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To set up IBM-Informix Storage Manager (ISM) to run on UNIX follow these steps:

1.Log in as informix to the machine where your engine is installed. Set up your environment to use the engine.

2. Create a directory in which to store the savesets for logical log backup. This step is only needed if you want to be able to save storage spaces or logical logs to files.

3. In the ONCONFIG configuration file of the engine, specify the volume pool names for storage spaces and logical logs by adding the following:


ISM_DATA_POOL datapool
ISM_LOG_POOL logpool


datapool
If you are going to archiving your storage spaces to tape devices then use the value ISMData here.

If you are going to archiving your storage spaces to files then use the value ISMDiskData here.
logpool
If you are going to be backing up your logical logs to tape devices then use the value ISMLogs here.

If you are going to be backing up your logical logs to files then use the value ISMDiskLogs here.


Example:

These parameters are for a system where devices will be used to archive storage spaces but the logical logs will be backed up to files.


ISM_DATA_POOL ISMData
ISM_LOG_POOL ISMDiskLogs


4. Set the LTAPEDEV parameter in the ONCONFIG file to anything but /dev/null.

5. Log in as root. Set up your environment to use the engine.

6. From the command line type:

ism_startup -init


7. Add user informix as an administrator by using the ism_add command with the following syntax:


ism_add-admin informix@machine_name


machine_name
Host machine name. The name should be the fully qualified name for the machine of which include the domain name.

8. Add the storage devices to the ISM server by using the ism_add command with the following syntax:

ism_add-device device_name -type Media_type_name
device_name
Full path to the device.
media_type_name
Type of media used by the storage device. Choose the appropriate value from this table. The case of the letters in the media_type value are not important.



media_type	Device's media type
himt	Half-inch magnetic tape drives
qic	Quarter-inch cartridge tape drives
4mm	Four-millimeter (DAT) tape drives
8mm	Eight-millimeter tape drives
5GB	Eight-millimeter five-gigabyte tape drives 8mm
3480	3480 tape drives
3570	3570 tape drives
4890	4890 tape drives
9490	9490 Timberline tape drives
dlt	Digital linear tape drives
File	Filesystem
Optical	Optical disk drives
VHS	VHS tape drives


If you do not see a media_type for your device check the "Choosing and Configuring Storage Devices" chapter of the IBM Informix
Storage Manager Administrator’s Guide and also the release notes for your engine to see if a new media_type has been added.
Type of storage device. Check ISM user guide for list of valid devices.

Example:

This command adds an 8mm DAT as a storage device. The device is located at /dev/rmt/0mn in the filesystem. ism_add -device /dev/rmt/0mn -type 8mm This command adds the directory /tmp/logfiles.bak as a storage device.
ism_add -device /tmp/logfiles.bak -type file

9. Label the devices by using the ism_op command with this syntax:


ism_op-label device_name-volume volume_name
-pool pool_name
device_name
Full path name to the device.
pool_name
The name of the volume pool to which the storage volume will belong. You must assign at least one device to each volume pool that you used in step 3.
volume_name
Volume name. Any descriptive name for this volume.


Examples:

This command labels the device /dev/rmt/0mn with a volume name of ISMData and puts it in the pool ISMData.

ism_op -label /dev/rmt/0mn -pool ISMData -volume ISMData

This command labels the directory /tmp/logfiles.bak with a volume name of ISMLogs and puts it in the pool ISMDiskLogs.

ism_op -label /tmp/logfiles.bak -pool ISMDiskLogs -volume ISMLogs


10. Mount the devices by using ism_op command with this syntax:


ism_op -mount device_name

device_name
Full path name to the device.

Example:
To mount the device /dev/rmt/0mn use this command:

ism_op -mount /dev/rmt/0mn

To mount the device /tmp/logfiles.bak use this command:


ism_op -mount /tmp/logfiles.bak

The set up is complete. Test the backup and restore using onbar commands.

Source from:https://www-304.ibm.com/support/docview.wss?uid=swg21105298