IBM System Storage DS3-5K Service Manual

DS3500,3512
DS5020

Checking the LEDs

・ DS3500 Installation, User's, and Maintenance Guide.pdf?Checking the LEDs |

led-large-disk
led-small-disk

Drive activity LED (green)
Each drive has an activity LED. When this green LED is flashing, it indicates drive activity.
Drive status LED (amber)
Each drive has a status LED. When this amber LED is lit continuously, it indicates a drive failure.
When it is flashing, it indicates that the controller is identifying or building a drive.

Drive Replacement

DS3500,3512 - Storage Manager v10.10 or latest

Replace Drives option

  1. Wait the controller reconstructs parity of all the logical drives in that array, and hot spare drive is in-use state.
  2. Select the missing or failed drive and the in-use hot spare drive. Failed disk drive replacement
  3. Unplug the missing or failed drive, wait 60s then insert the new drive.
  4. Set the new drive as an hot spare.

Fail Drive option

  1. Unassign all hotspare drives first. This will prevent hotspare reconstruct and copyback operations.
  2. Fail drive. Recovery - Fail drive
  3. Unplug the missing or failed drive, wait 60s then insert the new drive.
  4. Reassign all hotspare drives.

DS5020

Confirm the drive in failed or offline state. Replacing hot-swap E-DDMs |

Battery Replacement

DS3500,3512

  1. Change logical drive to good controller. Change Ownership/Preferred Path
  2. Place bad battery of controller to offline. Recovery - Place controller
  3. Replacing a bad battery. Replacing a battery
  4. If necessary, place the controller to online. Recovery - Place controller

DS5020

  1. When the controller battery fails, first check the status of the battery LED. Battery unit LEDs |
  2. Make sure the "Service Action Allowed" and the "Service Action Required" LED are both illuminated, hot-swapping for replacement is permitted. Replacing a battery unit |

Powering off/on the storage subsystem

DS3500,3512

・ Turning off the storage subsystem |
・ Turning on the storage subsystem |

DS5020

・ Powering off the storage subsystem |
・ Powering on the storage subsystem |