Marius Have you tried a RAID Set up ? Amar At 22:25 01/12/1999 , you wrote: >From: marius de vries <marius@...> > > > Joeri Vankeirsbilck <joeri@...> wrote: > > > > > Anyway, you wanted a track count. Well, I just tried to make some audio > tracks that > > were playing the same audiofile. I first wanted to check the load of > the CPU etc and > > not the harddisk. So, I made tracks... and tracks... and tracks... > until I had used > > all 64 audio STEREO tracks... all playing the same file. No phasing, > just the same > > sound... much louder of course (had to put the master at -50 dB)... and > the system > > performance meter showed this: Audio: 20%, harddisk 1%... The harddisk > was of course > > just 1% since I simply copied the same file to all tracks... but the audio > > performance surprised me: 20% with 64 stereo tracks... not bad... > especially since > > the system still felt as fast and fresh as it was playing 1 audiotrack. > Is this test > > correct? I mean: 20% is wonderful, but is it because I was only using 1 > stereo > > audiofile for all the 64 stereotracks? Could anyone with a different > system (Mac or > > PC or whatever...) confirm/compare ? > > > > > Ciao, > > Joeri > > -- > > Joeri Vankeirsbilck > > joeri@... > > >I've just installed a new LAM system, B+W G3 (400 mhz), 2x888, ATTO SCSI >card, 4 x 16gig cheetah drives in a Glyph Hotswap chassis. > >Running a similar test to the above, laying out 64 *different* audio >tracks, I am unable to get more than 28 mono tracks (26 with cycle >enabled) playing simultaneously before I get a >"Disc-too-slow-or-fragmented" error message. My 9600-based system does >much better..... > >DAE buffer is set to 2, other buffer settings appear to have little impact >on this problem. >All four Cheetahs are attached to one of the ATTO ports. I know I'd >probably be doing better to split them, but I'm thinking I should be able >to get better performance in this configuration - I've run 48+ tracks off >one drive before - and I'd rather keep it like this if possible. >All discs freshly defragmented and checked by Dr Norton. > >Can anybody give me some ideas to try to improve this? > >Many thanks > >mdv