Date: Tue, 25 Mar 2003 17:04:46 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: Alexander Langer <alex@big.endian.de> Cc: tlambert2@mindspring.com, current@FreeBSD.ORG, sos@freebsd.org Subject: Re: several background fsck panics Message-ID: <20030325170446.3110af69.Alexander@Leidinger.net> In-Reply-To: <20030325150407.GG1700@fump.kawo2.rwth-aachen.de> References: <20030324215712.GA844@fump.kawo2.rwth-aachen.de> <3E7FE3CE.ECD2775F@mindspring.com> <20030325110843.GF1700@fump.kawo2.rwth-aachen.de> <3E804392.40844D63@mindspring.com> <20030325150407.GG1700@fump.kawo2.rwth-aachen.de>
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On Tue, 25 Mar 2003 16:04:07 +0100
Alexander Langer <alex@big.endian.de> wrote:
> We claim background fsck as a "cool new" feature in the release notes,
> which is even the DEFAULT, including WC on ATA disks, which is ALSO the
> default. So , and if this is broken, there is a serious design flaw,
> which must be fixed. It doesn't help to explain why the error is there,
> the next user will have the same error, running a verbatim system.
AFAIK: S=F8ren had the WC off for a while on -current, but a lot of people
complained, so he switched it back on (I'm sure he regrets it every time
he is reminded about it). So -- including you and me -- there are at
least 3 committers which would like to see the WC turned off by default.
There are a lot of other people without special @FreeBSD.org privileges
which also don't like the actual default (if you can get a look at
iX-10/2002 read the "BSD-Softupdates vs. Linux-Journaling" article - the
tests for this article where done on SCSI hardware, but this doesn't
matter in this case - it explains the interactions of WC, TQ and SO and
how they affect the speed of some FS-operations).
Maybe we can gain some momentum and restore POLA (in this case the
default of going the safe way instead of the fast (but sometimes
dangerous) way).
Bye,
Alexander.
--=20
Yes, I've heard of "decaf." What's your point?
http://www.Leidinger.net Alexander @ Leidinger.net
GPG fingerprint =3D C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7
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