[Gluster-devel] Status update on "Hyperconverged Gluster oVirt support"

Gobinda Das godas at redhat.com
Fri Sep 28 15:42:09 UTC 2018

Hi All,
 Status update on "Hyperconverged Gluster oVirt support"

Features Completed:

  1- Asymmetric brick configuration.Brick can be configured per host basis
i.e. If the user wanted to make use of sdb from host1, sdc from host2, and
sdd from host3.
  2- Dedupe and Compression integration via VDO support (see
https://github.com/dm-vdo/kvdo). Gluster bricks are created on vdo devices
  3- LVM cache configuration support (Configure cache by using fast block
device such as SSD drive to imrove the performance of a larger and slower
logical volumes)
  4- Auto addition of 2nd and 3rd hosts in a 3 node setup during deployment
  5- Auto creation of storage domains based on gluster volumes created
during setup
  6- Single node deployment support via Cockpit UI. For details on single
node deployment -
  7- Gluster Management Dashboard (Dashboard will show the nodes in
cluster,Volumes and bricks. User can expand the cluster and also can create
new volume in existing cluster nodes )

  1- Reset brick support from UI to allow users to replace a faulty brick
  2- Create brick from engine now supports configuring an SSD device as
lvmcache device when bricks are created on spinning disks
  3- VDO monitoring

 Enhancements to performance with fuse by 15x
 1. Cluster after eager lock change for better detection of multiple clients
 2. Changing qemu option aio to "native" instead of "threads".

 end-to-end deployment:
 1- End to end deployment of a Gluster + Ovirt hyperconverged environment
using ansible roles (
https://github.com/gluster/gluster-ansible/tree/master/playbooks ). The
only pre-requisite is a CentOS node/oVirt node

Future Plan:

  1- ansible-roles integration for deployment
  2- Support for different volume types

  1- Python3 compatibility of vdsm-gluster
  2- Native 4K support

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