Re: [Linux-cluster] File system slow & crash

2010-04-21 Thread Somsak Sriprayoonsakul
Just notice that, on a node it is using kernel version 2.6.18-164.15.1.el5. Don't sure if the difference has any effect. On Thu, Apr 22, 2010 at 2:27 AM, Somsak Sriprayoonsakul wrote: > Hello, > > We are using GFS2 on 3 nodes cluster, kernel 2.6.18-164.6.1.el5, > RHEL/CentOS5, x86_64 with 8-12GB

[Linux-cluster] File system slow & crash

2010-04-21 Thread Somsak Sriprayoonsakul
Hello, We are using GFS2 on 3 nodes cluster, kernel 2.6.18-164.6.1.el5, RHEL/CentOS5, x86_64 with 8-12GB memory in each node. The underlying storage is HP 2312fc smart array equipped with 12 SAS 15K rpm, configured as RAID10 using 10 HDDs + 2 spares. The array has about 4GB cache. Communication is

Re: [Linux-cluster] gfs+nfs+lucene, anyone had tried?

2010-04-21 Thread ESGLinux
Hi, in the file /var/lib/nfs/etabI get this: /nfsdata nodo1(rw,sync,wdelay,hide,nocrossmnt,secure,no_root_squash,no_all_squash,no_subtree_check,secure_locks,acl,fsid=45793,mapping=identity,anonuid=65534,anongid=65534) the version of nfs are this: nfs-utils-1.0.9-42.el5 nfs-utils-lib-1.0.8-7.6

Re: [Linux-cluster] gfs+nfs+lucene, anyone had tried?

2010-04-21 Thread Steven Whitehouse
Hi, Did you set fsid= on the export? Which NFS version are you using? Steve. On Wed, 2010-04-21 at 17:00 +0200, ESGLinux wrote: > HI, > > > look at the error that happens when two nodes are writing to the > index: > > > java.io.IOException: Stale NFS file handle > at java.io.Random

Re: [Linux-cluster] gfs+nfs+lucene, anyone had tried?

2010-04-21 Thread ESGLinux
HI, look at the error that happens when two nodes are writing to the index: java.io.IOException: Stale NFS file handle at java.io.RandomAccessFile.writeBytes(Native Method) at java.io.RandomAccessFile.write(RandomAccessFile.java:466) at org.apache.lucene.store.FSIndexOutp

Re: [Linux-cluster] GFS in cluster

2010-04-21 Thread Srija
Thanks Paras and Steve. Yes the document you have mentioned , I already gone through it. I experiented on cluster the httpd service and few other serverices. And now , I am trying to build a GFS filesystem on which I will build the xen guests. This file system is connected to three nodes. So m

Re: [Linux-cluster] gfs+nfs+lucene, anyone had tried?

2010-04-21 Thread Jeff Sturm
We use Lucene over GFS (no NFS), but the design of our application updates Lucene from only one node at a time. In general applications that utilize POSIX locking can handle concurrent updates safely on GFS even with multiple nodes. It wasn't clear to us whether Lucene supports this, howeve

[Linux-cluster] gfs+nfs+lucene, anyone had tried?

2010-04-21 Thread ESGLinux
Hi All, I´m mounting a cluster using NFS over GFS and I´m going to store a lucene index on it. There are two nodes that write in this index, and I´m worried about the index corruption. So anyone have implemented something like this? any problem I can find? Thanks in advance, ESG -- Linux-clust

[Linux-cluster] Cluster 3.0.11 stable release

2010-04-21 Thread Fabio M. Di Nitto
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 The cluster team and its community are proud to announce the 3.0.11 stable release from the STABLE3 branch. This release contains a few major bug fixes. We strongly recommend people to update their clusters. In order to build/run the 3.0.11 release y

Re: [Linux-cluster] Announce: Node Assassin - Open hardware cluster fence device

2010-04-21 Thread Kaloyan Kovachev
On Tue, 20 Apr 2010 17:41:42 +, "Joseph L. Casale" wrote: >>One of the problems with clustering is the fencing barrier to entry when >>shared data is at stake -- often it's high cost and not all hardware >>vendors resell them. > > I'm surprised more people don't just fence with a managed swit