[DRBD-user] DRBD 9: 3-node mirror error (Low.dev. smaller than requested DRBD-dev. size.)

2019-07-26 Thread Paul Clements
> My guess what's happening here is this: > Either the local node or some remote node that it can still successfully > connect to while initializing the local DRBD was either not stopped, or > the DRBD kernel module on it did not stop the resource successfully. > Therefore, some node still had siz

Re: [DRBD-user] DRBD 9: 3-node mirror error (Low.dev. smaller than requested DRBD-dev. size.)

2019-07-26 Thread Robert Altnoeder
It seems that some of the size values have changed compared to the original problem report: On 7/25/19 5:59 PM, Paul Clements wrote: > ~]# size_gb=71680 > [root@sios0 ~]# lvcreate -n $LV -L ${size_gb} $VG > Logical volume "my_lv" created. > [root@sios0 ~]# lvs > LVVGAttr LSize

Re: [DRBD-user] Slow DRBD since Kernel 5 (PVE Kernel)

2019-07-26 Thread Alexander Karamanlidis
Hi GIanni, we get around 20Gbit/s over iperf with Kernel 5 with the untuned iperf command. Sorry, that i didn't mention that. Network seems to be completly fine. We don't have any packet drops or similar too. Thanks, Alex Am 26.07.19 um 11:50 schrieb Gianni Milo: > Hi Alexander, > > Do you get

Re: [DRBD-user] Slow DRBD since Kernel 5 (PVE Kernel)

2019-07-26 Thread Gianni Milo
Hi Alexander, Do you get same behaviour when using other tools like iperf for example ? if so, then this might be not related to the DRBD itself, but due to ethernet drivers issues for example.. Gianni On Thu, 25 Jul 2019 at 13:26, Alexander Karamanlidis < alexander.karamanli...@lindenbaum.eu

Re: [DRBD-user] Slow DRBD since Kernel 5 (PVE Kernel)

2019-07-26 Thread Alexander Karamanlidis
Hi, just to give some more information an lshw from the Servers: https://pastebin.com/3E7N898R Thanks in advance, Alex Am 25.07.19 um 14:18 schrieb Alexander Karamanlidis: > Hi everyone, > > > so we upgraded to PVE6 (Proxmox VE 6) about a week ago to test it. > > Since then our DRBD resource go