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CT storage backends

108 bytes added, 11:09, 7 June 2016
return back row with 'Shared storage support', merge three tables to single table
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 = Comparison tables table =
<!--T:1-->
=== Solidity in front of failures and security ===
{| class="wikitable sortable" style="text-align: center;"
|-
! Feature
! OVZ Ploop
! LVM (ext4)
! ZFS
|-
!colspan="11" style="font-style:bold;background-color:gold;"|1. Solidity in front of failures and security
|-
|'''I/O isolation'''
|{{Yes|Good}}
|{{No|Bad}}: Some bug could be exploited to escape CT and access HN Possibility of "no inodes" issues (when file system <ref>[https://bugsjournal become a bottleneck).openvz.org/browse/OVZ-6296 CVE-2015-2925]</ref> <ref>[http://www.openwall.com/lists/oss-security/2014/06/24/16 CVE-2014-3519]</ref>|{{Yes|Good}}
|{{Yes|Good}}
|-
|'''Security'''
|{{Yes|Good}}
|{{No|Bad}}: Some bug could be exploited to escape CT and access HN file system <ref>[https://bugs.openvz.org/browse/OVZ-6296 CVE-2015-2925]</ref> <ref>[http://www.openwall.com/lists/oss-security/2014/06/24/16 CVE-2014-3519]</ref>
|
|
|-
|'''Reliability'''
|-
|'''Filesystem over filesystem'''
|{{No|Yes}}|{{Yes|No}}|{{Yes|No}}
|?
|-
|'''Effect of HN filesystem corruption at /vz'''
|{{Yes|No effectcorruption}}|{{No|Same FSPossible corruption}}
|?
|?
|{{No|Since 2014}}
|-
|} === Performance and design features ==={| class!colspan="wikitable sortable11" style="textfont-alignstyle: centerbold;background-color:gold;"! Feature! OVZ Ploop! OVZ SimFS (ext4)! LVM (ext4)! ZFS (~simfs)|2. Performance and design features
|-
|'''Maximum container volume space'''
|256 ZiB
|-
|'''Wasted Disk space due to architectureoverhead'''|{{No|up Up to 20%}}|{{Yes|No}}|{{No|up Up to 20%}}
|?
|-
|'''Disk iI/o O speed'''|Fast in any case|Very fast Fast only with small amount of containersper node, slowdown in case of big number of small files.|Fast in any case|Fast in any case
|-
|'''Disk space overcommit (provide more space for containers than available on server now)'''
|{{Yes}}
|-
|'''Shared storage support (Virtuozzo storage, NFS)'''|{{Yes|Yes}}|{{No|No}}=== Administrator operations ===|{{Yes|Yes}}|?{| class-!colspan="wikitable sortable11" style="textfont-alignstyle: centerbold;background-color:gold;"! Feature! OVZ Ploop! OVZ SimFS (ext4)! LVM (ext4)! ZFS (~simfs)|3. Maintenance
|-
|'''vzctl integration'''