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ivshmem: add note about device deletion on VM stop

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2019-02-26 08:29:34 +01:00
parent 8861c7ad88
commit 4d1a19eb88
1 changed files with 4 additions and 0 deletions
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qm.adoc
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@ -717,6 +717,10 @@ To add such a device, you can use `qm`:
Where the size is in MiB. The file will be located under
`/dev/shm/pve-shm-$name` (the default name is the vmid).
NOTE: Currently the device will get deleted as soon as any VM using it got
shutdown or stopped. Open connections will still persist, but new connections
to the exact same device cannot be made anymore.
A use case for such a device is the Looking Glass
footnote:[Looking Glass: https://looking-glass.hostfission.com/] project,
which enables high performance, low-latency display mirroring between