Adaptec LSM-FC2002 Installation Guide - Page 34
Split Fibre Channel Loop Operation (Quad Loop), Setting Up Split Loop Operation, Setting Up Split Loop
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34 Split Fibre Channel Loop Operation (Quad Loop) The 2Gb SANbloc Series LS module allows for split FC Loop operation, with two dual fibre channel loops of seven disk drives each. In this split loop mode the primary port (I/ O Slot A) will form a loop using the first seven drives, 1 to 7 (from right hand side of rackmount systems). The expansion port (I/O Slot B) will form a second loop using the remaining 7 drives, 8 to 14 (from right hand side of rackmount systems). Note: If the enclosure has dual LS modules the following procedures must be applied to both LS modules. CAUTION: Enclosures operating in split loop mode can not be daisy chained to other enclosures. Setting Up Split Loop Operation To operate the 2Gb SANbloc Series enclosure in split fibre channel loop mode, follow this procedure: 1 Remove the LS module from the front of the enclosure. 2 On the LS Module locate the jumper position JP3 (Figure 2-1). 3 To operate in split loop mode, install a jumper at JP3. 4 Replace the LS module. Removing Split Loop Operation To remove split fibre channel loop operation from the 2Gb SANbloc Series enclosure, follow this procedure: 1 Remove the LS module from the enclosure and locate jumper JP3 (Figure 2-1). 2 To remove split loop operation, remove jumper JP3. 3 Replace the LS module. Split Fibre Channel Loop Operation (Quad Loop)