If your recording to disk bandwidth becomes important when you're doing lots of I/O. For recording a couple of channels I wouldn't worry about 5400 rpm, but if your doing 24 tracks at a high sampling rate, then your disks bandwidth may become an issue.
Remember that HDR applications like Ardour do have a buffer of couple of seconds, so your disk access can lag once in a while so long as the troughput is fast enough to keep up. I wouldn't go with 72000 for the access times, it won't make a significant impact. I'd sooner concider doing some sort of soft-RAID to spread the load between two disks :)
HTH, -Harry
On Sun, Feb 19, 2012 at 8:56 PM, Yosef Werner <yw.werner@xxxxxxxxx> wrote:
Hi all,
for testing reasons I've installed Arch-Linux on a second HD with 5400 rpm. The recording and production is on the first HD with 7200 rpm, openSuSE 10.2 and kernel-rt. After some work with Arch-Linux it seems that it could be the next platform for the DAW. My question is if a HD-7200 rpm is also necessary for the system to prevent x-runs? For sure, the HD-7200 rpm is mounted for recording.
Thanks for sharing your knowledge,
Yosef
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