
recommended raid setup for a custom server
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Affected Roles: OS media recording
Related Digital Watchdog VMS Apps: Custom Servers Running DW Spectrum
Complexity:  High
Date Created: 11/1/2019
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RAID Setup recommendations
Our Blackjack RAID configured Servers are shipped out with the RAID pre-configured. In most cases, the RAID is set as RAID1 or RAID5. Below you will see the 2 RAID configurations used on our products.
RAID1:
Create Virtual Drive – Virtual Drive Settings
| RAID LEVEL | RAID1 | 
| STRIP SIZE | 256KB | 
| ACCESS POLICY | READ WRITE | 
| READ POLICY | ALAWAYS READ AHEAD | 
| WRITE POLICY | WRITE THROUGH | 
| IO POLICY | DIRECT | 
| DRIVE CACHE | UNCHANGED | 
| DISABLE BGI | NO | 
RAID5:
Create Virtual Drive – Virtual Drive Settings
| RAID LEVEL | RAID5 | 
| INITIALIZE STATE | FAST INITIALIZE | 
| STRIP SIZE | 512KB | 
| ACCESS POLICY | READ WRITE | 
| READ POLICY | ALAWAYS READ AHEAD | 
| WRITE POLICY | ALWAYS WRITE BACK | 
| IO POLICY | DIRECT IO | 
| DRIVE CACHE | UNCHANGED | 
| DISABLE BGI | NO | 
