[Xen-users] san configuration with xen

[krabbit@xxxxxxxxxxxxx]

Hi guys, i'm newbie in xen and i'm studying it for my stage at  
university. i successfully installed xen 3.0.3 on red hat es 4 on a  
couple of server. now i have a question. i have a san EMC Clariion  
attached to them with a fiber channel switch and i would like to use  
that as shared storage for testing live migration, and all features of  
xen systems. linux systems recognize SAN as sda device and then i can  
mount it normally. what type of FS may i use to grant concurrency  
access and consistency to san for both servers? i tried to format in a  
normal ext3 fs, but when i act changes with server A, server B must  
umount and remount partition to see that changes, and it doesn't  
recognized the owner, group and permission of that file. could u help  
me to follow a right procedure to prepare san for my test?
I saw some emails that speak about nfs, Aoe, Gfs, clvm, but i think in  
that way i need to have a daemon server, like nfs, that manage access.  
there are aternatives?
Thanx for all
Regards
            nicola

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