Re: IDE-DMA strangeness (another one)

Brandon S. Allbery KF8NH (allbery@kf8nh.apk.net)
Tue, 01 Dec 1998 18:38:57 -0500

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In message <Pine.LNX.3.96.981201142123.178A-100000@mirkwood.dummy.home>, Rik
va
n Riel writes:
+-----
| I've just moved my IDE disks around, taking out an old
| disk and moving my new 6.4GB disk from hdd to hda.
|
| With this move I saw in improvement (hdparm -t) from 3
| to 8.4 (!) MB/second... Now I wonder what kind of bug
| in the Linux I/O subsystem could hold performance back
| _that_ badly.
+--->8

It might not be Linux's fault at all; ISTR that sometimes two IDE drives in
a master-slave relationship don't work well together and you see that kind
of slowdown as a result.

-- brandon s. allbery [os/2][linux][solaris][japh] allbery@kf8nh.apk.net system administrator [WAY too many hats] allbery@ece.cmu.edu carnegie mellon / electrical and computer engineering KF8NH Kiss my bits, Billy-boy.

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Maybe in reply to: Rik van Riel: "IDE-DMA strangeness (another one)"