A global hot spare can then be allocated to any array on the node. Hot spares can either be allocated to a specific array (when you have two or more), or it can be a "global" hot spare (GHS). In this way, the array returns to a fully operational state with minimal time in a degraded state. Roughly 30% of the disk performance is allocated for this background initialization.Ī "hot spare" is a drive physically in a node that is configured to automatically replace a drive that is in an array that fails. ![]() Until this is complete, disk performance will be degraded. This is because, after the initial initialization is complete, a full background initialization is performed. ![]() You will also note that the drives will have their activity LEDs blink for some time. Fujitsu M1 - BIOS - EP420i - MegaRAID Configuration Utility - Array Built.ĭo note that the ' Operation: Back Init.
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