similar to: nvme, spdk and host linux version

On Thu, Dec 12, 2019 at 5:40 AM Michal Privoznik <mprivozn@redhat.com> wrote: > > On 11/27/19 4:12 PM, Mauricio Tavares wrote: > > I have been following the patches on nvme support on the list and was > > wondering: If I wanted to build a vm host to be on the bleeding edge > > for nvme and spdk fun in libvirt, which linux distro -- > > fedora/ubuntu/centos/etc

Considering that the technic of SPDK + QEMU is making progress toward maturity. Personally I'd like to do the integration work. Not sure somebody would mind to give me some clue on that? Because I'm not familiar with libguestfs code structures. Thanks, Bob

On 11/27/19 4:12 PM, Mauricio Tavares wrote: > I have been following the patches on nvme support on the list and was > wondering: If I wanted to build a vm host to be on the bleeding edge > for nvme and spdk fun in libvirt, which linux distro -- > fedora/ubuntu/centos/etc -- should I pick? > For NVMe itself it probably doesn't matter as it doesn't require any special

On 11/27/19 10:12 AM, Mauricio Tavares wrote: > I have been following the patches on nvme support on the list and was > wondering: If I wanted to build a vm host to be on the bleeding edge > for nvme and spdk fun in libvirt, which linux distro -- > fedora/ubuntu/centos/etc -- should I pick? IMO Fedora, most of libvirt is developed by @redhat people so there's plenty of Fedora

Hi All - I use qemu on my centOS 7.7 box that has software raid of 2- SSD disks. I installed an nVME drive in the computer also. I tried to insall CentOS8 on it (the physical /dev/nvme0n1 with the -hda /dev/nvme0n1 as the disk. The process started installing but is really "slow" - I was expecting with the nvme device it would be much quicker. Is there something I am missing how to

>6 hours are too much. First of all you need to check your nvme >performace (dd can help? dd if=/dev/zero of=/test bs=1M count=10000 andd >see results. If you want results more benchmark oriented you could try >bonnie++ as suggested by Jerry). >Other this, have you got kvm module loaded and enabled cpu >virtualization option in the BIOS? >If yes, have you got created the VM

Hello all, and hope all is well Has anyone installed / on an nvme ssd for Cent 7? Would anyone know if that is supported? I have installed using Arch Linux, but at the time, mid last year, had to patch grub to recognize nvme. Arch is obviously running a much more recent kernel. Not afraid todo some empirical leg work. Just asking if anyone had tried already thanks all for any/all help regards

Dne 17.9.2019 v 14:02 Mauricio Tavares napsal(a): > On Tue, Sep 17, 2019 at 7:06 AM Miroslav Geisselreiter <mg at intar.cz> wrote: >> I have brand new PC with this components: >> CPU Intel? Pentium G5400, LGA1151 >> motherboard ASUS PRIME B360M-C >> 16 GB RAM >> HDD 2x ADATA SSD 256GB XPG GAMMIX S11, PCIe Gen3x4 M.2 2280 (RAID1) >> NIC Intel X550-T1

hi guys, I thought I should ask before I start fiddling and break something - can we tell grub2 to add nvme device as an option to boot from? And if yes then what do tell grub? many thanks, L.

On Wed, Jul 18, 2018 at 12:10:30PM +0800, Bob Chen wrote: > Considering that the technic of SPDK + QEMU is making progress toward > maturity. > > Personally I'd like to do the integration work. Not sure somebody would > mind to give me some clue on that? Because I'm not familiar with libguestfs > code structures. If qemu supports SPDK then we should get it "for

On 20/11/2015 09:11, Ming Lin wrote: > On Thu, 2015-11-19 at 11:37 +0100, Paolo Bonzini wrote: >> >> On 18/11/2015 06:47, Ming Lin wrote: >>> @@ -726,7 +798,11 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) >>> } >>> >>> start_sqs = nvme_cq_full(cq) ? 1 : 0; >>> - cq->head = new_head;

On 20/11/2015 09:11, Ming Lin wrote: > On Thu, 2015-11-19 at 11:37 +0100, Paolo Bonzini wrote: >> >> On 18/11/2015 06:47, Ming Lin wrote: >>> @@ -726,7 +798,11 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) >>> } >>> >>> start_sqs = nvme_cq_full(cq) ? 1 : 0; >>> - cq->head = new_head;

When you pass a device in the pci chain (after virsh nodedev-dettach'ing it from host) to the guest, how much is passed without being emulated/abstracted?

On Fri, 2015-09-18 at 14:09 -0700, Nicholas A. Bellinger wrote: > On Fri, 2015-09-18 at 11:12 -0700, Ming Lin wrote: > > On Thu, 2015-09-17 at 17:55 -0700, Nicholas A. Bellinger wrote: > > > On Thu, 2015-09-17 at 16:31 -0700, Ming Lin wrote: > > > > On Wed, 2015-09-16 at 23:10 -0700, Nicholas A. Bellinger wrote: > > > > > Hi Ming & Co, > >

On Fri, 2015-09-18 at 14:09 -0700, Nicholas A. Bellinger wrote: > On Fri, 2015-09-18 at 11:12 -0700, Ming Lin wrote: > > On Thu, 2015-09-17 at 17:55 -0700, Nicholas A. Bellinger wrote: > > > On Thu, 2015-09-17 at 16:31 -0700, Ming Lin wrote: > > > > On Wed, 2015-09-16 at 23:10 -0700, Nicholas A. Bellinger wrote: > > > > > Hi Ming & Co, > >

Hi Rob & Mihai, I wrote vhost-nvme patches on top of Christoph's NVMe target. vhost-nvme still uses mmio. So the guest OS can run unmodified NVMe driver. But the tests I have done didn't show competitive performance compared to virtio-blk/virtio-scsi. The bottleneck is in mmio. Your nvme vendor extension patches reduces greatly the number of MMIO writes. So I'd like to push it

Hi Rob & Mihai, I wrote vhost-nvme patches on top of Christoph's NVMe target. vhost-nvme still uses mmio. So the guest OS can run unmodified NVMe driver. But the tests I have done didn't show competitive performance compared to virtio-blk/virtio-scsi. The bottleneck is in mmio. Your nvme vendor extension patches reduces greatly the number of MMIO writes. So I'd like to push it

Cole Robinson <crobinso@redhat.com> 于2019年10月15日周二 上午1:48写道： > > On 10/14/19 3:12 AM, Li Feng wrote: > > Hi Cole & Michal, > > > > I'm sorry for my late response, I just end my journey today. > > Thank your response, your suggestion is very helpful to me. > > > > I have added Michal in this mail, Michal helps me review my initial patchset.

On Mon, 5 Jul 2021 at 07:15, Hooton, Gerard <g.hooton at ucc.ie> wrote: > > Hi All, > I am having problems with a kickstart install of CentOS 8 > When I try to do a completely automated install using PXE/UEFI it get to the point where it reads the kickstart config file. > Then I see the following message > "kickstart install Started cancel waiting for multipath

Forwarded to centos mailing list -----Original Messages----- From: wuzhouhui <wuzhouhui14 at mails.ucas.ac.cn> Sent Time: 2018-10-30 14:06:00 (Tuesday) To: "storage performance development kit" <spdk at lists.01.org> Cc: centos at centos.org, qemu-discuss at nongnu.org Subject: Re: [SPDK] VM boot failed sometimes if using vhost-user-blk with spdk I enable debug of