IBM SAS RAID 5, Руководство пользователя

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Table 2. PCIe SAS RAID controller card comparison (continued)
Features 57B7 57B3 574E
Auxiliary write cache
(AWC) support Yes No No
Dual storage IOA
configuration No No Yes
Requires dual storage IOA
configuration No No Yes
1. The write performance of RAID 5 and RAID 6 might be poor on adapters that do not provide write cache.
Consider using an adapter that provides write cache when using RAID 5 or RAID 6.
Adapter graphics
View the SAS RAID controllers.
Figure 4. CCIN 57B7 Planar Auxiliary Cache
Figure 5. CCIN 57B3 PCIe x8 Ext Dual-x4 3 Gb SAS adapter
Chapter 2. SAS RAID controllers for IBM i
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