Intel RS2WG160 Hardware User Guide - Page 15
Redundancy through, Direct I/O: Reads data directly from disk. not cache - battery
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- Adaptive Read Ahead: Reads ahead and caches data only if doing sequential reads. - I/O setting. Determines whether read operations check the cache before reading from disks. ✧ Cache I/O: Checks cache first, only reads disk if data is not in the cache. ✧ Direct I/O: Reads data directly from disk. (not cache) • Redundancy through: - Configuration stored in non-volatile RAM and on the drives (COD). - Hot-swap support. - Optional battery backup for cache memory. Intel® RAID Controller RS2WG160 Hardware User's Guide 5
Intel® RAID Controller RS2WG160 Hardware User’s Guide
5
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Adaptive Read Ahead: Reads ahead and caches data only if doing sequential
reads.
—
I/O setting. Determines whether read operations check the cache before reading
from disks.
Cache I/O: Checks cache first, only reads disk if data is not in the cache.
Direct I/O: Reads data directly from disk. (not cache)
•
Redundancy through:
—
Configuration stored in non-volatile RAM and on the drives (COD).
—
Hot-swap support.
—
Optional battery backup for cache memory.