HI Christopher. What version of Linux are you running? If it's CentOS/RedHat 5.5, you may be seeing the bug that I referred to in the attached post to the list, subject: CentOS 5.5 kernel bugs can cause temporary hangs upon client access to GlusterFS James Burnash Unix Engineer Knight Capital Group -----Original Message----- From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of Christopher Anderlik Sent: Wednesday, July 13, 2011 3:29 AM To: gluster-users at gluster.org Subject: 3.2.1 - sometimes network outages hi list, we use glusterfs 3.2.1 with this configuration (one server - one client): Volume Name: office-data Type: Replicate Status: Started Number of Bricks: 1 Transport-type: tcp Bricks: Brick1: gfs-01-01:/GFS/office-data02 Options Reconfigured: performance.cache-size: 512MB performance.quick-read: off we "sometimes" noticed network outages from glusterfs - so for some seconds/minutes the client is not able to access the mounted glusterfs-share. please see the picture enclosed ore here: http://www.xidrasservice.com/gfs-network.JPG there are no entries in client- or server-log. everyhting else works fine - so there is no general network problem. do you have any idea, what this might be? what can we check else? every help would be appreciated. thx!! christopher DISCLAIMER: This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this in error, please immediately notify me and permanently delete the original and any copy of any e-mail and any printout thereof. E-mail transmission cannot be guaranteed to be secure or error-free. The sender therefore does not accept liability for any errors or omissions in the contents of this message which arise as a result of e-mail transmission. NOTICE REGARDING PRIVACY AND CONFIDENTIALITY Knight Capital Group may, at its discretion, monitor and review the content of all e-mail communications. http://www.knight.com -------------- next part -------------- An embedded message was scrubbed... From: "Burnash, James" <jburnash at knight.com> Subject: CentOS 5.5 kernel bugs can cause temporary hangs upon client access to GlusterFS Date: Tue, 12 Jul 2011 10:33:41 -0400 Size: 8409 URL: <http://gluster.org/pipermail/gluster-users/attachments/20110713/6ca48454/attachment.eml>
