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SME Server:Documentation:Administration Manual:Chapter5 (view source)

Revision as of 08:42, 26 December 2007

529 bytes removed ,  08:42, 26 December 2007
→‎Software Mirroring: remove waffle
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=====Software Mirroring=====
 
=====Software Mirroring=====
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The SME Server comes by default with RAID1 disk mirroring if you install one or two drives.  The server is configured to accept one drive and will function properly. You can verify the RAID1 status from the console. If you later wish to add a second drive, just add it and instruct the server via the console to create the mirror.  It will take some time to build so do it during scheduled maintenance.  They can be either SCSI or IDE drives.  
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The SME Server comes by default with RAID1 disk mirroring if you install one or two drives.  The server is configured to accept one drive and will function properly. You can verify the RAID1 status from the console. If you later wish to add a second drive, just add it and instruct the server via the console to create the mirror.  It will take some time to build so do it during scheduled maintenance.  They can be either SCSI or IDE drives.  
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{{Note box|The SME Server supports many levels of software implementations of RAID.  The number of drives you install will dictate how the server will automatically configure itself. Note: All disks must be of the same size.
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{{Note box|The SME Server supports many levels of software implementations of RAID.  The number of drives you install will dictate how the server will automatically configure itself. Note: All disks must be of the same size.
 
   
 
   
 
  * Automated installation as RAID
 
  * Automated installation as RAID
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  * 3-5 disks: RAID5
 
  * 3-5 disks: RAID5
 
  * 6+ disks: RAID6
 
  * 6+ disks: RAID6
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--SME Server supports a software implementation of RAID Level 1, known as disk mirroring.-- It does not support RAID Level 0 (disk striping), as that does not provide any protection of your data whatsoever. --It does not support RAID Level 5 (disk striping with parity) because of the poor performance and reliability of software implementations of RAID5. If you are seeking RAID5 support, Contribs.org recommends you consider one of the many hardware implementations which will provide both protection and performance.
   
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