From d0909749b52147f52d38dc5c7e11768e249c4a19 Mon Sep 17 00:00:00 2001
From: lissav <lissav@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 5 Apr 2011 18:03:45 +0000
Subject: [PATCH] add workaround to setup DB2 to come up after reboot on Linux.
  Check to see if writable directory when running -o option on AIX

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@9228 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-client/bin/db2sqlsetup | 54 +++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/xCAT-client/bin/db2sqlsetup b/xCAT-client/bin/db2sqlsetup
index 657655c5f..8338dcc56 100755
--- a/xCAT-client/bin/db2sqlsetup
+++ b/xCAT-client/bin/db2sqlsetup
@@ -1274,6 +1274,52 @@ sub db2reboot
        xCAT::MsgUtils->message("W", " $cmd failed.");
     
     }
+    # if on Linux redhat6 ,  we need to setup /etc/init.d
+    # this is a workaround until DB2 no longer uses /etc/inittab on Linux
+    
+    if ($::osname eq 'Linux') {
+      # check to see DB2 has not already implemented a script in /etc/inittab
+      $cmd = " fgrep db2fmcd /etc/init.d/*";
+      xCAT::Utils->runcmd($cmd, -1);
+      if ($::RUNCMD_RC == 0) {
+         my $message = "DB2 /etc/init.d reboot file already setup";
+         xCAT::MsgUtils->message("I", "$message");
+      } else {
+        $cmd = "cp /opt/xcat/share/xcat/tools/db2xcat /etc/init.d/db2xcat";
+        xCAT::Utils->runcmd($cmd, 0);
+        if ($::RUNCMD_RC != 0)
+        {
+            xCAT::MsgUtils->message("E", " $cmd failed. DB2 will not automatically restart on reboot.");
+        } else { # added the script to start db2fmcd
+          $cmd = "chkconfig --add db2xcat";
+          xCAT::Utils->runcmd($cmd, 0);
+          if ($::RUNCMD_RC != 0)
+          {
+            xCAT::MsgUtils->message("E", " $cmd failed. DB2 will not automatically restart on reboot.");
+            
+          }
+        }
+      }
+      # add setup required for DB2 reboot
+      $cmd = " fgrep \"kernel.shmmax = 268435456\" /etc/sysctl.conf";
+      xCAT::Utils->runcmd($cmd, -1); # entry not there
+      if ($::RUNCMD_RC != 0) {
+         $cmd = "echo \"#xcat setup\" >> /etc/sysctl.conf ";
+         xCAT::Utils->runcmd($cmd,0);
+         if ($::RUNCMD_RC != 0)
+         {
+            xCAT::MsgUtils->message("I", " $cmd failed.");
+         }
+         $cmd = "echo \"kernel.shmmax = 268435456\" >> /etc/sysctl.conf ";
+         xCAT::Utils->runcmd($cmd,0);
+         if ($::RUNCMD_RC != 0)
+         {
+            xCAT::MsgUtils->message("I", " $cmd failed. DB2 will not automatically restart on reboot.");
+         }
+      }
+  
+     } # end Linux
+        
     
 }
 
@@ -1348,6 +1394,14 @@ sub setupODBC
     {
         if (!(-e "$::databaseloc/sqllib/lib/libdb2.so"))
         {
+            $cmd = "touch db2sql.test"; # see if this is a writable directory
+            xCAT::Utils->runcmd($cmd, 0);
+            if ($::RUNCMD_RC != 0)
+            {
+                my $message = "You are not in a writable directory. To run this command change to a directory in which db2sqlsetup can create files.";
+                xCAT::MsgUtils->message("E", " $cmd failed. $message");
+                exit(1);
+            }
             $cmd = "ar -x $::databaseloc/sqllib/lib/libdb2.a";
             @rpmoutput = xCAT::Utils->runcmd($cmd, 0);
             if ($::RUNCMD_RC != 0)