This article will introduce several Tunable Parameters, that we can customize for Network Tuning purpose in Redhat Enterprise Linux.
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Multicast is method of sending IP packetes to a group of interested receivers. Compared with broadcast, the packets are only sent to the members of a multicast group with the help of multicast router.
CLOSE_WAIT is the state for the TCP connection after the remote side has requested a shut down(FIN), and the TCP connection is waiting for the local application to close the socket. There is no timeout for a thread in CLOSE_WAIT state. So need to find out...
Below examples will help you to understand Veritas Dynamic Multipathing administration using vxdmpadm. To display the usage message for all vxdmpadm commands, enter: # vxdmpadm help To obtain a usage message for listctlr, use the command: # vxdmpadm help listctlr
hasys – add, modify, delete, display, or list information about a system. The hasys command allows administrators to manage information about each system. (A system is an object representing an individual computer within a cluster.)
Below commands will show to remove a VxVM Control. Force deconfiguration of a VxVM-initialized disk, enc3_5: # /etc/vx/bin/vxdiskunsetup -C enc3_5 Shred a VxVM-initialized disk, hds9970v0_14, with 3 passes.
In this scenario we are assuming that we have full backup of the new disk. In order to restore the machine exactly the way it was, it is necessary to have a record of the locations of the state databases, and also the configuration of the...
The hamsg utility displays the contents of a specified log data file (LDF) in any language supported by VCS. A log data file, <file>.ldf, contains data about messages written to a corresponding English language log, <file>.log. Typically, for every English VCS log file there is a...
The majority of Veritas Volume Manager utilities use a common set of exit codes, which can be used by shell scripts or other types of programs to react to specific problems detected by the utilities. The number for each distinct exit code is described below.