Re: How does a LUN map to a disk or a partition

> Hi David
>
> Thanks for a quik response do you mean to say LUN0 would map to /dev/sdb ?
>
> regards
> Hrishy
>
> --- On *Fri, 10/7/09, David Ballester <ballester.david_at_gmail.com>* wrote:
>
>
> From: David Ballester <ballester.david_at_gmail.com>
> Subject: Re: How does a LUN map to a disk or a partition
> To: hrishys_at_yahoo.co.uk
> Cc: oracle-l_at_freelists.org
> Date: Friday, 10 July, 2009, 9:29 AM
>
>
>
>
> 2009/7/10 hrishy <hrishys_at_yahoo.co.uk<http://uk.mc237.mail.yahoo.com/mc/compose?to=hrishys_at_yahoo.co.uk>
> >
>
>> Hi
>>
>> I would like to know how does a LUN map to a partition from a storage and
>> host point of view ?
>>
>> how do i say /dev/sdb1 maps to LUN0 ?
>>
>> regards
>> Hrishy
>>
>>
> You can't. LUN0 will be seen as /dev/<whole_disk-aka_LUN> not as a
> partition of this block device. From storage point of view, several ways
> exists as several providers ( HP, IBM, EMC... ) develop the storage
> environment.
>
> But, at least from GNU/Linux ( kernel 2.6 & utils ) if the storage driver
> provider doesn't do it, you can assing the physical partition to a specified
> device partition path using udev rules ( In fact, if you don't modify
> nothing, udev will apply standard set of rules ).
>
> You can see the actual partition table on the system in /proc/partitions
>
>
> D.
>
>

I think so

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