Re: Unable to peer probe between new servers and old servers

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Michael,

I understand that this has been frustrating for you. I will establish
a few terminologies that are being used in this thread, that may not
be obvious unless you have heard them before.

glusterd log file - /var/log/glusterfs/etc-glusterd-glusterfs.vol.log
-- this is the file where glusterd (daemon) uses for logging

cli log file - /var/log/glusterfs/cli.log
-- this is the file gluster (command line binary) uses for logging

command log history - /var/log/glusterfs/.cmd_log_history
-- this is the file glusterd uses for logging result of a command (both success and failure).

To analyse your issue, we would need the glusterd log file, cli log file and
command log history from web1, web2, web3 and web4. 

thanks,
kp



----- Original Message -----
> > You can check the glusterd log files on a pair of peers to understand
> > what's happening.
> I wish I understood what's happening. What is dumped out in
> /var/log/glusterfs/cli.log appears about as useful as a Windows blue screen
> of death.
> 
> I'm not sure what you mean by "A pair of peers". I have two pairs that
> communicate, web1 <-> web2 (old servers), and web3 <-> web4 (new servers).
> When I do a "gluster peer probe" from A to B, nothing ever appears in the
> log file of B; it does not matter if the peer is successful or not. I've
> posted the output from cli.log from the failing "gluster peer probe" server.
> 
> -----------------------------------------------
> root@web1:/# gluster peer status
> -----------------------------------------------
> Number of Peers: 1
> 
> Hostname: web2
> Uuid: a7ec2afb-d3fc-4b00-891f-93d2df40c97a
> State: Peer in Cluster (Connected)
> 
> -----------------------------------------------
> root@web2:/# gluster peer status
> -----------------------------------------------
> Number of Peers: 1
> 
> Hostname: 10.10.X.X
> Uuid: 87a71cfc-3b84-4163-b4bf-c5ebc07d7338
> State: Peer in Cluster (Connected)
> 
> -----------------------------------------------
> root@web3:/# gluster peer status
> -----------------------------------------------
> Number of Peers: 1
> 
> Hostname: web4
> Uuid: 8e427da7-67e3-40d7-9143-a500b630ae34
> State: Peer in Cluster (Connected)
> 
> -----------------------------------------------
> web4@neo:/# gluster peer status
> -----------------------------------------------
> Number of Peers: 1
> 
> Hostname: 10.11.X.X
> Uuid: 0df7c7d8-bf8e-4c00-91aa-809990b032ce
> State: Peer in Cluster (Connected)
> Other names:
> web3
> 
> ----------------------------------------------
> 
> On Thu, Jan 8, 2015 at 10:03 AM, Vijay Bellur < vbellur@xxxxxxxxxx > wrote:
> 
> 
> On 01/08/2015 11:21 PM, Michael Bushey wrote:
> 
> 
> On web1 and web2 I purged the gluster packages, did an "rm -rf
> /etc/glusterd /var/lib/glusterd" and then "apt-get install
> glusterfs-client glusterfs-server". Both web1 and web2 were still not
> able to peer with web3 and web4 but I was able to peer web1 with web2
> again and set the volumes back up.
> 
> How do I figure out what "unknown errno 107" actually means?
> 
> 
> 107 refers to an error number value from errno.h:
> 
> #define ENOTCONN 107 /* Transport endpoint is not connected */
> 
> ENOTCONN errors are usually seen when there is some problem with network
> connectivity. You can check the glusterd log files on a pair of peers to
> understand what's happening. Output of "gluster peer status" can also help
> in determining if there is a network problem.
> 
> HTH,
> Vijay
> 
> 
> 
> 
> --
> Michael Bushey
> Director of Technology
> Realty Mogul, Co.
> michael@xxxxxxxxxxxxxxx
> Cell: (310) 619-0414
> via Front Desk: (310) 907-7129 (ext. 124)
> 
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