Oracle Enterprise Linux 5

Specifications	Oracle Enterprise Linux 4	Oracle Enterprise Linux 5
Architectures	X86, X86-64, Itanium *	X86, X86-64, Itanium **
Versions	Update 4, Update 5, Update 6, Update 7, Update 8	General Availability (Release 1), Update 1, Update 2, Update 3, Update 4
Minimum Memory Requirements	256MB X86, X86-64 512MB IA64	512MB
Minimum Disk Space	800MB	1GB
Max Memory	64GB x86 1TB Intel64 256GB AMD64	16 GB x86 1TB Intel64 256GB AMD64
Max Number of CPUs	Unlimited	Unlimited
Kernel Base Version	2.6.9	2.6.18
Compiler	Gcc 3.4	Gcc 4.1
Libraries	Glibc 2.3.4	Glibc 2.5
Cluster Administration	OCFS2 available, GFS and Cluster Suite not in base OS	OCFS2 available, GFS and Cluster Suite included in base OS
Supported Filesystems
Ext3 Max File Size	2TB	2TB
Ext3 Max filesystem size	8TB	8TB/16TB (in 5.1)
OCFS2 Max File Size	16TB	16TB
OCFS2 Max filesystem size	16TB	16TB
GFS Max File Size	N/A	16TB/8EB
GFS Max filesystem size	N/A	16TB/8EB
* For the Itanium architecture, Oracle provides rpms for download from ULN starting with OEL4U6. Oracle provides ISOs for free download from Oracle E-Delivery starting with OEL4U8. ** For the Itanium architecture, starting with OEL5 Update 4, ISOs are available on Oracle E-Delivery and rpms are available on ULN