Date: Sat, 7 Oct 2000 13:15:54 +0930 From: Greg Lehey <grog@lemis.com> To: keith@telestream.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: vinum Message-ID: <20001007131554.D28501@wantadilla.lemis.com> In-Reply-To: <Pine.LNX.4.10.10010061044350.20585-100000@mail.telestream.com>; from keith@telestream.com on Fri, Oct 06, 2000 at 10:52:20AM -0700 References: <Pine.LNX.4.10.10010061044350.20585-100000@mail.telestream.com>
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On Friday, 6 October 2000 at 10:52:20 -0700, keith@telestream.com wrote:
> In the man page for vinum it states the following
>
> device devicename - Specify the device on which the drive resides.
> devicename must be the name of a disk partition, for example /dev/da1e
> or /dev/wd3s2h, and it must be of type vinum. Do not use the c
> partition, which is reserved for the complete disk.
>
> How do I get the device to be of type vinum? In the disk slice editor it
> only allows for a couple different types. 165 for freebsd, 6 for DOS, 131
> for Linux etc. I tried just typing in vinum and it didn't recognise it all
> all.
The "disk slice editor" you're talking about is probably
/stand/sysinstall, and it duplicates the functionality of fdisk.
Specifically, in this example it describes the properties of the
slices /dev/da1s1, /dev/da1s2, /dev/da1s3 and /dev/da1s4. What you
need is disklabel, which handles the partitions (the letters at the
end of the device names). But that's in the man page too:
DRIVE LAYOUT CONSIDERATIONS
vinum drives are currently BSD disk partitions. They must be of type
vinum in order to avoid overwriting data used for other purposes. Use
disklabel -e to edit a partition type definition. The following display
shows a typical partition layout as shown by disklabel:
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 81920 344064 4.2BSD 0 0 0 # (Cyl. 240*- 297*)
b: 262144 81920 swap # (Cyl. 57*- 240*)
c: 4226725 0 unused 0 0 # (Cyl. 0 - 2955*)
e: 81920 0 4.2BSD 0 0 0 # (Cyl. 0 - 57*)
f: 1900000 425984 4.2BSD 0 0 0 # (Cyl. 297*- 1626*)
g: 1900741 2325984 vinum 0 0 0 # (Cyl. 1626*- 2955*)
In this example, partition g may be used as a vinum partition. Parti-
tions a, e and f may be used as UFS file systems or ccd partitions. Par-
tition b is a swap partition, and partition c represents the whole disk
and should not be used for any other purpose.
Greg
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