Using The Remote Path - Best Practices - Hitachi AMS 2000 User Manual

Using the remote path — best practices
The following best practices are provided to reduce and eliminate path
failure.
• If both arrays are powered off, power-on the remote array first.
• When powering down both arrays, turn off the local array first.
• Before powering off the remote array, change pair status to Split. In
Paired or Synchronizing status, a power-off results in Failure status on
the remote array.
• If the remote array is not available during normal operations, a
blockage error results with a notice regarding SNMP Agent Support
Function and TRAP. In this case, follow instructions in the notice.
Path blockage automatically recovers after restarting. If the path
blockage is not recovered when the array is READY, contact Hitachi
Customer Support.
• Power off the arrays before performing the following operation:
- Setting or changing the fibre transfer rate
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Hitachi AMS 2000 Family TrueCopy Extended Distance User Guide
Plan and design — remote path