Requirements for E5700 drive replacement

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Before you replace a drive, review the requirements and considerations.

Shelf types

You can replace a drive in a 24-drive shelf, in a 60-drive shelf, or in a drive drawer.

24-drive shelves

The figures show how the drives are numbered in each type of shelf (the shelf’s front bezel or end caps have been removed).

Drive numbering in an E5724 controller shelf or DE224C drive shelf

28 dwg e2824 de224c drive numbering maint e5700
Note Your E5724 storage array might include one or more SAS-2 legacy expansion drive trays, including the DE5600 24-drive tray or the DE6600 60-drive tray. For instructions for replacing a drive in one of these drive trays, see Replacing a Drive in E2660, E2760, E5460, E5560, or E5660 Drive Trays and Replacing a Drive in E2600, E2700, E5400, E5500, and E5600 12-Drive or 24-Drive Trays.

60-drive shelves

Both the E5760 controller shelf and the DE460C drive shelf consist of five drive drawers that each contain 12 drive slots. Drive drawer 1 is at the top, and drive drawer 5 is at the bottom.

28 dwg e2860 de460c front no callouts maint e5700

For both an E5760 controller shelf drawer and a DE460C drive shelf drawer, drives are numbered from 0 to 11 in each drive drawer within the shelf.

dwg trafford drawer with hdds callouts maint e5700
Note Your E5760 storage array might include one or more SAS-2 legacy expansion drive trays, including the DE1600 12-drive tray, the DE5600 24-drive tray, or the DE6600 60-drive tray. For instructions for replacing a drive in one of these drive trays, see Replacing a Drive in E2660, E2760, E5460, E5560, or E5660 Drive Trays and Replacing a Drive in E2600, E2700, E5400, E5500, and E5600 12-Drive or 24-Drive Trays.

Drive drawer

You can replace a drive drawer in a E5760 controller shelf and a DE460C drive shelf. Each of these 60-drive shelves has five drive drawers.

28 dwg e2860 de460c front no callouts maint e5700

Each of the five drawers can hold up to 12 drives.

92 dwg de6600 drawer with hdds no callouts maint e5700

Requirements for handling drives

Caution The drives in your storage array are fragile. Improper drive handling is a leading cause of drive failure.

Follow these rules to avoid damaging the drives in your storage array:

  • Prevent electrostatic discharge (ESD):

    • Keep the drive in the ESD bag until you are ready to install it.

    • Do not insert a metal tool or knife into the ESD bag.

      Open the ESD bag by hand or cut the top off with a pair of scissors.

    • Keep the ESD bag and any packing materials in case you must return a drive later.

    • Always wear an ESD wrist strap grounded to an unpainted surface on your storage enclosure chassis.

      If a wrist strap is unavailable, touch an unpainted surface on your storage enclosure chassis before handling the drive.

  • Handle drives carefully:

    • Always use two hands when removing, installing, or carrying a drive.

    • Never force a drive into a shelf, and use gentle, firm pressure to completely engage the drive latch.

    • Place drives on cushioned surfaces, and never stack drives on top of each other.

    • Do not bump drives against other surfaces.

    • Before removing a drive from a shelf, unlatch the handle and wait 30 seconds for the drive to spin down.

    • Always use approved packaging when shipping drives.

  • Avoid magnetic fields:

    • Keep drives away from magnetic devices.

      Magnetic fields can destroy all data on the drive and cause irreparable damage to the drive circuitry.