Dell EqualLogic PS4100 Hardware Maintenance Manual

Also see for PS4100: Hardware Overview Configuration guide Setting up Installation and setup guide

Contents

Dell EqualLogic PS4100 Hardware Maintenance Manual Manual pdf 13 page image

72 Maintaining DrivesYou can replace a failed drive while the array remains running.About Drive TypesDepending on your configuration, your array supports up to 24 2.5-inch SAS drives or up to 12 3.5-inchSAS drives in internal drive bays.Drives are connected to a backplane through drive carriers and are hot-swappable.Drives are supplied in a carrier that is keyed to fit into specific array models, and cannot be installed in otherDell arrays or arrays not from Dell Inc.Identifying Failed DrivesA drive failure is indicated by:• LEDs on the drive. See Interpreting Drive LEDs.• A message on the console, in the event log, or in the Group Manager Alarms panel.• Indications in the Group Manager Member Disks window or the CLI member select show diskscommand output.Behind the bezel, arrays have a label showing the drive numbering for that specific array model:• In arrays with 2.5-inch drives (installed vertically in a row), the drives are numbered 0-23, left to right.• In arrays with 3.5-inch drives (installed horizontally), the drives are numbered from left to right and topto bottom, starting with 0 on the upper left side.Table 3 shows the drive order for the 3.5-inch drives.Table 3 3.5-inch Drive NumberingInterpreting Drive LEDsThe LEDs on a 3.5-inch drive are shown in Figure 6. The LEDs on a 2.5-inch drive are shown in Figure 7.Drive LED states are described in Table 4.0 1 2 34 5 6 78 9 10 11