I've got 5 of them doing the same thing...not even a warm room. Used the same config snippet to debloat logs. All SFP-based, but only have 2 x XFP and a single SFP populated currently. Yanked the fan tray to test traps, and the thing shut down completely in less than 15mins.
David On 5 April 2011 10:00, Serge Vautour <[email protected]> wrote: > Hello, > > We've ran into this problem as well with our MX80s. I have 1 that isn't doing > this but it's in an extremely cold room. The 2 others are doing the same > thing. > I swapped them to make sure it wasn't related to a particular box and it > isn't. > It seems the MX80s run extremely hot and this is with no load. I'm worried of > what will happen when we start to load them with 40 optics. > > For now, I just added a config to stop all these entries from filling up the > logs: > > file messages { > any info; > authorization info; > match "!(.*CHASSISD_BLOWERS_SPEED.*)"; > explicit-priority; > } > > Serge > > > > > ----- Original Message ---- > From: Bill Blackford <[email protected]> > To: [email protected] > Sent: Tue, April 5, 2011 12:12:33 PM > Subject: [j-nsp] MX80-48T Fan Speed Variation > > MX80-48T > 10.2R3.10 > > > I see this in the logs: > > Apr 5 07:38:54 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED_MEDIUM: > Fans and impellers being set to intermediate speed > Apr 5 07:39:34 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED: Fans and > impellers are now running at normal speed > Apr 5 07:40:14 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED_MEDIUM: > Fans and impellers being set to intermediate speed > Apr 5 07:40:34 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED: Fans and > impellers are now running at normal speed > Apr 5 07:41:14 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED_MEDIUM: > Fans and impellers being set to intermediate speed > Apr 5 07:41:54 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED: Fans and > impellers are now running at normal speed > Apr 5 07:42:34 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED_MEDIUM: > Fans and impellers being set to intermediate speed > Apr 5 07:42:54 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED: Fans and > impellers are now running at normal speed > Apr 5 07:43:14 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED_MEDIUM: > Fans and impellers being set to intermediate speed > Apr 5 07:43:34 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED: Fans and > impellers are now running at normal speed > Apr 5 07:44:14 mx80 chassisd[1098]: CHASSISD_BLOWERS_SPEED_MEDIUM: > Fans and impellers being set to intermediate speed > > > So I did some digging: > > > me@mx80> show chassis fan > Item Status RPM Measurement > Fan 1 OK 4260 Spinning at normal speed > Fan 2 OK 4200 Spinning at normal speed > Fan 3 OK 4200 Spinning at normal speed > Fan 4 OK 4200 Spinning at normal speed > Fan 5 OK 4260 Spinning at normal speed > > me@mx80> show chassis fan > Item Status RPM Measurement > Fan 1 OK 5220 Spinning at intermediate-speed > Fan 2 OK 5100 Spinning at intermediate-speed > Fan 3 OK 5100 Spinning at intermediate-speed > Fan 4 OK 5100 Spinning at intermediate-speed > Fan 5 OK 5160 Spinning at intermediate-speed > > > me@mx80> show chassis environment > Class Item Status Measurement > Temp PEM 0 OK > PEM 1 OK > RE 0 Intake OK 34 degrees C / 93 degrees F > RE 0 Front Exhaust OK 37 degrees C / 98 degrees F > RE 0 Rear Exhaust OK 33 degrees C / 91 degrees F > Routing Engine OK 34 degrees C / 93 degrees F > Routing Engine CPU OK 54 degrees C / 129 degrees F > TFEB 0 LU 0 TSen OK 37 degrees C / 98 degrees F > TFEB 0 LU 0 Chip OK 54 degrees C / 129 degrees F > TFEB 0 MQ 0 TSen OK 37 degrees C / 98 degrees F > TFEB 0 MQ 0 Chip OK 44 degrees C / 111 degrees F > TFEB 0 TBB PFE TSen OK 42 degrees C / 107 degrees F > TFEB 0 TBB PFE Chip OK 55 degrees C / 131 degrees F > TFEB 0 TFEB PCIE TSen OK 38 degrees C / 100 degrees F > TFEB 0 TFEB PCIE Chip OK 55 degrees C / 131 degrees F > Fans Fan 1 OK Spinning at intermediate-speed > Fan 2 OK Spinning at intermediate-speed > Fan 3 OK Spinning at intermediate-speed > Fan 4 OK Spinning at intermediate-speed > Fan 5 OK Spinning at intermediate-speed > > me@mx80> show chassis environment > Class Item Status Measurement > Temp PEM 0 OK > PEM 1 OK > RE 0 Intake OK 33 degrees C / 91 degrees F > RE 0 Front Exhaust OK 37 degrees C / 98 degrees F > RE 0 Rear Exhaust OK 33 degrees C / 91 degrees F > Routing Engine OK 33 degrees C / 91 degrees F > Routing Engine CPU OK 53 degrees C / 127 degrees F > TFEB 0 LU 0 TSen OK 37 degrees C / 98 degrees F > TFEB 0 LU 0 Chip OK 54 degrees C / 129 degrees F > TFEB 0 MQ 0 TSen OK 37 degrees C / 98 degrees F > TFEB 0 MQ 0 Chip OK 44 degrees C / 111 degrees F > TFEB 0 TBB PFE TSen OK 42 degrees C / 107 degrees F > TFEB 0 TBB PFE Chip OK 55 degrees C / 131 degrees F > TFEB 0 TFEB PCIE TSen OK 38 degrees C / 100 degrees F > TFEB 0 TFEB PCIE Chip OK 55 degrees C / 131 degrees F > Fans Fan 1 OK Spinning at normal speed > Fan 2 OK Spinning at normal speed > Fan 3 OK Spinning at normal speed > Fan 4 OK Spinning at normal speed > Fan 5 OK Spinning at normal speed > > > > I see no alarms but I'm concerned that shifting up and down will > stress the fans. > > any thoughts? Is this typical? > > Thanks, > > -b > > -- > Bill Blackford > Network Engineer > > Logged into reality and abusing my sudo privileges..... > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
