[Gluster-devel] some issues about geo-replication and gfapi

[Kotresh Hiremath Ravishankar]

Hi,

To answer your questions in order.

1. Could you please provide geo-replication slave logs?

2. Steps to configure geo-replication different for glusterfs version <=3.4 and >=3.5
  
   For gluster-geo-replication <=3.4
    http://www.gluster.org/community/documentation/index.php/HowTo:geo-replication
  
   For gluster-geo-replication >=3.5
    https://github.com/gluster/glusterfs/blob/master/doc/admin-guide/en-US/markdown/admin_distributed_geo_rep.md

   Upgrade steps from gluster-geo-replication-3.4 to 3.5
    http://www.gluster.org/community/documentation/index.php/Upgrade_to_3.5

Thanks and Regards,
Kotresh H R

----- Original Message -----
From: "Gong XiaoHui" <xhgong at wind.com.cn>
To: "gluster-devel at gluster.org" <gluster-devel at gluster.org>
Sent: Monday, December 8, 2014 11:15:59 AM
Subject: [Gluster-devel] some issues about geo-replication and gfapi





Hi 

I have two questions with glusterfs: 

1.When I use libgfapi to write a file to a volume, which is configured as a geo-replication masterVol. It cannot work well, the geo status is faulty, following is the log: 

The glusterfs version is 3.6.1 



[2014-12-08 13:12:11.708616] I [master(/data_xfs/geo2-master):1330:crawl] _GMaster: finished hybrid crawl syncing, stime: (1418010314, 0) 

[2014-12-08 13:12:11.709706] I [master(/data_xfs/geo2-master):480:crawlwrap] _GMaster: primary master with volume id d220647c-5730-4cef-a89b-932470c914d2 ... 

[2014-12-08 13:12:11.735719] I [master(/data_xfs/geo2-master):491:crawlwrap] _GMaster: crawl interval: 3 seconds 

[2014-12-08 13:12:11.811722] I [master(/data_xfs/geo2-master):1182:crawl] _GMaster: slave's time: (1418010314, 0) 

[2014-12-08 13:12:11.840826] E [repce(/data_xfs/geo2-master):207:__call__] RepceClient: call 8318:139656072095488:1418015531.84 (entry_ops) failed on peer with OSError 

[2014-12-08 13:12:11.840990] E [syncdutils(/data_xfs/geo2-master):270:log_raise_exception] <top>: FAIL: 

Traceback (most recent call last): 

File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 164, in main 

main_i() 

File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 643, in main_i 

local.service_loop(*[r for r in [remote] if r]) 

File "/usr/libexec/glusterfs/python/syncdaemon/resource.py", line 1344, in service_loop 

g2.crawlwrap() 

File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 529, in crawlwrap 

self.crawl(no_stime_update=no_stime_update) 

File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 1194, in crawl 

self.process(changes) 

File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 946, in process 

self.process_change(change, done, retry) 

File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 910, in process_change 

self.slave.server.entry_ops(entries) 

File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 226, in __call__ 

return self.ins(self.meth, *a) 

File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 208, in __call__ 

raise res 

OSError: [Errno 12] Cannot allocate memory 

[2014-12-08 13:12:11.842178] I [syncdutils(/data_xfs/geo2-master):214:finalize] <top>: exiting. 

[2014-12-08 13:12:11.843421] I [repce(agent):92:service_loop] RepceServer: terminating on reaching EOF. 

[2014-12-08 13:12:11.843682] I [syncdutils(agent):214:finalize] <top>: exiting. 

[2014-12-08 13:12:12.103255] I [monitor(monitor):222:monitor] Monitor: worker(/data_xfs/geo2-master) died in startup phase 







2.Another question, I cannot configure a geo-replication in 3.6.1 with the method in 3.4.1. 

Any response is appreciate. 

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