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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)
 
Terrorbyte V2
(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 
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Logitec G500 
CPUCPUMotherboardRAM
Intel Xeon L5520 Intel Xeon L5520 SuperMicro X8DTi-F 48GB Nanya 1066MHz ECC RDIMM 
Hard DriveHard DriveHard DriveHard Drive
128GB Samsung 830 480GB SanDisk Extreme II 2TB WD Red 2TB Samung Spinpoint F4 
Hard DriveHard DriveHard DriveHard Drive
2TB Hitachi Deskstar 7K3000 1TB Samsung Spinpoint F3  3TB Toshiba DT01ACA300 Seagate Barracuda 7200.14 
OSPowerCaseOther
Windows Server 2012 R2 Datacenter  Corsair 650TX  Norco RPC 4224 LSI 9261-8i 
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Le Main Rig
(17 items)
 
Terrorbyte V2
(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 
CPUCPUMotherboardRAM
Intel Xeon L5520 Intel Xeon L5520 SuperMicro X8DTi-F 48GB Nanya 1066MHz ECC RDIMM 
Hard DriveHard DriveHard DriveHard Drive
128GB Samsung 830 480GB SanDisk Extreme II 2TB WD Red 2TB Samung Spinpoint F4 
Hard DriveHard DriveHard DriveHard Drive
2TB Hitachi Deskstar 7K3000 1TB Samsung Spinpoint F3  3TB Toshiba DT01ACA300 Seagate Barracuda 7200.14 
OSPowerCaseOther
Windows Server 2012 R2 Datacenter  Corsair 650TX  Norco RPC 4224 LSI 9261-8i 
Other
Intel RES2CV240 
  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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