Can the servers/nodes ping eachother using large packet sizes? I guess not. Sinan Polat > Op 23 mei 2020 om 14:21 heeft Amudhan P <amudhan83@xxxxxxxxx> het volgende geschreven: > > In OSD logs "heartbeat_check: no reply from OSD" > >> On Sat, May 23, 2020 at 5:44 PM Amudhan P <amudhan83@xxxxxxxxx> wrote: >> >> Hi, >> >> I have set Network switch with MTU size 9000 and also in my netplan >> configuration. >> >> What else needs to be checked? >> >> >>> On Sat, May 23, 2020 at 3:39 PM Wido den Hollander <wido@xxxxxxxx> wrote: >>> >>> >>> >>>> On 5/23/20 12:02 PM, Amudhan P wrote: >>>> Hi, >>>> >>>> I am using ceph Nautilus in Ubuntu 18.04 working fine wit MTU size 1500 >>>> (default) recently i tried to update MTU size to 9000. >>>> After setting Jumbo frame running ceph -s is timing out. >>> >>> Ceph can run just fine with an MTU of 9000. But there is probably >>> something else wrong on the network which is causing this. >>> >>> Check the Jumbo Frames settings on all the switches as well to make sure >>> they forward all the packets. >>> >>> This is definitely not a Ceph issue. >>> >>> Wido >>> >>>> >>>> regards >>>> Amudhan P >>>> _______________________________________________ >>>> ceph-users mailing list -- ceph-users@xxxxxxx >>>> To unsubscribe send an email to ceph-users-leave@xxxxxxx >>>> >>> _______________________________________________ >>> ceph-users mailing list -- ceph-users@xxxxxxx >>> To unsubscribe send an email to ceph-users-leave@xxxxxxx >>> >> > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx