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Re: [Linux-cluster] replacing HBA



On Tue, Sep 13, 2011 at 4:30 PM, Keith Schincke
<keith schincke gmail com> wrote:
> How many paths doe you currently have to your disk?
> Does your LVM use the multipath name (mpath0)?

Right now only one path with no multipath configured so LVM is not
using mpath0. Ideas?

Thanks!
Paras.


>
> Sent from my iPhone
>
> On Sep 13, 2011, at 14:46, Paras pradhan <pradhanparas 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 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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>>> Linux-cluster mailing list
>>> Linux-cluster redhat com
>>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>>
>>
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