Installing Adaptive Server Using Binary Overlay

Use the installer to install Adaptive Server version 15.7 ESD #2 on top of an Adaptive Server that is no earlier than version 15.7.x.

From your SYBASE directory, shut down Adaptive Server through the shutdown cluster command in isql.. Use a regular "polite" shutdown as opposed to using the shutdown with nowait option, both as the initial and final steps. Doing so flushes free space accounting figures, object statistics, and runs checkpoint on the database to minimize recovery work during the upgrade process.
Shut down all Sybase Control Center agents on all nodes:
$SYBASE/SCC-3_2/bin-scc.sh -stop
Use the installer to load the new software from the CD or DVD.
Navigate to the CD or DVD drive and enter ./setup.bin.
Install Adaptive Server 15.7 ESD #2 into the existing $SYBASE installation path.
At the end of the installation process, select Configure Sybase Control Center, and set a new password for both the SCC admin and agent.

Note: If the current Cluster Edition installation is created on a shared disk, enable SCC shared disk mode by selecting Yes for Do you want to enable SCC Shared Disk mode?
Restart Adaptive Server by using sybcluster. For example, to restart a cluster on a 2-node cluster:
Start SCC agent on each node:
```
nohup $SYBASE/SCC-3_2/bin/scc.sh -instance linstrs3 > & scc3.out & nohup $SYBASE/SCC-3_2/bin/scc.sh -instance linstrs4 > & scc4.out &
sybcluster -U uafadmin -Psybase123  -C testcluster -F "linstrs3:9999,linstrs4:9999" > connect testcluster> start cluster 
```
Note: Before starting sybcluster, perform the workaround steps in CR #713282 as described in the "Known Problems" section of the Adaptive Server release bulletin.
Run select @@version. The server should now be at version 15.7 ESD #2.
In Adaptive Server version 15.7, several changes were made to the system stored procedures and many new error messages have been added. After performing a binary overlay, you must perform the postinstallation tasks before running installmaster or instmsgs.ebf.
Once the server has been brought up on the new binary and and you have completed the upgrade of system tables, shut down, then restart Adaptive Server. This prevents incorrect table statistics from being stored in memory, and which may lead to poorly optimized query plans.