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Help With Install Script

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Old 03-22-2010
Help With Install Script
I have an installation script that my customer has been using for some time that exists on a DVD image I send to my customers. The DVD image I send to my customer has now reached the point of becoming multiple DVDs. My customer is in the habit of executing the installation script using the following method.

cd /DVD/mountpoint
./installation.sh

I would like the installation script to prompt the customer to mount the second DVD and all the customer needs to do is hit enter once the DVD is mounted. The issue is that if the customer executes the script using this method they are sitting within the mount point. I recalled a way to re-execute the script after copying to /tmp/subdir, but what is the most seamless way to do this so that the customer can continue executing the installation in the same way? The installation script is a Korn shell script. Any feedback is greatly appreciated. Thanks very much.
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LEARN ABOUT HPUX

strmsgsz

STRMSGSZ(5)							File Formats Manual						       STRMSGSZ(5)

NAME

       STRMSGSZ - maximum size of streams message data (bytes)

VALUES

   Failsafe
   Default
   Allowed values
   Recommended values
DESCRIPTION

       This  tunable  limits the number of bytes of message data that can be inserted by or in the data portion of any streams message on the sys-
       tem.  If the tunable is set to zero, there is no limit on how many bytes can be placed in the data segment of the message.

       returns if the buffer being sent is larger than the current value of segments the data into multiple messages.

   Who Is Expected to Change This Tunable?
       Any customer.

   Restrictions on Changing
       Changes to this tunable take effect at next reboot.

   When Should the Value of This Tunable Be Raised?
       The tunable should be increased by any customer if the customer's STREAMS module/driver(s) require a longer message size in the	data  por-
       tion than the current value.

   What Are the Side Effects of Raising the Value of This Tunable?
       The kernel will use more memory.  During low memory situations, it may bring down system performance due to frequent swapping.

   When Should the Value of This Tunable Be Lowered?
       The  tunable  could  be lowered by any customer if the customer's STREAMS module/driver(s) do not require a longer message size in the data
       portion than the current value.

   What Are the Side Effects of Lowering the Value of This Tunable?
       Possible improper functioning in any of the STREAMS module/driver(s).  Possible performance degradation, particularly in networking.

   What Other Tunable Should Be Changed at the Same Time as This One?
       None.

WARNINGS

       All HP-UX kernel tunable parameters are release specific.  This parameter may be removed or have its meaning changed in future releases	of
       HP-UX.

       Installation  of  optional  kernel  software, from HP or other vendors, may cause changes to tunable parameter values.  After installation,
       some tunable parameters may no longer be at the default or recommended values.  For information about the effects of installation  on  tun-
       able  values,  consult  the documentation for the kernel software being installed.  For information about optional kernel software that was
       factory installed on your system, see at

AUTHOR

       was developed by HP.

							     Tunable Kernel Parameters						       STRMSGSZ(5)