# Scheduling a Consistency Check

Perform the following steps to schedule a consistency check:

1. In the Controller dashboard, select More Actions > Schedule Consistency Check.
   The Schedule Consistency Check page appears.
   Figure 1. Schedule Consistency Check Dialog
2. Set the Consistency Check Mode. The available options are:
   - Concurrent – Run a consistency check concurrently on all virtual drives.
   - Sequential – Run a consistency check on one virtual drive at a time.
   - Disable – Disables the consistency check.
3. Set the desired interval at which you want to run the consistency check. The available options are:
   - Hourly, Daily, Weekly, Monthly, and Continuously.
   1. Select an appropriate date and time range.
4. Click Next.

   The Schedule Consistency Check page appears, which allows you to add virtual drives on which you want to perform a consistency check.

5. Click Add Virtual Drives.

   The Available Virtual Drive dialog appears, which lists all the virtual drives present in the selected drive group.

   Figure 2. Available Virtual Drives Dialog
6. You can either select each virtual drive individually by selecting the corresponding check box of a particular virtual drive or select all the virtual drives by selecting the check box that is located on the very first row.
7. Click Add Virtual Drives.

   The consistency check runs based on the frequency or interval chosen by you. You can also monitor the progress of the consistency check operation. See Background Operations Support.

8. Click Save.
9. (Optional) If you want to perform a consistency check operation immediately, from the Controller View section, select the virtual drive on which you want to perform a consistency check operation, select More ActionsStart Consistency Check.

   If you attempt to run a consistency check on a virtual drive that has not been initialized, a confirmation dialog appears, which asks for your confirmation.

Parent topic: Running the Consistency Check