Chapter 6
Protecting the Hycu backup
controller
You can use an internal backup as a disaster protection strategy for your Hycu backup
controller virtual machine. If a disaster with the Hycu backup controller occurs (for
example, if it is deleted by accident or if the Nutanix cluster on which it is running goes
down), use this strategy to successfully protect and recover the Hycu backup controller.
Backing up the Hycu backup controller
After you deploy the Hycu virtual appliance (that is, your Hycu backup controller), perform
an internal backup of your Hycu backup controller by assigning a backup policy to it:
1. In the navigation pane, click Virtual Machines .
2. From the list of virtual machines, select your Hycu backup controller, and then click
Policies. The Policies dialog box appears.
3. Select the backup policy for your Hycu backup controller.
c Important Make sure that your backup policy has only one primary target
selected and that it does not have a secondary copy enabled. Otherwise, assigning
the backup policy to the Hycu backup controller will not be possible.
For detailed information about backup policies, see “Creating and managing
backup policies” on page 20.
4. Click Assign to assign the backup policy to the Hycu backup controller.
If you change the backup policy in any of the following ways after assigning it to the Hycu
backup controller, keep in mind the following:
l If you add multiple targets as primary targets to the policy (or automatic selection is
enabled), a new full backup will be performed every time the target changes.
l If you add one or more secondary copy targets, every backup copy size will be equal to
the size of the full backup.
In addition, note the following internal backup considerations:
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6 Protecting the Hycu backup controller
l Backup files are located on the primary target (as specified in the backup policy) in the
following folder:
/bkpctrl/controllerUuid/
t Tip Keep note of the target and the location of the backup.
l Every time the target is changed, the information in the Events panel is updated and
shows a message about the new location of the backup files.
Recovering the Hycu backup controller
To recover the Hycu backup controller, follow these steps:
1. Mount the target on which the Hycu backup controller is backed up.
2. Navigate to the /bkpctrl/controllerUuid folder, and then upload the disk image file
to the Nutanix image service. To do so, follow these steps:
a. Log on to the Nutanix Prism web console by using your Nutanix logon credentials.
b. In the menu bar, click , and then select Image Configuration.
c. In the Image Configuration dialog box, click Upload Image.
d. In the Create Image dialog box, provide the following information:
i. Enter a Hycu image name and, optionally, an annotation.
ii. From the Image Type drop-down menu, select DISK.
iii. In the Image Source section, select Upload a file, and then specify the location
of the image file.
t Tip The easiest way for you to locate the disk image file in the
/bkpctrl/controllerUuid folder would be to search for the largest file.
iv. Click Save.
v. Click Close after the image is successfully uploaded.
3. After you upload the disk image, depending on whether the Hycu backup controller is
present in the list of virtual machines, select one of the following procedures:
l Hycu backup controller is present
If the Hycu backup controller is present, but it is corrupted, follow these steps:
a. Log on to the Nutanix Prism web console by using your Nutanix logon
credentials.
b. In the menu bar, click Home, and then select VM .
c. Click Table, and then, from the list of virtual machines, select the Hycu backup
controller virtual machine and click Power Off Actions to shut it down.
d. Click Update. The Update VM dialog box appears.
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