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Choose the right link mode when VTL linking host and storage, or VTL cannot find storage, host cannot find VTL

Publication Date:  2012-10-11 Views:  132 Downloads:  0

Issue Description

Link storage and HDD cage, then VTL HDD cage cannot find the storage.

Alarm Information


Handling Process

There are two kinds of FC port mode in VTL: p2p and loop. When link by switch, modify the mode to p2p, or to loop.
1. # vi /usr/local/vtl/etc/fshba.conf
2. Modify “connection_option-hba” to “1”. 1 stands for p2p, 0 is for loop.
3. :wq !  (save and exit)
4. Restart VTL server

Root Cause

Storage and HDD cage can link directly or by switch. Direct link’s mode is loop, while link by switch mode is p2p.