Incidentally, I also did find this in the OVIRT logs:

 

MainProcess|jsonrpc/7::DEBUG::2021-09-09 
15:36:32,791::commands::219::root::(execCmd) FAILED: <err> = 'mount.nfs: No 
route to host\n'; <rc> = 32

MainProcess|jsonrpc/7::DEBUG::2021-09-09 
15:36:32,792::logutils::319::root::(_report_stats) ThreadedHandler is ok in the 
last 125 seconds (max pending: 0)

MainProcess|jsonrpc/7::ERROR::2021-09-09 
15:36:32,793::supervdsm_server::103::SuperVdsm.ServerCallback::(wrapper) Error 
in mount

 

Not sure what it means. ‘No route to host’ is not accurate as the host the NFS  
mount is hosted on was completely accessible from a network perspective. Not 
sure if this is relevant or not, but thought I would include it.

 

From: [email protected] (marcel d'heureuse) <[email protected]> 
Sent: Thursday, September 9, 2021 4:49 PM
To: [email protected]; [email protected]
Subject: Re: [ovirt-users] Re: Cannot Start VM After Pausing due to Storage I/O 
Error

 

Moin,

Normally you can use virsh to start vm which are in pause.


https://www.google.com/amp/s/www.cyberciti.biz/faq/linux-list-a-kvm-vm-guest-using-virsh-command/


You have to use saslpasswd2 -a libvirt username to get access on comandline.

It is importand that you Resum that vm on the same host where it was paused.

Good luck...

Br
Marcel

Am 9. September 2021 22:10:52 MESZ schrieb "bob.franzke--- via Users" 
<[email protected] <mailto:[email protected]> >:

OK looking into this further, it seems that I was incorrect about the Gluster 
situation on these hosts. There are three hosts which form a replicated 
arbitrated gluster volume between them. There is a second gluster volume which 
is distributed but only seems to exist on the 4 host (the one the failed VMs 
are running on. I am not sure why this was set up this way. 

After all that I looked closer and realized there is an NFS share which these 
VMs disks are located on. I can access and write to this NFS share from the 
host itself so I am not sure what the story is as to why I cannot get this VM 
to come up. Seems like everything is there for it to do so. The error I get 
when trying to start up the VM is the following:

 <vm-name> has been paused due to storage I/O problem.

How can I determine what this I/O problem actually is? IS the disk file 
corrupted somehow? Both VMs that won;t start are using this NFS share. Others 
that are running also use it so I am  ot sure what the problem here is or where 
to start looking for an answer. Thanks in advance for your help.


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