xen server local storage

Hello
we experienced a xen server 5.5 crash, after connect to a san with iscsi .
now we like to go back to local storage option but we are not able to start xen server (it freezes)
is it possible to copy the vm machines fom the harddisk , if this disk is added to a other xen server ?
i m not really familieair with all the xe cli commands,

i tried this http://www.timarenz.de/how-to-add-an-additional-local-disk-to-your-xenserver-5-5-host
but it says wrong uuid.
plz remember that there are 6 vm machines on the disk wich i'd like to save
after recovery , is it possbile to backup (without export) to a external disk ?

mkb-expertAsked:
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ToxicPigCommented:
Have you already copied the VM's to the local disk, or are you trying to get them from the iSCSI server?  If they are still on the iSCSI server, what are the specs?  Provided things are still in LVM somewhere and you have the LVM metadata, there is a procedure for recovering.
mkb-expertAuthor Commented:
the vm's are on the local disk, we where trying to conenct a new isscsi device. wich failed in freezes
i now have the disk attached to a other xenserver an can see the disk a /sdb with 500Gb
not sure if the vm's are stil working
ToxicPigCommented:
Try to re-attach the SR.  DO NOT create a new one over it.  Worst case, you might have to rebuild the metadata for each VM, but your data should still be intact.
ToxicPigCommented:
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