[Linux-cluster] mounting a replicated lun

Paras pradhan pradhanparas at gmail.com
Wed Nov 20 23:20:08 UTC 2013


It says: version gfs2_tool 0.1.62


On Wed, Nov 20, 2013 at 5:16 PM, Paras pradhan <pradhanparas at gmail.com>wrote:

> Hi Bob, the new replicated LUN is same as the original and wondering if I
> could replace the orignial lun by the new lun without doing manual work.
>
> -Paras.
>
>
> On Wed, Nov 20, 2013 at 4:54 PM, Bob Peterson <rpeterso at redhat.com> wrote:
>
>> ----- Original Message -----
>> | Great . I will test and let you guys know how it goes. Meanwhile you
>> guys
>> | can answer me a question.
>> |
>> | a) I have a lun (gfs2) mounted to /test
>> | b) I replicate it
>> | c) I undefine my original lun from this cluster node
>> | d) I now assign the replicated lun to the same cluster node
>> | e) I issue a lip
>> |
>> | Since the luns are same in all aspects, will it automatically configure
>> | itself the new one and mount it to /test?
>> |
>> |
>> | Thanks!
>> | Paras.
>>
>> Hi Paras,
>>
>> I certainly hope you unmount the gfs2 lun from all nodes before
>> replicating it.
>> You don't want anything left over in cache.
>>
>> I'm not sure what you mean by "it" will automatically configure itself.
>>
>> Are you asking whether you need to unmount the lun while doing all this?
>> Are you asking about whether a reboot is necessary to pick up the new lun
>> at the device and scsi layer after you issue the lip?
>> Also, what release is it?
>>
>> Regards,
>>
>> Bob Peterson
>> Red Hat File SYstems
>>
>> --
>> Linux-cluster mailing list
>> Linux-cluster at redhat.com
>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>
>
>
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