bos removehost - Removes a database server machine from the CellServDB file

bos removehost << -server <machine name >>> << -host <host name+ >>> << [-cell <cell name] >>> [-noauth] [-localauth] [-help]

bos removeh << -s <machine name >>> << -ho <host name+ >>> << [-c <cell name] >>> [-n] [-l] [-he]

The bos removehost command removes the entry for each database server machine specified with the -host argument from the /etc/openafs/server/CellServDB file on the server machine named by the -server argument.

After executing this command (and waiting for the Update Server to propagate the changes, if it is used), restart the database server processes on all database server machines to force election of a quorum that includes the new set of machines listed in the /etc/openafs/server/CellServDB file. The IBM AFS Quick Beginnings explains in more detail how to add and remove database server machines.

Indicates the server machine on which to change the /etc/openafs/server/CellServDB file. Identify the machine by IP address or its host name (either fully-qualified or abbreviated unambiguously). For details, see the bos(8) manpage. In cells that use the Update Server to distribute the contents of the /etc/openafs/server directory, it is conventional to specify only the system control machine as a value for the -server argument. Otherwise, repeat the command for each file server machine. For further discussion, see the bos(8) manpage. Specifies the fully-qualified host name (such as CWfs2.abc.com) of each database server machine to remove from the CellServDB file. Names the cell in which to run the command. Do not combine this argument with the -localauth flag. For more details, see the bos(8) manpage. Assigns the unprivileged identity CWanonymous to the issuer. Do not combine this flag with the -localauth flag. For more details, see the bos(8) manpage. Constructs a server ticket using a key from the local /etc/openafs/server/KeyFile file. The bos command interpreter presents the ticket to the BOS Server during mutual authentication. Do not combine this flag with the -cell or -noauth options. For more details, see the bos(8) manpage. Prints the online help for this command. All other valid options are ignored.

The following command removes the former database server machine CWdb2.abc.com from the CellServDB file on the system control machine CWfs1.abc.com.

   % bos removehost -server fs1.abc.com -host db2.abc.com

The issuer must be listed in the /etc/openafs/server/UserList file on the machine named by the -server argument, or must be logged onto a server machine as the local superuser CWroot if the -localauth flag is included.

the KeyFile(5) manpage, the UserList(5) manpage, the bos(8) manpage, the bos_addhost(8) manpage, the bos_listhosts(8) manpage

IBM AFS Quick Beginnings

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