[LSF/MM/BPF TOPIC] Implementation of Cross-controller reset/Time-based recovery (CQT) in the linux nvme driver
John Meneghini
jmeneghi at redhat.com
Mon Feb 23 09:35:51 PST 2026
On 2/13/26 8:09 PM, Randy Jennings wrote:
> I'd like to discuss the state of patchsets related to implementing
> Cross-controller Reset and Time-based recovery (CQT) in the linux nvme
> driver for fabrics transports. I expect to present performance test
> results that show the impact on read, read/write, write workloads with
> packet drop and storage controller failover scenarios for different
> levels of implementation (none, CQT only, CCR+CQT, filtering some
> outstanding requests (probably just reads, maybe some admin
> requests)).
>
> Current patchset is:
> https://lore.kernel.org/all/35ae10c9-808a-4882-86dc-311b23c821e5@grimberg.me/
> Although, I expect it will be updated shortly.
I'd like to come to LSF/MM this year and discuss this.
I've agreed to work with Randy as a co-presenter on this topic.
John A. Meneghini
Senior Principal Platform Storage Engineer
RHEL SST - Platform Storage Group
jmeneghi at redhat.com
> Sincerely,
> Randy Jennings
>
More information about the Linux-nvme
mailing list