[Linux-cluster] replacing HBA

[Keith Schincke]

How many paths doe you currently have to your disk?
Does your LVM use the multipath name (mpath0)?

Sent from my iPhone

On Sep 13, 2011, at 14:46, Paras pradhan <pradhanparas at gmail.com> wrote:

> Thanks Bob.
> 
> Another question. What about replacing single port HBA with a dual
> port. After configuring the multipathd, can I reconfigure physical
> volume without destroying the vg, lv and clvm ? I am kinddda lost
> here.
> 
> Thanks
> Paras.
> 
> On Tue, Sep 13, 2011 at 1:04 PM, Bob Peterson <rpeterso at redhat.com> wrote:
>> ----- Original Message -----
>> | Hi,
>> |
>> | I am replacing a 2 Gig Qlogic HBA with a 4 Gig Qlogic HBA in my GFS2
>> | cluster. Apart from changing wwn in the SAN, what else do I need to
>> | change in Linux (centos). will the change be reflected automatically?
>> |
>> |
>> | Thanks!
>> | Paras.
>> 
>> Hi Paras,
>> 
>> The GFS2 file system doesn't care what HBA you're using.
>> So as long as your kernel has a good device driver for that HBA
>> you shouldn't need to do anything else.
>> 
>> Regards,
>> 
>> Bob Peterson
>> Red Hat File Systems
>> 
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