No, ping with MTU size 9000 didn't work.

On Sun, May 24, 2020 at 12:26 PM Khodayar Doustar <dous...@rayanexon.ir>
wrote:

> Does your ping work or not?
>
>
> On Sun, May 24, 2020 at 6:53 AM Amudhan P <amudha...@gmail.com> wrote:
>
>> Yes, I have set setting on the switch side also.
>>
>> On Sat 23 May, 2020, 6:47 PM Khodayar Doustar, <dous...@rayanexon.ir>
>> 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 si...@turka.nl <si...@turka.nl> 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 <amudha...@gmail.com> het
>>>> volgende geschreven:
>>>> >
>>>> > In OSD logs "heartbeat_check: no reply from OSD"
>>>> >
>>>> >> On Sat, May 23, 2020 at 5:44 PM Amudhan P <amudha...@gmail.com>
>>>> 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 <w...@42on.com>
>>>> 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
>>>> >>>> _______________________________________________
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>>>> >>>>
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>>>> >>>
>>>> >>
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>>>
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