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7
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Read Caching/Write Caching = Controller Cache
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Drive Write Cache = Enable
2.
Optimal Performance Settings for SSDs
RAID levels without parity (RAID 0/RAID 1/RAID 10)
Broadcom RAID controller card:
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Read Policy = Normal (No Read Ahead)
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Write Policy = Write Through
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IO Policy = Direct
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Disk Cache = Unchanged (not changeable)
Microsemi RAID controller card:
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Read Caching/Write Caching = SSD IO bypass
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Drive Write Cache = Enable
RAID levels with parity (RAID 5/RAID 6/RAID 50/RAID 60)
1.
Small block random read and write:
Broadcom RAID controller card:
-
Read Policy = Normal (No Read Ahead)
-
Write Policy = Write Through
-
IO Policy = Direct
-
Disk Cache = Unchanged (not changeable)
Microsemi RAID controller card:
-
Read Caching/Write Caching = SSD IO bypass
-
Drive Write Cache = Enable
2.
Large block sequential read and write:
Broadcom RAID controller card:
-
Read Policy = Normal (No Read Ahead)
-
Write Policy = Write Back
-
IO Policy = Direct
-
Disk Cache = Unchanged (not changeable)
Microsemi RAID controller card:
Summary of Contents for 3408 Series
Page 62: ...57 Figure 3 52 Selecting the Drive to be Configured Figure 3 53 Operation Screen ...
Page 78: ...73 Figure 3 73 Setting Choose Profile to 13_PD64 NVMe4 ...
Page 85: ...80 Figure 4 8 Selecting Load Driver 11 On the screen shown click Browse and press Enter ...
Page 86: ...81 Figure 4 9 Clicking Browse To install the driver 1 Select GHOST C as shown below ...
Page 89: ...84 Figure 4 12 Loading the Driver 4 On the screen shown click Next ...