HP Hitachi Dynamic Link Manager Software - Manual (Page 236)

3. Creating an HDLM Environment
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Figure 3-21: Devices That Are Recognized by VxVM before They Are
Removed from VxVM
You must remove the following non-HDLM devices that are recognized by VxVM. If
the following devices are being managed by VxVM, HDLM functions, such as load
balancing and failover, will not work normally.
• sd or ssd devices (c3t0d0, c4t1d0)
When an HDLM device is created, the logical device file of the corresponding sd
or ssd device will be deleted. However, VxVM recognizes the sd or ssd device as
still existing even if the logical device file was deleted.
• HDLM devices assumed by VxVM (c6t1d0)
Devices that VxVM virtually recognizes as HDLM devices. These devices are not