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3.1.2 Matrix Server Administration Guide

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Appendix B: Error and Log File Messages 269
Copyright © 1999-2006 PolyServe, Inc. All rights reserved.
Matrix unable to take control of SAN, because another matrix
that includes NN.NN.NN.NN currently controls the SAN.
Possibly a networking failure or misconfiguration has
partitioned these servers from the servers that control the
SAN, or possibly this matrix has been misconfigured to
share membership partitions with another matrix.
Check the matrix configuration and add the server if it is not currently a
member. If your site has more than one matrix, use mxmpconf to make
sure that this server is using the correct set of membership partitions.
Matrix unable to take control of SAN, because the servers are
unable to perform fencing operations, possibly due to a
networking or fencing hardware failure or misconfiguration.
As a result, some or all filesystem operations may be paused
throughout the matrix. In addition, filesystem mounts and
unmounts and disk imports and deports can not be performed.
Matrix Server is unable to exclude servers that have become
unresponsive, or to verify the fencing of servers that were previously
fenced and have not yet been rebooted. Possibly the fencing device is not
responding to the fencing request or the Ethernet connection to the
FibreChannel switch has failed. Also check for other networking or SAN
hardware problems. The servers should be rebooted as soon as possible.
Matrix unable to take control of SAN, because the servers are
unable to write to a majority of the membership partitions,
possibly due to a SAN hardware failure or misconfiguration
and/or because some servers have been excluded from the SAN.
As a result, some or all filesystem operations may be paused
throughout the matrix. In addition, filesystem mounts and
unmounts and disk imports and deports cannot be performed.
Check the matrix configuration and add the server if it is not currently a
member. Also ensure that the server can access the membership
partitions and has write access to them, and check for any SAN hardware
problems.