Preparing for installation

Before you install IBM Discovery Library Adapter for z/OS 3.2.0, IBM Z Resource Discovery - Data Service, and IBM Z Operations Analytics Common on z/OS and Linux, you must prepare for installation.

on z/OS

You can follow the instructions of the Program Directory for IBM Discovery Library Adapter for z/OS in the PDF files.

On Linux

Create two temporary working directories on the target system. These directories will be referred to as TEMP_WORK_DIR_ZRDDS and TEMP_WORK_DIR_ZOA for the remainder of this document. For example,
- ```
mkdir -p /products/IBM/TEMP/ZRDDS
mkdir -p /products/IBM/TEMP/ZOACOMMON
```
Choose one of the following ways based on where you obtain the images:
- If you obtain the Linux components as DVD images or as physical DVDs from IBM ShopZ:
  1. Mount the ZRDDS DVD or DVD image to the target system.
  2. Copy the complete contents of the ZRDDS DVD into TEMP_WORK_DIR_ZRDDS:
```
cd [mount-point]
tar cf - * | tar xf - -C TEMP_WORK_DIR_ZRDDS
cd -
```
  3. Unmount the ZRDDS DVD or DVD image.
  4. Mount the ZOA Common DVD or DVD image to the target system.
  5. Copy the complete contents of the ZOA Common DVD into TEMP_WORK_DIR_ZOA:
```
cd [mount-point]
tar cf - * | tar xf - -C TEMP_WORK_DIR_ZOA
cd -
```
  6. Unmount the ZOA Common DVD or DVD image.
- If you obtain the Linux components as Fix Pack images from IBM Fix Central:
  1. Copy the ZRDDS fix pack image into TEMP_WORK_DIR_ZRDDS.
  2. Unpack the fix pack images:
```
cd TEMP_WORK_DIR_ZRDDS
tar xvf ZRDDS_FIX_PACK_IMAGE.tar.gz
```
  3. Remove the fix pack image:
```
rm ZRDDS_FIX_PACK_IMAGE.tar.gz
```
  4. Copy the ZOA Common fix pack image into TEMP_WORK_DIR_ZOA.
  5. Unpack the fix pack images
```
cd TEMP_WORK_DIR_ZOA
tar xvf ZOA_FIX_PACK_IMAGE.tar.gz
```
  6. Remove the fix pack image:
```
rm ZOA_FIX_PACK_IMAGE.tar.gz
```