[ovirt-users] underscode at end of mount point (was: Problems with installing second host with hosted engine)

[Yedidyah Bar David]

----- Original Message -----
> From: "Tigran Baluyan" <tbaluyan at gmail.com>
> To: users at ovirt.org
> Sent: Tuesday, May 5, 2015 10:54:10 AM
> Subject: [ovirt-users] Problems with installing second host with hosted	engine
> 
> Hi,
> 
> I've stumbled across a very strange bug and been trying to work around it for
> a couple of days with no luck.
> 
> So my setup is:
> Host 1: centos 6.6 with ovirt 3.5 deployed as hosted engine. Had a few
> problems while deploying it, but eventually got it up and running.
> 
> Host 2: same centos 6.6, same hardware. While executing hosted-engine
> --deploy, I am getting this error:
> 
> [ INFO ] Stage: Setup validation
> [WARNING] Host name hyp-A2 has no domain suffix
> [WARNING] Failed to resolve hyp-A2 using DNS, it can be resolved only locally
> [ ERROR ] Failed to execute stage 'Setup validation': [Errno 2] No such file
> or directory:
> '/rhev/data-center/mnt/192.168.1.59:_media_ssd__raid10_ovirt_data__fast/f617dfce-4ac8-495b-a0f3-4f85ce39df27/ha_agent/hosted-engine.metadata'
> 
> My storage machine is a separate host running RHEL 6.4. /etc/exports looks
> like this:
> 
> /media/ssd_raid10/ *(rw,sync,all_squash)
> /media/ssd_raid10/ovirt
> *(rw,sync,no_subtree_check,anonuid=36,anongid=36,all_squash)
> *some other shares*
> 
> Now here is the strange part: after repeatedly bashing my head against the
> wall I finally noticed the difference: on the first host it mounts as:
> 
> 
> 192.168.1.59:/media/ssd_raid10/ovirt/data_fast on
> /rhev/data-center/mnt/192.168.1.59:_media_ssd__raid10_ovirt_data__fast_
> 
> While on the second host it mounts as:
> 
> 192.168.1.59:/media/ssd_raid10/ovirt/data_fast on
> /rhev/data-center/mnt/192.168.1.59:_media_ssd__raid10_ovirt_data__fast
> 
> (note the lack of underscore in the end)
> 
> That is what caused the problem - this "hosted-engine.metadata" file is
> actually a symlink. And because of different mount points on the second host
> it was pointing to nowhere.
> 
> So I figured, maybe I should add / to the end of the nfs path. So I tried it
> like this:
> 
> Please specify the storage you would like to use (iscsi, nfs3, nfs4)[nfs3]:
> Please specify the full shared storage connection path to use (example:
> host:/path): 192.168.1.59:/media/ssd_raid10/ovirt/data_fast/
> [ INFO ] Installing on first host
> Please provide storage domain name. [hosted_storage]:
> 
> As you can see, in this case it doesn't detect that it already has a hosted
> engine installed.
> 
> So, I'm out of ideas how to make it work. There is clearly something unstable
> in the installation scripts, but does anyone have any idea how to make it
> work?

Changing the subject and adding Allon.

Please post relevant vdsm logs.

Thanks!
-- 
Didi