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[Users] Glusterfs HA doubts
by Adrian Gibanel 04 Feb '13

04 Feb '13

In oVirt 3.1 GlusterFS support was added. It was an easy way to replicate your virtual machine storage without too much hassle. There are two main howtos: * http://www.middleswarth.net/content/installing-ovirt-31-and-glusterfs-using… (Robert Middleswarth) * http://blog.jebpages.com/archives/ovirt-3-1-glusterized/ (Jason Brooks). 1) What about performance? I've done some tests with rsync backups (even using the suggested --inplace rsync switch) that implies small files. These backups were done into local mounted glusterfs volumes. Backups instead of lasting about 2 hours they lasted like 15 hours long. Is there maybe something that only happens with small files and with big files performance is ok? 2) How to know the current status? In DRBD you know it checking a proc file if I remember it well. I remember too that GlusterFS doesn't have an equivalent thing and there's no evident way to know if all the files are synced. If you have tried it how do you know if both sets of virtual disks images are synced? 3) Mount dns resolution If you check Jason Brooks howto you will see that it uses a hostname for refering to nfs mount. If you want to perform HA you need your storage to be mounted and if the server1 host is down it doesn't help that the nfs mount point associated to the storage is server1:/vms/ and not server2:/vms/. Checking Middleswarth howto I think that he does the same thing. Let's explain a bit more so that understand. My example setup is the one where you have two host machines where you run a set of virtual machines on one and the other one doesn't have any virtual machine running. Where is the virtual machines storage located? It's located at the glusterfs volume. So the first one of the machines mounts the glusterfs volume as nfs (It's an example). If it uses its own hostname for the nfs mount then if itself goes down the second host isn't going to mount it when it's restarted in the HA mode. So the first one of the machines mounts the glusterfs volume as nfs (It's an example). If it uses the second host hostname for the nfs mount then if the second host goes down the virtual machine cannot access its virtual disks. A workaround for this situation which I have thought is to use /etc/hosts on both machines so that: whatever.domain.com resolves in both hosts to the host self's ip. I think that glusterfs has a way of mounting their share through "-t glusterfs" that somehow can ignore these hostnames problems but I haven't read it too much about it so I'm not too sure. 4) So my doubts basically are: * Has anyone setup a two host glusterfs HA oVirt cluster where storage is shared by a replicated Glusterfs volume that is shared and stored by both of them? * Does HA work when one of the host goes down? * Or does it complain about hostname as I suspect? * Any tips to ensure the best performance? Thank you. -- -- Adrián Gibanel I.T. Manager +34 675 683 301 www.btactic.com Ens podeu seguir a/Nos podeis seguir en: i Abans d´imprimir aquest missatge, pensa en el medi ambient. El medi ambient és cosa de tothom. / Antes de imprimir el mensaje piensa en el medio ambiente. El medio ambiente es cosa de todos. AVIS: El contingut d'aquest missatge i els seus annexos és confidencial. Si no en sou el destinatari, us fem saber que està prohibit utilitzar-lo, divulgar-lo i/o copiar-lo sense tenir l'autorització corresponent. Si heu rebut aquest missatge per error, us agrairem que ho feu saber immediatament al remitent i que procediu a destruir el missatge . AVISO: El contenido de este mensaje y de sus anexos es confidencial. Si no es el destinatario, les hacemos saber que está prohibido utilizarlo, divulgarlo y/o copiarlo sin tener la autorización correspondiente. Si han recibido este mensaje por error, les agradeceríamos que lo hagan saber inmediatamente al remitente y que procedan a destruir el mensaje .

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[Users] How to connect to console after another user logged out
by Gianluca Cecchi 04 Feb '13

04 Feb '13

Hello, I have 3.2 beta and a Fedra 18 VM configured with spice access. One user connects to portal and access it, then terminates his session and closes the spice console window and log out from portal. Another user connects to portal and tries to connect to the same VM that is still powered on. It receives this message: Error: F18: Console connection denied. Another user has already accessed the console of this VM. The VM should be rebooted to allow another user to access it, or changed by an admin to not enforce reboot between users accessing its console. I didn't find a way to accomplish the "or changed by an admin to not enforce reboot..." Where to set this? Thanks, Gianluca

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[Users] Cannot add local storage on 3.2
by Matt . 03 Feb '13

03 Feb '13

Hi All, I have made a successfull install of 3.2 but there seems to be changed a lot about local storage comparing to 3.1 When I want to add storage on a local host there is a Datacenter and Cluster created for this Host, named by the name of the host. After this, the local storage is not available and I'm not able to add extra also. I have looked at "adding a new storage domains" and when I select my host I still need to set my path, but I did this already by configuring local storage before. The message I receive while configuring the local storage is: error cannot add storage. internal error storage connection doesn't exist What goes wrong here ? This was much easier on 3.1!

