HP Integrity NonStop H-Series - Manual (Page 43)

Introduction to DSM/SCM
DSM/SCM User’s Guide — 529846-014
1 - 10
Comparing DSM/SCM to
COPYOSS/PINSTALL/PCleanup
Comparing DSM/SCM to
COPYOSS/PINSTALL/PCleanup

PCleanup removes only old files that OSS products specify to remove. DSM/SCM
removes all files that are not still in the configuration.

COPYOSS only installs software. DSM/SCM installs and manages the software in
parallel with your Guardian products.

COPYOSS installs every file every time, overwriting existing files. DSM/SCM
installs only files that need to be installed, reducing downtime.

Using DSM/SCM, you can back out your OSS files to the previous configuration.

DSM/SCM provides separate placement and activation processes to minimize
application downtime.

COPYOSS is somewhat simpler to use, but DSM/SCM activation is faster.

DSM/SCM can install OSS files to remote systems.

When DSM/SCM places a new file, the security and ownership attributes are
adopted from the pre-existing file, if any exist. If the file does not exist, the security
attributes are designated by the pax archive file, and the ownership is the
DSM/SCM user ID.