[Bugs] [Bug 1452766] VM crashing but there's no apparent reason

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1452766



--- Comment #1 from Alessandro Briosi <ab1 at metalitnord.com> ---
this is a brief description of my setup.

3 dell servers with RAID 10 SAS Disks
each server has 2 bonded 1Gbps ethernets dedicated to gluster (2 dedicated to
the proxmox cluster and 2 for comunication with the hosts on the LAN) (each on
it's VLAN in the switch)
Also jumbo frames are enabled on ethernets and switches.

each server is a proxmox host which has gluster installed and configured as
server and client.

The RAID has a LVM thin provisioned which is divided into 3 bricks (2 big for
the data and 1 small for the arbiter).
each Thin LVM is XFS formatted and mounted as brick.
There are 3 volumes configured which replicate 3 with arbiter (so 2 really
holding the data).
Volumes are:
datastore1: data on srv1 and srv2, arbiter srv3
datastore2: data on srv2 and srv3, arbiter srv1
datastore3: data on srv1 and srv3, arbiter srv2

On each datastore basically there is a main VM (plus some others which though
are not so important). (3 VM are mainly important)

datastore1 was converted from 2 replica to 3 replica with arbiter, the other 2
were created as described.

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