Date: Thu, 17 Jun 1999 14:58:46 +0930 From: Greg Lehey <grog@lemis.com> To: Jon Rust <jpr@vcnet.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Vinum stability in 3.2-R Message-ID: <19990617145845.K9893@freebie.lemis.com> In-Reply-To: <v0420511db38e2f0594b5@[209.239.239.22]>; from Jon Rust on Wed, Jun 16, 1999 at 10:07:04PM -0700 References: <v0420511db38e2f0594b5@[209.239.239.22]>
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On Wednesday, 16 June 1999 at 22:07:04 -0700, Jon Rust wrote:
> - during set-up the system crashed while in 'vinum' if I issued the
> 'start' command (core dump, and auto restart). Issuing the 'start'
> command was prolly wrong, but methinks crashing the whole system is a
> bad way to tell me that. :-)
Indeed. I'd like to take a look at your dump file.
> - a few times after configing disks and leaving 'vinum' with a
> 'quit', the system would dump core.
>
> - after finally getting the striped volume up, newfs'd, and mounted,
> the system crashed on me when doing a massive file transfer ('tar
> cvfp - dir | (cd /newdrive;tar xvfp -)). Unfortunately I'm offsite
> now, so I can't see what's on the console-- it did not auto restart
> this time through.
>
> Are there some known issues with vinum and 3.2-R, or did I munge the
> config and vinum's really sensitive?
It is possible to crash the system if you use really strange
configuration commands. This doesn't seem to be what you've been
doing--see below.
Here's my config:
>
> bash-2.02# vinum
> vinum -> list
> Configuration summary
>
> Drives: 0 (4 configured)
> Volumes: 0 (4 configured)
> Plexes: 0 (8 configured)
> Subdisks: 0 (16 configured)
>
>
> vinum -> drive a device /dev/da0d
> vinum -> drive b device /dev/da1d
> vinum -> volume mystripe
> vinum -> plex org striped 1024k
> vinum -> sd length 2040m drive a
> vinum -> sd length 2040m drive b
This is wrong. I don't even know why it can work, but it's a bug in
Vinum to allow this at all. Read vinum(8):
vinum requires that all parameters to the create commands must be in a
configuration file. Entries in the configuration file define volumes,
plexes and subdisks, and may be in free format, except that each entry
must be on a single line.
The commands you entered should be in the configuration file. You
then issue the command
vinum -> create configfile
to create the objects. See the section HOW TO SET UP VINUM in the man
page for more examples.
Greg
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