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@@ -316,18 +316,20 @@ Check the host system logs. It may for instance be due to hardware changes or st
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- UDP 111: rpcbind (optional).
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- UDP 5404-5405: Corosync (internal).
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-## Ceph
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+## Storage
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+
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+### Ceph
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See [Storage: Ceph](/config/linux-server/storage/#ceph) for general notes.
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The notes below are PVE-specific.
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-### Notes
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+#### Notes
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- It's recommended to use a high-bandwidth SAN/management network within the cluster for Ceph traffic.
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It may be the same as used for out-of-band PVE cluster management traffic.
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- When used with PVE, the configuration is stored in the cluster-synchronized PVE config dir.
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-### Setup
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+#### Setup
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1. Setup a shared network.
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- It should be high-bandwidth and isolated.
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@@ -347,4 +349,12 @@ The notes below are PVE-specific.
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- Use at least size 3 and min. size 2 in production.
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- "Add storage" adds the pool to PVE for disk image and container content.
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+### Troubleshooting
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+
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+**"Cannot remove image, a guest with VMID '100' exists!" when trying to remove unused VM disk**:
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+
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+- Make sure it's not mounted to the VM.
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+- Make sure it's not listed as an "unused disk" for the VM.
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+- Run `qm rescan --vmid <vmid>` and check the steps above.
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+
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{% include footer.md %}
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Nordstrand