innobackupex treats files as folders during incremental

You should explicitly specify --incremental-basedir= along with --incremental option.

i.e proper usage is
innobackupex --incremental --incremental-basedir=/mnt/tachion/xtrab/2011-02-11_14-34-49 /mnt/tachion/xtrab/full

if innobackupex allows us to run with --incremental without explicit specifying basedir folder it should work correctly, we may fix it in several ways:

1. Let innobackupex work correctly when we do incremental backup w/out specifying base folder

2. Prohibit usage with --incremental w/out --incremental-basedir

3. Combine options --incremental and --incremental-basedir, and leave one option --incremental-basedir, which will work as a trigger that we do incremental backup and at the same moment it will pass the base folder to xtrabackup

Valentine,

I think it makes sense to go with way N2.

Automatic way can't be error-free, and it is not good when you deal
with backups.

On Sun, Feb 13, 2011 at 10:03 AM, Valentine Gostev
<email address hidden> wrote:
> if innobackupex allows us to run with --incremental without explicit
> specifying basedir folder it should work correctly, we may fix it in
> several ways:
>
> 1. Let innobackupex work correctly when we do incremental backup w/out
> specifying base folder
>
> 2. Prohibit usage with --incremental w/out --incremental-basedir
>
> 3. Combine options --incremental and --incremental-basedir, and leave
> one option --incremental-basedir, which will work as a trigger that we
> do incremental backup and at the same moment it will pass the base
> folder to xtrabackup
>
> --
> You received this bug notification because you are a member of Percona
> developers, which is the registrant for Percona-XtraBackup.
> https://bugs.launchpad.net/bugs/718204
>
> Title:
>  innobackupex treats files as folders during incremental
>
> Status in Open source backup tool for InnoDB and XtraDB:
>  Confirmed
>
> Bug description:
>  innobackupex treats regular files located in backup root directory as
>  folders and tries to look up full backup's metadata there:
>
>  [root@dev10 ~]# ls -lah /root/backup/
>  total 1.5M
>  drwxr-xr-x  4 root root 4.0K Feb 13 14:56 .
>  drwxr-x--- 10 root root 4.0K Feb 13 14:38 ..
>  drwxr-xr-x  4 root root 4.0K Feb 13 14:50 2011-02-13_14-49-57
>  -rw-r--r--  1 root root 1.5M Feb 13 14:52 full.tar.gz
>  [root@dev10 ~]#
>
>
>  [root@dev10 ~]# innobackupex --incremental /root/backup
>
>  InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy.
>  All Rights Reserved.
>
>  This software is published under
>  the GNU GENERAL PUBLIC LICENSE Version 2, June 1991.
>
>  110213 14:56:42  innobackupex: Starting mysql with options:  --unbuffered --
>  110213 14:56:42  innobackupex: Connected to database with mysql child process (pid=11600)
>  110213 14:56:49  innobackupex: Connection to database server closed
>  IMPORTANT: Please check that the backup run completes successfully.
>             At the end of a successful backup run innobackupex
>             prints "completed OK!".
>
>  innobackupex: Using mysql  Ver 14.14 Distrib 5.1.54, for unknown-linux-gnu (x86_64) using readline 5.1
>  innobackupex: Using mysql server version Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
>
>  innobackupex: Created backup directory /root/backup/2011-02-13_14-56-49
>  110213 14:56:49  innobackupex: Starting mysql with options:  --unbuffered --
>  110213 14:56:49  innobackupex: Connected to database with mysql child process (pid=11624)
>  110213 14:56:53  innobackupex: Connection to database server closed
>
>  110213 14:56:53  innobackupex: Starting ibbackup with command: xtrabackup --backup --suspend-at-end --target-dir=/root/backup/2011-02-13_14-56-49 --incremental-basedir='/root/backup/full.tar.gz'
>  innobackupex: Waiting for ibbackup (pid=11635) to suspend
>  innobackupex: Suspend file '/root/backup/2011-02-13_14-56-49/xtrabackup_suspended'
>  xtrabackup: Error: cannot open /root/backup/full.tar...

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PXB-62