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 1

Results of the Maxtor drives in RAID 1

HD Tach

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2Mb Cache
CPU Usage: 43.7%
Access Time: 13.1ms

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8Mb Cache
CPU Usage: 46.8%
Access Time: 14.9ms


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Sandra HD BenchMark

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Access Time 2Mb Cache NORAID: 8ms
Access Time 2Mb Cache RAID0-4k: 7ms
Access Time 8Mb Cache NORAID: 11ms
Access Time 8Mb Cache RAID0-4k: 10ms



Copy 335Mb in 343 files TO and FROM C: drive

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Loading map BR-Anubis in UT2003

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