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- applied patch from Tim Bunce (new --addtodest option that adds copied

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files into an already existing directory)
This commit is contained in:
lenz@mysql.com 2003-05-03 16:16:52 +02:00
parent 1a8b0b3868
commit 7179284df9
1 changed files with 27 additions and 9 deletions
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36
scripts/mysqlhotcopy.sh
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@ -55,7 +55,8 @@ Usage: $0 db_name[./table_regex/] [new_db_name | directory]
-P, --port=# port to use when connecting to local server with TCP/IP
-S, --socket=# socket to use when connecting to local server
--allowold don\'t abort if target already exists (rename it _old)
--allowold don\'t abort if target dir already exists (rename it _old)
--addtodest don\'t rename target dir if it exists, just add files to it
--keepold don\'t delete previous (now renamed) target when done
--noindices don\'t include full index files in copy
--method=# method for copy (only "cp" currently supported)
@ -98,6 +99,7 @@ GetOptions( \%opt,
"socket|S=s",
"allowold!",
"keepold!",
"addtodest!",
"noindices!",
"method=s",
"debug",
@ -380,14 +382,14 @@ if ($opt{method} =~ /^cp\b/)
push @existing, $rdb->{target} if ( -d $rdb->{target} );
}
if ( @existing && !$opt{allowold} )
if ( @existing && !($opt{allowold} || $opt{addtodest}) )
{
$dbh->disconnect();
die "Can't hotcopy to '", join( "','", @existing ), "' because directory\nalready exist and the --allowold option was not given.\n"
die "Can't hotcopy to '", join( "','", @existing ), "' because directory\nalready exist and the --allowold or --addtodest options were not given.\n"
}
}
retire_directory( @existing ) if ( @existing );
retire_directory( @existing ) if @existing && !$opt{addtodest};
foreach my $rdb ( @db_desc ) {
foreach my $td ( '', @{$rdb->{raid_dirs}} ) {
@ -403,8 +405,8 @@ foreach my $rdb ( @db_desc ) {
## ...
}
else {
mkdir($tgt_dirpath, 0750)
or die "Can't create '$tgt_dirpath': $!\n";
mkdir($tgt_dirpath, 0750) or die "Can't create '$tgt_dirpath': $!\n"
unless -d $tgt_dirpath;
}
}
}
@ -861,6 +863,22 @@ Any existing versions of the backup directory are deleted.
Behaves as for the --allowold, with the additional feature
of keeping the backup directory after the copy successfully completes.
=item --addtodest
Don't rename target directory if it already exists, just add the
copied files into it.
This is most useful when backing up a database with many large
tables and you don't want to have all the tables locked for the
whole duration.
In this situation, I<if> you are happy for groups of tables to be
backed up separately (and thus possibly not be logically consistant
with one another) then you can run mysqlhotcopy several times on
the same database each with different db_name./table_regex/.
All but the first should use the --addtodest option so the tables
all end up in the same directory.
=item --flushlog
Rotate the log files by executing "FLUSH LOGS" after all tables are
@ -869,13 +887,13 @@ locked, and before they are copied.
=item --resetmaster
Reset the bin-log by executing "RESET MASTER" after all tables are
locked, and before they are copied. Usefull if you are recovering a
locked, and before they are copied. Useful if you are recovering a
slave in a replication setup.
=item --resetslave
Reset the master.info by executing "RESET SLAVE" after all tables are
locked, and before they are copied. Usefull if you are recovering a
locked, and before they are copied. Useful if you are recovering a
server in a mutual replication setup.
=item --regexp pattern
@ -941,7 +959,7 @@ will vary with your ability to understand how scp works. 'man scp'
and 'man ssh' are your friends.
The destination directory _must exist_ on the target machine using the
scp method. --keepold and --allowold are meeningless with scp.
scp method. --keepold and --allowold are meaningless with scp.
Liberal use of the --debug option will help you figure out what\'s
really going on when you do an scp.