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From: Pascal.Gienger@uni-konstanz.de (Pascal Gienger)
Subject: Re: ccd help
Newsgroups: comp.unix.bsd.freebsd.misc
References: <3270DC0C.15E4@loopback.com>
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Date: 25 Oct 96 19:21:53 GMT
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Eli Lazich <elazich@loopback.com> wrote:
: both to no avail. When I execute newfs on the ccd then I can mount it
: on /usr but since newfs was run there is nothing there anymore. Does
: anyone know how to configure ccd so that a preexisting filesystem will
: not be wiped out? I would appreciate any input on this.
Taht is surely not possible. The ccd driver generates a virtual disk,
consisting (unseen for the OS) of 2 "normal" disk partitions. For
FreeBSD this ccd device is seen as ONE disk. So you have to construct
a new filesystem on it. And you can't use one of these underlying partition
as a "half disk".....
BTW, with IDE disks (wd*) I notice very large performance killing effects;
I think the old IDE system was only able to "talk" to one disk at one
time. You will notice this by watching the drive LEDs never being lit to-
gether. So my ccd was slower than one IDE partition...
Pascal
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