Re: [Linux-cluster] How fast can rsync be on GFS2?

2011-02-25 Thread Bob Peterson
- Original Message - | Is there any other tuning I can use to make GFS2 faster in this | scenario? Does anyone use rsync in similar scenario, and how fast is | file list created? Hi Nikola, GFS2 is mostly self-tuning. However, we are making improvements all the time. The performance dep

[Linux-cluster] Restarting cluster node, without other nodes hanging

2011-02-25 Thread Nikola Savic
Hello, As mentioned in the previous post, I have setup my first cluster with 3 nodes running CentOS 5.4. Two nodes are mirrored using DRBD, and that is used as shared storage for cluster. Third node is accessing that shared storage using GNBD. When all three nodes are up and running, everythi

Re: [Linux-cluster] How fast can rsync be on GFS2?

2011-02-25 Thread ashley
Hi I am away until 28/02/11. If you require support, please email supp...@host365.com or call +44 (0)207 610 9911 in my absence. Regards Ashley -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster

[Linux-cluster] How fast can rsync be on GFS2?

2011-02-25 Thread Nikola Savic
Hello, I have started building my first cluster with 3 nodes using CentOS 5.4. Two nodes have disk mirrored using DRBD, and third node is accessing it using GNBD. We're still not in production, but I wanted to test backup procedures. All web files will be copied to the remote server using

Re: [Linux-cluster] Fsck on GFS2

2011-02-25 Thread Bob Peterson
- Original Message - | Hi ! | | We are in the testing phase of our setup, and I had to grow a GFS2 | filesystem under RH6, wich was full. It didn't work because of a bug, | so I | deleted some files to make room, and the the grow worked, but still I | couldn't write more data. So I took th

Re: [Linux-cluster] High DLM CPU usage - low GFS/iSCSI performance

2011-02-25 Thread Alan Brown
On 25/02/11 07:21, Martijn Storck wrote: Thanks for your message. Somehow the issue has not returned since yesterday when I applied some tuning to our GFS, specifically: glock_purge 50 demote_secs 100 scand_secs 5 statfs_fast 1 It's most likely the biggest contributor is the statfs_fast se

Re: [Linux-cluster] lvm2-cluster not syncing correctly?

2011-02-25 Thread Simon Hargrave
Please read the warning at the end of this email > As a rule of thumb, I always do a "vgscan" on all of the other nodes in the > cluster, after creating a LV on a clustered VG. > // Thomas In this instance however, vgscan doesn't appear to f