Changing the Size of Trail Files

You can change the size of trail files with the MEGABYTES option of either the ALTER EXTTRAIL or ALTER RMTTRAIL command, depending on whether the trail is local or remote. To change the file size, follow this procedure.

Issue one of the following commands, depending on the location of the trail, to view the path name of the trail you want to alter and the name of the associated Extract group. Use a wildcard to view all trails.
(Remote trail)
```
INFO RMTTRAIL *
```
(Local trail)
```
INFO EXTTRAIL *
```
Issue one of the following commands, depending on the location of the trail, to change the file size.
(Remote trail)
```
ALTER RMTTRAIL trail, EXTRACT group, MEGABYTES n
```
(Local trail)
```
ALTER EXTTRAIL trail, EXTRACT group, MEGABYTES n
```
Issue the following command to cause Extract to switch to the next file in the trail.
```
SEND EXTRACT group, ROLLOVER
```