[ovirt-users] Multiple Data Storage Domains

[Maor Lipchuk]

Hi Gary,

Do you have other disks on this storage domain?
Have you tried to use other VMs with disks on this storage domain?
Is this disk is preallocated? If not can you try to create a pre-allocate
disk and re-try

Regards,
Maor



On Sat, Nov 5, 2016 at 2:28 AM, Gary Pedretty <gary at ravnalaska.net> wrote:

> I am having an issue in a Hosted Engine GlusterFS setup.   I have 4 hosts
> in a cluster, with the Engined being hosted on the Cluster.  This follows
> the pattern shown in the docs for a glusterized setup, except that I have 4
> hosts.   I have engine, data, iso and export storage domains all as
> glusterfs on a replica 3 glusterfs on the first 3 hosts.  These gluster
> volumes are running on an SSD Hardware Raid 6, which is identical on all
> the hosts.  All the hosts have a second Raid 6 Array with Physical Hard
> Drives and I have created a second data storage domain as a glusterfs
> across all 4 hosts as a stripe 2 replica 2 and have added it to the Data
> Center.  However if I use this second Storage Domain as the boot disk for a
> VM, or as second disk for a VM that is already running, the VM will become
> non-responsive as soon as the VM starts using this disk.   Happens during
> the OS install if the VM is using this storage domain for its boot disk, or
> if I try copying anything large to it when it is a second disk for a VM
> that has its boot drive on the Master Data Storage Domain.
>
> If I mount the gluster volume that is this second storage domain on one of
> the hosts directly or any other machine on my local network, the gluster
> volume works fine.  It is only when it is used as a storage domain (second
> data domain) on VMs in the cluster.
>
> Once the vm becomes non-responsive it cannot be stopped, removed or
> destroyed without restarting the host machine that the VM is currently
> running on.   The 4 hosts are connected via 10gig ethernet, so should not
> be a network issue.
>
>
> Any ideas?
>
> Gary
>
> ------------------------------------------------------------------------
> Gary Pedretty                                        gary at ravnalaska.net
> <gary at eraalaska.net>
> Systems Manager                                          www.flyravn.com
> Ravn Alaska                           /\                    907-450-7251
> 5245 Airport Industrial Road         /  \/\             907-450-7238 fax
> Fairbanks, Alaska  99709        /\  /    \ \ Second greatest commandment
> Serving All of Alaska          /  \/  /\  \ \/\   “Love your neighbor as
> Really loving the record green up date! Summmer!!   yourself” Matt 22:39
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