# innobackupex --copy-back failed

**URL:** <https://forums.percona.com/t/innobackupex-copy-back-failed/6324>\
**Category:** Percona XtraBackup\
**Created:** [April 26, 2018, 2:54am UTC](https://forums.percona.com/t/innobackupex-copy-back-failed/6324 "2018-04-26T02:54:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![noorsyamiera92](https://avatars.discourse-cdn.com/v4/letter/n/49beb7/32.png) [@noorsyamiera92](https://forums.percona.com/u/noorsyamiera92)\
**Post date:** [April 26, 2018, 2:54am UTC](https://forums.percona.com/t/innobackupex-copy-back-failed/6324/1 "2018-04-26T02:54:57Z")

</div>

Hi,

I got this error when I try to copy-back  
Can help to solve my issue?

[root@db1 2018-04-26\_11-29-01]# innobackupex --copy-back /data/backups/2018-04-26\_11-29-01/  
180426 16:04:22 innobackupex: Starting the copy-back operation

IMPORTANT: Please check that the copy-back run completes successfully.  
At the end of a successful copy-back run innobackupex  
prints “completed OK!”.

innobackupex version 2.4.10 based on MySQL server 5.7.19 Linux (x86\_64) (revision id: 3198bce)  
180426 16:04:22 [01] Compressing ibdata1 to /var/lib/mysql/ibdata1  
180426 16:04:28 [01] …done  
xtrabackup: Starting 8 threads for parallel data files transfer  
180426 16:04:28 [03] Compressing ./ib\_buffer\_pool to /var/lib/mysql/ib\_buffer\_pool  
180426 16:04:28 [01] Compressing ./xtrabackup\_info to /var/lib/mysql/xtrabackup\_info  
180426 16:04:28 [03] …done  
180426 16:04:28 [01] …done  
Error: copy-back thread 1 failed.  
Error: copy-back thread 3 failed.  
Error: copy-back thread 4 failed.  
Error: copy-back thread 5 failed.  
Error: copy-back thread 6 failed.  
Error: copy-back thread 7 failed.  
[root@db1 2018-04-26\_11-29-01]#

Somebody please help.  
Why it failed?  
Im using percona-xtrabackup 2.4.10