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From: Terry Lambert <terry@lambert.org>
Newsgroups: comp.unix.bsd.freebsd.misc,comp.os.linux.development.system
Subject: Re: The better (more suitable)Unix?? FreeBSD or Linux
Date: 22 Feb 1996 22:35:19 GMT
Organization: Utah Valley State College, Orem, Utah
Lines: 39
Message-ID: <4gir37$a9d@park.uvsc.edu>
References: <4er9hp$5ng@orb.direct.ca> <4f9skh$2og@dyson.iquest.net> <4fg8fe$j9i@pell.pell.chi.il.us> <311C5EB4.2F1CF0FB@freebsd.org> <4fjodg$o8k@venger.snds.com> <4fo1tu$n31@news.jf.intel.com> <DMrCE4.3HF@pe1chl.ampr.org> <4ftjt9$fjs@park.uvsc.edu> <DMv8w7.8H4@pe1chl.ampr.org> <4g5ivp$28m@park.uvsc.edu> <4gejrb$ogj@floyd.sw.oz.au> <Dn67EK.3nB@pe1chl.ampr.org> <4gilab$97u@park.uvsc.edu>
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Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:14874 comp.os.linux.development.system:18659
Another followup of myself... getting to be a habit. I should
quit discussing things offline. 8-).
Terry Lambert <terry@lambert.org> wrote:
]
] rob@pe1chl.ampr.org (Rob Janssen) wrote:
] ] Don't bother to tell Terry about your experiences, he will just declare
] ] your system obsolete and your tools out-of-date.
] ] Remember: sync metadata updates only work well on *his* system.
] ] On all others, it is just a drag.
]
] Imagine that... I must have a lot of gall to declare obsolete
] a file system implementation that doesn't properly conform to
] the design documents from which it purports to be dervied.
For the record, the default FreeBSD settings are non-conformant
with the design document as well.
You can select conformant behaviour using the command:
sysctl -w debug.doasyncfree=0
on a FreeBSD 2.1 or later system, or by setting "doasyncfree"
to 0 in /sys/ufs/ffs/ffs_alloc.c and rebuilding your kernel.
Without this change, the "optimization" opens a small window
for corruption.
I plan to change this on my personal system so that what Rob
says about my system is true. 8-).
Terry Lambert
terry@cs.weber.edu
---
Any opinions in this posting are my own and not those of my present
or previous employers.