2009/7/10 hrishy <hrishys@xxxxxxxxxxx> > 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@xxxxxxxxx>* wrote: > > > From: David Ballester <ballester.david@xxxxxxxxx> > Subject: Re: How does a LUN map to a disk or a partition > To: hrishys@xxxxxxxxxxx > Cc: oracle-l@xxxxxxxxxxxxx > Date: Friday, 10 July, 2009, 9:29 AM > > > > > 2009/7/10 hrishy > <hrishys@xxxxxxxxxxx<http://uk.mc237.mail.yahoo.com/mc/compose?to=hrishys@xxxxxxxxxxx> > > > >> 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. > > http://en.wikipedia.org/wiki/Logical_Unit_Number