Re: mount cephfs with autofs

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Thanks for these I was missing the x-systemd. entries. I assume these 
are necessary so booting does not 'hang' on trying to mount these? I 
thought the _netdev was for this and sufficient?





-----Original Message-----
To: Derrick Lin
Cc: ceph-users
Subject:  Re: mount cephfs with autofs

Hi,

With CentOS 7.8 you can use the systemd autofs options in /etc/fstab.
Here are two examples from our clusters, first with fuse and second
with kernel:

none /cephfs fuse.ceph
ceph.id=admin,ceph.conf=/etc/ceph/dwight.conf,ceph.client_mountpoint=/,x
-systemd.device-timeout=30,x-systemd.mount-timeout=30,noatime,_netdev,no
auto,x-systemd.automount,x-systemd.idle-timeout=30,ro
0 2

cephflax.cern.ch:6789:/ /cephfs2 ceph
name=admin,secretfile=/etc/ceph/flax.admin.secret,x-systemd.device-timeo
ut=30,x-systemd.mount-timeout=30,noatime,_netdev,noauto,x-systemd.automo
unt,x-systemd.idle-timeout=30,ro
0 2

Cheers, Dan

On Mon, Jun 15, 2020 at 9:27 AM Derrick Lin <klin938@xxxxxxxxx> wrote:
>
> Hi guys,
>
> I can mount my cephfs via mount command and access it without any 
problem.
>
> Now I want to integrate it in autofs which is used on our cluster.
>
> It seems this is not a popular approach and I found only this link:
>
> https://drupal.star.bnl.gov/STAR/blog/mpoat/how-mount-cephfs
>
> I followed the link but could not get it to work. I am wondering if 
this is
> possible at all?
>
> We are using CentOS 7.8 and the ceph cluster is running nautilus 
14.2.9
>
> Regards,
> Derrick
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