1–2 Verifying component failures
Hitachi Unified Storage Hardware Service Guide
Replaceable parts
The following list shows the components that you can replace on site for
Hitachi Unified Storage 110 storage systems.
•Drives
• Cache backup batteries
• Fan Module for CBL
• Power Units
• Controllers
•Cache memory
• Host I/O Board for CBXSS/CBXSL/CBSS/CBSL
•Host I/O Module for CBL
• Host Connector
• Drive I/O Module for CBL
• I/O Module (ENC) for DBS/DBL
• SAS (ENC) cable for DBS/DBL
For Hitachi Unified Storage 130 and 150 storage systems, please contact
your Hitachi representative.
NOTE: These procedures are for the CBXSS/CBXSL Controllers and DBS/
DBL Drive Boxes only.
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