Library Version 18.1.40

Db::set_partition_dirs()
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## Db::set_partition_dirs()

    #include <db_cxx.h>

    int
    Db::set_partition_dirs(const char **dirs);

Specify which directories will contain the database extents. If the number of directories is less than the number of partitions, the directories will be used in a round robin fashion.

The `Db::set_partition_dirs()` method may not be called after the Db::open() method is called.

The `Db::set_partition_dirs()` method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success.

### Parameters

#### dirs

The dirs points to an array of directories that will be used to create or locate the database extent files specified to the Db::open() method. The directories must be included in the environment list specified by DbEnv::add_data_dir() .

### Errors

The `Db::set_partition_dirs()` method may fail and throw a DbException exception, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:

#### EINVAL

An invalid flag value or parameter was specified.

### Class

Db

### See Also

Database and Related Methods

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