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Chapter 1: HP Clustered File System Commands 27

Description

The mxsancheck command determines whether a server has SAN access

and is ready to mount filesystems. The command is intended to be used

in scripts and returns 0 on success and 1 on failure.

mxsanconf – configure FC switches

Synopsis

/opt/hpcfs/sbin/mxsanconf <FC-switch ...>

Description

When a cluster is configured to use fabric-based fencing, mxconfig runs

the mxsanconf command on each node to configure the list of

FibreChannel switches that will be managed by HP Clustered File

System. The command creates or updates the files /etc/hpcfs/psSAN.cfg

and /var/hpcfs/FCswitches.

<FC-switch> is either the name or IP address of a switch to be managed.

All switches to be configured must be specified in the same command.

The node must be unfenced when the command is run. If the <FC-switch>

parameter is not specified, the command uses the FC switches listed in

/var/hpcfs/FCswitches (if that file exists).

In general, this command should not be run directly.

mxsanlk – show SAN ownership locks

Synopsis

/opt/hpcfs/tools/mxsanlk

Description

HP Clustered File System uses a set of disk-based data structures called

SANlocks to protect filesystem integrity. If a problem causes a cluster to

split into two or more network partitions, the SANlocks ensure that only

one of the resulting network partitions has access to the SAN. Each

SANlock is stored in a membership partition. Before a cluster can begin

accessing the SAN, it must first acquire a majority of the SANlocks. The

SANlocks are acquired in order.

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Seagate ST336704FC Guia de preparacion Pagina 33