Create The Dmapi Device; Setup Linux Environment For Non-Dce Mover - IBM Hub/Switch Installation Manual

1. Download the patch, xfs-2.4.18-1, from the HPSS website
lake.ibm.com/hpss/support/patches/xfs-2.4.18-1.tar).
2. Untar the downloaded file.
% tar -xvf xfs-2.4.18-1.tar
3. Copy xfs-2.4.18-1 (the patch file) to /usr/src.
% cp xfs-2.4.18-1 /usr/src
4. Change directory to /usr/src/linux-2.4.18 (or the root of your 2.4.18 kernel tree).
% cd linux-2.4.18
5. Apply the patch
% patch -p1 < ../xfs-2.4.18-1
6. Run make config and answer yes when questioned about XFS filesystem and DMAPI
support.
7. Remake the dependencies
% make dep
8. Build a new kernel
% make bzImage
9. Copy the bzImage to /boot, add a new stanza to the /etc/lilo.conf file, and run /sbin/lilo.
% cp arch/i386/boot/bzImage /boot/vmlinuz-2.4.18-xfs
% vi /etc/lilo.conf
% /sbin/lilo
3.9.2

Create the DMAPI Device

XFS utilizes a special device to allow communication between the userspace library linked by the
HDM and the XFS portion of the kernel. This device must be created before any DMAPI
applications will be able to operate successfully. To create the device, run the following command
as root:
% mknod /proc/fs/xfs_dmapi c 10 140

3.10 Setup Linux Environment for Non-DCE Mover

Use the following procedure to download, install, and configure your Linux environment for a
Non-DCE Mover (note necessary for RAIDZONE systems):
HPSS Installation Guide
Release 4.5, Revision 2
September 2002
Chapter 3 System Preparation
(http://www4.clear-
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