Acer Altos easyStore M2 User Manual page 272

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To add HDDs in to a degraded RAID configuration:
Caution: HDDs are formatted before they are added to the
storage system. Make sure that you back up any important files
that are on the HDD before you add it to storage system.
Formatting a drive deletes all files on the HDD.
1 Install the new HDD to the storage system. Perform step 1 of the
previous section.
2 Add the HDD to a degraded RAID configuration.
(1) Access the IPStor Express Manager or refresh the browser
window. The Disk Change Notification page displays.
Note: Initially the Disk Status for the new HDD might display Spare
rather than Rebuilding. If this occurs, refresh the page to update
the status.
(2) In the Disk Change Notification page, click Continue to
continue rebuilding the disk and return to the IPStor Express
Manager.
The Disks page shows the progress of the rebuilding progress.
Alternatively, if the information on this page is not correct,
click Scan to scan the storage system again and update the
page.
You can also click Shut Down to shut down the storage
system. When you restart the storage system, the Disks page
displays.
8 Configuring the storage system