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vos_changeloc

Langue: en

Autres versions - même langue

Version: 2007-12-25 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

vos_changeloc - Change a volume's entry in the VLDB

SYNOPSIS

vos changeloc [-server] <new server name>
   [-partition] <new partition location>
   [-id] <volume name or ID>
   [-cell <cell name>] [-noauth] [-localauth]
   [-verbose] [-encrypt] [-help]

vos changel [-s] <new server name>
   [-p] <new partition location>
   [-i] <volume name or ID>
   [-c <cell name>] [-n] [-l] [-v] [-e] [-h]

DESCRIPTION

The vos changeloc command changes the location of a volume in the Volume Location Database (VLDB) without needing to contact the original file server on which the volume was hosted. This is useful when a file server has gone down permanently and the data that was stored on that server has been moved to a new file server with a different name and IP address (perhaps by mounting the same /vicepX partitions on a different host). After moving the data and running vos changeloc, run vos syncvldb and then vos syncserv against the new server to ensure full synchronization of the VLDB with the file server.

In essence, vos changeloc performs the same operations on the VLDB as vos move, but it does NOT move the data from one server's file system to another.

CAUTIONS

Using vos changeloc changes the VLDB without modifying the file server data, so it inherently causes the VLDB to be out of sync with the data on the servers. It should only be used when recovering from server failure. If the servers are on-line, vos move should be used instead. It is highly recommended that vos syncvldb and vos syncserv be run after using the vos changeloc command to ensure properly synchronization of the VLDB with the file servers.

OPTIONS

vos changeloc takes the following options:
-server <new server name>
Specifies the new server where the VLDB should believe the volume resides. Provide the machine's IP address or its host name (either fully qualified or using an unambiguous abbreviation). For details, see vos(1).
-partition <partition name>
Specifies the partition where the VLDB should believe the volume resides. entries. Provide the -server argument along with this one. Provide the partition's complete name with preceding slash (for example, "/vicepa") or use one of the three acceptable abbreviated forms. For details, see vos(1).
-id <volume name or ID>
Specifies the name or volume ID number on which to operate.
-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).
-noauth
Assigns the unprivileged identity "anonymous" to the issuer. Do not combine this flag with the -localauth flag. For more details, see vos(1).
-localauth
Constructs a server ticket using a key from the 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).
-verbose
Produces on the standard output stream a detailed trace of the command's execution. If this argument is omitted, only warnings and error messages appear.
-encrypt
Encrypts the commands that are sent to the server.
-help
Prints the online help for this command. All other valid options are ignored.

OUTPUT

vos changeloc shows a brief message upon completion:
    Changed location to server2 /vicepa for volume user.jdoe
 
 

EXAMPLES

The following command changes the location of the "user.jdoe" volume to be /vicepa on the file server machine "server2" while being verbose:
    % vos changeloc server2 a user.jdoe -verbose
     done
    Changed location to server2 /vicepa for volume user.jdoe
 
 

The following command changes the location of the "user.jdoe" volume to be /vicepa on "server1" without being verbose:

    % vos changeloc server1 a user.jdoe
    Changed location to server1 /vicepa for volume user.jdoe
 
 

PRIVILEGE REQUIRED

The issuer must be listed in the /etc/openafs/server/UserList file on each database server machine. If the -localauth flag is included, the issuer must instead be logged on to a server machine as the local superuser "root".

SEE ALSO

vos(1), vos_move(1), vos_syncserv(1), vos_syncvldb(1) Copyright 2007 Jason Edgecombe <jason@rampaginggeek.com>

This documentation is covered by the BSD License as written in the doc/LICENSE file. This man page was written by Jason Edgecombe for OpenAFS.

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