HP-UX 11i Version 2 December 2007 Release Notes

NOTE: HP-UX Parallel Umounts is a Software Pack (SPK) product available on the web. It is
not available on the HP-UX 11i v2 Operating Environments (OEs) media. For more information,
see “Software Pack (Optional HP-UX 11i v2 Core Enhancements)” (page 34).
Summary of Change
This new product implements parallel unmounts. This will make umountall(1M) work quickly.
The mounted file systems will get unmounted in parallel, waiting only for dependent mount
points. All the independent mount points will get unmounted concurrently.
Impact
This new product, if installed, will make shutdown faster. The shutdown command unmounts
all the mounted file systems. With this product installed, this phase will complete quickly,
bringing down the overall shutdown time.
Compatibility
There are no known compatibility issues
Performance
The performance of shutdown will increase with this product. The shutdown command
unmounts all the mounted file systems. With this product installed, this phase will complete
quickly, bringing down the overall shutdown time.
Documentation
Further information about HP-UX Parallel Umounts (UmountallCmdEnh) can be found on its
download page at
http://h20293.www2.hp.com/portal/swdepot/
displayProductInfo.do?productNumber=UmountallEnh
Obsolescence
Not applicable.
140 Disk and File Management