Re: Ceph Nautius not working after setting MTU 9000

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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
>>
>
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