On 3/17/21 7:44 AM, Janne Johansson wrote:
Den ons 17 mars 2021 kl 02:04 skrev Tony Liu :
What's the purpose of "cluster" network, simply increasing total
bandwidth or for some isolations?
Not having client traffic (that only occurs on the public network)
fight over bandwidth with OSD<->OSD
Den ons 17 mars 2021 kl 02:04 skrev Tony Liu :
> What's the purpose of "cluster" network, simply increasing total
> bandwidth or for some isolations?
Not having client traffic (that only occurs on the public network)
fight over bandwidth with OSD<->OSD traffic (replication and
recovery).
Now,
Tony
> -Original Message-
> From: Andrew Walker-Brown
> Sent: Tuesday, March 16, 2021 9:18 AM
> To: Tony Liu ; Stefan Kooman ;
> Dave Hall ; ceph-users
> Subject: RE: [ceph-users] Re: Networking Idea/Question
>
> https://docs.ceph.com/en/latest/rados/co
e
Hall<mailto:kdh...@binghamton.edu>; ceph-users<mailto:ceph-users@ceph.io>
Subject: [ceph-users] Re: Networking Idea/Question
> -Original Message-
> From: Stefan Kooman
> Sent: Tuesday, March 16, 2021 4:10 AM
> To: Dave Hall ; ceph-users
> Subject: [ceph-users] Re: Ne
> -Original Message-
> From: Stefan Kooman
> Sent: Tuesday, March 16, 2021 4:10 AM
> To: Dave Hall ; ceph-users
> Subject: [ceph-users] Re: Networking Idea/Question
>
> On 3/15/21 5:34 PM, Dave Hall wrote:
> > Hello,
> >
> > If anybody out there
On 3/15/21 5:34 PM, Dave Hall wrote:
Hello,
If anybody out there has tried this or thought about it, I'd like to
know...
I've been thinking about ways to squeeze as much performance as possible
from the NICs on a Ceph OSD node. The nodes in our cluster (6 x OSD, 3
x MGR/MON/MDS/RGW)
Burkhard,
I woke up with the same conclusion - LACP load balancing can break down
when the traffic traverses a router since the IP headers have the router as
the destination address and thus the Ethernet header has the same to MAC
addresses.
(I think that in a pure layer 2 fabric the MAC
Hi,
On 16.03.21 03:40, Dave Hall wrote:
Andrew,
I agree that the choice of hash function is important for LACP. My
thinking has always been to stay down in layers 2 and 3. With enough
hosts it seems likely that traffic would be split close to evenly.
Heads or tails - 50% of the time
Andrew,
I agree that the choice of hash function is important for LACP. My
thinking has always been to stay down in layers 2 and 3. With enough
hosts it seems likely that traffic would be split close to evenly.
Heads or tails - 50% of the time you're right. TCP ports should also be
nearly
Dave
That’s the way our cluster is setup. It’s relatively small, 5 hosts, 12 osd’s.
Each host has 2x10G with LACP to the switches. We’ve vlan’d public/private
networks.
Making best use of the LACP lag will to a greater extent be down to choosing
the best hashing policy. At the moment
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