[ceph-users] Re: Network design issues

2021-02-23 Thread Stefan Kooman
On 2/21/21 9:51 AM, Frank Schilder wrote: Hi Stefan, thanks for the additional info. Dell will put me in touch with their deployment team soonish and then I can ask about matching abilities. It turns out that the problem I observed might have a much more profane reason. I saw really long peri

[ceph-users] Re: Network design issues

2021-02-21 Thread Frank Schilder
er Cc: ceph-users@ceph.io Subject: Re: [ceph-users] Re: Network design issues On 2/15/21 5:38 PM, Frank Schilder wrote: > Hi Stefan, > > I think you gave me the right pointers. > > Last summer I was looking up exactly this, how do Dell switches hash > connections onto members of a

[ceph-users] Re: Network design issues

2021-02-15 Thread Stefan Kooman
On 2/15/21 5:38 PM, Frank Schilder wrote: Hi Stefan, I think you gave me the right pointers. Last summer I was looking up exactly this, how do Dell switches hash connections onto members of a LAG. What I found was, that the only option was by MAC. I did a test with iperf using several connect

[ceph-users] Re: Network design issues

2021-02-15 Thread Frank Schilder
__ From: Frank Schilder Sent: 12 February 2021 18:59:23 To: Stefan Kooman Cc: ceph-users@ceph.io Subject: [ceph-users] Re: Network design issues By the way, thanks for reminding me of bmon! Of course. I have a decent collection of live monitoring tools installed and bmon was one of th

[ceph-users] Re: Network design issues

2021-02-12 Thread Frank Schilder
By the way, thanks for reminding me of bmon! Of course. I have a decent collection of live monitoring tools installed and bmon was one of the first. How could I forget? Another tool I became good friends with is atop. It gives a really good overview of the entire system, including network, disk

[ceph-users] Re: Network design issues

2021-02-12 Thread Frank Schilder
Hi Stefan, OK, I added the ceph-users again :) Thanks for your reply, this is a lot of useful pointers. Yes, its Dell EMC switches running OS9 and I believe they support per-VLAN bandwidth reservations. It would be the easiest to configure and test. At the moment, I always see the slow ping ti