3. Creating an HDLM Environment
216
The settings files necessary for device suppression are created by selecting menu
task
17 (Prevent multipathing/Suppress devices from VxVM's
view
) or 18 (Allow multipathing/Unsuppress devices from VxVM's
view
) from the vxdiskadm main menu, and then by selecting menu task 8 (List
currently suppressed/non-multipathed devices
) from the
VolumeManager/Disk/ExcludeDevices or VolumeManager/Disk/
IncludeDevices
menu.
(2) Removing Devices from VxVM on a Controller Basis
If physical paths connected to one LU go through different HBAs, devices are removed
from VxVM on a controller or path basis. The procedure for removing devices from
VxVM on a controller basis is described below by using the configuration example
shown in Figure 3-23: When HBA ports on the alternate path differ from those on the
primary path connected to the Hitachi storage system. This figure shows a
configuration that is recognized by VxVM before devices are removed.
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