Manual Reference Pages - VOS_CHANGEADDR (1)
vos_changeaddr - Changes or removes a file server machines entry in the VLDB
vos changeaddr -oldaddr <original IP address>
[-newaddr <new IP address>] [-remove]
[-cell <cell name>] [-noauth] [-localauth]
[-verbose] [-encrypt] [-noresolve] [-help]
vos changea -o <original IP address>
[-ne <new IP address>] [-r]
[-c <cell name>]
[-noa] [-l] [-v] [-e] [-nor] [-h]
The vos changeaddr command removes a server entry from the Volume
Location Database (VLDB) when the -remove flag is combined with the
-oldaddr argument. There must be no VLDB entries that list the machine
as a site for any version of a volume (if necessary, use the vos move
or vos remove command to more or remove volumes). It is appropriate to
remove a VLDB server entry when removing the corresponding file server
machine from service; this is the only recommended use of the command.
To display all VLDB server entries, use the vos listaddrs command.
Combining the commands -oldaddr and -newaddr arguments is no longer
the appropriate way to change the IP address registered for a file server
machine. Furthermore, if a machine is multihomed and its server entry
includes several addresses, then the address specified with the
-newaddr argument replaces all of the addresses currently listed in the
server entry that includes the address specified by the -oldaddr
argument. This effectively makes the machine single-homed with respect to
AFS operations, which is probably not the desired result.
The recommended method for changing the IP addresses in a server entry is
instead to restart the fs process group (which includes the File
Server) after using the utilities provided by the operating system to
reconfigure the machines network interfaces. For a description of how the
File Server constructs and registers a list of its network interfaces in
the VLDB, see sysid(5).
If, counter to recommended usage, the command is used to change the IP
address in a server entry, it does not also change the names of machine
entries in the Protection Database. Operations fail when they refer to a
protection group that has an obsolete IP address in it. Use the pts
rename command to change the names of machine entries that correspond to
the addresses changed with this command. Changing the address of a
database server machine also requires updating the client and server
versions of the CellServDB file on every machine.
-oldaddr <original IP address>
Specifies the IP address currently registered for the file server machine
in the VLDB server entry. If there are multiple addresses registered for a
multihomed machine, use any of them to identify the server entry.
-newaddr <new IP address>
Specifies the new IP address that replaces all currently registered
Removes from the VLDB the server entry that includes the address specified
by the -oldaddr argument.
-cell <cell name>
Names the cell in which to run the command. Do not combine this argument
with the -localauth flag. For more details, see vos(1).
Assigns the unprivileged identity anonymous to the issuer. Do not
combine this flag with the -localauth flag. For more details, see
Constructs a server ticket using a key from the local
/usr/local/etc/openafs/server/KeyFile file. The vos command interpreter presents it
to the Volume Server and Volume Location Server during mutual
authentication. Do not combine this flag with the -cell argument or
-noauth flag. For more details, see vos(1).
Produces on the standard output stream a detailed trace of the commands
execution. If this argument is omitted, only warnings and error messages
Encrypts the command so that the operations results are not transmitted
across the network in clear text. This option is available in OpenAFS
versions 1.4.11 or later and 1.5.60 or later.
Shows all servers as IP addresses instead of the DNS name. This is very
useful when the server address is registered as 127.0.0.1 or when dealing
with multi-homed servers. This option is available in OpenAFS
versions 1.4.8 or later and 1.5.35 or later.
Prints the online help for this command. All other valid options are
The following command removes the VLDB server entry that includes the IP
% vos changeaddr -oldaddr 18.104.22.168 -remove
Issuer must be listed in the /usr/local/etc/openafs/server/UserList file on the machine
specified with the -oldaddr argument and on each database server
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