[linux-lvm] NBD-2.4.26

[Heinz J . Mauelshagen]

On Thu, Mar 07, 2002 at 06:19:13AM -0800, Prashant Kharche wrote:
> Hi!
>    I want to test LVM on a SAN.. But i dont have a
> SAN.. SO im trying to use Network Block Device -
> 2.4.26 to export partitions to other client 
> machines.. if im wrong please correct me.. But when i
> mount the partitions on the client machine..

With mountinge you mean NBD client accessability?

> LVM
> version 1.0.2 is not able to recognize the VG already
> present on that partition.. what should i do now..

Did you run pvcreate on the NBDs?
Did you vgcreate a volume group using them?

> 
> Or is there any other way to emulate a SAN.. 

It doesn't make a SAN to use NBD to access remote block devices
on another machine. You need multiple of those to 'fake' one (IOW:
no specific SAN hardware) plus SAN software like a shared disk filesystem
(for eg. GFS) to really get use out of it.

In order to have a real one you need SAN hardware such us fibre-channel
hubs and the like.
> 
> 
> 
> 
> 
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-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at Sistina.com                           +49 2626 141200
                                                       FAX 924446
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