1. Using Informix Warehouse Accelerator
with Informix high availability and
scale-out servers.
Informix 11.70.FC5

2. Informix Warehouse Accelerator – In 11.70.FC4
IBM Smart Analytics
Step 1. Install, configure, Studio
start Informix
Step 2. Install, configure, Step 3
start Accelerator
Step 1
Step 3. Connect Studio to
Informix & add accelerator
Step 4
Informix Database Server
Step 4. Design, validate,
Deploy Data mart
Step 5
Step 5. Load data to
accelerator
Ready for Queries
BI Applications
Step 2
Ready
Informix warehouse Accelerator
2

3. Background
• With 11.70.FC4, adding accelerator, create, deploy, load,
enable, disable datamart, accelerating queries – are all
operations officially supported only on Standard server
or Primary node of MACH11/HA environment.
• We estimate about 50% of Informix customers use HDR
secondary servers and growing number of customers use
MACH11 (SDS secondary) configurations and RSS nodes.
MACH11 is the Informix scale out solution.
• IWA itself supports a scale out solution (on a cluster)
starting with 11.70.FC4.
• Reasons to support MACH11 and IWA together.
– This feature will enable partitioning a cluster or HA group
between OLTP and BI workload.
– This feature will give help to off-load the expensive LOAD
functionality to secondary servers
– We have customers now requesting support for HDR secondary
to IWA

4. Informix Warehouse Accelerator – 11.70.FC5. MACH11 Support
IBM Smart Analytics
Step 1. Install, configure, Studio
start Informix
Step 2. Install, configure, Step 3
Informix
start Accelerator Informix
Step 1 Informix
HDR
Informix RSS
Step 3. Connect Studio to Secondary
SDS1
Informix & add accelerator
Informix Primary SDS2 Step 4
Step 4. Design, validate,
Deploy Data mart from
Primary, SDS, HDR, RSS Step 5
Step 5. Add IWA to sqlhosts
Load data to
Accelerator from any node.
Ready for Queries
BI Applications
Step 2
Ready
Informix warehouse Accelerator
4

5. Step 1: Install:
• Informix and IWA are installed just like before.
• Informix can be combination of standard,
primary, SDS, HDR secondary and RSS nodes.
• IWA can be installed on the same computer as any
one of the nodes or on distinct computer.
• IWA can also be installed on a cluster hardware
with multiple worker nodes for scale out
performance.

6. Step 2: Configure
• Informix and IWA are installed just like before.
• Informix can be combination of standard,
primary, SDS, HDR secondary and RSS nodes.
• IWA can be installed on the same computer as any
one of the nodes or on distinct computer.
• IWA can also be installed on a cluster hardware
with multiple worker nodes for scale out
performance.
• Note: Informix MACH11 technology works with
logged and ANSI databases only.

7. Step 2: Configure
•The secondary servers should be updatable
secondary servers.
•Set this in $ONCONFIG
UPDATABLE_SECONDARY 10

8. Step 3: Connect
• You can connect to IWA from Informix from any of the
Informix servers using existing method.
– Get the connection details via:
# ondwa getpin
– The output will be, ip address, port, pin for IWA connection.
– Use that information to create the connection.
• After successful connection from Informix to IWA, the
SQLHOSTS will have something like this
FAST group - -
c=1,a=484224232041684420473a283e612f74393e6025757159506a51344a6b4e2f2d2d47455e6b653f2f6c795f287d7b65224d6c3c2f65722e6a2a4245397b3b447d572c
3129696b306440
FAST_1 dwsoctcp 172.34.22.188 21022 g=FAST
• To use this connection on any of Informix nodes, copy these lines AS IS to the
SQLHOSTS file of those servers.
• Make sure copy ALL the lines within the FAST group.

9. Step 3: Connect..continued
• The name of the IWA will be used as the AQT site name in
systables.sitename. So, it’s important to have the right
site name in SQLHOSTS entry for a successful connection.
• Changing ANY of the details of this SQLHOSTS entry will
result in connection, query matching and acceleration
issues.

10. Step 4. Design, Validate and Deploy
• The secondary servers should be updatable secondary
servers.
• Set this in $ONCONFIG
UPDATABLE_SECONDARY 10
• The Design, validate and deploy would be identical.

11. Step 5. Running queries
• Once you deploy the data mart from one of the nodes,
the data mart definitions in the catalogs are replicated to
all the systems.
• SQLHOSTS entries should be copied over manually.
• After this, queries can be run as usual. Informix does
query matching and off-loading as it does on Primary.