Re: [DRBD-user] slow sync speed

2018-10-17 Thread Yannis Milios
Just a quick note .. You are correct, it shouldn't be required (v8.9.10) and I was surprised > with that too. > In the DRBD documentation, it is stated that ... "When multiple DRBD resources share a single replication/synchronization network, synchronization with a fixed rate may not be an

Re: [DRBD-user] slow sync speed

2018-10-17 Thread Adam Weremczuk
You are correct, it shouldn't be required (v8.9.10) and I was surprised with that too. Another evidence of the option being honored is  "want: 150,000 k/sec" which I sometimes (not always) see in /proc/drbd On 17/10/18 10:17, Oleksiy Evin wrote: If I'm not wrong, the "syncer" section has been

Re: [DRBD-user] slow sync speed

2018-10-17 Thread Oleksiy Evin
From: Adam Weremczuk To: Robert Altnoeder Cc: drbd-user@lists.linbit.com Subject: Re: [DRBD-user] slow sync speed Date: Wed, 17 Oct 2018 10:05:10 +0100 "Max-buffers 8k" appear to be the sweet spot for me.I'm now getting 145-150 MB/s transfer rates between nodes which I'm happy with

Re: [DRBD-user] slow sync speed

2018-10-17 Thread Adam Weremczuk
"Max-buffers 8k" appear to be the sweet spot for me. I'm now getting 145-150 MB/s transfer rates between nodes which I'm happy with. The biggest problem was I didn't have "syncer" section defined at all. Currently my fully working and behaving config looks like below: global { usage-count no;

Re: [DRBD-user] slow sync speed

2018-10-11 Thread Robert Altnoeder
On 10/11/2018 03:56 PM, Oleksiy Evin wrote: > Try to remove the following: > > c-fill-target 24M; > c-min-rate 80M; > c-max-rate 720M; > > sndbuf-size 1024k; > rcvbuf-size 2048k; > > Then gradually increase max-buffers from 4K to 12K checking its impact > to the sync speed. Make sure you have the

Re: [DRBD-user] slow sync speed

2018-10-11 Thread Oleksiy Evin
32K; >> # max-epoch-size 18K; >> } >> >> disk { >> ... >> c-plan-ahead 0; >> } >> >> You can find some more info here: >> >https://serverfault.com/questions/740311/drbd-terrible-sync-performance-on-10gige/740370 >> >>

Re: [DRBD-user] slow sync speed

2018-10-11 Thread Adam Weremczuk
m/questions/740311/drbd-terrible-sync-performance-on-10gige/740370 //OE -Original Message- *From*: Adam Weremczuk <mailto:adam%20weremczuk%20%3cad...@matrixscience.com%3e>> *To*: drbd-user@lists.linbit.com <mailto:drbd-user@lists.linbit.com> *Subject*: [DRBD-user] slow syn

Re: [DRBD-user] slow sync speed

2018-10-11 Thread Oleksiy Evin
... c-plan-ahead 0; } You can find some more info here: https://serverfault.com/questions/740311/drbd-terrible-sync-performance-on-10gige/740370 //OE -Original Message- From: Adam Weremczuk To: drbd-user@lists.linbit.com Subject: [DRBD-user] slow sync speed Date: Wed,

Re: [DRBD-user] slow sync speed

2018-10-11 Thread Daniel Carrasco
Primary is mounted?. I've got similar behavior on my setup, and just when I've umounted the disk it started to sync very fast. Greetings. El jue., 11 oct. 2018 8:29, Adam Weremczuk escribió: > Hi all, > > I'm trying out DRBD Pacemaker HA Cluster on Proxmox 5.2 > > I have 2 identical servers

[DRBD-user] slow sync speed

2018-10-11 Thread Adam Weremczuk
Hi all, I'm trying out DRBD Pacemaker HA Cluster on Proxmox 5.2 I have 2 identical servers connected with 2 x 1 Gbps links in bond_mode balance-rr. The bond is working fine; I get a transfer rate of 150 MB/s with scp. Following this guide: