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Download Compaq HSG80 - StorageWorks RAID Array Controller Specifications
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1–17 External Cache Battery To preserve the write-back cache data in the event of a primary power failure, a cache module must be connected to an external cache battery (ECB) or a UPS. Compaq supplies two versions of ECBs: a single-battery ECB for single controller configurations, and a dual-battery ECB for dual-redundant controller configurations, which is shown in Figure 1–6. 1 2 SH US STAT F OF UT E CH CA ER W PO E CH CA ER W PO US STAT F OF UT SH 4 3 ~ CXO5713A Figure 1–6. Dual-battery ECB SBB Table 1–7. Key to Figure 1–6 Dual-Battery ECB SBB Item Description ➀ Shut off button ➁ Status LED ➂ ECB Y cable for the BA370 Enclosure ECB Y cable for the Data Center Cabinet ➃ Micro-D port for second battery Compaq HSG80 Array Controller ACS Version 8.4 Configuration and CLI Reference Guide
