# XtraBackup fail to create backup

**URL:** <https://forums.percona.com/t/xtrabackup-fail-to-create-backup/2976>\
**Category:** Percona XtraBackup\
**Created:** [September 30, 2013, 11:02am UTC](https://forums.percona.com/t/xtrabackup-fail-to-create-backup/2976 "2013-09-30T11:02:20Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Ronny\_Sharaby](https://avatars.discourse-cdn.com/v4/letter/r/ea666f/32.png) [@Ronny\_Sharaby](https://forums.percona.com/u/Ronny_Sharaby)\
**Post date:** [September 30, 2013, 11:02am UTC](https://forums.percona.com/t/xtrabackup-fail-to-create-backup/2976/1 "2013-09-30T11:02:20Z")

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hi,  
im trying to create backup using Xtrabackup tool but it failed to start the backup.  
my DB size is about 6.5T.

innobackupex: Using mysql server version 5.5.30-30.2-log

130930 07:44:00 innobackupex: Starting ibbackup with command: xtrabackup\_55 --defaults-group=“mysqld” --backup --suspend-at-end --target-dir=/mnt/dwh\_mysql/2013-09-30\_07-44-00 --tmpdir=/tmp  
innobackupex: Waiting for ibbackup (pid=21137) to suspend  
innobackupex: Suspend file ‘/mnt/dwh\_mysql/2013-09-30\_07-44-00/xtrabackup\_suspended\_2’

xtrabackup\_55 version 2.1.3 for Percona Server 5.5.16 Linux (x86\_64) (revision id: 608)  
xtrabackup: uses posix\_fadvise().  
xtrabackup: cd to /var/lib/mysql  
xtrabackup: Target instance is assumed as followings.  
xtrabackup: innodb\_data\_home\_dir = /var/lib/mysql  
xtrabackup: innodb\_data\_file\_path = ibdata1:10M:autoextend  
xtrabackup: innodb\_log\_group\_home\_dir = /var/lib/mysql  
xtrabackup: innodb\_log\_files\_in\_group = 2  
xtrabackup: innodb\_log\_file\_size = 268435456  
xtrabackup: using O\_DIRECT  
130930 7:44:01 InnoDB: Warning: allocated tablespace 48650, old maximum was 9  
File size limit exceeded (core dumped)  
innobackupex: Error: ibbackup child process has died at /usr/bin/innobackupex line 389.

does anyone know how to solve this?

thanks,

Ronnysh

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**Author:** ![niljoshi](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/niljoshi/32/16889_2.png) [@niljoshi](https://forums.percona.com/u/niljoshi)\
**Post date:** [October 1, 2013, 11:18pm UTC](https://forums.percona.com/t/xtrabackup-fail-to-create-backup/2976/2 "2013-10-01T23:18:58Z")

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Hi Ronnysh,

As per the error, you are exceeded OS file size limits. Can you check what is currently limit set at OS level with “ulimit -a” ? you can paste output here.  
if it’s not enough then you can update it by changing limits in

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**Author:** ![Ronny\_Sharaby](https://avatars.discourse-cdn.com/v4/letter/r/ea666f/32.png) [@Ronny\_Sharaby](https://forums.percona.com/u/Ronny_Sharaby)\
**Post date:** [October 6, 2013, 2:27am UTC](https://forums.percona.com/t/xtrabackup-fail-to-create-backup/2976/3 "2013-10-06T02:27:33Z")

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hi niljoshi,  
it looks like the server has no OS file limits.

core file size (blocks, -c) 0  
data seg size (kbytes, -d) unlimited  
scheduling priority (-e) 0  
[COLOR=#FF0000]file size (blocks, -f) unlimited  
pending signals (-i) 514945  
max locked memory (kbytes, -l) 64  
max memory size (kbytes, -m) unlimited  
open files (-n) 1024  
pipe size (512 bytes, -p) 8  
POSIX message queues (bytes, -q) 819200  
real-time priority (-r) 0  
stack size (kbytes, -s) 8192  
cpu time (seconds, -t) unlimited  
max user processes (-u) 514945  
virtual memory (kbytes, -v) unlimited  
file locks (-x) unlimited

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<div class="post-metadata">

**Author:** ![niljoshi](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/niljoshi/32/16889_2.png) [@niljoshi](https://forums.percona.com/u/niljoshi)\
**Post date:** [October 8, 2013, 12:44am UTC](https://forums.percona.com/t/xtrabackup-fail-to-create-backup/2976/4 "2013-10-08T00:44:07Z")

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Hi Ronny,

Looks like you could be hitting individual files size on filesystem/OS level. Can you please provide some more information like what OS and filesystem you are using? Is Innodb\_file\_per\_table is ON? It could be also helpful if you can provide the output of “ls- alh” of your data dir. Thanks.