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Date:      Thu, 27 Feb 2003 11:27:20 -0800
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        Eric Veraart <eric@monkey-online.net>
Cc:        freebsd-stable@FreeBSD.ORG;, freebsd-isp@FreeBSD.ORG
Subject:   Re: Buildworld on RLX Serverblade 1000t takes ages
Message-ID:  <20030227112720.A26204@Odin.AC.HMC.Edu>
In-Reply-To: <5.2.0.9.0.20030227133549.047684c0@mail.monkey-online.net>; from eric@monkey-online.net on Thu, Feb 27, 2003 at 01:40:53PM %2B0100
References:  <5.2.0.9.0.20030227133549.047684c0@mail.monkey-online.net>

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On Thu, Feb 27, 2003 at 01:40:53PM +0100, Eric Veraart wrote:
> Hello,
>=20
> I've got two RLX Serverblades T1000 here with the same specs and the same=
=20
> problem.
> I installed 4.7-Release on the blades, CVSUPed and am now running a=20
> buildworld. This is taking ages. Yesterday I did one of the blades, and i=
t=20
> took approximitly 5 hours to complete the build. Now I'm running buildwor=
ld=20
> on the second blade and  it's taking about 2 hours now, and it's still no=
t=20
> finished.
> Here's the output of dmesg -a :

> ad0: 19077MB <FUJITSU MHR2020AT> [38760/16/63] at ata0-master UDMA66

This is a 4200 RPM disk so it's going to be slow.  I noticed a
reasionably performance increase when I upgraded my laptop to a 5400RPM
disk.  When you consider the less then stellar performance of transmeta
CPUs, I can't say I think those numbers are totally out of line.  That
does see a bit worse then I'd expect, but not outside the relm of
possiability.

It seems like the right answer for blade servers it probably to do the
build on a more powerful server and then mount /usr/src and /usr/obj
over NFS for the upgrades.  If that's possiable in your environment, I'd
strongly recommend it.

-- Brooks

--=20
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4

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