Description
This article provides troubleshooting steps when the hardware appliance disk is showing as offline and is unable to boot into the system.
Scope
FortiManager, FortiAnalyzer.
The error message:
-
'There are offline or missing virtual drives with preserved cache' will be displayed on the hardware appliance console:
- This indicates that either the virtual drives or the hard drive might be in an offline state.
- A possible solution is to 'Clear Virtual Drive configuration' from the console and verify the status again.
- 'Clear Virtual Drive configuration' might leads to data being deleted.
Solution
- Reboot the hardware appliance.
- From the console, press any key to enter the configuration utility page:
-
On the configuration utility page -> VD Mgmt -> select first line 'AVAGO MegaRaid …' -> press F2 on the keyboard -> Clear Configuration
Note: It Might require connecting the external keyboard to the hardware appliance to parse the F2 key correctly to the appliance -
Select Yes to clear the configuration:
-
On the configuration utility page, it will now show all hard drives as 'Unconfigured Drives'.
- Press Esc on the keyboard -> select yes -> press Control+Alt+Delete to reboot:
-
During the reboot, it will start booting into the OS/image and start initializing:
- After booting into the system, proceed to Login from GUI -> verify the RAID Management status.
-
If Raid level & Status: Unavailable and Disk Status: Unused, proceed to format the disk via CLI:
- Format disk via CLI, this will reboot the appliance:
[FortiAnalyzer]# execute format <disk | disk-ext3 | disk-ext4> <RAID level>
- During the reboot, verify if the below the line is displayed on the console:
'/var' is not mounted
-
If /var not mounted, proceed to run the below command to mount the file system correctly:
[FortiAnalyzer]# diag system fsck harddisk
-
Login to GUI -> Raid Management and verify if all the statuses are good
