Hi Nick,
i'm not sure i fully understand which exact latest changes in NVMe driver your are
talking about =>
assuming you are right and RedHat has not backported some changes yet that you
need.
As well i don't know what performance issues you are taking about.
Brief googling brought me to https://access.redhat.com/solutions/1269473
But there is quite a good workaround and it does not require driver update.
BTW, driver version in RHEL7 kernel (in case you have not checked):
# modinfo nvme
filename:
/lib/modules/3.10.0-327.22.2.vz7.16.2/kernel/drivers/block/nvme.ko
version: 1.0
So, in case you've really checked that you need a new driver (this means - have a test which works on your hardware slow on RHEL7 kernel and works fast on some other kernel
(mainstream?)), well, just try to compile new driver against Virtuozzo 7 kernel - and that's it.
We do not touch NVMe driver in Virtuozzo patchset => our changes should not
prevent the compilation.
Good luck.
--
Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
On 08/24/2016 02:35 AM, Nick Knutov wrote:
As far as I understand - Virtuozzo 7 kernel DOES NOT contain latest NVMe
driver and RHEL 7 kernel has some speed problerms with NVMe.
Are there any official recomendations or suggestions from Openvz team?
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