Re: [Users] [node-devel] help
On 05/21/2013 03:09 PM, Mike Burns wrote: moving this to the users list (bcc node-devel to end the thread there) On 05/20/2013 10:06 PM, 杨济铭 wrote: hello,ovirt I have something to ask,how to create new users for ovirt engine? 2013-May-21, 10:01:01Failed to run VM vm01 (User: admin@internal).4a19395b 2013-May-21, 10:01:01Failed to run VM vm01 on Host node03. 4a19395b 2013-May-21, 10:01:01VM vm01 is down. Exit message: internal error client socket is closed. How to solve this?Thank you! ___ node-devel mailing list node-de...@ovirt.org http://lists.ovirt.org/mailman/listinfo/node-devel ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users attach vdsm logs please ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] [node-devel] help
moving this to the users list (bcc node-devel to end the thread there) On 05/20/2013 10:06 PM, 杨济铭 wrote: hello,ovirt I have something to ask,how to create new users for ovirt engine? 2013-May-21, 10:01:01Failed to run VM vm01 (User: admin@internal).4a19395b 2013-May-21, 10:01:01Failed to run VM vm01 on Host node03.4a19395b 2013-May-21, 10:01:01VM vm01 is down. Exit message: internal error client socket is closed. How to solve this?Thank you! ___ node-devel mailing list node-de...@ovirt.org http://lists.ovirt.org/mailman/listinfo/node-devel ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM
On 09/06/2012 09:47 AM, Sanglikar, Amol (Serviceguard) wrote: Hi All, Thanks for all your responses. 1/ we are using FC setup and not iSCSI. SO using SCSI is not an option for us right now. 2/ Yes you are correct NPIV will give us VHBA , but is it supported on guests as of now , both in case of RHEL6.2+ KVM and RHEV 3.0 ? If they have VHBA support then pass through helps me reach the LUNs and have SCSI PR working. 3/ Also does RHEV 3.0 support direct LUN access ? What I got to read from redhat docs is as follows. latest "BETA" release of RHEV 3.1 seems to be only having direct LUN access. http://www.redhat.com/about/news/archive/2012/8/red-hat-delivers-first-beta-for-red-hate-enterprise-virtualization-3-1 ovirt (and rhev) 3.0 have direct lun as a custom hook. ovirt (and rhev) 3.1 have direct lun as a full blown feature New virtual machine storage features including hotplug support and direct LUN access SO I guess only option I have os to wait for RHEV 3.1 ? or use the directlun custom hook with 3.0 as a temporary solution: http://gerrit.ovirt.org/gitweb?p=vdsm.git;a=tree;f=vdsm_hooks; Again Thanks a lot for answering my queries. Thanks & Regards, -Amol -Original Message- From: Johan Kragsterman [mailto:johan.kragster...@capvert.se] Sent: Thursday, August 30, 2012 12:46 PM To: Itamar Heim Cc: Sanglikar, Amol (Serviceguard); David Jaša; users@ovirt.org Subject: Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM Hi! I don't think this is an oVirt discussion, but I can respond anyway, since the storage part of oVirt, imho, is a bit after in development, or has a strategy I don't really understand, perhaps. Maybe oVirt storage development strategy is hard tied to gluster? You don't tell us about the storage backend you got? If you got FC you can create an NPIV on the RHEL 6.2 host. I don't think(unsupported so far...) you can create NPIV on oVirt node or RHEL-V node, but I'm not sure about the latter... NPIV will give you the raw LUN directly to a VHBA, but I am not sure the oVirt/KVM VM can use it the VHBA...? Or as Itamar writes, you can always use iScsi Rgrds Johan -users-boun...@ovirt.org wrote: - To: users@ovirt.org, "Sanglikar, Amol \(Serviceguard\)" From: Itamar Heim Sent by: users-boun...@ovirt.org Date: 2012.08.29 13:53 Cc: David Jaša Subject: Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM On 08/29/2012 12:34 PM, David Jaša wrote: (moving to users@, node-devel is definitely a wrong list but I'm not sure about a correct one) hi Amol, Sanglikar, Amol (Serviceguard) píše v Pá 24. 08. 2012 v 10:20 +: Hi Ovirt dev-Community, We have a host running RHEL 6.2 + KVM , and created 2 Virtual machines on the host which are running RHEL6.2. We are trying to configure shared storage for 2 VMs. This shared storage on VMs should understand the SCSI requests. IIRC, if you need to pass through SCSI requests from the VM to the underlying block device, you need virtio-scsi qemu device that is included in RHEL as a tech-preview since 6.3 - again IIRC. not sure this is about ovirt at all? why not iscsi from guests to storage directly? The reason for this requirement is that we would be using SCSI-3 PR (persistent reservation ) utils, which is sg3_utils to register / reserve on the storage/disks. We believe that exposing the raw LUNs from host to VMs as shared storage (which is same as RDM - Raw Device Mapping in VMware ESX environment ) would meet our above stated requirement. So can you please help us understand the following 1/ How to expose the Raw LUNs , from host ( RHEL 6.2 + KVM ) to Virtual machines which are running RHEK 6.2. You should create a shared disk but you can't get it really raw in terms of scsi commands unless you switch to virtio-scsi. It is raw in a sense of not using intermediate layers like qcow2 on top of the LUN. David 2/ Also , if there is any alternate way to achieve the above requirement in RHEL + KVM environment, apart from the mechanism we stated , please let us know. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM