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[Users] 3.2 beta and f18 host on dell R815 problem
by Gianluca Cecchi 03 Feb '13

03 Feb '13

during install of server I get this Host installation failed. Fix installation issues and try to Re-Install In deploy log 2013-01-31 12:17:30 DEBUG otopi.plugins.ovirt_host_deploy.vdsm.hardware hardware._isVirtualizationEnabled:144 virtualization support GenuineIntel (cpu: False, bios: True) 2013-01-31 12:17:30 DEBUG otopi.context context._executeMethod:127 method exception Traceback (most recent call last): File "/tmp/ovirt-SfEARpd3h4/pythonlib/otopi/context.py", line 117, in _executeMethod method['method']() File "/tmp/ovirt-SfEARpd3h4/otopi-plugins/ovirt-host-deploy/vdsm/hardware.py", line 170, in _validate_virtualization _('Hardware does not support virtualization') RuntimeError: Hardware does not support virtualization 2013-01-31 12:17:30 ERROR otopi.context context._executeMethod:136 Failed to execute stage 'Setup validation': Hardware does not support virtualization note the GenuineIntel above... ?? But actually it is AMD [root@f18ovn03 ~]# lsmod|grep kvm kvm_amd 59623 0 kvm 431794 1 kvm_amd cat /proc/cpuinfo ... processor : 47 vendor_id : AuthenticAMD cpu family : 16 model : 9 model name : AMD Opteron(tm) Processor 6174 stepping : 1 microcode : 0x10000d9 cpu MHz : 800.000 cache size : 512 KB physical id : 3 siblings : 12 core id : 5 cpu cores : 12 apicid : 59 initial apicid : 59 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid amd_dcm pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt nodeid_msr hw_pstate npt lbrv svm_lock nrip_save pausefilter bogomips : 4400.44 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate Any hint? Gianluca

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[Users] oVirt 3.2 testday
by Moran Goldboim 03 Feb '13

03 Feb '13

Thanks for all the ones participating this day. we would like to get some feedback from you after testing this beta version. how do you feel with respect to: -stability - basic flows -new features -blocker bugs (should be added to this version tracker [1]) [1] https://bugzilla.redhat.com/show_bug.cgi?id=881006 Thanks, Moran.

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[Users] 3.2 beta: Amd Opteron 6174 wrongly detected as 8 socket
by Gianluca Cecchi 03 Feb '13

