Monday, January 19, 2015

what can't rhel do?

SpecificationVersion 3Version 4Version 5Version 6Version 7
Maximum logical CPUs 2
x8616323232N/A6
Itanium 28256 [512]256 [1024]N/A6N/A6
x86_64864 [64]160 [255]240 [4096]160 [5120]
POWER864 [128]128128128
System z64 (z900)64 (z10 EC)101 (zEC12)101 (zEC12)101 (zEC12)
Maximum memory5
x8664GB364GB316GB416GB4N/A6
Itanium 2128GB2TB2TBN/A6N/A6
x86_64128GB256GB [1TB]1TB6TB [64TB]3TB [64TB]
POWER64GB128GB [1TB]512GB [1TB]2TB2TB
System z256GB (z900)1.5TB (z10 EC)3TB (z196)3TB (z196)3TB (z196)
Maximum number of device paths ("sd" devices)
256256 131,024 13,148,192 13,1410,000 13,14
Required minimums
x86256MB256MB512MB minimum/1 GB/logical CPU recommended512MB minimum/1 GB/logical CPU recommendedN/A6
x86_64256MB256MB512MB minimum/1 GB/logical CPU recommended1GB minimum/1 GB/logical CPU recommended1GB minimum/1 GB/logical CPU recommended
Itanium 2512MB512MB512MB/1 GB/logical CPU recommendedN/A6N/A6
POWER512MB512MB1GB minimum/2GB recommended2GB minimum/2GB required per install2GB minimum/2GB required per install
Minimum diskspace800MB800MB1GB minimum/5GB recommended1GB minimum/5GB recommended10GB minimum/20GB recommended
File systems and storage limits
Maximum filesize (Ext3)2TB2TB2TB2TB2TB
Maximum file system size (Ext3)2TB8TB16TB16TB16TB
Maximum file size (Ext4)----16TB16TB16TB
Maximum file system size (Ext4)----16TB [1EB]16TB [1EB]50TB [1EB]
Maximum file size (GFS)2TB16TB [8EB]16TB [8EB]7N/AN/A
Maximum file system size (GFS)2TB16TB [8EB]16TB [8EB]7N/AN/A
Maximum file size (GFS2)----100TB [8EB]100TB [8EB]100TB [8EB]
Maximum file system size (GFS2)----100TB [8EB]100TB [8EB]100TB [8EB]
Maximum file size (XFS)----100TB [8EB]100TB [8EB]500TB [8EB]
Maximum file system size (XFS)----100TB [16EB]100TB [16EB]500TB [16EB]
Maximum Boot LUN size (BIOS)----2TB2TB102TB10
Maximum Boot LUN size (UEFI)----N/A32bit (i686) - 2TB, 
64bit - 16TB (tested limit)
50TB
Maximum x86 per-process virtual address spaceApprox. 4GBApprox. 4GBApprox. 3GB4Approx. 3GB4N/A6
Maximum x86_64 per-process virtual address space512GB2TB128TB128TB
Kernel and OS features
Kernel foundationLinux 2.4.21Linux 2.6.9Linux 2.6.182.6.32 - 2.6.343.10
Compiler/toolchainGCC 3.2GCC 3.4GCC 4.1GCC 4.4GCC 4.8.2
Languages supported1015192222
NIAP/CC certified11Yes (3+)Yes (4+)Yes (4+)Yes (4+)Under Evaluation (4+)
Common Criteria certified KVM11----EvaluatedEvaluatedUnder Evaluation
IPv6----Ready Logo Phase 2Ready Logo Phase 2Under Evaluation
FIPS certified11----Yes (7 modules)Yes (8 modules)Under Evaluation (9 modules)
Common Operating Environment (COE) compliantYesYesN/AN/AN/A
LSB-compliantYes - 1.3Yes - 3Yes - 3.1Yes - 4.0Under Evaluation (4.1)
GB18030NoYesYesYesYes
Client environment
Desktop GUIGnome 2.2Gnome 2.8Gnome 2.16Gnome 2.28Gnome 3.8
GraphicsXFree86X.orgX.org 7.1.1X.org 7.4X.org 7.7
OpenOfficeV1.1V1.1.2V2.0.4 12V3.2 12LibreOffice V4.1.4 12
Gnome EvolutionV1.4V2.0V2.8.0V2.28V3.8.5
Default browserMozillaFirefoxFirefox 1.5 12Firefox 3.6 12Firefox 24.5 12
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