<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 12pt;
font-family:Calibri
}
--></style></head>
<body class='hmmessage'><div dir='ltr'>Hi,<div>Thank you for your reply.</div><div><br></div><div>The traffic is related to GlusterFS;</div><div><br></div><div><div>18:31:20.419056 IP 192.168.208.134.49058 > 192.168.208.134.49153: Flags [.], ack 3876, win 24576, options [nop,nop,TS val 247718812 ecr 247718772], length 0</div><div>18:31:20.419080 IP 192.168.208.134.49056 > 192.168.208.134.49154: Flags [.], ack 11625, win 24576, options [nop,nop,TS val 247718812 ecr 247718772], length 0</div><div>18:31:20.419084 IP 192.168.208.134.49060 > 192.168.208.134.49152: Flags [.], ack 9861, win 24576, options [nop,nop,TS val 247718812 ecr 247718772], length 0</div><div>18:31:20.419088 IP 192.168.208.134.49054 > 192.168.208.134.49155: Flags [.], ack 4393, win 24568, options [nop,nop,TS val 247718812 ecr 247718772], length 0</div><div>18:31:20.420084 IP 192.168.208.134.49052 > 192.168.208.134.49156: Flags [.], ack 5525, win 24576, options [nop,nop,TS val 247718813 ecr 247718773], length 0</div><div>18:31:20.420092 IP 192.168.208.134.49049 > 192.168.208.134.49158: Flags [.], ack 6657, win 24576, options [nop,nop,TS val 247718813 ecr 247718773], length 0</div><div>18:31:20.421065 IP 192.168.208.134.49050 > 192.168.208.134.49157: Flags [.], ack 4729, win 24570, options [nop,nop,TS val 247718814 ecr 247718774], length 0</div><div><br></div><div>Screenshot from wireshark can be found in the attachments.</div><div>208.134 is the server IP address, and it's looks like it talking to itself via the lo interface, im wondering if this is a normal behavior or not.</div><div>and regarding the Ganesha server logs, how can i debug it to find why the servers not responding to the requests on time ?</div><div><br></div><br>
<div class="ecxmoz-signature">-- <br>
<br>
<font color="#3366ff"><font color="#000000">Respectfully<b><br>
</b><b>Mahdi A. Mahdi</b></font></font><font color="#3366ff"><br><br></font><font color="#3366ff"></font></div><br><br><div>> Subject: Re: [Gluster-users] NFS-Ganesha lo traffic<br>> To: mahdi.adnan@outlook.com<br>> From: skoduri@redhat.com<br>> CC: gluster-users@gluster.org; nfs-ganesha-devel@lists.sourceforge.net<br>> Date: Tue, 9 Aug 2016 18:02:01 +0530<br>> <br>> <br>> <br>> On 08/09/2016 03:33 PM, Mahdi Adnan wrote:<br>> > Hi,<br>> ><br>> > Im using NFS-Ganesha to access my volume, it's working fine for now but<br>> > im seeing lots of traffic on the Loopback interface, in fact it's the<br>> > same amount of traffic on the bonding interface, can anyone please<br>> > explain to me why is this happening ?<br>> <br>> Could you please capture packets on those interfaces using tcpdump and <br>> examine the traffic?<br>> <br>> > also, i got the following error in the ganesha log file;<br>> ><br>> > 09/08/2016 11:35:54 : epoch 57a5da0c : gfs04 :<br>> > ganesha.nfsd-1646[dbus_heartbeat] dbus_heartbeat_cb :DBUS :WARN :Health<br>> > status is unhealthy. Not sending heartbeat<br>> > 09/08/2016 11:46:04 : epoch 57a5da0c : gfs04 :<br>> > ganesha.nfsd-1646[dbus_heartbeat] dbus_heartbeat_cb :DBUS :WARN :Health<br>> > status is unhealthy. Not sending heartbeat<br>> > 09/08/2016 11:54:39 : epoch 57a5da0c : gfs04 :<br>> > ganesha.nfsd-1646[dbus_heartbeat] dbus_heartbeat_cb :DBUS :WARN :Health<br>> > status is unhealthy. Not sending heartbeat<br>> > 09/08/2016 12:06:04 : epoch 57a5da0c : gfs04 :<br>> > ganesha.nfsd-1646[dbus_heartbeat] dbus_heartbeat_cb :DBUS :WARN :Health<br>> > status is unhealthy. Not sending heartbeat<br>> ><br>> > is it something i should care about ?<br>> <br>> Above warnings are thrown when the outstanding rpc request queue count <br>> doesn't change within two heartbeats, in other words the server may be <br>> taking a while to process the requests and responding slowly to its clients.<br>> <br>> Thanks,<br>> Soumya<br>> <br>> ><br>> > My ganesha config is the following;<br>> ><br>> ><br>> > EXPORT{<br>> > Export_Id = 1 ;<br>> > Path = "/vlm02";<br>> ><br>> > FSAL {<br>> > name = GLUSTER;<br>> > hostname = "gfs04";<br>> > volume = "vlm02";<br>> > }<br>> ><br>> > Access_type = RW;<br>> > Disable_ACL = TRUE;<br>> > Squash = No_root_squash;<br>> > Protocols = "3" ;<br>> > Transports = "TCP";<br>> > }<br>> ><br>> ><br>> > Im accessing it via a floating ip assigned by CTDB.<br>> ><br>> ><br>> > Thank you.<br>> > --<br>> ><br>> > Respectfully*<br>> > **Mahdi A. Mahdi*<br>> ><br>> ><br>> ><br>> > _______________________________________________<br>> > Gluster-users mailing list<br>> > Gluster-users@gluster.org<br>> > http://www.gluster.org/mailman/listinfo/gluster-users<br>> ><br></div></div> </div></body>
</html>