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HP-UX 11.23
HP-UX on Itanium
Configuration Guide
4
At the UNIX prompt, execute the following statements as "root". The user
ID of the user who is starting Adaptive Server and Backup Server must be
the owner of the /dev/async directory.
This step is mandatory for HP users.
To improve I/O performance on character or raw block devices, enable
asynchronous I/O by installing the HP asynchronous I/O driver from SAM. For
help with installing this driver, contact your operating system administrator or
HP technical support.
Before executing the following instructions, shut down Adaptive Server
Note
(or SQL Server).
1
To launch the Kernel Configuration use
2
Select Modules.
3
Select
and change the
asyncdsk
4
Rebuild the kernel, and reboot the system.
5
Execute the following commands using the
#/etc/mknod/dev/async c 101 4
#chmod 0660/dev/async
#chown <uid> /dev/async
#/etc/setprivgrp <ugrp> MLOCK
Where:
<uid> is the identification (user ID) used by the user that is booting
Adaptive Server.
<ugrp> is the user group for the sybase userid.
6
At the UNIX prompt, execute the following statements as "root". The user
ID of the user who is starting Adaptive Server and Backup Server must be
the owner of the /dev/async directory.
To verify that the
async
1
Log in as root.
2
Issue the command:
# kcmodule -a | grep aync
Result:
asyncdsk static required
or you can also use the following:
CHAPTER 3
Configuring the Operating System
kcweb -F
next boot
I/O is active on the Itanium machine:
.
to
.
static
root:
userid
39
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