Re: [Linux-cluster] GFS2 and D state HTTPD processes

2010-04-08 Thread Ricardo Argüello
Looks like this bug: GFS2 - probably lost glock call back https://bugzilla.redhat.com/show_bug.cgi?id=498976 This is fixed in the kernel included in RHEL 5.5. Do a yum update to fix it. Ricardo Arguello On Tue, Mar 2, 2010 at 6:10 AM, Emilio Arjona emilio...@gmail.com wrote: Thanks for your

Re: [Linux-cluster] GFS2 and D state HTTPD processes

2010-03-02 Thread Steven Whitehouse
Hi, On Fri, 2010-02-26 at 16:52 +0100, Emilio Arjona wrote: Hi, we are experiencing some problems commented in an old thread: http://www.mail-archive.com/linux-cluster@redhat.com/msg07091.html We have 3 clustered servers under Red Hat 5.4 accessing a GFS2 resource. fstab options:

Re: [Linux-cluster] GFS2 and D state HTTPD processes

2010-03-02 Thread Emilio Arjona
Thanks for your response, Steve. 2010/3/2 Steven Whitehouse swhit...@redhat.com: Hi, On Fri, 2010-02-26 at 16:52 +0100, Emilio Arjona wrote: Hi, we are experiencing some problems commented in an old thread: http://www.mail-archive.com/linux-cluster@redhat.com/msg07091.html We have 3

[Linux-cluster] GFS2 and D state HTTPD processes

2010-02-26 Thread Emilio Arjona
Hi, we are experiencing some problems commented in an old thread: http://www.mail-archive.com/linux-cluster@redhat.com/msg07091.html We have 3 clustered servers under Red Hat 5.4 accessing a GFS2 resource. fstab options: /dev/vg_cluster/lv_cluster /opt/datacluster gfs2

Re: [Linux-cluster] GFS2 and D state HTTPD processes

2009-09-25 Thread Steven Whitehouse
Hi, On Thu, 2009-09-24 at 11:30 +0100, Gavin Conway wrote: Hi All, We have 6 nodes running GFS2 under CentOS 5.3 all connecting via Cisco 2960G switches to an MD3000i with 8 x 146GB SAS 15K drives. These nodes run a PHP website pulling their PHP and images files from a GFS2

RE: [Linux-cluster] GFS2 and D state HTTPD processes

2009-09-25 Thread Gavin Conway
Hi Steve, I’ve tuned the demote_secs down from 300 to 20 seconds on the assumption that file locking is causing an issue. That is unlikely to make any meaningful change and in fact it could well hurt performance, depending on the workload. gfs_controld plock_ownership=1

Re: [Linux-cluster] GFS2 and D state HTTPD processes

2009-09-25 Thread Bob Peterson
- Gavin Conway gavin.con...@uksolutions.co.uk wrote: | We'll give this a go and see what it does. We did manage to track down | the latest issue to a bad script that the customer had written which | caused one of the nodes to exhaust all of its available memory. That | then caused a knock-on

[Linux-cluster] GFS2 and D state HTTPD processes

2009-09-24 Thread Gavin Conway
Hi All, We have 6 nodes running GFS2 under CentOS 5.3 all connecting via Cisco 2960G switches to an MD3000i with 8 x 146GB SAS 15K drives. These nodes run a PHP website pulling their PHP and images files from a GFS2 volume being exported by iSCSI from the MD3000i . Problem we have is that