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Full Discussion: MAX file size limited to 2GB
Top Forums UNIX for Dummies Questions & Answers MAX file size limited to 2GB Post 302183742 by mhbd on Thursday 10th of April 2008 12:50:19 AM
Old 04-10-2008
MAX file size limited to 2GB

Hi All,

We are running HP rp7400 box with hpux 11iv1.

Recently, we changed 3 kernel parameters

a) msgseg from 32560 to 32767
b) msgmnb from 65536 to 65535
c) msgssz from 128 to 256

Then we noticed that all application debug file size increase upto 2GB then it stops. So far we did not find any error in application despite debug file is incomplete.

Is the debug file size limited to 2GB size due to any of the 3 kernel parameters value change? If not, how to find out the problem?

Any suggestion will help us greatly.

Thanks in advance
 

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msgssz(5)							File Formats Manual							 msgssz(5)

NAME
msgssz - number of bytes in a System V IPC message segment (OBSOLETE) DESCRIPTION
The tunable is obsolete and has been removed. This tunable specified the size, in bytes, of a "segment" of memory space reserved for storing IPC messages. This tunable is replaced by the tunable msgmbs(5) (The maximum (in megabytes) kernel memory to be used for messages waiting to be received.) For more information about System V message queues, refer to the section of the mesg(5) manpage. WARNINGS
All HP-UX kernel tunable parameters are release specific. This parameter has been obsoleted for HP-UX 11i Version 3 and forward. AUTHOR
was developed by AT&T. SEE ALSO
msgsnd(2), mesg(5), msgmbs(5), msgmap(5), msgmax(5), msgmnb(5), msgmni(5), msgseg(5), msgtql(5). OBSOLETE
Tunable Kernel Parameters msgssz(5)
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