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Chapter 3
Notes
Note the following issues when connecting the ETERNUS DX/AF to a server.
3.1
Installation Notes
To ensure reliable access to ETERNUS DX/AF storage systems, multipath configuration is recommended.
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Setting up multiple access paths between the server and the ETERNUS DX/AF storage systems, then using
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the XenServer multipath, provides improved access redundancy.
Enable the virtualization support functions (Intel VT or AMD-V) of the server before installing XenServer.
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For details on the settings, refer to the relevant manual of the server to be used.
Install XenServer when the ETERNUS DX/AF is not connected to the server.
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The ETERNUS Multipath Driver does not need to be installed on the XenServer Virtual Machine. The Xen-
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Server multipath provides path redundancy.
When multiple paths are used, a multipath driver must be set. If a multipath driver is not set, the XenServ-
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er multipath does not perform proper load balancing for the ETERNUS DX/AF.
Before setting a multipath configuration, create Storage Repositories for all the LUNs that exist in the
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ETERNUS DX/AF.
3.2
Operating Notes
If a path error occurs in a multipath configuration using XenServer, the status of the failed multipath may
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not be displayed. The status is displayed again when the failed path recovers.
When XenServer is managed and operated with XenCenter, multipath errors may not be detected properly
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by XenCenter. When checking multipath status, also check the status on the XenServer host side.
3.3
ETERNUS DX/AF Setup Notes
Host Response must be set before the ETERNUS DX/AF is connected to the XenServer host.
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Even if the Eco-mode of the ETERNUS DX/AF is enabled for a multipath configuration with XenServer, disk
motors may not stop according to the Eco-mode settings.
FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide -Server Connection- (Fibre Channel) for Citrix
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Copyright 2017 FUJITSU LIMITED
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XenServer
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