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accessinng LUN from two hp ux server..
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01-07-2011 04:47 AM
01-07-2011 04:47 AM
accessinng LUN from two hp ux server..
accessinng LUN from two hp ux server..
we have eva 4400 san storage server and in which we created lun of 125 gb and present it to two rx 6600 server. how do i create file system on this lun so that both server will access this LUN.
Thanks in advance
Sarfraz
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01-07-2011 05:21 AM
01-07-2011 05:21 AM
Re: accessinng LUN from two hp ux server..
Re: accessinng LUN from two hp ux server..
"Activate each specified volume group and all associated physical and logical volume for shared read-write access. The volume group much be marked as part of a high availablity cluster and marked shareable; otherwise; the volume group is not activated."
Rita
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01-07-2011 05:27 AM
01-07-2011 05:27 AM
Re: accessinng LUN from two hp ux server..
Re: accessinng LUN from two hp ux server..
If you can tell us why you need such unconventional access, you might find better answers.
UNIX because I majored in cryptology...
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01-07-2011 06:17 AM
01-07-2011 06:17 AM
Re: accessinng LUN from two hp ux server..
Re: accessinng LUN from two hp ux server..
The other concurrent access scenarion would be using Oracle RAC -- if the LUN is intended as a Database storage.
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01-07-2011 07:30 PM
01-07-2011 07:30 PM
Re: accessinng LUN from two hp ux server..
Re: accessinng LUN from two hp ux server..
Traditionally LVM would allow simultaneous activation of the volume group from two servers and as each server had it's own "brain" for the filesystem, could lead to filesystem corruption cez both servers would see the filesystem differently which is exactly why we have the concept of exclusive activation in previous release of serviceguard. I think the shared read/write is not all that great with LVM and hence would standby Alzhy with the CVM on this one. Do assign points if you find previous answers helpful.
Regards
Ismail Azad
Regards
Ismail Azad
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01-10-2011 12:38 AM
01-10-2011 12:38 AM
Re: accessinng LUN from two hp ux server..
Re: accessinng LUN from two hp ux server..
I don`t think it makes sense making such file
systems unless we are using HP`s clustering feature MCSG or else !!
More ever if you have a shared storage you may export and import the volume group on any of the node when ever is needed.
vgchange -a s can cause corruption as said earlier.
Thanks
Manix
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