Dell PowerVault MD3200 Owner's Manual - Page 36
Physical Disks, Table 4-1., RAID Controller Physical Disk States, Status, Description, Status LED
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Physical Disks Only Dell™ supported 6.0-Gbps SAS physical disks are supported in the storage array. If the storage array detects unsupported physical disks, it marks the disk as unsupported and the physical disk becomes unavailable for all operations. NOTE: The MD3200 Series array must contain at least two physical disks for proper operation. This is necessary because the physical disks are used to store configuration information. Physical Disk States The storage array recognizes the physical disk states. Mode and status of physical disks are reported in the MDSM application. Possible values for mode and status or described in Table 4-1. Table 4-1. RAID Controller Physical Disk States Status Mode Description Physical Disk Status LED Optimal Assigned The physical disk in the indicated slot Steady Green is configured as part of a disk group. Optimal Unassigned The physical disk in the indicated slot Steady Green is unused and available to be configured. Optimal Hot Spare standby The physical disk in the indicated slot Steady Green is configured as a hot spare. Optimal Hot Spare in use The physical disk in the indicated slot Steady Green is in use as a hot spare within a disk group. Failed Assigned, Unassigned, Hot Spare in use, or Hot Spare standby The physical disk in the indicated slot Amber flashing has failed because of an unrecoverable (150 ms) error, an incorrect drive type or drive size, or by its operational state being set to failed. Replaced Assigned The physical disk in the indicated slot Green flashing has been replaced and is ready to be, (On 400 ms, Off or is actively being, configured into a 100 ms) disk group. 36 Planning: MD3200 Series Storage Array Terms and Concepts