Re: [ovirt-users] fileserver as a guest oVirt

Hello, just add my 2ct: I did a lot of bench marking for our SAN (FC LUN's). I also need file servers for our SMB Clients. I recommend using Direct Attached LUNs for your purpose and attach them to the VMs as VirtIO-SCSI disks. You can even added them as shareable to oVirt if you deploy some kind of SAN file system (we use Quantum's StorNext). Bottom line, the implementation of VirtIO-SCSI is so well done and support in oVirt is great. I cound not see any bottlenecks in the visualization. For the foreseeable future I will not deploy bare metal file Servers again. HTH, On So, 2014-07-13 at 15:47 +0000, Niklas Fondberg wrote: > > From: Karli Sjöberg <Karli.Sjoberg@slu.se<mailto:Karli.Sjoberg@slu.se>> > Date: Sunday 13 July 2014 14:51 > To: Niklas Fondberg <niklas@vireone.com<mailto:niklas@vireone.com>> > Cc: "users@ovirt.org<mailto:users@ovirt.org>" ><users@ovirt.org<mailto:users@ovirt.org>>, Karli Sjöberg ><Karli.Sjoberg@slu.se<mailto:Karli.Sjoberg@slu.se>> > Subject: Re: [ovirt-users] fileserver as a guest oVirt > > > Den 12 jul 2014 22:49 skrev Niklas Fondberg ><niklas@vireone.com<mailto:niklas@vireone.com>>: > > > > > > > > On 12 jul 2014, at 16:57, "Karli Sjöberg" ><Karli.Sjoberg@slu.se<mailto:Karli.Sjoberg@slu.se>> wrote: > > > >> > >> Den 12 jul 2014 15:45 skrev Niklas Fondberg ><niklas@vireone.com<mailto:niklas@vireone.com>>: > >> > > >> > Hi, > >> > > >> > I'm new to oVirt but I must say I am impressed! > >> > I am running it on a HP DL380 with an external SAS chassi. > >> > Linux dist is Centos 6.5 and oVirt is 3.4 running all-in-one (for >now until we need to have a second host). > >> > > >> > Our company (www.vireone.com) deals with system architecture for >many telco and media operators and is now setting up a small own >datacenter for our internal tests as well as our IT infrastructure. > >> > We are in the process of installing Zentyal for the SMB purposes >on a guest and it would be great to have that guest also serving a fs >path directory with NFS + SMB (which is semi crippled on the host after >oVirt installation with version 3 et.c.). > >> > > >> > Does anyone have an idea of how I can through oVirt (seen several >solutions using virsh and kvm) letting my Zentyal Ubuntu guest have >access to a host mount point or if necessary (second best) a seperate >partition? > >> > > >> > Best regards > >> > Niklas > >> > > >> > >> Why not just give the guest a thin provision virtual hard drive and >expand it on a demand basis? > >> > >> /K > > > > Thanks for the advise but this would not suite us I'm afraid. It >would be difficult wrt incremental backups as well as host machine >file-routines. > > > > > > Well, going by Occam's raizor; the simplest answer is usually correct. >Can't really tell what you mean by file-routines but backups would be >well served by snapshots (can't get more incremental than that) and >disaster recovery could be as easy as a rsync from inside the guest to a >remote machine. > > The biggest pros here is the ease of being able to setup an export >domain, attach, export the VM, detach domain, and then attach and import >to a "real" setup when the AIO starts feeling crowded later on. Thinking >ahead is never a bad thing, no? > > /K > > Thanks for your suggestions! > The thing also is that the performance will be very bad if we have the >25TB SAS array shared for our purposes (lots of media streaming) using a >virtual disk. > What I am after (after more reading) is support for virtio-9p-pci >(http://www.linux-kvm.org/page/9p_virtio) using oVirt. Alternative is >the Direct LUN hook (http://www.ovirt.org/VDSM-Hooks/directlun, if I can >figure out how to work with hooks...) > Any chance anybody has an answer for these questions? > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users -- Daniel Helgenberger m box bewegtbild GmbH P: +49/30/2408781-22 F: +49/30/2408781-10 ACKERSTR. 19 D-10115 BERLIN www.m-box.de www.monkeymen.tv Geschäftsführer: Martin Retschitzegger / Michaela Göllner Handeslregister: Amtsgericht Charlottenburg / HRB 112767