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Program Scope

The goal of this program is to validate hardware with Oracle Linux and Oracle VM, and to identify issues and configuration details that would impact customer deployments. Oracle developed the program to go far beyond the standard certification testing normally performed with operating systems. Hardware vendors participating in this program perform thorough testing of the hardware in real-world configurations with Oracle Linux and Oracle VM.

This is not a database certification. Oracle Database is a component of the environment because it is demanding on hardware resources (processor, memory, cache, storage, network) and the operating system, and well suited for this advanced level of testing. The validation program uses Oracle Database as a tool and hardware is not certified with Oracle Database as a result of the validation program.

For more information please see the program's Frequently Asked Questions (FAQ).

Validated Configuration Details
Configuration SummaryOracle Linux 5 Update 5 x86_64 on Sun Fire X4270 M2 Server and Sun ZFS Storage Appliance 7420 with Oracle Database 11g Release 2
Publication Date21-JAN-11
Server PlatformSun Fire X4270 M2 Server
Storage ModelSun ZFS Storage Appliance 7420
Oracle SoftwareOracle Database 11g Release 2 ( for Linux x86_64
Linux DistributionOracle Linux 5 Update 5 x86_64
Server and Storage Platform Details
Server Model2 X Sun Fire X4270 M2 Server
Processors2 X 12 Core Genuine Intel(R) CPU L5640 2.27GHz
Memory8GB RAM
OnBoardStorage4 X 279GB SAS drives
Network/Interconnect2 X Dual Port Intel Corporation 82576 Gigabit Ethernet Controller Gigabit
Storage ModelSun ZFS Storage Appliance 7420
Switch Details
Switch ModelLinksys SR224G (host) SRW2048 (SP)
Switch TypeNetwork Switch
Additional Info.None
Oracle Linux Distribution Details
osOracle Linux 5 Update 5 x86_64
Kernelkernel-2.6.32-100.0.19.el5.x86_64.rpm (Unbreakable Enterprise Kernel) or higher
oracle-linuxoracle-linux-5.0.0-6.rpm or higher, it installs Oracle Linux 5 with Unbreakable Enterprise Kernel
Additional Packages Needed From Distribution
Oracle Packages
oracle-validated-1.1.0-5.el5.x86_64.rpmoracle-validated installs the packages required for Oracle Database and sets the recommended system parameters. It is not required but is recommended to save time in getting the system setup.It is available in ULN channels, Oracle Linux media, and NOTE: oracle-validated does not install gdb. Oracle support recommends to install gdb for supportability and diagnosability.
Configuration Files
Conf File Settings Comments
/etc/security/limits.conforacle soft memlock 50000000 
 oracle hard core unlimited 
 oracle soft core unlimited 
 oracle hard nproc 12000000 
 oracle soft nproc 12000000 
 oracle hard nofile 12000000 
 oracle soft nofile 12000000 
 oracle hard memlock 50000000 
/etc/sysctl.confkernel.msgmni = 2878 
 kernel.sem = 250 32000 100 142 
 kernel.shmmni = 4096 
 net.core.rmem_default = 262144 
 net.core.rmem_max = 4194304 
 net.core.wmem_default = 262144 
 net.core.wmem_max = 1048576 
 fs.aio-max-nr = 3145728 
 net.ipv4.ip_local_port_range = 9000 65500 
 vm.min_free_kbytes = 51200 
 fs.file-max = 12000000 
 kernel.shmall = 1073741824 
 kernel.shmmax = 4000191641600 
 kernel.msgmax = 8192 
 kernel.msgmnb = 65536 
 net.ipv4.tcp_syncookies = 1 
 kernel.core_uses_pid = 1 
 net.ipv4.conf.default.rp_filter = 1 
 kernel.sysrq = 1 
Filesystems Tested
Filesystem Mount Options Details
NFSrw,bg,hard,tcp,nfsvers=3,timeo=600,rsize=32768,wsize=32768Single instance data files
 rw,rsize=32768,wsize=32768,hard,bg,nfsvers=3,tcp,actimeo=0,timeo=600RAC data files
 rw,rsize=32768,wsize=32768,hard,bg,nfsvers=3,tcp,actimeo=0,timeo=600RAC ocr and voting disk files
Driver Modules
Driver ModuleNetwork driver module(igb)igb
Additional Info.The driver is supplied with Oracle Linux 5
Two gigabit networks, 1 for public(igb) and 1 private(igb).
The swap partition is 16GB.
