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Shell Programming and Scripting
How can I just grep one instance of a word in the file
Post 302657869 by jcnewton13 on Monday 18th of June 2012 11:55:57 AM
06-18-2012
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Hey guys,
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LEARN ABOUT CENTOS
fcoeadm
FCOEADM(8) Open-FCoE Tools FCOEADM(8) NAME
fcoeadm - The Open-FCoE Administration Tool SYNOPSIS
fcoeadm [-m|--mode fabric|vn2vn] -c|--create ethX fcoeadm -d|--destroy ethX fcoeadm -r|--reset ethX fcoeadm -S|--Scan [ethX] fcoeadm -i|--interface [ethX] fcoeadm -f|--fcfs [ethX] fcoeadm -t|--target [ethX] fcoeadm -l|--lun [ethX] fcoeadm -s|--stats ethX [interval] fcoeadm -b|--lesb ethX [interval] fcoeadm -h|--help fcoeadm -v|--version DESCRIPTION
The fcoeadm utility is the Fibre Channel over Ethernet (FCoE) management tool for the Open-FCoE project. fcoeadm may be used to create, destroy, and reset an FCoE instance on a given network interface. For these operations fcoeadm sends a command to a running fcoemon process, via a socket interface. fcoemon will then perform the requested operation. fcoeadm also provides operations to query information about FCoE instances, including interface information, target information, LUN information, and port statistics. For much of this information, fcoeadm relies on the libhbalinux implementation of the HBA API. Only one operation may be given on a command. OPTIONS
-m, --mode fabric|vn2vn Used together with the create option to control the FCoE mode of operation. The mode defaults to fabric but this option allows the selection of vn2vn mode. OPERATIONS
-c, --create ethX Creates an FCoE instance based on the specified network interface. Note that if there is not an fcoemon configuration file for the interface (/etc/fcoe/cfg-ethX, see fcoemon), then the created FCoE instance will not require DCB. -d, --destroy ethX Destroys the FCoE instance on the specified network interface. This will not destroy FCoE instances created by fipvlan. -r, --reset ethX Resets the FCoE instance on the specified network interface. This will not reset FCoE instances created by fipvlan. -S, --Scan ethX Rescan for new targets and LUNs on the provided instance. This command will not rescan any NPIV instances created on the same port. This will not rescan any FCoE instance created by fipvlan. -i, --interface [ethX] Show information about the FCoE instance on the specified network interface, or all FCoE instances if no network interface is specified. -f, --fcfs [ethX] Show information about the discovered Fibre Channel Forwarders (FCFs) on the specified network interface, or all discovered FCFs if no network interface is specified. -t, --target [ethX] Show information about the discovered targets associated with the FCoE instance on the specified network interface. If no network interface is specified, information about discovered targets from all FCoE instances will be shown. -l, --lun [ethX] Show detailed information about the discovered SCSI LUNs associated with the FCoE instance on the specified network interface. If no network interface is specified, information about SCSI LUNs from all FCoE instances will be shown. -s, --stats ethX [interval] Show the statistics (including FC4 statistics) of the FCoE connection on the specified network interface. The information will be displayed repeatedly until the user cancels the command. The statistics will be printed every specified interval (in seconds). interval should be specified as a whole number greater than 0. If interval is not specified, a default interval of one second is used. -b, --lesb ethX [interval] Show the Link Error Statistics Block (LESB) of the FCoE connection on the specified network interface. The information will be displayed repeatedly until the user cancels the command. The LESB statistics will be printed every specified interval (in seconds). interval should be specified in whole integers greater than 0. If the interval is not specified, a default interval of one second is used. -h, --help Displays the usage message of the fcoeadm command. -v, --version Displays the version of the fcoeadm command. INTERFACE NAMES
The actual name for ethX depends on the AUTO_VLAN setting in the fcoemon interface configuration (/etc/fcoe/cfg-ethX, see fcoemon). If AUTO_VLAN is set to yes, the interface name ethX references the network device itself. If AUTO_VLAN is set to no, the interface name ethX references the VLAN device. EXAMPLES
Creates an FCoE instance on eth2.101 fcoeadm -c eth2.101 Creates an FCoE VN2VN instance on eth2.101 fcoeadm -m vn2vn -c eth2.101 Destroys the FCoE instance on eth2.101 fcoeadm -d eth2.101 Resets the FCoE instance on eth2.101 fcoeadm -r eth2.101 Show the information of all the adapters and their ports having FCoE instances created fcoeadm -i Show the information of all FCoE instances on interface eth3. fcoeadm -i eth3 Show the information of all the discovered targets from all the ports having FCoE instances created (they may be on different adapter cards). A brief listing of discovered LUNs are listed after the target they are associated with, if any fcoeadm -t Show the information of all the discovered targets from a given port (eth3) having FCoE instance created. A brief listing of discovered LUNs are listed after each target they are associated with, if any fcoeadm -t eth3 Show the detailed information of all the LUNs discovered on all FCoE connections fcoeadm -l Show the detailed information of all the LUNs associated with a specific interface fcoeadm -l eth3.101 Show the statistics information of a specific port eth3 having FCoE instances created. The statistics are displayed one line per time interval. The default interval is one second if an interval is not specified fcoeadm -s eth3 fcoeadm -s eth3 3 SEE ALSO
fcoemon(8) SUPPORT
fcoeadm is part of the fcoe-utils package, maintained through the Open-FCoE project. Resources for both developers and users can be found at the Open-FCoE website http://open-fcoe.org/ Open-FCoE 11/08/2012 FCOEADM(8)