03 Feb '13

Hello, after deploy of a node that has 4 sockets with 12cores each, it is wrongly detected in web admin gui. See: https://docs.google.com/file/d/0BwoPbcrMv8mvdjdYNjVfT2NWY0U/edit It says 8 sockets each with 6 cores.... Output of # virsh capabilities here: https://docs.google.com/file/d/0BwoPbcrMv8mveG5OaVBZN1VENlU/edit output of cpuid here: https://docs.google.com/file/d/0BwoPbcrMv8mvUFFRYkZEX0lmRG8/edit also run this [root@f18ovn03 ~]# vdsClient -s 0 getVdsCaps HBAInventory = {'iSCSI': [{'InitiatorName': 'iqn.1994-05.com.redhat:f9baf5a8f6c3'}], 'FC': []} ISCSIInitiatorName = iqn.1994-05.com.redhat:f9baf5a8f6c3 bondings = {'bond4': {'addr': '', 'cfg': {}, 'mtu': '1500', 'netmask': '', 'slaves': [], 'hwaddr': '00:00:00:00:00:00'}, 'bond0': {'addr': '', 'cfg': {}, 'mtu': '1500', 'netmask': '', 'slaves': [], 'hwaddr': '00:00:00:00:00:00'}} bridges = {'ovirtmgmt': {'addr': '192.168.1.102', 'cfg': {'DOMAIN': 'localdomain.local', 'UUID': '60d40d4a-d8ab-4f5b-bd48-2e807df36be4', 'DNS3': '82.113.193.3', 'IPADDR0': '192.168.1.102', 'DNS1': '192.168.1.103', 'PREFIX0': '24', 'DEFROUTE': 'yes', 'IPV4_FAILURE_FATAL': 'no', 'DELAY': '0', 'NM_CONTROLLED': 'no', 'BOOTPROTO': 'none', 'GATEWAY0': '192.168.1.1', 'DNS2': '8.8.8.8', 'DEVICE': 'ovirtmgmt', 'TYPE': 'Bridge', 'ONBOOT': 'yes', 'IPV6INIT': 'no'}, 'mtu': '1500', 'netmask': '255.255.255.0', 'stp': 'off', 'ports': ['em1']}} clusterLevels = ['3.0', '3.1', '3.2'] cpuCores = 48 cpuFlags = fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,mmx,fxsr,sse,sse2,ht,syscall,nx,mmxext,fxsr_opt,pdpe1gb,rdtscp,lm,3dnowext,3dnow,constant_tsc,rep_good,nopl,nonstop_tsc,extd_apicid,amd_dcm,pni,monitor,cx16,popcnt,lahf_lm,cmp_legacy,svm,extapic,cr8_legacy,abm,sse4a,misalignsse,3dnowprefetch,osvw,ibs,skinit,wdt,nodeid_msr,hw_pstate,npt,lbrv,svm_lock,nrip_save,pausefilter,model_athlon,model_Opteron_G3,model_Opteron_G1,model_phenom,model_Opteron_G2 cpuModel = AMD Opteron(tm) Processor 6174 cpuSockets = 8 cpuSpeed = 800.000 cpuThreads = 48 emulatedMachines = ['pc-1.2', 'none', 'pc', 'pc-1.1', 'pc-1.0', 'pc-0.15', 'pc-0.14', 'pc-0.13', 'pc-0.12', 'pc-0.11', 'pc-0.10', 'isapc', 'pc-1.2', 'none', 'pc', 'pc-1.1', 'pc-1.0', 'pc-0.15', 'pc-0.14', 'pc-0.13', 'pc-0.12', 'pc-0.11', 'pc-0.10', 'isapc'] guestOverhead = 65 hooks = {} kvmEnabled = true lastClient = 192.168.1.111 lastClientIface = ovirtmgmt management_ip = memSize = 64418 netConfigDirty = False networks = {'ovirtmgmt': {'iface': 'ovirtmgmt', 'addr': '192.168.1.102', 'cfg': {'DOMAIN': 'localdomain.local', 'UUID': '60d40d4a-d8ab-4f5b-bd48-2e807df36be4', 'DNS3': '82.113.193.3', 'IPADDR0': '192.168.1.102', 'DNS1': '192.168.1.103', 'PREFIX0': '24', 'DEFROUTE': 'yes', 'IPV4_FAILURE_FATAL': 'no', 'DELAY': '0', 'NM_CONTROLLED': 'no', 'BOOTPROTO': 'none', 'GATEWAY0': '192.168.1.1', 'DNS2': '8.8.8.8', 'DEVICE': 'ovirtmgmt', 'TYPE': 'Bridge', 'ONBOOT': 'yes', 'IPV6INIT': 'no'}, 'mtu': '1500', 'netmask': '255.255.255.0', 'stp': 'off', 'bridged': True, 'gateway': '0.0.0.0', 'ports': ['em1']}} nics = {'em4': {'addr': '', 'cfg': {'PEERROUTES': 'yes', 'UUID': 'bed68125-4345-4995-ba49-a6e5580c58dd', 'NAME': 'em4', 'TYPE': 'Ethernet', 'IPV6_PEERDNS': 'yes', 'DEFROUTE': 'yes', 'PEERDNS': 'yes', 'IPV4_FAILURE_FATAL': 'no', 'HWADDR': '00:25:64:F9:76:82', 'BOOTPROTO': 'dhcp', 'IPV6_AUTOCONF': 'yes', 'IPV6_FAILURE_FATAL': 'no', 'IPV6_PEERROUTES': 'yes', 'IPV6_DEFROUTE': 'yes', 'ONBOOT': 'yes', 'IPV6INIT': 'yes'}, 'mtu': '1500', 'netmask': '', 'hwaddr': '00:25:64:f9:76:82', 'speed': 0}, 'em1': {'addr': '', 'cfg': {'BRIDGE': 'ovirtmgmt', 'DOMAIN': 'localdomain.local', 'DEVICE': 'em1', 'UUID': '60d40d4a-d8ab-4f5b-bd48-2e807df36be4', 'DNS3': '82.113.193.3', 'IPADDR0': '192.168.1.102', 'DNS1': '192.168.1.103', 'PREFIX0': '24', 'DEFROUTE': 'yes', 'IPV4_FAILURE_FATAL': 'no', 'NM_CONTROLLED': 'no', 'GATEWAY0': '192.168.1.1', 'DNS2': '8.8.8.8', 'HWADDR': '00:25:64:f9:76:7c', 'ONBOOT': 'yes', 'IPV6INIT': 'no'}, 'mtu': '1500', 'netmask': '', 'hwaddr': '00:25:64:f9:76:7c', 'speed': 1000}, 'em3': {'addr': '', 'cfg': {'PEERROUTES': 'yes', 'UUID': '2984885c-fbd8-4ad1-a393-00f0a205ae79', 'NAME': 'em3', 'TYPE': 'Ethernet', 'IPV6_PEERDNS': 'yes', 'DEFROUTE': 'yes', 'PEERDNS': 'yes', 'IPV4_FAILURE_FATAL': 'no', 'HWADDR': '00:25:64:F9:76:80', 'BOOTPROTO': 'dhcp', 'IPV6_AUTOCONF': 'yes', 'IPV6_FAILURE_FATAL': 'no', 'IPV6_PEERROUTES': 'yes', 'IPV6_DEFROUTE': 'yes', 'ONBOOT': 'yes', 'IPV6INIT': 'yes'}, 'mtu': '1500', 'netmask': '', 'hwaddr': '00:25:64:f9:76:80', 'speed': 0}, 'em2': {'addr': '', 'cfg': {'PEERROUTES': 'yes', 'UUID': 'ebd889bc-57ae-4ee9-8db2-4595309ee81c', 'NAME': 'em2', 'TYPE': 'Ethernet', 'IPV6_PEERDNS': 'yes', 'DEFROUTE': 'yes', 'PEERDNS': 'yes', 'IPV4_FAILURE_FATAL': 'no', 'HWADDR': '00:25:64:F9:76:7E', 'BOOTPROTO': 'dhcp', 'IPV6_AUTOCONF': 'yes', 'IPV6_FAILURE_FATAL': 'no', 'IPV6_PEERROUTES': 'yes', 'IPV6_DEFROUTE': 'yes', 'ONBOOT': 'yes', 'IPV6INIT': 'yes'}, 'mtu': '1500', 'netmask': '', 'hwaddr': '00:25:64:f9:76:7e', 'speed': 0}} operatingSystem = {'release': '1', 'version': '18', 'name': 'Fedora'} packages2 = {'kernel': {'release': '204.fc18.x86_64', 'buildtime': 1358955869.0, 'version': '3.7.4'}, 'spice-server': {'release': '1.fc18', 'buildtime': 1356035501, 'version': '0.12.2'}, 'vdsm': {'release': '6.fc18', 'buildtime': 1359564723, 'version': '4.10.3'}, 'qemu-kvm': {'release': '2.fc18', 'buildtime': 1358351894, 'version': '1.2.2'}, 'libvirt': {'release': '3.fc18', 'buildtime': 1355788803, 'version': '0.10.2.2'}, 'qemu-img': {'release': '2.fc18', 'buildtime': 1358351894, 'version': '1.2.2'}, 'mom': {'release': '1.fc18', 'buildtime': 1349470214, 'version': '0.3.0'}} reservedMem = 321 software_revision = 6 software_version = 4.10 supportedENGINEs = ['3.0', '3.1'] supportedProtocols = ['2.2', '2.3'] uuid = 4C4C4544-0056-5910-8047-CAC04F4E344A version_name = Snow Man vlans = {} vmTypes = ['kvm'] (this time the host is the inended one... ;-) Gianluca

