Re: [ceph-users] [SOLVED] output discards (queue drops) on switchport

2017-09-12 Thread Andreas Herrmann
Hi Bairo, On 12.09.2017 00:41, Blair Bethwaite wrote: > On 12 September 2017 at 01:15, Blair Bethwaite > wrote: >> Flow-control may well just mask the real problem. Did your throughput >> improve? Also, does that mean flow-control is on for all ports on the >> switch...? IIUC, then such "global

Re: [ceph-users] [SOLVED] output discards (queue drops) on switchport

2017-09-11 Thread Blair Bethwaite
On 12 September 2017 at 01:15, Blair Bethwaite wrote: > Flow-control may well just mask the real problem. Did your throughput > improve? Also, does that mean flow-control is on for all ports on the > switch...? IIUC, then such "global pause" flow-control will mean switchports > with links to up

Re: [ceph-users] [SOLVED] output discards (queue drops) on switchport

2017-09-11 Thread Blair Bethwaite
Flow-control may well just mask the real problem. Did your throughput improve? Also, does that mean flow-control is on for all ports on the switch...? IIUC, then such "global pause" flow-control will mean switchports with links to upstream network devices will also be paused if the switch is attemp

Re: [ceph-users] [SOLVED] output discards (queue drops) on switchport

2017-09-11 Thread Andreas Herrmann
Hi, flow control was active on the NIC but not on the switch. Enabling flowcontrol for both direction solved the problem: flowcontrol receive on flowcontrol send on PortSend FlowControl Receive FlowControl RxPause TxPause adminoper adminope