--- title: "Maintaining a CTERA Edge Filer" slug: "maintaining-a-ctera-edge-filer-3-1-1-1" tags: ["7.12", "Edge Filer", "Gateway", "Filer"] status: "update" updated: 2026-04-09T06:00:22Z published: 2026-04-09T06:00:39Z canonical: "kb.ctera.com/maintaining-a-ctera-edge-filer-3-1-1-1" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.ctera.com/llms.txt > Use this file to discover all available pages before exploring further. # Maintaining a CTERA Edge Filer ## Replacing a Disk ### V Series Edge Filers The edge filer physical disk configuration is created at the hardware level. If there is a problem with a disk, immediately contact the hardware supplier to resolve the issue. ### H Series Edge Filers If a disk needs replacing, immediately contact [CTERA support](https://www.ctera.com/company/contact/). ## Upgrading the H Series Edge Filer ESXi Version To upgrade an H Series edge filer running on an HP platform, download the HPE custom image for ESXi. **Warning** You **cannot** use the following procedure to upgrade the ESXi version of an HC1200 running on an HP ProLiant DL380 G9 server. In this case, contact [CTERA support](https://www.ctera.com/support/). To upgrade an H Series edge filer running on a Dell platform, download the Dell custom image for ESXi. Contact [CTERA support](https://www.ctera.com/support/) for help with the upgrade.