Bug 796614 - DNS resolution failures during multiple graph changes
Summary: DNS resolution failures during multiple graph changes
Keywords:
Status: CLOSED WORKSFORME
Alias: None
Product: GlusterFS
Classification: Community
Component: fuse
Version: mainline
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Amar Tumballi
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 848332
TreeView+ depends on / blocked
 
Reported: 2012-02-23 10:33 UTC by Anush Shetty
Modified: 2013-12-19 00:07 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 848332 (view as bug list)
Environment:
Last Closed: 2012-09-18 05:48:32 UTC
Regression: ---
Mount Type: fuse
Documentation: ---
CRM:
Verified Versions:
Embargoed:

Attachments (Terms of Use)

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
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