[Gluster-users] Peer isolation while healing

ML lists at websiteburo.com
Mon Oct 9 13:29:41 UTC 2017

That make sense ^_^

Unfortunately I haven't kept the interresting data you need.

Basically I had some write errors on my gluster clients when my 
monitoring tool tested mkdir & create files.

The server's load was huge during the healing (cpu at 100%), and the 
disk latency increased a lot.
That may be the source of my write errors, we'll know for sure next 
time... I'll keep & post all the data you asked.

No way on the client side to force the gluster mount on 1 peer ?

Thanks for your help Karthik!


Le 09/10/2017 à 12:10, Karthik Subrahmanya a écrit :
> Hi,
> There is no way to isolate the healing peer. Healing happens from the 
> good brick to the bad brick.
> I guess your replica bricks are on a different peers. If you try to 
> isolate the healing peer, it will stop the healing process itself.
> What is the error you are getting while writing? It would be helpful 
> to debug the issue, if you can provide us the output of the following 
> commands:
>     gluster volume info <vol_name>
>     gluster volume heal <vol_name> info
> And also provide the client & heal logs.
> Thanks & Regards,
> Karthik
> On Mon, Oct 9, 2017 at 3:02 PM, ML <lists at websiteburo.com 
> <mailto:lists at websiteburo.com>> wrote:
>     Hi everyone,
>     I've been using gluster for a few month now, on a simple 2 peers
>     replicated infrastructure, 22Tb each.
>     One of the peers has been offline last week during 10 hours (raid
>     resync after a disk crash), and while my gluster server was
>     healing bricks, I could see some write errors on my gluster clients.
>     I couldn't find a way to isolate my healing peer, in the
>     documentation or anywhere else.
>     Is there a way to avoid that ? Detach the peer while healing ?
>     Some tunning on the client side maybe ?
>     I'm using gluster 3.9 on debian 8.
>     Thank you for your help.
>     Quentin
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