Chapter 2
Remote Mirror Software Troubleshooting Tips
13
Correcting Common User Errors
This section describes user errors encountered often when using the software.
■
“Enabled Software on Only One Host” on page 13
■
“Volumes Are Inaccessible” on page 13
■
“Wrong Volume Set Name Specified” on page 14
Enabled Software on Only One Host
New users sometimes forget to issue the
sndradm -e
enable command on both the
primary host and the secondary host. Other problems include making a mistake
when typing a disk or volume name or attempting to get access to a disk that does
not allow access.
Volumes Are Inaccessible
Verify that a volume or disk is accessible:
■
Confirm each volume is available on the primary and secondary host by using the
dd
(1M) command to read a volume. Issue the following command on the primary
and secondary hosts for each primary, secondary, and bitmap volume:
The result shows that the command was able to read 10 512-byte records,
indicating that the volume is accessible.
■
Issue a
newfs -N
command and see if an error results. This command displays
file system information and does not display an error if the disk or volume is
accessible.
Note –
Be sure to enter these commands properly, including the correct options.
Neither of these commands, if properly entered, overwrites data.
# dd if=
volume-name
of=/dev/null count=10
10+0 records in
10+0 records out
