[systemd-devel] Local mount as a remote-fs?

[Andrey Klimentyev]

Yup, thanks a lot, it did work.

On 4 December 2017 at 14:39, Silvio Knizek <killermoehre at gmx.net> wrote:

> Am Montag, den 04.12.2017, 14:25 +0300 schrieb Andrey Klimentyev:
> > Hi,
> >
> > Is it possible to register local mount as a remote-fs?
> >
> > I've got a rather peculiar problem with Kubernetes and Ceph:
> > 1. kubelet creates an rbd device in /dev;
> > 2. it mounts it to some location;
> > 3. systemd adds local-fs.target and local-fs-pre.target to  Before=
> > and
> > After= directives on auto-created .mount Units.
> >
> > Unfortunately, with that approach thing get rather messy on shutdown.
> > Ceph
> > RBD kernel client detects network outage (since we've already
> > disabled the
> > network) and stops all I/O to those filesystems, while systemd
> > actively
> > tries to umount them. systemd depends on umounting those filesystems,
> > and
> > Ceph depends on an online network to properly finish all I/O and
> > unmount
> > them, thus creating a kind of a deadlock.
>
> Hi,
>
> use the mount option »_netdev«, which declares a device as dependent on
> network. See »man mount« for more information.
>
> BR
> Silvio
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-- 
Andrey Klimentyev,
DevOps engineer @ JSC «Flant»
http://flant.com/ <http://flant.ru/>
+7 (495) 721-10-27, ext. 487
+7 (960) 180-38-98
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