# Please Help!, running into tar4ibd file size bug on 32-bit system when backing up large ibd database **URL:** \ **Category:** Percona XtraBackup\ **Created:** [February 24, 2011, 11:37am UTC](https://forums.percona.com/t/please-help-running-into-tar4ibd-file-size-bug-on-32-bit-system-when-backing-up-large-ibd-database/2121 "2011-02-24T11:37:09Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![damang111](https://avatars.discourse-cdn.com/v4/letter/d/8baadc/32.png) [@damang111](https://forums.percona.com/u/damang111)\ **Post date:** [February 24, 2011, 11:37am UTC](https://forums.percona.com/t/please-help-running-into-tar4ibd-file-size-bug-on-32-bit-system-when-backing-up-large-ibd-database/2121/1 "2011-02-24T11:37:09Z")
So I’m having this problem: I have a 64 bit system with ibd files \>80 gigs. It has no problem backing up and restoring to a 32 bit test system. Now when backing up the restored system (the 32 bit system) using this command: innobackupex-1.5.1 --user=root --password=\*\*\*\* --no-lock --stream=tar ./ | gzip - \> /data/dbackup/mysql/testzz/zztest1.tar.gz It says backup completed fine but the tar.gz has all kinds of errors in it and will not restore. I used the tar xvfi option. This happens on two of the 32-bit system i’m testing with. Otherwise the databases seem fine but it will not back up properly!. I have found this person having the exact same issue: [http://groups.google.com/group/percona-discussion/browse\_thr](http://groups.google.com/group/percona-discussion/browse_thr) ead/thread/9b9393281b3dcb5 and this patch for it: [URL=“https://[Bug #690822 “Tar4ibd silently fails to send entire backup” : Bugs : Percona XtraBackup moved to https://jira.percona.com/projects/PXB](http://bugs.launchpad.net/percona-xtrabackup/+bug/690822)”][https://bugs.launchpad.net/percona-xtrabackup/+bug/690822[/URL]](https://bugs.launchpad.net/percona-xtrabackup/+bug/690822%5B/URL%5D) how do I implement this patch? I am running Ubuntu 10.10 and I downloaded xtrabackup from the percona site using the ‘lucid’ binary. Again restoring is no problem, everything works, the backup (of the restore on a 32 bit system) seems to be the problem.