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Upgrade from RAID0 to RAID10

The ExtraHop system is configured by default with RAID0 and four installed four drives. On the EDA 8000 and EDA 6100, you can purchase an additional four drives from ExtraHop and upgrade to a RAID10 configuration. This guide explains how to upgrade the EDA 8000 and EDA 6100 for RAID10 functionality.

You must have write access to the Admin UI on the ExtraHop appliance and the ExtraHop Rescue CD, which can be obtained by contacting ExtraHop Support.

Enable RAID10 configuration

  1. Insert the ExtraHop Rescue CD.
  2. Insert the four disks from ExtraHop into slots 4 through 7.
  3. Restart the ExtraHop Discover appliance.
  4. If your Discover appliance is configured with the default settings, proceed to step 6.
  5. If your system is not configured with the default settings, the Confirm device selection screen appears. Select Yes.
  6. The Select Menu Option screen appears.
  7. Select Advanced RAID Features.
  8. Click Yes to migrate to a RAID10 configuration.
After the migration process is complete, log into the ExtraHop Admin UI to verify that the disk states are online and functioning properly and to configure alert notifications.

Verify status information

  1. Log into the ExtraHop Admin UI.
  2. In the System Settings section, click Disk.
  3. In the Drive Map section, verify that all of the disks in the image are green.
  4. In the Firmware section, verify that the Status field displays Optimal.

    If the disks on the drive map are not all green and the RAID status is not optimal, see Repair a Degraded RAID10 Configuration.

Status information

Drive States

Green
The disk is online and functioning properly.
Yellow
The disk is not configured.
Red
The disk has failed or been removed.

RAID States

Optimal
RAID10 is configured.
Not Optimal
The disk might be degraded or partially degraded.
Recoverable
The hardware is functioning but not configured.
Not recoverable
The hardware is not functioning.

Configure an alert notification

  1. Log into the ExtraHop Admin UI.
  2. Go to the Network Settings section, and click Notifications.
  3. Click Email Notification Groups.
  4. On the Email Groups page, click the name of the email group that you want to update.
  5. On the Group Info page, select the System Health Notifications checkbox to send system storage alerts to the email group. These alerts will be sent when the physical disk is in a degraded state.
    For more information about email notifications, see the Notifications section of the ExtraHop Admin UI Guide.
Published 2018-06-15 00:22