PostgreSQL. Links to PTRACK patches can be found

<ulinkurl="https://github.com/postgrespro/pg_probackup#ptrack-support">here</ulink>.

</para>

<note>

<para>

PTRACK versions lower than 2.0 are deprecated. Postgres Pro Standard and Postgres Pro Enterprise

versions starting with 11.9.1 contain PTRACK 2.0. Upgrade your server to avoid issues in backups

that you will take in future and be sure to take fresh backups of your clusters with the upgraded

PTRACK since the backups taken with PTRACK 1.x might be corrupt.

</para>

</note>

<para>

If you are going to use PTRACK backups, complete the following

additional steps. The role that will perform PTRACK backups

(the <literal>backup</literal> role in the examples below) must have

access to all the databases of the cluster.

</para>

<para>

For <productname>PostgreSQL</productname>12 or higher:

For <productname>PostgreSQL</productname>11 or higher:

</para>

<orderedlist>

<listitem>

For older <productname>PostgreSQL</productname> versions,

PTRACK required taking backups in the exclusive mode

to provide exclusive access to bitmaps with changed blocks.

To set up PTRACK backups for <productname>PostgreSQL</productname>11

To set up PTRACK backups for <productname>PostgreSQL</productname>10

or lower, do the following:

</para>

<orderedlist>