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[Users] Problems with upgrade to 3.3 nightly
by Gianluca Cecchi 03 Feb '13

03 Feb '13

Hello, passing from an all-in-one setup based on F18 and nightly: ovirt-engine-setup-plugin-allinone-3.2.0-1.20130125.git032a91f.fc18.noarch to the proposed new nightly I get these errors: [root@tekkaman ~]# engine-upgrade Checking for updates... (This may take several minutes)...[ DONE ] 9 Updates available: * ovirt-engine-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-backend-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-config-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-dbscripts-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-notification-service-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-restapi-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-tools-common-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-userportal-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch * ovirt-engine-webadmin-portal-3.3.0-0.1.20130201070537.20130201.git357cdaa.fc18.noarch During the upgrade process, oVirt Engine will not be accessible. All existing running virtual machines will continue but you will not be able to start or stop any new virtual machines during the process. Would you like to proceed? (yes|no): yes Stopping ovirt-engine service... [ DONE ] Stopping DB related services... [ DONE ] Starting DB related services... [ DONE ] Starting ovirt-engine service... [ DONE ] [Errno 8] Exec format error Error: Upgrade failed. please check log at /var/log/ovirt-engine/ovirt-engine-upgrade_2013_02_02_13_05_15.log Is this expected and I have to start from clean environment or should the upgrade go ok? engine-upgrade log here: https://docs.google.com/file/d/0BwoPbcrMv8mvU2ZYX3lOV2V3Tkk/edit?usp=sharing Gianluca

