How to Filter for Slice Replacement (DiskSuite Tool)

This task shows how to use DiskSuite Tool to find a suitably sized replacement slice for an errored slice in a submirror.

This approach is not limited to mirrors. You can use this task to find replacement slices for any type of metadevice.

1. Click Disk View to display the Disk View window.

   The Disk View window appears.

2. Drag the errored Mirror object from the Objects list to the canvas.

3. Select one submirror (a Concat/Stripe object) within the mirror and drag it to the Disk View window. Then do the same for the second submirror (and third submirror if this is a three-way mirror).

   The Disk View window colors the slices with a different color corresponding to the submirrors in the Mirror object. This helps you see where the slices are located, for example, across controllers.

4. Click Slices to display the Slice View window.

   The Slice View window appears.

5. Click Set Filters in the Slice View window.

   The Slice Filters window appears.

6. To search for available slices, make sure the "Available for use as" radio button is checked, and that "Metadevice Component" is selected in the pull-down.

7. Filter for slices to replace the errored slice.

   One way to do this is to set up a filter that finds slices greater than a size that is slightly smaller than the errored slice. This will display a larger range of slices than if you set up a filter that searches for slices equal to the errored slice size.

8. Check the "Size" radio button, select "greater than" in the first pull-down, type the size of the slice (in Mbytes, and slightly smaller than the errored slice's size) in the text box, and select Mbytes in the second pull-down.

9. Click Apply and view the results in the Slice Browser window.

   If necessary, change values in the Slice Filters window and click Apply to change the filtering scheme.

10. In the Slice Browser window, click Select All. Then drag the selected slices to a color drop site in the Disk View window.

11. View the results in the Disk View window.

    DiskSuite Tool uses the color for all slices dragged to the Disk View window.

12. Select a replacement slice.

    You can now make your slice selection for a DiskSuite object following the guidelines outlined in "General Guidelines". Pick a replacement that is large enough and follows mirror guidelines (on different controller, or at least a different disk.)

13. Drag the replacement slice from the Disk View window to the rectangle of the Concat/Stripe object with the errored slice.

14. Commit the mirror.

    Click inside the top of the Mirror object then click Commit. A mirror resync begins.