2Mb and 8Mb cache size on HDs tested in RAID

Storage/HDD by jmke @ 2003-06-12

How does a 2mb cache harddisk compare to its bigger 8mb cache brother? We test them in different RAID setups, using real word benchmarks to show you the actual difference! Software RAID 0 / Hardware RAID 1 / 0 with Stripe sizes: 1 - 4 - 16 - 64 - 512.
HDTach/Sisoft Sandra/File Copying/UT2003

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Raid 0 - 4k Stripe

Results of the Maxtor drives in RAID 0 with 4k stripe size

HD Tach

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2Mb Cache
CPU Usage: 42.4%
Access Time: 14.5ms

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8Mb Cache
CPU Usage: 43.3%
Access Time: 14.7ms


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Sandra HD BenchMark

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Access Time 2Mb Cache NORAID: 8ms
Access Time 2Mb Cache RAID0-4k: 6ms
Access Time 8Mb Cache NORAID: 11ms
Access Time 8Mb Cache RAID0-4k: 6ms



Copy 335Mb in 343 files TO and FROM the drive

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Loading map BR-Anubis in UT2003

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