[CentOS] SAN help

[Paras pradhan]

I did create the device mapper for multipathing but while testing
failover is not working. So my concern is with the hba driver since I
am seeing more than expected.


Thanks

Paras

On Thursday, January 7, 2010, Rajagopal Swaminathan
<raju.rajsand at gmail.com> wrote:
> Greetings,
>
> On Fri, Jan 8, 2010 at 11:01 AM, Paras pradhan <pradhanparas at gmail.com> wrote:
>> Hi Rajagopal,
>>
>> Do you mean to say this is typical and is resolved after we use device
>> mapper multipathing?
>>
>
> IIRC, in about 2008.11 I was tasked build a cluster with SAN. The san
> administrator created 3 LUNs and first time around, it showed 12 LUNs.
> I think it was RHEL4. Afer installation of the multipathing software
> from server vendor site, we got the 3 LUNs properly. But at that time
> I did sweat a little.
>
> Of course assuming you have two qlogic, 2 san switches etc etc.
>
> In short, most likely yes.
>
> BTW I am not a storage administrator....
>
> Regards,
>
> Rajagopal
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