# Fatal Error:1236 After Perona backup

**URL:** <https://forums.percona.com/t/fatal-error-1236-after-perona-backup/4152>\
**Category:** Other MySQL® Questions\
**Created:** [April 11, 2015, 11:55pm UTC](https://forums.percona.com/t/fatal-error-1236-after-perona-backup/4152 "2015-04-11T23:55:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vinodsreehari](https://avatars.discourse-cdn.com/v4/letter/v/54ee81/32.png) [@vinodsreehari](https://forums.percona.com/u/vinodsreehari)\
**Post date:** [April 11, 2015, 11:55pm UTC](https://forums.percona.com/t/fatal-error-1236-after-perona-backup/4152/1 "2015-04-11T23:55:54Z")

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Hello,

We did a percona backup and everything went fine. But after starting slave, we got the below error:

Slave I/O Running : No  
Last\_IO\_Error : Got fatal error 1236 from master when reading data from binary log: ‘Could not find first log file name in binary log index file’

We checked the max\_allowed\_packet configuration and it is same in both master and slave.  
The Relay\_Master\_Log\_File ( which we got from percona backup ) is existing in master .

Now what could be the reason for the issue? Please help us to resolve the issue .

Thanks

Vinod Sreehari

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**Author:** ![jaime](https://avatars.discourse-cdn.com/v4/letter/j/4bbf92/32.png) [@jaime](https://forums.percona.com/u/jaime)\
**Post date:** [April 27, 2015, 12:10am UTC](https://forums.percona.com/t/fatal-error-1236-after-perona-backup/4152/2 "2015-04-27T00:10:14Z")

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Hello,  
Can you provide the following:  
xtrabackup\_binlog\_info from the backup  
SHOW SLAVE STATUS\G  
CHANGE MASTER (command that you used to connect to master)

Also, please take a look at [url][Percona XtraBackup](http://www.percona.com/doc/percona-xtrabackup/2.2/howtos/setting_up_replication.html%5B/url%5D) for step-by-step instructions on setting up replication and provide me feedback on which steps you have issues with.

Thanks!