Re: defrag on linux system

From: Chris Friesen (cfriesen_at_nortel.com)
Date: 08/25/05 

Date: Wed, 24 Aug 2005 16:26:59 -0600

Peter T. Breuer wrote:
> Chris Friesen <cfriesen@nortel.com> wrote:

>>Why would Microsoft say unflattering things about their own products
>>unless there was some basis to it?
>
> There is some basis to it - if you are running on msdos (as I said -
> single-tasking system) and/or using disks with 1KB of cache, an o/s with
> no elevator seek algorithm, no cacheing, no buffering, etc. You aren't.

The webpage in question was with respect to win2k, i.e. their
"workstation/server" OS. Presumably win2k is running multiple tasks,
with large disk caches, etc. Still, Microsoft themselves is claiming
that disk fragmentation is an issue.

Why would they claim that it was a problem (thus putting themselves in a
bad light) unless they had done the tests to show it?

>>Out of curiosity, do you have benchmarks showing that fragmentation has
>>no effect on performance?

> In the standard situation of a multitasking o/s under a multiuser
> workload .. sure. All the literature ever published. Take your pick.

We're talking about Windows. The vast majority of installs are single-user.

Chris

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