Bug 796614

Summary:	DNS resolution failures during multiple graph changes
Product:	[Community] GlusterFS	Reporter:	Anush Shetty <ashetty>
Component:	fuse	Assignee:	Amar Tumballi <amarts>
Status:	CLOSED WORKSFORME	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	mainline	CC:	amarts, gluster-bugs, vbellur, vraman
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	848332 (view as bug list)		Environment:
Last Closed:	2012-09-18 05:48:32 UTC	Type:	---
Regression:	---	Mount Type:	fuse
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:
Bug Blocks:	848332

Description Anush Shetty 2012-02-23 10:33:08 UTC

Description of problem: While running volume set commands in a loop, DNS resolution failures were seen in the logs after a while. the I/O on the mount point exited reporting ENOTCONN. 


Version-Release number of selected component (if applicable): 3.3.0qa23


How reproducible: regularly


Steps to Reproduce:
1. Running volume set commands in a loop

Actual results:

[2012-02-23 15:44:14.463021] I [glusterfsd-mgmt.c:64:mgmt_cbk_spec] 0-mgmt: Volume file changed
[2012-02-23 15:44:15.701915] I [glusterfsd-mgmt.c:64:mgmt_cbk_spec] 0-mgmt: Volume file changed
[2012-02-23 15:44:15.957471] E [common-utils.c:135:gf_resolve_ip6] 505-resolver: getaddrinfo failed (Name or service not known)
[2012-02-23 15:44:15.957521] E [name.c:254:af_inet_client_get_remote_sockaddr] 505-test2-client-0: DNS resolution failed on host shortwing
[2012-02-23 15:44:15.957587] W [client.c:2011:client_rpc_notify] 505-test2-client-0: Registering a grace timer
[2012-02-23 15:44:15.957644] E [common-utils.c:135:gf_resolve_ip6] 506-resolver: getaddrinfo failed (Name or service not known)
[2012-02-23 15:44:15.957658] E [name.c:254:af_inet_client_get_remote_sockaddr] 506-test2-client-0: DNS resolution failed on host shortwing
[2012-02-23 15:44:15.957679] W [client.c:2011:client_rpc_notify] 506-test2-client-0: Registering a grace timer
[2012-02-23 15:44:16.942944] I [glusterfsd-mgmt.c:64:mgmt_cbk_spec] 0-mgmt: Volume file changed
[2012-02-23 15:44:18.201403] I [glusterfsd-mgmt.c:64:mgmt_cbk_spec] 0-mgmt: Volume file changed
[2012-02-23 15:44:18.958462] E [common-utils.c:135:gf_resolve_ip6] 505-resolver: getaddrinfo failed (Name or service not known)
[2012-02-23 15:44:18.958508] E [name.c:254:af_inet_client_get_remote_sockaddr] 505-test2-client-0: DNS resolution failed on host shortwing
[2012-02-23 15:44:18.958590] E [common-utils.c:135:gf_resolve_ip6] 506-resolver: getaddrinfo failed (Name or service not known)
[2012-02-23 15:44:18.958604] E [name.c:254:af_inet_client_get_remote_sockaddr] 506-test2-client-0: DNS resolution failed on host shortwing
[2012-02-23 15:44:19.411039] I [glusterfsd-mgmt.c:64:mgmt_cbk_spec] 0-mgmt: Volume file changed
[2012-02-23 15:44:20.642095] I [glusterfsd-mgmt.c:64:mgmt_cbk_spec] 0-mgmt: Volume file changed


Expected results:


Additional info:

Comment 1 Amar Tumballi 2012-09-18 05:48:32 UTC

the issue was more of distribute not being in graph in 3.3.0 release (for ENOTCONN for app). DNS resolution failed is surely none of the internal error. Hence closing the bug. Now with graph changes ENOTCONN is not seen, marking it WORKSFORME