[PVE-User] replication bandwith limit not respected

[Stefan Radman]

Hi Tonči

> Now, two hosts are directly connected with optical patch cable (peer-to-peer) .. 10G

Then you should configure jumbo frames (e.g. MTU 9000) on those two interfaces.

Stefan

> On Sep 9, 2024, at 10:40, Tonči Stipičević <tonci at suma-informatika.hr> wrote:
> 
> Hello,
> 
> this was just FYI ..  I was just about to upgrade NICs to 10G , but before I had to "rearrange" my VMs around my cluster and that is why I lowered BW down to 80MBs
> 
> No, I  did not measured/tested the speed, haven't gone that deep, and this info was from network GUI graph ... it was saturated at 1Gbs
> 
> Anyway , I remember that custom replication bandwith adjustment was always followed by corresponding GUI network graph presentation ... but like you said , maybe this lowering was to small to reflect to the network GUI graph
> 
> Pretty soon I'll test it again (with 10G cards)  and write back the results      Now, two hosts are directly connected with optical patch cable (peer-to-peer) .. 10G
> 
>    ...srdačan pozdrav / best regards
> 
> Tonči Stipičević, dipl. ing. elektr.
> direktor / manager
> 
> SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263
> 
> Podrška / Upravljanje IT sustavima za male i srednje tvrtke
> Small & Medium Business IT Support / Management
> 
> mob: 091 1234003
> www.suma-informatika.hr
> 
> 06. 09. 2024. u 19:29, pve-user-request at lists.proxmox.com piše:
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>>    1. replication bandwith limit not respected (Ton?i Stipi?evi?)
>>    2. Re: replication bandwith limit not respected (Stefan Nehlsen)
>>    3. Re: replication bandwith limit not respected (Stefan Radman)
>>    4. Re: replication bandwith limit not respected (Stefan Radman)
>>    5. Re: 8.2-1 ISO doesn't boot via UEFI on usb (Bryan Fields)
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>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Fri, 6 Sep 2024 15:00:57 +0200
>> From: Ton?i Stipi?evi? <tonci at suma-informatika.hr>
>> To: PVE User List <pve-user at pve.proxmox.com>
>> Subject: [PVE-User] replication bandwith limit not respected
>> Message-ID: <3ee95219-6894-4ff6-a89c-9e4a8d81b74d at suma-informatika.hr>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>> 
>> Hello,
>> 
>> I'm running latest cluster (community support)
>> 
>> And today I've lowered replication speed down to 80MB/s? but replcation
>> still uses whole NIC bandwith (1G)? ... after few host restarts? still
>> the same
>> 
>> 2024-09-06 14:37:31 using a bandwidth limit of 80000000 bytes per second
>> for transferring 'data2:subvol-1007-disk-0'
>> 
>> Does somebody else experience that too ?
>> 
>> 
>> Thank you in advance
>> 
>> BR
>> 
>> Ton?i
>> 
> 
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