This article provides the supported and theoretical limits of ClearOS®.
What can ClearOS® do? Find out in this quick-glance chart of the supported and theoretical 1 limits of the platform.
Specification | Version 3 | Version 4 | Version 5 | Version 6 | Version 7 |
---|---|---|---|---|---|
Maximum logical CPUs 2 | |||||
x86 | 16 | 32 | 32 | 32 | N/A6 |
Itanium 2 | 8 | 256 [512] | 256 [1024] | N/A6 | N/A6 |
x86_64 | 8 | 64 [64] | 160 [255] | 288 [4096]17 | 288 [5120]17 |
POWER | 8 | 64 [128] | 128 | 128 | 192 [2048] |
System z | 64 (z900) | 64 (z10 EC) | 64 (z13) | 64 (z13) | 256 (z13) |
Maximum memory5 | |||||
x86 | 64GB3 | 64GB3 | 16GB4 | 16GB4 | N/A6 |
Itanium 2 | 128GB | 2TB | 2TB | N/A6 | N/A6 |
x86_64 | 128GB | 256GB [1TB] | 1TB | 12TB [64TB]15 | 12TB [64TB]16 |
POWER | 64GB | 128GB [1TB] | 512GB [1TB] | 2TB | 2TB |
System z | 256GB (z900) | 1.5TB (z10 EC) | 4TB (z13) | 4TB (z13) | 10TB (z13) |
Maximum number of device paths ("sd" devices) | |||||
256 | 256 13 | 1,024 13,14 | 8,192 13,14 | 10,000 13,14 | |
Required minimums | |||||
x86 | 256MB | 256MB | 512MB minimum/1 GB per logical CPU recommended | 512MB minimum/1 GB per logical CPU recommended | N/A6 |
x86_64 | 256MB | 256MB | 512MB minimum/1 GB per logical CPU recommended | 1GB minimum/1 GB per logical CPU recommended | 1GB minimum/1 GB per logical CPU recommended |
Itanium 2 | 512MB | 512MB | 512MB/1 GB per logical CPU recommended | N/A6 | N/A6 |
POWER | 512MB | 512MB | 1GB minimum/2GB recommended | 2GB minimum/2GB required per install | 2GB minimum/2GB required per install |
Minimum diskspace | 800MB | 800MB | 1GB minimum/5GB recommended | 1GB minimum/5GB recommended | 10GB minimum/20GB recommended |
File systems and storage limits | |||||
Ext3 - Maximum file size | 2TB | 2TB | 2TB | 2TB | 2TB |
Ext3 - Maximum file system size | 2TB | 8TB | 16TB | 16TB | 16TB |
Ext3 - Maximum subdirectories | 32000 | 32000 | 32000 | 32000 | 32000 |
Ext3 - Maximum symlink depth | 8 | 8 | 8 | 8 | 8 |
Ext3 - ACL support | Yes | Yes | Yes | Yes | Yes |
Ext4 - Maximum file size | -- | -- | 16TB | 16TB | 16TB |
Ext4 - Maximum file system size | -- | -- | 16TB [1EB] | 16TB [1EB] | 50TB [1EB] |
Ext4 - Maximum subdirectories | -- | -- | 65000/unlimited | 65000/unlimited | 65000/unlimited |
Ext4 - Maximum symlink depth | -- | -- | 8 | 8 | 8 |
Ext4 - ACL support | -- | -- | Yes | Yes | Yes |
GFS - Maximum file size | 2TB | 16TB [8EB] | 16TB [8EB]7 | N/A | N/A |
GFS - Maximum file system size | 2TB | 16TB [8EB] | 16TB [8EB]7 | N/A | N/A |
GFS2 - Maximum file size | -- | -- | 100TB [8EB] | 100TB [8EB] | 100TB [8EB] |
GFS2 - Maximum file system size | -- | -- | 100TB [8EB] | 100TB [8EB] | 100TB [8EB] |
XFS - Maximum file size | -- | -- | 100TB [8EB] | 100TB [8EB] | 500TB [8EB] |
XFS - Maximum file system size | -- | -- | 100TB [16EB] | 300TB [16EB]18 | 500TB [16EB] |
XFS - Maximum subdirectories | -- | -- | unlimited | unlimited | unlimited |
XFS - Maximum symlink depth | -- | -- | 8 | 8 | 8 |
XFS - ACL support | N/A | N/A | Yes | Yes | Yes |
Maximum Boot LUN size (BIOS) | -- | -- | 2TB | 2TB10 | 2TB10 |
Maximum Boot LUN size (UEFI) | -- | -- | N/A | 32bit (i686) - 2TB, 64bit - 16TB (tested limit) |
50TB |
Maximum x86 per-process virtual address space | Approx. 4GB | Approx. 4GB | Approx. 3GB4 | Approx. 3GB4 | N/A6 |
Maximum x86_64 per-process virtual address space | 512GB | 2TB | 128TB | 128TB | |
Kernel and OS features | |||||
Kernel foundation | Linux 2.4.21 | Linux 2.6.9 | Linux 2.6.18 | 2.6.32 - 2.6.34 | 3.10 |
Compiler/toolchain | GCC 3.2 | GCC 3.4 | GCC 4.1 | GCC 4.4 | GCC 4.8.2 |
Languages supported | 10 | 15 | 19 | 22 | 22 |
NIAP/CC certified11 | Yes (3+) | Yes (4+) | Yes (4+) | Yes (4+) | Under Evaluation (4+) |
Common Criteria certified KVM11 | -- | -- | Evaluated | Evaluated | Under Evaluation |
IPv6 | -- | -- | Ready Logo Phase 2 | Ready Logo Phase 2 | Under Evaluation |
FIPS certified11 | -- | -- | Yes (7 modules) | Yes (8 modules) | Under Evaluation (9 modules) |
Common Operating Environment (COE) compliant | Yes | Yes | N/A | N/A | N/A |
LSB-compliant | Yes - 1.3 | Yes - 3 | Yes - 3.1 | Yes - 4.0 | Under Evaluation (4.1) |
GB18030 | No | Yes | Yes | Yes | Yes |
Client environment | |||||
Desktop GUI | Gnome 2.2 | Gnome 2.8 | Gnome 2.16 | Gnome 2.28 | Gnome 3.8 |
Graphics | XFree86 | X.org | X.org 7.1.1 | X.org 7.4 | X.org 7.7 |
OpenOffice | V1.1 | V1.1.2 | V2.0.4 12 | V3.2 12 | LibreOffice V4.1.4 12 |
Gnome Evolution | V1.4 | V2.0 | V2.8.0 | V2.28 | V3.8.5 |
Default browser | Mozilla | Firefox | Firefox 1.5 12 | Firefox 3.6 12 | Firefox 24.5 12 |