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Regarding Linux Multipathing

Hi experts,

I have allocated LUNs to linux host ( Rhel 4.8 ) from Netapp.l have installed multipathing. I am able to see the device. I just want to know while creating VGs , we should specify /dev/sd* or mpath devices. If mpath then, whether /dev/mapper/mpath* or /dev/mpath/mpath*. If yes, then i think following steps are right, correct me if am wrong :-
1. pvcreate /dev/mapper/mpath1 or /dev/mpath/mpath1
2. vgcreate vg01 /dev/mapper/mpath1
3. creating logical volumes.

I am confused in /dev/mapper or /dev/mpath. Would appreciate if Experts can comment on this.

Thanks
PG
0
pankajgadhari
Asked:
pankajgadhari
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1 Solution
 
sr75Commented:
I believe it should be the mpath and not the other.

Here is a How To for multipathing with RHEL 4 (but going to an EMC SAN instead)

http://www.tuxyturvy.com/blog/index.php?/archives/42-RHEL4-dm-multipath-on-root-HOWTO.html
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pankajgadhariAuthor Commented:
Thanks for providing the link, but this is related to EMC, my storage is Netapp but i will go through this & check out the same

Thanks
pankaj
0
 
pankajgadhariAuthor Commented:
My query was related to Netapp, this link is related to EMC.
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