Size is only 128MB with Read cache being 64MB and write cache 64MB. I downed my server and pulled the 6404 card and the memory says that it is 256MB.
What am I missing? How can it say that it has 256MB Cache but only 128MB Cache shows up? Would I get better performance if I increased the Cache?
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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