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Specify /tmp/balena|resin directories as necessary

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See: https://forums.balena.io/t/rm-cant-remove-tmp-balena-resource-busy/367888/5
Change-type: patch
Signed-off-by: Christina Ying Wang <christina@balena.io>
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Christina Ying Wang 2024-11-29 15:05:06 -05:00
parent 4f1f83603b
commit dc740a159b
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docs/update-locking.md
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@ -17,6 +17,8 @@ On devices running Supervisor v13.1.0 or newer, the Supervisor creates lockfiles
### Location of the lockfile
__Note:__ Trying to remove `/tmp/balena` or legacy `/tmp/resin` directories will result in a `resource busy` error.
On devices running Supervisor v7.22.0 and higher, the lockfile is located at `/tmp/balena/updates.lock`. This lock is cleared automatically when the device reboots, so the user app must take it every time it starts up.
On older devices (with v4.0.0 <= Supervisor version < v7.22.0), the lock is located at `/tmp/resin/resin-updates.lock`. The latest Supervisor versions still take the lock at this legacy path for backwards compatibility.