Ping with 9000 MTU won't get response as I said and it should be 8972. Glad it is working but you should know what happened to avoid this issue later. On Sun, May 24, 2020, 3:04 AM Amudhan P <amudhan83@xxxxxxxxx> wrote: > No, ping with MTU size 9000 didn't work. > > On Sun, May 24, 2020 at 12:26 PM Khodayar Doustar <doustar@xxxxxxxxxxxx> > wrote: > > > Does your ping work or not? > > > > > > On Sun, May 24, 2020 at 6:53 AM Amudhan P <amudhan83@xxxxxxxxx> wrote: > > > >> Yes, I have set setting on the switch side also. > >> > >> On Sat 23 May, 2020, 6:47 PM Khodayar Doustar, <doustar@xxxxxxxxxxxx> > >> wrote: > >> > >>> Problem should be with network. When you change MTU it should be > changed > >>> all over the network, any single hup on your network should speak and > >>> accept 9000 MTU packets. you can check it on your hosts with "ifconfig" > >>> command and there is also equivalent commands for other > network/security > >>> devices. > >>> > >>> If you have just one node which it not correctly configured for MTU > 9000 > >>> it wouldn't work. > >>> > >>> On Sat, May 23, 2020 at 2:30 PM sinan@xxxxxxxx <sinan@xxxxxxxx> wrote: > >>> > >>>> 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 > >>>> > >>> > _______________________________________________ > 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