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Verify that SAN OS 3.2(1) or NX-OS 4.1(1b) or later is running on the switches hosting the MSM-18/4 module or MDS 9222i switch and the storage. Verify that the existing and new storage devices are connected to a switch that supports FC-Redirect.
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Verify that DMM is the only intelligent application running on the MSM-18/4 module or MDS 9222i switch. Verify that an MSM-18/4 module or MDS 9222i switch is installed on each fabric and that DMM is enabled on the MSM-18/4 module or MDS 9222i switch. Table 5-1 Initial Troubleshooting Checklist Checklist Initial Troubleshooting Checklistīegin troubleshooting DMM issues by checking the troubleshooting checklist in Table 5-1.
#Msm download tool connection timeout software
License RequirementsĮach MSM-18/4 module or MDS 9222i switch with Cisco MDS DMM enabled requires a DMM license.ĭMM licenses are described in the “Using DMM Software Licenses” section. This is because all writes to a migrated LUN need to be mirrored to the new storage until the cutover occurs, so that no data writes are lost.įor additional information about selecting ports for server-based jobs, see the “Ports in a Server-Based Job” section. When creating a data migration job, you must include all possible server HBA ports that access the LUNs being migrated.
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The MSM-18/4 module or MDS 9222i switch can be located anywhere in the fabric, as Cisco MDS DMM operates across the SAN. With Cisco MDS DMM, no rewiring or reconfiguration is required for the server, the existing storage, or the SAN fabric. This chapter contains the following sections:Ĭisco MDS DMM is an intelligent software application that runs on the MSM-18/4 module or MDS 9222i switch. This chapter describes procedures used to troubleshoot the data migration feature in the Cisco MDS 9000 Family multilayer directors and fabric switches.