NetApp DS224C Manual page 4

◦ You should place disk drives on cushioned surfaces, and never stack disk drives on top of each other.
◦ You should be careful not to bump disk drives against other surfaces.
• Disk drives should be kept away from magnetic devices.
Magnetic fields can destroy all data on the disk drive and cause irreparable damage to the
disk drive circuitry.
• The best practice is to have the current version of the Disk Qualification Package (DQP) installed before
hot-swapping a disk drive.
Having the current version of the DQP installed allows your system to recognize and utilize newly qualified
disk drives; therefore, avoiding system event messages about having non-current disk drive information.
You also avoid the possible prevention of disk partitioning because disk drives are not recognized. The
DQP also notifies you of non-current disk drive firmware.
NetApp Downloads: Disk Qualification Package
• The best practice is to have the current versions of disk shelf (IOM) firmware and disk drive firmware on
your system before adding new disk shelves, shelf FRU components, or SAS cables.
Current versions of firmware can be found on the NetApp Support Site.
NetApp Downloads: Disk Shelf Firmware
NetApp Downloads: Disk Drive Firmware
• Disk drive firmware is automatically updated (nondisruptively) on new disk drives with non current firmware
versions.
Disk drive firmware checks occur every two minutes.
• If needed, you can turn on the disk shelf's location (blue) LEDs to aid in physically locating the affected disk
shelf:
storage shelf location-led modify -shelf-name shelf_name -led-status on
A disk shelf has three location LEDs: one on the operator display panel and one on each IOM12 module.
Location LEDs remain illuminated for 30 minutes. You can turn them off by entering the same command,
but using the off option.
• If needed, you can refer to the Monitoring disk shelf LEDs section for information about the meaning and
location of disk shelf LEDs on the operator display panel and FRU components.
Steps
1. If you want to manually assign disk ownership for the replacement disk drive, you need to disable
automatic drive assignment if it is enabled; otherwise, go to the next step.
You need to manually assign disk ownership if disk drives in the stack are owned by both
controllers in an HA pair.
You manually assign disk ownership and then reenable automatic drive assignment later in
this procedure.
a. Verify if automatic drive assignment is
2
enabled:storage disk option show