virtio-scsi and RHEL 7

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Hi! I am a software engineer at Red Hat, and the main author of virtio-scsi, the next generation storage interface for KVM.  virtio-scsi is included in Red Hat Enterprise Linux 6.3 as technology preview, and will be fully supported (except for Windows drivers) starting from 6.4.  We just posted a whitepaper on virtio-scsi on redhat.com's Resource Library.

 

Please reply to this discussion with any questions you may have on virtio-scsi and---of course---ideas about it for RHEL7. I'll do my best to reply on November 14th and 15th!

 

Regards,

 

Paolo Bonzini

PB
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Responses

jo Community Member 25 points
16 November 2012 3:21 AM

Would love to see development of drivers for Solaris10 -

 

We have a real need to have Legacy Solaris10 systems fully supported in RHEL7/KVM.

 

 

-Joel

 

http://gplus.to/aenertia

@aenertia

http://linkedin.com/in/aenertia

PB Red Hat Active Contributor 115 points
16 November 2012 5:07 PM

Hi Joel, I forwarded your request to Product Management. That's all I can do, I guess. :)

 

Do you know if virtio-blk drivers for Solaris are available (both in general and for Solaris 10)? I guess virtio-scsi is too now, though writing a driver for it should actually be easier than for virtio-blk.

 

Paolo

BK Active Contributor 202 points
20 December 2012 3:48 AM

I'd like to see the virt-manager interface allow us to reorder the drives. Right now it can be done in the gui but you have to delete each drive and then add them again. For windows this sucks. Especially for which drive is to be booted.

 

BK

Ryan Sawhill's picture Red Hat Guru 3719 points
20 December 2012 5:17 AM

This can also be done by manually editing the xml for a vm, e.g.

virsh edit myvm

...but I absolutely agree that this is something virt-manager needs. I suspect you and I are not the only ones that want this. I wouldn't be surprised if there's already an RFE for it.

BK Active Contributor 202 points
20 December 2012 6:05 AM

Thanks Ryan, yes, I love dumpxml and how the system makes it SOOOOoooooo easy to back configs up via it's ideal engineering (as far as I see :).

 

It's the gui my employee and I hope to use when we're not automating things that has a few short falls (ALL can be worked around, but we're polishing here :).

Next I'll see if I can find the delayed boot option request. If it's missing I'll put in a request for that one!

BK

DW Community Member 36 points
17 October 2018 9:15 PM

Just as an update to this. I worked recently to coordinate a document change within Openstack and Ceph teams to document virtio-scsi as the default standard for Openstack. There are many advantages to virtio-scsi in Openstack with Ceph including performance and the trimming capability. Hopefully soon to be available in the RHOSP documentation. Right now, it is an internal RFE. The Ceph 125 class already recommends it for Openstack but the Openstack documentation had not picked it up.

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