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IOMEGA STORAGE PROVISIONING AND RAID MIGRATION CONFIGURATION GUIDE
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4. Each hard drive contains a small amount of on-disk write cache. Using the write cache can help improve write
performance in some cases. However, data integrity may be at risk when the device loses power in the middle
of I/O, yet cached data has not been committed to the drive. Therefore, the best practice is to enable write
caching only when the Iomega device is protected by UPS. This is a global setting that applies to all drives.
Figure 3 Configure write caching
5. If a drive slot has no drive inserted, the slot is shown empty.
Figure 4 Drive slot without a drive