From owner-freebsd-hackers  Wed Aug 18  8:19:47 1999
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Date: Wed, 18 Aug 1999 11:18:43 -0400 (EDT)
From: Larry Lile <lile@stdio.com>
To: hackers@FreeBSD.ORG
Cc: dklane@yahoo.com
Subject: Re: async v. sync v. default mode on ufs
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Sorry, I blew the CC: line...

On Wed, 18 Aug 1999, Larry Lile wrote:

> 
> It was pointed out to me by a co-worker that FreeBSD has actually
> three modes of operation for mounting ufs filesystems.  Could someone
> please explain to me, and him, the differences between the three.
> 
> Also does anyone knows how these compare to sync and async on Linux?
> 
> Just a btw, you seem to be able to set sync and async on a filesystem
> at the same time.  What gives?
> 
> dlane# mount -u -o sync,async,noatime /var dlane-printer# mount
> /dev/wd0s1a on / (local, noatime, synchronous, writes: sync 405 async 23)
> /dev/wd0s1e on /usr (local, noatime, synchronous, writes: sync 118365 
> async 83882) 
> /dev/wd0s1f on /var (asynchronous, local, noatime, synchronous, writes: 
> sync 93 async 216) procfs on /proc (local)
> dlane#
> 
> /var looks questionable...
> 
> I would never try that on purpose, but it just kinda happened, and when I 
> looked at it I though "wow that's broken"!
> 
> Larry Lile
> lile@stdio.com
> 
> 
> 
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