create_ceph_osd
Create a new Ceph OSD on a device.
This record as markdown: /tools/gethosthewalrus-proxmox-mcp/create-ceph-osd.md
What create_ceph_osd does on Proxmox MCP Server
AI agents use create_ceph_osd to create or update resources in Proxmox MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Proxmox MCP Server environment.
Why create_ceph_osd is rated Medium
Creating a Ceph OSD (Object Storage Daemon) provisions a new storage component in the Ceph cluster, which is a Write operation. However, it is high severity because it modifies low-level storage infrastructure: creating an OSD typically involves formatting/wiping the target device, which could be destructive to existing data on that device.
From the tool's definition 'Create a new Ceph OSD on a device' — creates a new storage daemon/resource
Attacks that exploit this kind of access
The rule that runs create_ceph_osd safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_ceph_osd, this is the rule to start with:
create_ceph_osd stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Proxmox MCP Server, apply this rule, and every create_ceph_osd call is checked against it from then on.
Questions about create_ceph_osd
Create a new Ceph OSD on a device. It is categorised as a Write tool in the Proxmox MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for create_ceph_osd: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Proxmox MCP Server. Nothing to install.
create_ceph_osd is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_ceph_osd rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for create_ceph_osd. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
create_ceph_osd is provided by the Proxmox MCP Server MCP server (gethosthewalrus/proxmox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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