Please note the IDENTIFIER disk number (Figure 3).ĭiskutil addtoRAID member (Figure 1) IDENTIFIER of new drive (Figure 2) RAID Unique ID (Figure 3) The new drive’s TYPE NAME will be blank (Figure 2). Physically insert the new drive into the available slot on the storage device.Ī message may appear, asking to initialize the drive. Physically remove the failed drive from the storage device. Repeat steps a-e if necessary to confirm which one is failed. Repeat the diskutil checkraid command in Terminal as explained above. Physically disconnect one of the two drives from the device.Į. Safely remove the RAID by dragging it to the trash can.Ĭ. If you are not sure which drive is faulty, follow this procedure:Ī. If the LED on the unit is red or blinking, that is most probably the problem drive. ĭiskutil appleraid remove 148AC6C0-6105-4246-978B-CC729CCEEF9E disk3ĭisk Utility will now remove the failed drive from the RAID.ĭiscover which of the two physical hard drives is the failed one. In Terminal, type the following commands:ĭiskutil appleraid remove ( Figure 1 ) UUID of the failed drive (Figure 2 ) Device Node (Figure 3). Step 2 - Remove the failed drive from the RAID 1 You will need this data in order to remove the failed drive from the RAID, as well to rebuild the RAID.
Please note the Unique ID of the RAID (Figure B), the Device Node disk number (Figure C), and the UUID from the failed disk (Figure D) for later use. The Status for the disk may display Missing/Damaged or Failed.
The Status for the RAID displays that it is Degraded. These steps will demonstrate how to identify which drive has failed from the array:įrom the Desktop, select Go from the top menu bar, then Utilities > Terminal. Please follow this procedure to check the RAID status and rebuild the RAID 1: When one drive in a RAID 1 fails, it may need to be replaced. Proceed only when your computer has started normally. IMPORTANT! Do not attempt the following while your Mac is in Recovery Mode. IMPORTANT! Before proceeding, please safely eject and then physically disconnect all external storage devices (external hard drives, SD cards, etc) from your Mac computer, except the device on which you want to create the RAID. This article provides instructions to rebuild a RAID 1 using the Mac OS Terminal.
0 kommentar(er)
