HP MSA 1040 HP MSA 1040 CLI Reference Guide (762782-001, March 2014) - Page 197

Partner Notify Shows whether the partner controller will be notified when a trigger condition occurs. • Disabled: Notification is disabled; the partner controller will continue using its current caching mode. This is the default. • Enabled: Notification is enabled; the partner controller will change to write-through mode for better data protection. Auto Write Back Shows whether the cache mode will change from write-through to write-back when the trigger condition is cleared. • Disabled: Auto-write-back is disabled. • Enabled: Auto-write-back is enabled. This is the default. Drive Spin Down Non-Vdisk Enable Shows whether available disks and global spares will spin down after a period of inactivity shown by the Drive Spin Down Non-Vdisk Delay field. • Disabled: Drive spin down for available disks and global spares is disabled. This is the default. • Enabled: Drive spin down for available disks and global spares is enabled. Drive Spin Down Non-Vdisk Delay Shows the period of inactivity in minutes after which available disks and global spares will spin down, from 1-360 minutes. The value 0 means spin down is disabled. The default is 15 minutes. Disk Background Scrub Shows whether disks that are not in vdisks are automatically checked for disk defects to ensure system health. The interval between background disk scrub finishing and starting again is 72 hours. • Disabled: Background disk scrub is disabled. This is the default. • Enabled: Background disk scrub is enabled. Managed Logs Shows whether the managed logs feature is enabled, which allows log files to be transferred from the storage system to a log collection system to avoid losing diagnostic data as logs fill. • Disabled: The managed logs feature is disabled. This is the default. • Enabled: The managed logs feature is enabled. Single Controller Mode Not supported. Auto Stall Recovery Shows whether the auto-stall recovery feature is enabled, which detects situations where a controller stall is preventing I/O operations from completing, and recovers the system so that at least one controller is operational, thus avoiding data-unavailability situations. This feature focuses on Active-Active I/O stalls and failover/recovery stalls. When a stall is detected, event 531 is logged. • Disabled: Auto-stall recovery is disabled. The system will constantly perform auto-stall detection in the background but will not automatically perform recovery actions. This is the default. • Enabled: Auto-stall recovery is enabled. The system will constantly perform auto-stall detection in the background and automatically perform recovery actions. show advanced-settings 197