Originally posted by Kano
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AHCI vs. IDE Linux Performance Benchmarks
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In my experience using AHCI makes a huge impact once you use software RAID devices - especially when it comes to responsiveness under load.
In IDE mode, heavy IO would have simply bogged down my dual Xeon machines.
w/ AHCI, even while running a tar backup w/ pbzip2, I can still use the machine.
... Though to be honest, I never took the time to benchmark it.
- GilboaoVirt-HV1: Intel S2600C0, 2xE5-2658V2, 128GB, 8x2TB, 4x480GB SSD, GTX1080 (to-VM), Dell U3219Q, U2415, U2412M.
oVirt-HV2: Intel S2400GP2, 2xE5-2448L, 120GB, 8x2TB, 4x480GB SSD, GTX730 (to-VM).
oVirt-HV3: Gigabyte B85M-HD3, E3-1245V3, 32GB, 4x1TB, 2x480GB SSD, GTX980 (to-VM).
Devel-2: Asus H110M-K, i5-6500, 16GB, 3x1TB + 128GB-SSD, F33.
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