Hi Chris, I think the next thing to double-check is when the maxMBpS change takes effect. You may need to restart the nsds. Otherwise I think your plan is sound.
Regards, Alex On Mon, Jun 17, 2019 at 9:24 AM Christopher Black <[email protected]> wrote: > Our network team sometimes needs to take down sections of our network for > maintenance. Our systems have dual paths thru pairs of switches, but often > the maintenance will take down one of the two paths leaving all our nsd > servers with half bandwidth. > > Some of our systems are transmitting at a higher rate than can be handled > by half network (2x40Gb hosts with tx of 50Gb+). > > What can we do to gracefully handle network maintenance reducing bandwidth > in half? > > Should we set maxMBpS for affected nodes to a lower value? (default on our > ess appears to be maxMBpS = 30000, would I reduce this to ~4000 for 32Gbps?) > > Any other ideas or comments? > > Our hope is that metadata operations are not affected much and users just > see jobs and processes read or write at a slower rate. > > > > Best, > > Chris > ------------------------------ > This message is for the recipient’s use only, and may contain > confidential, privileged or protected information. Any unauthorized use or > dissemination of this communication is prohibited. If you received this > message in error, please immediately notify the sender and destroy all > copies of this message. The recipient should check this email and any > attachments for the presence of viruses, as we accept no liability for any > damage caused by any virus transmitted by this email. > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss >
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