Dell PowerVault MD3620i Owner's Manual - Page 39

Table 4-1. RAID Controller Physical Disk States (continued) Status Pending Failure Offline Identify N/A Mode Description Physical Disk Status LED Assigned, A Self-Monitoring Analysis and Flashing green Unassigned, Reporting Technology (SMART) error (500 ms), amber Hot Spare in has been detected on the physical disk (500 ms), and off use, or Hot in the indicated slot. (1000 ms) Spare Standby Not applicable The physical disk has either been spun Flashing green down or had a rebuild aborted by user (3000 ms), amber request. (3000 ms), and off(3000 ms) Assigned, The physical disk is being identified. Unassigned, Hot Spare in use, or Hot Spare Standby Green flashing (250 ms) N/A The indicated slot is empty, or the array cannot detect the physical disk. If a disk drive rebuild fails because of a source drive failure or because the drive is too small, the MDSM reports a failure of the physical disk even though the LED state on the drive indicates that the rebuild was aborted (green for 3 seconds, amber for 3 seconds, then off for 3 seconds). Self-Monitoring Analysis and Reporting Technology SMART monitors the internal performance of all physical disk components to detect faults indicating the potential for physical disk failure. SMART uses this information to report whether failure is imminent so that a physical disk can be replaced before failure occurs. The storage array monitors all attached drives and notifies you when a predicted failure is reported by a physical disk. Virtual Disks and Disk Groups When configuring a storage array, you must: 1 Organize the physical disks into disk groups. 2 Create virtual disks within these disk groups. Planning: MD3600i Series Storage Array Terms and Concepts 39