lkml.org 
[lkml]   [2018]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/3] Provide more fine grained control over multipathing
From
Date

>> We plan to implement all the fancy NVMe standards like ANA, but it
>> seems that there is still a requirement to let the host side choose
>> policies about how to use paths (round-robin vs least queue depth for
>> example). Even in the modern SCSI world with VPD pages and ALUA,
>> there are still knobs that are needed. Maybe NVMe will be different
>> and we can find defaults that work in all cases but I have to admit
>> I'm skeptical...
>
> The sensible thing to do in nvme is to use different paths for
> different queues.

Huh? different paths == different controllers so this sentence can't
be right... you mean that a path selector will select a controller
based on the home node of the local rdma device connecting to it and
the running cpu right?

\
 
 \ /
  Last update: 2018-06-06 11:32    [W:0.059 / U:0.644 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site