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Date:      Tue, 1 Oct 1996 13:45:04 +0900 (JST)
From:      Michael Hancock <michaelh@cet.co.jp>
To:        Chris Csanady <ccsanady@friley216.res.iastate.edu>
Cc:        hackers@freebsd.org
Subject:   Re: VPS mailing list, BSD interest? 
Message-ID:  <Pine.SV4.3.93.961001133845.22919B-100000@parkplace.cet.co.jp>
In-Reply-To: <199610010424.XAA01672@friley216.res.iastate.edu>

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On Mon, 30 Sep 1996, Chris Csanady wrote:

> >> What, aside from extendable partitions, would LVM give us over CCD?
> >
> >The ability to resize partitions in itself is worthwhile.
> >
> >JFS or VXFS-like, metadata logging for increased robustness and faster
> >reboots without the need for fsck in regular operation would also be nice.
> 
> This would be nice.  Terry Lambert mentioned that he had implemented a read only
> version of JFS, perhaps this would be a good start?
> 
> Does JFS also use linear directory structures though?  I noticed while reading through
> some docs on XFS, that it implemented directories as b-trees.  Im not quite sure how
> one would implement this, but it sure seems like it would be a win..

NTFS also uses b-trees.  Actually it uses a linear directory structure for
small directories and b-trees for larger directories.  This optimization
reminds me of the direct inode/indirect inode scheme used in FFS.

Regards,


Mike Hancock




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