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Man Pages


Manual Reference Pages  -  CODA_REPLAY (1)

NAME

coda_replay - Manual reintegration tool

CONTENTS

Synopsis

SYNOPSIS

coda_replay [ key ] filename

DESCRIPTION

coda_replay is a tool for manually reintegrating operations done at a disconnected client. It provides a superset of the functionality of the tape-archive program, tar(1). The key argument is a string of characters containing exactly one function letter and possibly one or more function modifiers. The filename argument specifies the tar/replay format file containing the operations to be replayed.

The function portion of the key is specified by one of the following letters:
r Replay all operations specified in the file.
s Strip out non-tar operations from the file and replay only the tar operations.
t Do not replay but simply list the operations specified in the file.
The following characters may be used in addition to the letter which selects the function desired:
v Be verbose about the operations.
h Be harsh in replay, i.e., abort the program if any replayed operation fails.
coda_replay can handle normal tar files since it invokes tar to perform create, link, and symlink operations. However, its main purpose is to replay checkpoint files saved by the Coda cache manager, Venus, during disconnected operation. These files may contain operations unknown to tar: setattr, unlink, rename, mkdir, and rmdir. These other operations are encoded in the tar file by overloading the linkflag and linkname fields. Consult the replay.h header file for more details.

BUGS

o There is a limit of 100 characters imposed on filename length by tar.
o Filenames in checkpoint files generated by Venus are all relative to the enclosing volume root.

SEE ALSO

tar(1), tar(5), venus(8)

AUTHORS

o Jay Kistler, 1990, Created

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Coda Distributed File System CODA_REPLAY (1) 25 April 2005

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