Oracle Software Details
ProductOracle Database 11g Release 2, Single Instance and Oracle Real Application Clusters (RAC) for Linux x86_64
Configuration Feedback
Bug No9466221
SummaryDmesg displays "Task XXXX: blocked for more than 120 seconds" under load
AffectsSystems on OEL5.5/RHEL5.5
SymptomFollowing messages may be seen in dmesg - "Task XXXX: blocked for more than 120 seconds"
Solution/WorkaroundThese messages are only for information;newly added in OEL5.5/RHEL5.5. To disable this messages echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
Bug No10056679
Summaryunable to start X
AffectsX environment
SymptomOn some hardware startup of X environment may fail after upgrading to Unbreakable Enterprise Kernel with following Error:#Fatal server error:#Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices.
Solution/Workaroundreconfigure X using command "X -configure" and use generated configuration file to start X environment.
Bug No10104470
SummaryError message on boot, "Unable to set hardware clock"
SymptomError message at boot or at runtime while attempting to set the hardware clock
Solution/WorkaroundThis error at boot can be safely ignored. If this error is encountered at runtime, install util-linux-2.13- Fixed in EL5U6
Bug No10381916
SummaryDuring the network failure on one rac node, oracle shadow processes failover to surviving nodes but after some time oracle shadow processes crashes on survived nodes with following error in alertlogs "Fatal NI connect error 12547, connecting to:(LOCAL=NO)"
Affects11gR2 RAC
SymptomOracle shadow processes crashes on survived nodes with following error in alertlogs "Fatal NI connect error 12547, connecting to:(LOCAL=NO)" after network failure on one node.
Solution/WorkaroundReduce the load or Contact Oracle support for higher loads
Bug No6140224
Affects11gR1 and 11gR2
Symptomsqlplus fails with the following error message "cannot restore segment prot after reloc: Permission denied"
Solution/WorkaroundDisable selinux
Bug No9100826
SummaryFlashback Archive: Error ORA-942 in database alert and trace logs.
SymptomDuring database creation following messages are seen in database alert log and trace files: "Flashback Archive: Error ORA-942 in SQL select ROWID from SYS_FBA_FA where ROWNUM = 1".
Solution/WorkaroundContact Oracle Support.
Bug No9126894
Summary"ORA-24010: QUEUE SYS.AQ_SRVNTFN_TABLE_Q_1 does not exist" in database trace files
SymptomError message "Exception Occured, Error msg: ORA-24010: QUEUE SYS.AQ_SRVNTFN_TABLE_Q_1 does not exist" seen in trace log files
Solution/WorkaroundFixed in
Bug No9391048
Summary"ERROR: SGA Memory leak detacted" error during database shutdown
SymptomError message "ERROR: SGA memory leak detected" seen in trace log files during database shutdown.
Solution/WorkaroundContact Oracle Support.
Bug No8451866
SummaryIncorrect multipath.conf setting affects RAC node failover. Settings(features = "1 queue_if_no_path") and/or (no_path_retry = queue) causes the node hang if io path fails. no_path_retry has to be set to the numeric value explicitly.
AffectsAll applications using device mapper multipath devices which have contingency plan in case of io path failure.
SymptomRAC node hangs if io path fails.
Solution/WorkaroundIn configuration file /etc/multipath.conf,set no_path_retry and polling_interval to the numeric values, for example, "no_path_retry=5" and "polling_interval=10" so as to disable queuing. These values depend on system workload.
Bug No8265418
Summarykexec/kdump not working as expected on HP Smart Array P400i Controller
Affectsvmcore generation on cciss disks (HP Smart Array P400i Controller Firmware Version: 1.18)
SymptomAfter booting from crash kernel, machine will hang with following messages on console: cciss:using PCI PM to reset controller cciss:controller message 03:00 timed out
Solution/WorkaroundRemove reset_devices from KDUMP_COMMANDLINE_APPEND argument in /etc/sysconfig/kdump
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