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Failed to start SAPDB instance

Hi experts,

I just installed MaxDB 7.6 in AIX 5.3. During the installation, I created the user "sdb", instance name "TST".

Under this sdb user, I ran this "./x_server start" to start the db server.

After that I used the command "./x_start TST "

Then I hit the follow error:

--- Starting GMT 2008-11-28 10:08:33 7.6.03 Build 009-123-163-622

2008-11-28 18:08:37 1 ERR 8 RTEMem No more system pages for 12288 bytes available,BYTE_SIZE=4096,DESCRIPTION=valloc,ERRORTEXT=ENOMEM ? out of memory

2008-11-28 18:08:37 1 ERR 11 RTEMem + Used 130277376 bytes from system heap with a limit of system imposed limitation bytes,ALLOC_COUNT=22,FREE_COUN

2008-11-28 18:08:37 1 ERR 11 RTEMem + T=0,ERROR_COUNT=275,BYTES_MAX_USED=13604741120

2008-11-28 18:08:37 1 ERR 11872 MEMORY Not enough memory for I/O buffer cache wanted : 13282304 kB!

2008-11-28 18:08:37 0 ERR 12006 DBCRASH Kernel exited without core and exit status 0x200

2008-11-28 18:08:37 0 ERR 12010 DBCRASH Kernel exited exit code 2

2008-11-28 18:08:37 ___ Stopping GMT 2008-11-28 10:08:37 7.6.03 Build 009-123-163-622

The interesting thing is that I am able to start the db instance from Database Manager.

Can anyone please help me to take a look at this issue? Is it the system memory problem? Or is it becasue the way I start db instance by unix command is wrong?

Thanks in advance!!

Regards,

Li Bin

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1 Answer

  • Best Answer
    Nov 28, 2008 at 12:17 PM

    Hi Li,

    why do you use 'x_start' ?

    AFAIK this is a long-gone now unsupported tool.

    If I would have to guess, then I'd say that 'x_start' starts the kernel directly with a different environment and thus different process limits (ulimit).

    When started via DBMGUI or DBMCLI the DBMServer starts the kernel in the right manner - thus avoiding the problem.

    best regards,

    Lars

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