System Requirements - Hot Copy

Version 5 by Nathan McCoy
on Jan 18, 2016 11:08.

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Current by Nathan McCoy
on Jan 18, 2016 11:09.

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h3. {color:#000000}System Requirements {color}

| {color:#000000}{*}Installer{*}{color} | {color:#000000}RPM & APT Packages{color} |
| {color:#000000}{*}Memory{*}{color} | {color:#000000}Recommended Minimum 512 MB{color} |
| {color:#000000}{*}Linux Kernel{*}{color} | {color:#000000}2.6{color} |
| {color:#000000}{*}File Systems{*}{color} | {color:#000000}Works with any local file system {color} \\
\\
{color:#000000}{_}Note:  _{color}{color:#000000}{_}Cannot snapshot remote Network File Systems{_}{color} |
| {color:#000000}{*}Disk Space{*}{color} | {color:#000000}Block devices should have at least 15% free space available.  Alternatively, specify a file system with more free space to store Hot Copy changed blocks.{color} |
| {color:#000000}{*}Disks and Volumes{*}{color} | {color:#000000}Virtually Any Block Device {color} \\
{color:#000000}IDE, SATA, SCSI, SAS, ISCSI, Fibre Channel, {color} \\
{color:#000000}LVM, MD (Software RAID), Hardware RAID, DRBD{color} |

h3. {color:#000000}Linux Distributions{color}

| {color:#000000}{*}{+}Linux Distribution{+}{*}{color} | {color:#000000}{*}{+}Edition{+}{*}{color} |
| {color:#000000}{*}RedHat Enterprise{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}RHEL 4, RHEL 5, RHEL 6{color} |
| {color:#000000}{*}CentOS{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}CentOS-4, CentOS-5{color} |
| {color:#000000}{*}Ubuntu{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}5.04 (Hoary Hedgehog), 5.10 ({color}{color:#000000}{_}Breezy Badger{_}{color}{color:#000000}), 6.06 ({color}{color:#000000}{_}Dapper Drake{_}{color}{color:#000000}), 6.10 ({color}{color:#000000}{_}Edgy Eft{_}{color}{color:#000000}), 7.04 ({color}{color:#000000}{_}Feisty Fawn{_}{color}{color:#000000}), Ubuntu 7.10 ({color}{color:#000000}{_}Gutsy Gibbon{_}{color}{color:#000000}), Ubuntu 8.04 ({color}{color:#000000}{_}Hardy Heron{_}{color}{color:#000000}), Ubuntu 8.10 ({color}{color:#000000}{_}Intrepid Ibex{_}{color}{color:#000000}), 9.04 (Jaunty Jackalope), 9.10 (Karmic Koala), 10.04 (Lucid)*, 10.10 (Maverick)\*{color} |
| {color:#000000}{*}Fedora{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12\*{color} |
| {color:#000000}{*}Debian{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}4.0 {color}{color:#000000}_(Etch), 5.0 (lenny), 6.0 (Squeeze)\*_{color} |
| {color:#000000}{*}Novell SUSE Enterprise Server{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}10, 11{color} |
| {color:#000000}{*}Open SUSE{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}10, 11{color} |
| {color:#000000}{*}Mandriva{*}{color} \\
{color:#000000}32-bit (x86) & 64-bit (x64){color} | {color:#000000}2008, 2009, 2010{color} |

h3. {color:#000000}Virtualization{color}

| {color:#000000}{*}{+}Technology{+}{*}{color} | {color:#000000}{*}{+}Physical Server Install?+{*}{color} | {color:#000000}{*}{+}Guest (Virtual Machine) Install{+}{*}{color} |
| {color:#000000}{*}Citrix XenServer 5{*}{color} | {color:#000000}No{color} | {color:#000000}Install into guest VMs (domU){color} |
| {color:#000000}{*}Xen Source Hypervisor{*}{color} | {color:#000000}No{color} | {color:#000000}Install into guest VMs (domU){color} |
| {color:#000000}{*}VMWare ESXi{*}{color} | {color:#000000}No{color} | {color:#000000}Install into guest VMs{color} |
| {color:#000000}{*}VMWare Server{*}{color} | {color:#000000}No{color} | {color:#000000}Install into guest VMs{color} |
| {color:#000000}{*}VMWare Workstation{*}{color} | {color:#000000}No{color} | {color:#000000}Install into guest VMs{color} |
| {color:#000000}{*}Parallels Virtuozzo{*}{color} | {color:#000000}Yes, protects all Virtuozzo containers with one install{color} | {color:#000000}No, cannot be installed into individual Virtuozzo containers{color} |

| {color:#000000}{*}KVM{*}{color} | {color:#000000}No{color} | {color:#000000}Install into guest VMs{color} |

{info:title=Known Linux kernels with severely broken Ext4}{color:#000000}There was an issue with Ext4 introduced in "vanilla" Kernel.org kernel 2.6.32 and has been patched and released "down stream" into various Linux distributions. When any Ext4 file system snapshot is performed on an effected kernel, the file system can deadlock, causing a hung or crashed operating system. This is a Linux bug completely out of the control of R1Soft.{color}

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