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Storage Server - Page 5

post #41 of 45
Thread Starter 
LSI MegaRAID 9261-8i
post #42 of 45
Quote:
Originally Posted by BarberJeff View Post

LSI MegaRAID 9261-8i

Great choice. Did it come with a Battery? If not, you need to get one as well.
post #43 of 45
Quote:
Originally Posted by tycoonbob View Post

Great choice. Did it come with a Battery? If not, you need to get one as well.

How important is it to get the battery?
post #44 of 45
Quote:
Originally Posted by seross69 View Post

Quote:
Originally Posted by tycoonbob View Post

Great choice. Did it come with a Battery? If not, you need to get one as well.

How important is it to get the battery?
get one if you run RAID 5 or 6 or nested raids. Especially if you have no UPS.
Le Main Rig
(17 items)
 
 
CPUMotherboardGraphicsRAM
i7-6700K Asus Sabertooth Z170 Mark 1 Gigabyte GTX 960 WindForce 2X OC G.SKILL Ripjaws V  
Hard DriveHard DriveHard DriveHard Drive
1050GB Crucial MX300 1050GB Crucial MX300 960GB OCZ RD400 1TB Micron M600 
Hard DriveCoolingOSMonitor
1TB WD Blue Noctua NH-U12S Windows 10 Pro 64-Bit BenQ GW2765HT 
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Le Main Rig
(17 items)
 
 
CPUMotherboardGraphicsRAM
i7-6700K Asus Sabertooth Z170 Mark 1 Gigabyte GTX 960 WindForce 2X OC G.SKILL Ripjaws V  
Hard DriveHard DriveHard DriveHard Drive
1050GB Crucial MX300 1050GB Crucial MX300 960GB OCZ RD400 1TB Micron M600 
Hard DriveCoolingOSMonitor
1TB WD Blue Noctua NH-U12S Windows 10 Pro 64-Bit BenQ GW2765HT 
MonitorKeyboardPowerCase
BenQ GW2765HT FUNC KB-460 Corsair RM650 Fractal Design R5 
Mouse
Logitec G500 
  hide details  
Reply
post #45 of 45
Quote:
Originally Posted by Sean Webster View Post

get one if you run RAID 5 or 6 or nested raids. Especially if you have no UPS.

Basically if you are running any sort of parity-based RAID on a hardware controller, you want the battery. No battery means only write through, which yields less performance. With a battery, it allows you to use write-back meaning it writes to the cache of the controller first, and calls the write complete before it actually goes to the drive. If you use write-back without a battery and you have a power failure, there is no way to guarantee that whatever was in the cache of the controller got wrote to disk, which leads to corrupt data.
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