Reference Guide

Dell - Internal Use - Confidential
Confidential Page 2 5/10/2016
Release Notes— Fluid Cache for SAN for Linux Systems
Contents
PURPOSE OF THIS RELEASE .................................................................................................................................... 3
FIXED ISSUES IN THIS RELEASE ............................................................................................................................... 3
SOFTWARE AND HARDWARE COMPATIBILITY ....................................................................................................... 4
DRIVER REQUIRED VERSION .................................................................................................................................. 4
LINUX OPERATING SYSTEM DEPENDENCIES ........................................................................................................... 4
INSTALLATION INSTRUCTIONS ............................................................................................................................... 5
VERIFYING THE DIGITAL SIGNATURE OF A PACKAGE .............................................................................................................. 5
KNOWN ISSUES ARISING FROM THIRD PARTY SOFTWARE ..................................................................................... 6
LOW MEMORY HANDLING ISSUES ..................................................................................................................................... 6
OPENMANAGE INSTALLATION CAUSES RDMA TO FAIL ......................................................................................................... 6
JDK INSTALLER GENERATES LOG MESSAGES ....................................................................................................................... 6
VOLUME MANAGER DISK CREATION .................................................................................................................................. 6
XFS HANGS DURING FILE SYSTEM CREATION ...................................................................................................................... 7
XFS HANGS DURING NORMAL SYSTEM OPERATION ............................................................................................................. 7
BTRFS HANGS DURING NORMAL SYSTEM OPERATION ........................................................................................................... 7
BTRFS HANGS DURING NORMAL SYSTEM OPERATION ........................................................................................................... 7
EXT4 DATA INTEGRITY ISSUES .......................................................................................................................................... 7
EXT4 BUFFER CACHE DOES NOT EMPTY ............................................................................................................................. 8
KNOWN ISSUES IN FLUID CACHE FOR SAN 2.0 ....................................................................................................... 8
REMOVING A SERVER FROM A CLUSTER .............................................................................................................................. 8
REMOVING MULTIPLE SERVERS FROM A CLUSTER................................................................................................................. 8
REPLACING A FAILED NODE ON A THREE NODE CLUSTER ....................................................................................................... 8
FILE SYSTEMS TABLE (FSTAB) SETTINGS PREVENT SERVER FROM STARTING ............................................................................... 9
ROOT FILE SYSTEM FILLS UP .......................................................................................................................................... 10
CONFIGURATION ERRORS AFTER MAPPING VOLUME FAILS ................................................................................................... 10
TIMEOUTS ON POWEREDGE R820 SERVERS...................................................................................................................... 10
GPT PARTITION TABLE CORRUPTION ............................................................................................................................... 10
USE OF KPARTX TO PARTITION VOLUMES ......................................................................................................................... 11
SYSLOG ERROR MESSSAGES ........................................................................................................................................... 11
STOPPING THE FLUID CACHE SERVICE CREATES SEGMENTATION FAULT................................................................................... 11