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Linux Distribution Details
OSOracle Linux 4 Update 8 x86_64
Kernelkernel-xenU-2.6.9-89.0.0.0.1.EL.x86_64.rpm or higher
Virtualization TypeParavirtualized
 
Filesystems Tested
File SystemMount OptionsDetails
ext3NoneFor single instance database files.
Configuration Files
File Name
Conf File Settings
Comments
/etc/modprobe.conf alias eth0 xennet -
 alias scsi_hostadapter xenblk -
/etc/security/limits.conforacle soft nproc 131072 -
 oracle hard nofile 131072 -
 oracle soft nofile 131072# depending on size of db, these may need to be larger
 oracle soft core unlimited -
 oracle hard core unlimited -
 oracle hard nproc 131072 -
/etc/sysctl.confkernel.msgmax=8192 -
 kernel.msgmni=2878 -
 fs.file-max=327679 -
 net.ipv4.ip_local_port_range = 1024 65000 -
 kernel.shmmni = 4096 -
 kernel.msgmnb = 65536 -
 net.ipv4.tcp_syncookies = 1 -
 vm.lower_zone_protection=100 -
 kernel.sem=250 32000 100 142 -
 kernel.sysrq=1 -
 net.core.rmem_default=262144 -
 net.core.rmem_max=4194304 -
 net.core.wmem_default=262144 -
 net.core.wmem_max=262144 -
 fs.aio-max-nr=3145728 -
 kernel.shmmax=4398046511104# For 32bit architecture set (4GB-1) and for 64 bit architecture set 4TB
 kernel.shmall=1073741824 -
Miscellaneous
-
Oracle Software
OracleOracle Database 10g Release 2, Single Instance for Linux x86_64
Version10.2.0.4
PatchNone
 
Configuration Feedback
Bug No5333606
Summaryrpm throws errors if selinux is disabled at OS installation and is enabled at runtime
Affectserror at rpm packages installs
Symptomsduring packages installation, errors indicate the scriplet failures
Solutionrelabel the filesystems through 'touch /.autorelabel' or 'fixfilesrelabel'
 
Bug No5463714
Summarysystem will hang if reboot or restart iscsi service without unmount ocfs2 partition on iscsi volume
Affectssystem hang
Symptomsrestart iscsi service or reboot without umount iscsi volume cause system hang
Solutionunmount iscsi volume before restart iscsi service or reboot server
 
Bug No5593995
SummaryUsing Pro*C causes the system to run out of memory
AffectsCaused the system to hang.
SymptomsThe system hangs.
SolutionFor OEL5U3, Remove references to pathnames that do not exist on your system in pcscfg.cfg. Fixed in OEL5U4.
 
Bug No5693201
SummaryApplication does not detect OEL4 as RHEL4
AffectsApplications that use /etc/redhat-release for detection of distribution
SymptomsApplications that use /etc/redhat-release for detection of distribution may error out
Solutionecho "Red Hat Enterprise Linux AS release 4 (Nahant Update 4)" > /etc/redhat-release
 
Bug No8590136
SummaryUnder heavy memory load machine may OOM
AffectsBoth i386 and x86_64 architectures. Machines under heavy memory load
SymptomsSwap and Normal Zone memory is under utilized
SolutionAdd vm.min_free_kbytes=51200 in /etc/sysctl.conf and run sysctl -p
 
Bug No5240928
Summarywarning messages in trace files during certain workloads with async io turned on
AffectsPerformance under high i/o load
SymptomsFollowing warning in trace files WARNING: ORACLE PROCESS RUNNING OUT OF OS KERNEL I/O RESOURCES
SolutionFixed in 10.2.0.4. For 10g, versions lower than 10.2.0.4 ,apply patch 5452672.
 
 
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