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[Users] 3.2 beta: how to add iscsi domain to a f18 host
by Gianluca Cecchi 02 Feb '13

02 Feb '13

Hello, having a fedora 18 system configured as a node and working with a local_storage DC/CLuster, I then created an iSCSI dc and cluster and moved there the host Then I configured a CentOS server as an iSCSI sw target. But in admin portal the host section remains greyed out and I can't proceed. I suspect I have to manually install/configure some prerequisites to have the host work as iSCSI initiator.... Is it true? What I have to do on host part (or engine part) if I have not a node iso but a standard fedora 18 system as hypervisor? Here what I see in new domain box: https://docs.google.com/file/d/0BwoPbcrMv8mvX281aWlMYUlzWXc/edit?usp=sharing Thanks, Gianluca

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[Users] Storage FC on ovirt 3.2 : /dev/dm* bad chown
by Kevin Maziere Aubry 01 Feb '13

01 Feb '13

Hi My environnement is Fedora18 / Ovirt 3.2 and VDSM vdsm-4.10.3-6.fc18.x86_64. I use a storage on fiber channel. When creating a VM the disk is created by ovirt. When starting the VM the disk has not the permission to be accessed by vdsm. In fact the device for the disk has root:disks as owner/group. Changing that by 36.36 permit the VM to start and work fine. But snapshots do not work, and a reboot cause udev to remap the disk to another /dev/dm-* device. My fedora18 has selinux disabled. On irc : <apuimedo> vdsm/storage/blockSD.py: cmd = [constants.EXT_CHOWN, "%s:%s" % <apuimedo> vdsm/storage/blockSD.py: self.log.error("failed to chown %s", masterDir) <apuimedo> vdsm/storage/fileUtils.py:def chown(path, user=-1, group=-1): <apuimedo> vdsm/storage/fileUtils.py: os.chown(path, uid, gid) <apuimedo> vdsm/storage/lvm.py: cmd = [constants.EXT_CHOWN, USER_GROUP, lv_path] Kevin Mazière Responsable Infrastructure Alter Way – Hosting 1 rue Royal - 227 Bureaux de la Colline 92213 Saint-Cloud Cedex Tél : +33 (0)1 41 16 38 41 Mob : +33 (0)7 62 55 57 05 http://www.alterway.fr

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[Users] Fwd: Re: 3.2 beta and f18 host on dell R815 problem
by Gianluca Cecchi 01 Feb '13

01 Feb '13

Find attach Putty.log=output of cpuid command Engine.log after patching and retry. No file under host-deploy, it gives syntax error >> > ---------- Forwarded message ---------- >> > From: Alon Bar-Lev <alonbl(a)redhat.com> >> > Date: Thu, Jan 31, 2013 at 1:48 PM >> > Subject: Re: [Users] 3.2 beta and f18 host on dell R815 problem >> > To: Gianluca Cecchi <gianluca.cecchi(a)gmail.com> >> > >> > >> > Sorry, had error. >> > >> > ----- Original Message ----- >> >> From: "Alon Bar-Lev" <alonbl(a)redhat.com> >> >> To: "Gianluca Cecchi" <gianluca.cecchi(a)gmail.com> >> >> Sent: Thursday, January 31, 2013 2:40:55 PM >> >> Subject: Re: [Users] 3.2 beta and f18 host on dell R815 problem >> >> >> >> Hi! >> >> >> >> Can you please try to replace the attach file at: >> >> /usr/share/ovirt-host-deploy/plugins/ovirt-host-deploy/vdsm/hardware.py >> >> >> >> Retry and send me the log? >> >> >> >> I added some more debug to see what went wrong. >> >> >> >> Thanks! >> >> Alon >> >> >> >> >> >> ----- Original Message ----- >> >> > From: "Gianluca Cecchi" <gianluca.cecchi(a)gmail.com> >> >> > To: "users" <users(a)ovirt.org> >> >> > Sent: Thursday, January 31, 2013 1:57:38 PM >> >> > Subject: Re: [Users] 3.2 beta and f18 host on dell R815 problem >> >> > >> >> > Output of command >> >> > # virsh capabilities >> >> > on this host >> >> > >> >> > https://docs.google.com/file/d/0BwoPbcrMv8mveG5OaVBZN1VENlU/edit >> >> > _______________________________________________ >> >> > Users mailing list >> >> > Users(a)ovirt.org >> >> > http://lists.ovirt.org/mailman/listinfo/users >> >> > >> >> > >

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