https://bugzilla.mindrot.org/show_bug.cgi?id=1942
Bug #: 1942
Summary: mounting home directory with sshfs -o reconnect
requires patch for ssh
Classification: Unclassified
Product: Portable OpenSSH
Version: 5.8p1
Platform: All
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P2
Component: ssh
AssignedTo: unassigned-b...@mindrot.org
ReportedBy: e.kuemme...@fz-juelich.de
Created attachment 2097
--> https://bugzilla.mindrot.org/attachment.cgi?id=2097
Patch to add the option "-H path_to_per-user_configdir" to ssh
Hi,
we are using sshfs to mount the home directories via pam_mount, the
server is listed in /etc/ssh/ssh_known_hosts.
The problem is, that ssh always wants to read the directory ~/.ssh.
When the initial connection is established, the ssh process creates the
.ssh directory in the empty mount point directory. That doesn't harm
because sshfs can be forced with the nonempty option to mount on that
directory even though it is no longer empty.
But if the ssh connection to the server breaks and sshfs starts a new
ssh process to reconnect, ssh hangs in an uninterruptible sleep
(process state = D) when it tries to read ~/.ssh because the mounted
home directory is not available...
To overcome this deadlock, I patched ssh:
I added an new option "-H path_to_per-user_configdir" that allows to
use path_to_per-user_configdir/.ssh instead of ~/.ssh.
We use now "-H /dev/null". ssh then warns "Could not create directory
'/dev/null/.ssh'.", but the sshfs mount works properly, including the
reconnect feature.
IMHO that patch could also help other people, so I suggest to integrate
it in the openssh sources.
Thank you,
Eberhard
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