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clivearnold

2 Posts

19739

June 21st, 2005 10:00

Array Manager, 'Prepare to Remove' is greyed out.

System: PowerEdge 2500/PERC 3Di/Windows Server 2003 (with no service pack)
 
The above is running a RAID 5 array of 5x 32GB disks with one 32GB disk as a hot spare, in Array Manager (version 3.7.0) the 'Prepare to Remove' option on an array disk is greyed and not available.
 
The driver and firmware are the latest available so I'm not sure what to do to enable this option ?.
 
Thanks.
 
Clive.

clivearnold

2 Posts

June 21st, 2005 11:00

... ah, another thread states that this is greyed out as this function is not available with RAID controllers that use Adaptec chipsets.

Does anyone know if via the bios of the RAID controller I can safely mark a disk as being 'offline' and have the hot spare automatically take over ?.

Thanks.

Clive.

warwizard55

720 Posts

June 21st, 2005 15:00

clivearnold,

  If you can pause I/O on the array, you should be able to safely remove a drive.

 

http://support.dell.com/support/edocs/storage/RAID/romb26/index.htm lists user guides to the controller and the FAST/CLI utilities. (FAST and array manager use the same API calls and will conflict with each other, uninstall one before installing the other.)
 
(Array manager 3.7...)
Prepare to Remove This section applies to PERC 2/SC, 2/DC, 3/SC, 3/DCL, 3/DC, 3/QC, 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, 4e/Di, PERC 2, 2/Si, 3/Si, and 3/Di controllers.

Before you remove any physical disk from an enclosure, it is recommended that you perform this operation to prevent data loss.

Note This procedure is not supported on the CERC ATA100/4ch, CERC SATA1.5/6ch, or CERC SATA1.5/2s controllers. In addition, this procedure is only supported for hotswap array disks (disks that reside in a carrier). To Prepare to Remove an Array Disk
  1. Right-click the disk that you want to remove.

  2. Click Prepare to Remove, then click Yes to continue.

  3. Remove the disk after it has spun down or the blink pattern has changed. Different backplanes, enclosures, or disk carriers have different behaviors to indicate that the disk is ready for removal.

For example, some carriers have three light emitting diodes (LEDs) which blink one after another (green, red, orange) until the disk is ready for removal. At this point, the LEDs blink in unison. Other carriers have only two LEDs which will blink slowly and then change to a faster blink pattern when the disk is ready to be removed. Some backplanes blink the LEDs and then shut off power to the disk when the disk is ready to be removed.

You need to observe the behavior of the LEDs in order to know when the disk is ready for removal. Generally, a change in the blink pattern or shutting off power to the disk is an indication that the disk can be removed. Behaviors other than those described here are possible. Refer to the hardware documentation for more information.

Note On PERC 2, 2/Si, 3/Si, and 3/Di controllers, this procedure is only supported for hotswap array disks (disks that reside in a carrier).

 

warwizard DCSP

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