On 21/12/16 11:44, Pavel Gashev wrote: > Hello, > > I'd like to introduce a RFE that allows to use a local storage in multi > server environments https://bugzilla.redhat.com/show_bug.cgi?id=1406412 > > Most servers have a local storage. Some servers have very reliable > storages with hardware RAID controllers and battery units. > > Example user cases: > https://www.mail-archive.com/[email protected]/msg36719.html > https://www.mail-archive.com/[email protected]/msg36772.html > > The best way to use local storage in multi server "shared" datacenters > is exporting it over NFS. Using NFS allows to move disks and VMs among > servers. > > In order to improve performance, disk I/O bound VMs can be pinned to > a host with local storage. However there still is a performance > drawback of NFS layers. Treating a local NFS storage as a local storage > improves performance for VMs pinned to host. > > Currently setting up of NFS exports is out of scope of oVirt. However > this would be a way to get rid of "Local/Shared" storage types of > datacenter. So that all storages are shared, but local storages are > used as local. > > Any questions/comments are welcome. > > Specifically I'd like to request for comment on potential data > integrity issues during online VM or disk migration between NFS and > localfs. >
Just let me say that I really like this as an end user. Hope this get's in. This seems less overhead than a complete hyperconverged gluster setup. -- Mit freundlichen Grüßen / Regards Sven Kieske Systemadministrator Mittwald CM Service GmbH & Co. KG Königsberger Straße 6 32339 Espelkamp T: +495772 293100 F: +495772 293333 https://www.mittwald.de Geschäftsführer: Robert Meyer St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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