Oracle HSM: Redhat 6.X Linux Shared QFS Clients Cannot Write To QFS File System With Multipath Enabled

(Doc ID 2040911.1)

Last updated on DECEMBER 05, 2016

Applies to:

Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 5.4 and later
Information in this document applies to any platform.


With multipath /dev/mapper devices configured in the SAM-QFS configuration file (/etc/opt/SUNWsamfs/mcf), a RH6.X Shared QFS client cannot write to the QFS file system.

The problem is not seen when Linux multipath is not configured.  This problem is also not seen with RH5.X clients using multipath.


The customer configured RH6 clients to use multipath devices.  Example configuration methods shown below. 

A '/opt/SUNWsamfs/sbin/samd config' command auto-generates an mcf file, with example entries like the following:



Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms