Monthly Archives: March 2013

the system doesn’t upgraded to the correct TL

Hello everybody, sometimes, after upgrading AIX System you found that it doesn’t upgraded to the correct Level even after reboot the system. if you face kind of this problem, you just need to run the follwoing command :

0516-082 varyonvg: Unable to access a special device file

if you got the following errot while you trying to vary on a volume group: #varyonvg testvg 0516-082 varyonvg: Unable to access a special device file. Execute redefinevg and synclvodm to build correct environment.

/etc/getrootfs[591] : ‘processid’ killed

I will telling you about Funny issue I faceed yesterday.   I wanted  to reboot a test machine, it’s stopped on LED code ‘557‘ which means it can’t mount root file system, I tried to boot from  AIX installation DVD … Continue reading

How to increase size of Sybase database on UNIX platforms ?

Issue  I have problem in size of database because the free space of the database is less than specific percentage of total space. Cause Users used to update in the database and that lead to increase used space of this database

Common Error Codes in DB2 for Z/OS

When DB2 executes SQL statements, it returns the results of the operation into the SQLCODE and SQLSTATE fields in the SQLCA. SQLCODE provides key information about the success or failure of SQL statement execution.

VSAM for z/OS

Do you ever think to compress VSAM dataset? Do you know how to enable SMS on your z/OS system? Do you know how to start SMSVSAM Server? How convert non-sms volume to sms managed volumes? Do you know how to enable … Continue reading

DB2 for z/OS Common Rules

Rule 1:  Don’t Grant any DB2 Object for PUBLIC, you don’t know who will use this authority and get access to your DB2 subsystem. Rule 2: Grant access to DB2 objects according to need to know concept, don’t give extra … Continue reading

display number of fibre ports and status of each one

you can use the following script to display the number of fibre ports on your system that you have and also the status of each one, you can use it as a healthy check script :

dsh command

dsh Command Purpose Runs commands concurrently on multiple nodes and hardware devices.

change password through cluster

if you have more than one node and they are connected together through POWERHA (HACMP), ofcourse you need an easy way to make normal users change thier password and automaticlly updated on the other node.