You can also have a [xtrabackup] section in the my.cnf file, and you can specify the tmpdir there, for example the following works for me perfectly: [xtrabackup] tmpdir=/tmp/xb_tmp
You can also have a [xtrabackup] section in the my.cnf file, and you can specify the tmpdir there, for example the following works for me perfectly:
[xtrabackup]
tmpdir=/tmp/xb_tmp