In this article I showing you how t o create a managed path using SharePoint Central Administration.
Create Quota Template
1. In Central Administration click Application Management TAB.
2. From Application Management page, click Specify Quota templates from Site Collection
3. Select Create new quota template option
4. Give the Name for the new Quota.
5. Set Maximum storage limit and warning message limit and click ok
Set Quota Template to Site Collection
1. From Application Management page, click Configure quotas and locks from Site Collection
2. Select the Quota that we just created. Please make sure you have selected your site collection from the First drop down (Site Collection section)
3. I have selected the Quota Template that we just created and clicked OK
You have done with attaching a site collection to the quota template.