Jordi, I have one more question, inline with your the message below. On Wed, Mar 12, 2008 at 10:25 PM, Jordi Moles <jordi@xxxxxxxxx> wrote: > Hi, > > I'm using Xen 3.2.0 on debian lenny machines, xen installed from apt-get > repositories. > > All machines, nodes, postfixs and dovecots are virtuals. > > nodes have 2GB of ram and 4GB of swap, dovecots and postfixs 512M of ram > and also 4GB of swap. > > dom0 is running any server or client gluster daemon. Did you mean 'dom0 is not running any server or client glusterfs daemon'? > > I've attached a picture from cacti, which i use to monitor all parts of > gluster. There are two points at which the node runs out of ram memory. > The first one is when i perform a postmark test, and the second one is a > bonnie test. The other readings which are close to 1GB refers to > "normal" use of my mail system, receiving mails, people checking their > mailboxes and so on. > > no errors or warnings are reported in the gluster log files. > > here's the xen config files from any kind of machine: > > NODES > > ************* > > # > # Configuration file for the Xen instance node01gluster01, created > # by xen-tools 3.9 on Thu Feb 28 16:39:27 2008. > # > > # > # Kernel + memory size > # > kernel = '/boot/vmlinuz-2.6.18-6-xen-amd64' > ramdisk = '/boot/initrd.img-2.6.18-6-xen-amd64' > memory = '2048' > vcpus = '2' > > # > # Disk device(s). > # > root = '/dev/sda2 ro' > disk = [ > 'file:/home/xen/domains/node01gluster01/swap.img,sda1,w', > 'file:/home/xen/domains/node01gluster01/disk.img,sda2,w', > ] > > > # > # Hostname > # > name = 'node01gluster01' > > # > # Networking > # > vif = [ > 'bridge=xenbr0,ip=192.168.1.204,mac=00:16:3E:B3:2F:18','bridge=xenbr1,ip= > 192.168.2.204,mac=00:16:3E:B3:2F:19' > ] > > # > # Behaviour > # > on_poweroff = 'destroy' > on_reboot = 'restart' > on_crash = 'restart' > > > ************* > > DOVECOTS > > ************* > > > # Configuration file for the Xen instance dovecot02gluster01.cdmon.com, > created > # by xen-tools 3.9 on Thu Feb 28 16:51:32 2008. > # > > # > # Kernel + memory size > # > kernel = '/boot/vmlinuz-2.6.18-6-xen-amd64' > ramdisk = '/boot/initrd.img-2.6.18-6-xen-amd64' > memory = '512' > > # > # Disk device(s). > # > root = '/dev/sda2 ro' > disk = [ > > 'file:/home/xen/domains/dovecot02gluster01.cdmon.com/swap.img,sda1,w', > > 'file:/home/xen/domains/dovecot02gluster01.cdmon.com/disk.img,sda2,w', > ] > > > # > # Hostname > # > name = 'dovecot02gluster01.cdmon.com' > > # > # Networking > # > vif = [ > 'bridge=xenbr0,ip=212.x.x.x,mac=00:16:3E:B2:E7:69','bridge=xenbr1,ip= > 192.168.1.36,mac=00:16:3E:B2:E7:70' > ] > > # > # Behaviour > # > on_poweroff = 'destroy' > on_reboot = 'restart' > on_crash = 'restart' > > > ************** > > POSTFIXS > > ************** > > # > # Configuration file for the Xen instance postfix02gluster01.cdmon.com, > created > # by xen-tools 3.9 on Thu Feb 28 16:40:20 2008. > # > > # > # Kernel + memory size > # > kernel = '/boot/vmlinuz-2.6.18-6-xen-amd64' > ramdisk = '/boot/initrd.img-2.6.18-6-xen-amd64' > memory = '512' > > # > # Disk device(s). > # > root = '/dev/sda2 ro' > disk = [ > > 'file:/home/xen/domains/postfix02gluster01.cdmon.com/swap.img,sda1,w', > > 'file:/home/xen/domains/postfix02gluster01.cdmon.com/disk.img,sda2,w', > ] > > > # > # Hostname > # > name = 'postfix02gluster01.cdmon.com' > > # > # Networking > # > vif = [ > 'bridge=xenbr0,ip=212.x.x.x,mac=00:16:3E:F9:47:0D','bridge=xenbr1,ip= > 192.168.1.212,mac=00:16:3E:F9:47:0E' > ] > > # > # Behaviour > # > on_poweroff = 'destroy' > on_reboot = 'restart' > on_crash = 'restart' > > > > ************** > > En/na Basavanagowda Kanur ha escrit: > > Jordi, > > We will be trying to reproduce your problem at our setup. To go > further, > > we have few questions for you: > > > > 1. Where are glusterfs servers running? On virtual machines or real > > machines? > > 2. Where are glusterfs clients running? On virtual machines or real > > machines? > > 3. Is the Xen dom-0 also using glusterfs client? If yes, what all > processes > > are accessing the glusterfs mount. > > 4. If Xen dom-0 hosts the block device images for Xen guest OSes on > > glusterfs mount, then what is the access method for guest OSes? loopback > > (disk=['file:']) or blktp (disk=['tap:aio:']) or nfs rexport? > > > > Detailed description of your Xen setup in addition to answers to above > > questions will help us debug the problem. > > > > -- > > Gowda > > > > > > -- Gowda
