Red Hat ENTERPRISE LINUX 4 - DM MULTIPATH Guide de l'utilisateur

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 10

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 11 6. ACTIVATING MULTIPATHD multipathd is the daemon that will monitor device paths at int

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 12 7. INTRODUCTION TO DM-MULTIPATH DDN’s multipath ddn_mpath_RHEL5_SLES10-0.4-7.x86_64.rp

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 13 7.2 DM-MULTIPATH COMPONENTS The dm-multipath kernel module – Provides control over

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 14 7.4 LINUX SCSI DEVICE ENUMERATION Linux enumerates SCSI devices in order of Host:BUS:I

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 15 # multipath -ll mpath19 (360001ff0721160000000002688e10002) dm-2 DDN,S2A 6620 [size=

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 16 # multipath -ll mpath19 (360001ff0721160000000002688e10002) dm-2 DDN,S2A 6620 [size=

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 17 # multipath -ll mpath19 (360001ff0721160000000002688e10002) dm-2 DDN,S2A 6620 [size

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 18 # multipath -ll mpath19 (360001ff0721160000000002688e10002) dm-2 DDN,S2A 6620 [size

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 19 9. MULTIPATH -LL OUTPUT WITH SLES 11 AND RHEL 6 Under RHEL 6 and SLES 11, the version

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 2 Table of Contents ...

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 20 10. KNOWN ISSUES 10.1 RHEL5X/SLES10X 10.1.1 INFINIBAND SCSI DEVICES THAT DISAPPEAR

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 21 10.3 VARIOUS 10.3.1 DEFAULT FOR PG_PRIO_CALC HAS CHANGED BETWEEN MULTIPATH VERSION 0

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 3 1. OVERVIEW This document provides instructions on how to install DDN’s multipath RPM an

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 4 3. INSTALLATION 3.1 RPM INSTALLATION Determine the Linux distribution on the host and

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 5 3.1.2 RPM INSTALLATION ON RHEL 5.4 – RHEL 5.6 AND SLES 10 SP2 For Red Hat Enterprise L

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 6 Step 2: # rpm -ivh ddn_mpath_SLES11-1.1-0.x86_64.rpm Preparing... ########

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 7 4. ARCHITECT AND CONFIGURE YOUR DDN STORAGE ARRAY Determine the LUN mapping configuratio

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 8 On S2A 9900, use the “user” and/or “zoning” directOS commands to achieve a port zoning c

© DataDirect Networks 2011. Multipath (V1.8) User Guide | 9 In the SFAOS, host channels are referenced by Controller, Raid Processor, and Port value