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Chapter 2 NAS Head 2-153
Mirror Promoted on host
Once a volume has been promoted, the mirror cannot continue. Once a volume has
been promoted it can not be a mirror again; however it can function as a master.
Waiting on host, link is down
This is typically a connection problem between the two system. Check the cables and
the network connectivity. The master system will continue to send changed data to
the buffer. Once the buffer is filled the mirror will crack.
Error Initializing mirror buffer
This error occurs when the master system does not have enough free space to create
a mirror buffer. Try creating a smaller buffer. Minimum buffer size is 100mb.
Mirror stops when creating buffer
On the master system Sync status "displays syncing to host 0%" and system log
displays "updating mirror and volume information" but nothing is happening.
1. Go to the mirror system
2. Access the StorEdge via Telnet, serial console, or keyboard console.
3. When the menu prompt appears enter "admin" and then press the Enter key.
4. Enter the administrator password for the StorEdge and then press the Enter key.
5. From the command line enter menu and select option 2 system log.
The system log displays the following error message:
Invalid password from host- The password provided on the master system is
incorrect.
6. Go back to master system and break the mirror.
7. Add a new mirror and enter the correct administrator password for the mirror.
Whenever a mirror problem exsists it is best to view both systems and their
respective logs.
Not enough space to create mirror buffer
To check the amount of space available for a mirror buffer, proceed as follows: