Thread View: comp.sys.sgi.hardware
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Started by Ray Muno
Fri, 18 Dec 1992 23:01
Mixing SCSI 1 and Fast SCSI 2 devices
Author: Ray Muno
Date: Fri, 18 Dec 1992 23:01
Date: Fri, 18 Dec 1992 23:01
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Is it true there will be a performance penalty if older SCSI devices are on the same SCSI bus with newer Fast SCSI 2 devices? -- ============================================================================= Ray Muno Internet: muno@aem.umn.edu University of Minnesota Aerospace Engineering and Mechanics
Re: Mixing SCSI 1 and Fast SCSI 2 devices
Author: Dave Olson
Date: Sat, 19 Dec 1992 04:16
Date: Sat, 19 Dec 1992 04:16
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In <muno.724719686@aeolus.aem.umn.edu> muno@aem.umn.edu (Ray Muno) writes:
| Is it true there will be a performance penalty if older SCSI devices are
| on the same SCSI bus with newer Fast SCSI 2 devices?
No, it is not true. The slow devices run at whatever speed they
can, the fast devices run at their speed. Now, if you have more
devices * speed per device than there is bus bandwidth, the slower
devices *might* be a bottleneck, but they aren't a performance
penalty.
--
Let no one tell me that silence gives consent, | Dave Olson
because whoever is silent dissents. | Silicon Graphics, Inc.
Maria Isabel Barreno | olson@sgi.com
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