# Dependency failed for Percona Server

**URL:** <https://forums.percona.com/t/dependency-failed-for-percona-server/18757>\
**Category:** Percona Server for MySQL 8.0\
**Created:** [November 25, 2022, 8:32am UTC](https://forums.percona.com/t/dependency-failed-for-percona-server/18757 "2022-11-25T08:32:18Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Phonics7207](https://avatars.discourse-cdn.com/v4/letter/p/6f9a4e/32.png) [@Phonics7207](https://forums.percona.com/u/Phonics7207)\
**Post date:** [November 25, 2022, 8:32am UTC](https://forums.percona.com/t/dependency-failed-for-percona-server/18757/1 "2022-11-25T08:32:18Z")

</div>

Hello,

I have a VPS with Ubuntu 20.04.5 Focal and i made an upgrade for percona from 8.0.29-21 to 8.0.30-22 and now the mysql server is not starting and i have this error:

```auto
Dependency failed for Percona Server.
mysql.service: Job mysql.service/start failed with result 'dependency'.

```

```auto
apt list | grep percona

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

libperconaserverclient21-dev/unknown 8.0.30-22-1.focal amd64
libperconaserverclient21-zenfs-dev/unknown 8.0.26-16-1.focal amd64
libperconaserverclient21-zenfs/unknown 8.0.26-16-1.focal amd64
libperconaserverclient21/unknown 8.0.30-22-1.focal amd64
percona-backup-mongodb/unknown 2.0.2-1.focal amd64
percona-mysql-router-zenfs/unknown 8.0.26-16-1.focal amd64
percona-mysql-router/unknown 8.0.30-22-1.focal amd64
percona-mysql-shell/unknown 8.0.30-1-2.focal amd64
percona-release/stable,now 1.0-27.generic all [installed]
percona-server-client-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-client/unknown,now 8.0.30-22-1.focal amd64 [installed,automatic]
percona-server-common-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-common/unknown,now 8.0.30-22-1.focal amd64 [installed,automatic]
percona-server-dbg-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-dbg/unknown 8.0.30-22-1.focal amd64
percona-server-rocksdb-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-rocksdb/unknown 8.0.30-22-1.focal amd64
percona-server-server-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-server/unknown,now 8.0.30-22-1.focal amd64 [installed]
percona-server-source-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-source/unknown 8.0.30-22-1.focal amd64
percona-server-test-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-test/unknown 8.0.30-22-1.focal amd64
percona-server-tokudb-zenfs/unknown 8.0.26-16-1.focal amd64
percona-server-tokudb/unknown 8.0.27-18-1.focal amd64
percona-toolkit/unknown 3.4.0-3.focal amd64
percona-xtrabackup-24/unknown 2.4.26-1.focal amd64
percona-xtrabackup-80/unknown 8.0.30-23-1.focal amd64
percona-xtrabackup-dbg-24/unknown 2.4.26-1.focal amd64
percona-xtrabackup-dbg-80/unknown 8.0.30-23-1.focal amd64
percona-xtrabackup-test-24/unknown 2.4.26-1.focal amd64
percona-xtrabackup-test-80/unknown 8.0.30-23-1.focal amd64

```

Any ideea how to fix it?

Best regards

---

<div class="post-metadata">

**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\
**Post date:** [November 25, 2022, 8:02pm UTC](https://forums.percona.com/t/dependency-failed-for-percona-server/18757/2 "2022-11-25T20:02:03Z")

</div>

How did you upgrade? Please also provide the logs from mysql error log.