# Percona XtraDB Cluster 5.6 -\> mysqld\_safe doesn't work since Version 5.6.35

**URL:** <https://forums.percona.com/t/percona-xtradb-cluster-5-6-mysqld-safe-doesnt-work-since-version-5-6-35/6030>\
**Category:** Percona XtraDB Cluster 5.x\
**Created:** [November 28, 2017, 11:08pm UTC](https://forums.percona.com/t/percona-xtradb-cluster-5-6-mysqld-safe-doesnt-work-since-version-5-6-35/6030 "2017-11-28T23:08:08Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![at02](https://avatars.discourse-cdn.com/v4/letter/a/45deac/32.png) [@at02](https://forums.percona.com/u/at02)\
**Post date:** [November 28, 2017, 11:08pm UTC](https://forums.percona.com/t/percona-xtradb-cluster-5-6-mysqld-safe-doesnt-work-since-version-5-6-35/6030/1 "2017-11-28T23:08:08Z")

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Failed to start MySQL server with the script “mysqld\_safe” after Version 5.6.34.

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**Author:** ![lorraine.pocklington](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/lorraine.pocklington/32/37_2.png) [@lorraine.pocklington](https://forums.percona.com/u/lorraine.pocklington)\
**Post date:** [December 4, 2017, 9:24am UTC](https://forums.percona.com/t/percona-xtradb-cluster-5-6-mysqld-safe-doesnt-work-since-version-5-6-35/6030/2 "2017-12-04T09:24:38Z")

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What environment are you running in?  
Are you getting error messages?  
We probably need a bit more detail from you to be able to help.

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**Author:** ![at02](https://avatars.discourse-cdn.com/v4/letter/a/45deac/32.png) [@at02](https://forums.percona.com/u/at02)\
**Post date:** [December 11, 2017, 11:14pm UTC](https://forums.percona.com/t/percona-xtradb-cluster-5-6-mysqld-safe-doesnt-work-since-version-5-6-35/6030/3 "2017-12-11T23:14:11Z")

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Running environment: CentOS 7  
PXC version: Percona-XtraDB-Cluster-5.6.37-rel82.2-26.21.3.Linux.x86\_64.ssl101.tar.gz

Here is the error message:

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Starting MySQL (Percona XtraDB Cluster).171212 12:36:18 mysqld\_safe The file /mnt/workspace/percona-xtradb-cluster-5.6-binary-combined/label\_exp/centos6-64/Percona-XtraDB-Cluster-5.6.37-82.2/46/usr/local/Percona-XtraDB-Cluster-5.6.37-rel82.2-26.21.3.Linux.x86\_64.ssl101/bin/mysqld  
does not exist or is not executable. Please cd to the mysql installation  
directory and restart this script from there as follows:  
./bin/mysqld\_safe&  
See [url][http://dev.mysql.com/doc/mysql/en/mysqld-safe.html[/url]](http://dev.mysql.com/doc/mysql/en/mysqld-safe.html%5B/url%5D) for more information  
ERROR! The server quit without updating PID file (/home/mysql/data/db2.cas.pid).  
ERROR! MySQL (Percona XtraDB Cluster) server startup failed!  
+++

I found the “MY\_PWD” is set incorrectly,

The script “mysqld\_safe” works fine after I changed it. (MY\_PWD=`pwd`)

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<div class="post-metadata">

**Author:** ![lorraine.pocklington](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/lorraine.pocklington/32/37_2.png) [@lorraine.pocklington](https://forums.percona.com/u/lorraine.pocklington)\
**Post date:** [December 13, 2017, 6:40am UTC](https://forums.percona.com/t/percona-xtradb-cluster-5-6-mysqld-safe-doesnt-work-since-version-5-6-35/6030/4 "2017-12-13T06:40:08Z")

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Thanks for the update - it might well help someone else in the future. Glad you’re up and running!