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Chapter 1: HP Clustered File System Commands 17
Copyright © 1999-2005 PolyServe, Inc. All rights reserved.
Clear the Host Registry
This option removes all entries from the server registry.
CAUTION: Before clearing the server registry, be sure to reboot or
power off any servers that were previously removed from the
cluster and no longer had access to the SAN. After the servers
have been rebooted, they can safely access the SAN. (If the
servers are not rebooted, it is possible for them to corrupt
filesystems.)
mxmpio – monitor or manage MPIO devices
Synopsis
/opt/hpcfs/bin/mxmpio command [options...] [parameters ...]
[PSD-devices ...]
Description
HP Clustered File System uses multipath I/O (MPIO) to eliminate single
points of failure. A cluster can include multiple FibreChannel switches,
multiple FC ports per server, and multiported SAN disks. This
configuration provides multiple paths for I/O between cluster servers and
SAN disks.
When you start HP Clustered File System, it automatically configures all
paths from each cluster server to the storage devices. On each server, it
then uses the first path it discovered for I/O with the SAN devices. If that
path fails, HP Clustered File System automatically fails over the I/O to
another path.
The mxmpio command can be used to display status information about
MPIO devices or to control the path used for I/O. With the exception of
enableall and disableall, all commands take PSD device names to
operate on specific devices. If you do not specify a PSD device, the
command operates on all devices.
The options are:
-l
Long option. Provides more detail about targets. This option does not
apply to enableall or disableall.
- HP StorageWorks 1
- Clustered File System 3.0 1
- Command Line 1
- Contents 3
- Contents iv 4
- 2 mx Commands 5
- HP Technical Support 6
- HP Clustered File System 7
- Commands 7
- SHUTDOWN 15
- Description 16
- MISMATCH) and resilver 21
- # mxmpio enableall 25
- $ mxmpio status 27
- Synopsis 30
- Disk: /dev/psd/psd5 47
- Using the mx utility 52
- Chapter 2: mx Commands 48 54
- SMTP, TCP, CUSTOM 68
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