Date: Mon, 8 Nov 1999 12:02:32 -0500 From: Greg Lehey <grog@mojave.sitaranetworks.com> To: cjclark@home.com, Marc Dodsworth <marcd@tpg.com.au> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Another Vinum question Message-ID: <19991108120232.45658@mojave.sitaranetworks.com> In-Reply-To: <199911062330.SAA33262@cc942873-a.ewndsr1.nj.home.com>; from Crist J. Clark on Sat, Nov 06, 1999 at 06:30:21PM -0500 References: <99110623580401.07046@zen.dodsworth.org> <199911062330.SAA33262@cc942873-a.ewndsr1.nj.home.com>
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On Saturday, 6 November 1999 at 18:30:21 -0500, Crist J. Clark wrote:
> Marc Dodsworth wrote,
>> Sorry if this has been answered before (maybe I should have paid closer
>> attention.
>>
>> In the documentation it talks about having the disk slice being of type vinum.
>> Do I take this to mean that it's vinum instead of type 165?
>
> No it doesn't. It talks about the partition being of type 'vinum,' not
> slices. From the partition names you used, you don't even have DOS
> slice tables on the disks.
>
> You need to go into the disklabel and change them from type 'BSD4.2'
> to 'vinum,'
>
> # disklabel -r -e da1e
>
> Then repeat for each.
There's more detail in vinum(8):
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.
This was added relatively recently, and may not be in your version of
the man page.
Greg
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