Compaq ProLiant 8000 ProLiant 8000 Servers Maintenance and Service Guide - Page 191
messages. Run the System Configuration Utility, parity error was detected while
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6-64 Compaq ProLiant 8000 Servers Maintenance and Service Guide Table 6-16 ADU Diagnostic Messages continued Message Description WARNING: Storage enclosure on SCSI bus X indicated it is operating in single ended mode. One or more single-ended mode SCSI drives are installed in an external storage unit that operates in low voltage differential (LVD) mode. SOLUTION: This usually occurs when a single ended drive type is inserted into an enclosure with other drive types; and that makes the entire enclosure operate in single ended mode. To maximize performance replace the single ended drive with a type that matches the other drives. Write memory error Data could not be written to cache memory. This typically means that parity error was detected while writing data to cache. This could be caused by incomplete connection between cache and controller. This is not a data loss circumstance. Wrong Accelerator This could mean that either the board was replaced in the wrong slot or placed in a system that was previously configured with another board type. Included with this message is a message indicating (1) the type of adapter sensed by ADU and (2) the type of adapter last configured in EISA nonvolatile RAM. Recommended Action The array will continue to operate, but installing all low voltage differential (LVD) drives will maximize performance. With power to system turned off, verify that the cache board is fully connected to controller. Check the diagnosis screen for other error messages. Run the System Configuration Utility to update the system configuration.