Hi All, Thanks for all your responses. 1/ we are using FC setup and not iSCSI. SO using SCSI is not an option for us right now. 2/ Yes you are correct NPIV will give us VHBA , but is it supported on guests as of now , both in case of RHEL6.2+ KVM and RHEV 3.0 ? If they have VHBA support then pass through helps me reach the LUNs and have SCSI PR working. 3/ Also does RHEV 3.0 support direct LUN access ? What I got to read from redhat docs is as follows. latest "BETA" release of RHEV 3.1 seems to be only having direct LUN access. http://www.redhat.com/about/news/archive/2012/8/red-hat-delivers-first-beta-for-red-hate-enterprise-virtualization-3-1 New virtual machine storage features including hotplug support and direct LUN access SO I guess only option I have os to wait for RHEV 3.1 ? Again Thanks a lot for answering my queries. Thanks & Regards, -Amol -Original Message- From: Johan Kragsterman [mailto:johan.kragster...@capvert.se] Sent: Thursday, August 30, 2012 12:46 PM To: Itamar Heim Cc: Sanglikar, Amol (Serviceguard); David Jaša; users@ovirt.org Subject: Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM Hi! I don't think this is an oVirt discussion, but I can respond anyway, since the storage part of oVirt, imho, is a bit after in development, or has a strategy I don't really understand, perhaps. Maybe oVirt storage development strategy is hard tied to gluster? You don't tell us about the storage backend you got? If you got FC you can create an NPIV on the RHEL 6.2 host. I don't think(unsupported so far...) you can create NPIV on oVirt node or RHEL-V node, but I'm not sure about the latter... NPIV will give you the raw LUN directly to a VHBA, but I am not sure the oVirt/KVM VM can use it the VHBA...? Or as Itamar writes, you can always use iScsi Rgrds Johan -users-boun...@ovirt.org wrote: - To: users@ovirt.org, "Sanglikar, Amol \(Serviceguard\)" From: Itamar Heim Sent by: users-boun...@ovirt.org Date: 2012.08.29 13:53 Cc: David Jaša Subject: Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM On 08/29/2012 12:34 PM, David Jaša wrote: > (moving to users@, node-devel is definitely a wrong list but I'm not > sure about a correct one) > > hi Amol, > > Sanglikar, Amol (Serviceguard) píše v Pá 24. 08. 2012 v 10:20 +: >> Hi Ovirt dev-Community, >> >> >> >> We have a host running RHEL 6.2 + KVM , and created 2 Virtual machines >> on the host which are running RHEL6.2. >> >> >> >> We are trying to configure shared storage for 2 VMs. This shared >> storage on VMs should understand the SCSI requests. > > IIRC, if you need to pass through SCSI requests from the VM to the > underlying block device, you need virtio-scsi qemu device that is > included in RHEL as a tech-preview since 6.3 - again IIRC. not sure this is about ovirt at all? why not iscsi from guests to storage directly? > >> The reason for this requirement is that we would be using SCSI-3 PR >> (persistent reservation ) utils, which is sg3_utils to register / >> reserve on the storage/disks. >> >> >> >> We believe that exposing the raw LUNs from host to VMs as shared >> storage (which is same as RDM - Raw Device Mapping in VMware ESX >> environment ) would meet our above stated requirement. >> >> >> >> So can you please help us understand the following >> >> >> >> 1/ How to expose the Raw LUNs , from host ( RHEL 6.2 + KVM ) to >> Virtual machines which are running RHEK 6.2. >> > > You should create a shared disk but you can't get it really raw in terms > of scsi commands unless you switch to virtio-scsi. It is raw in a sense > of not using intermediate layers like qcow2 on top of the LUN. > > David > >> 2/ Also , if there is any alternate way to achieve the above >> requirement in RHEL + KVM environment, apart from the mechanism we >> stated , please let us know. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM
On 08/29/2012 12:34 PM, David Jaša wrote: (moving to users@, node-devel is definitely a wrong list but I'm not sure about a correct one) hi Amol, Sanglikar, Amol (Serviceguard) píše v Pá 24. 08. 2012 v 10:20 +: Hi Ovirt dev-Community, We have a host running RHEL 6.2 + KVM , and created 2 Virtual machines on the host which are running RHEL6.2. We are trying to configure shared storage for 2 VMs. This shared storage on VMs should understand the SCSI requests. IIRC, if you need to pass through SCSI requests from the VM to the underlying block device, you need virtio-scsi qemu device that is included in RHEL as a tech-preview since 6.3 - again IIRC. not sure this is about ovirt at all? why not iscsi from guests to storage directly? The reason for this requirement is that we would be using SCSI-3 PR (persistent reservation ) utils, which is sg3_utils to register / reserve on the storage/disks. We believe that exposing the raw LUNs from host to VMs as shared storage (which is same as RDM - Raw Device Mapping in VMware ESX environment ) would meet our above stated requirement. So can you please help us understand the following 1/ How to expose the Raw LUNs , from host ( RHEL 6.2 + KVM ) to Virtual machines which are running RHEK 6.2. You should create a shared disk but you can't get it really raw in terms of scsi commands unless you switch to virtio-scsi. It is raw in a sense of not using intermediate layers like qcow2 on top of the LUN. David 2/ Also , if there is any alternate way to achieve the above requirement in RHEL + KVM environment, apart from the mechanism we stated , please let us know. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [Users] [node-devel] Help required to configure shared storage on RHEL+KVM
(moving to users@, node-devel is definitely a wrong list but I'm not sure about a correct one) hi Amol, Sanglikar, Amol (Serviceguard) píše v Pá 24. 08. 2012 v 10:20 +: > Hi Ovirt dev-Community, > > > > We have a host running RHEL 6.2 + KVM , and created 2 Virtual machines > on the host which are running RHEL6.2. > > > > We are trying to configure shared storage for 2 VMs. This shared > storage on VMs should understand the SCSI requests. IIRC, if you need to pass through SCSI requests from the VM to the underlying block device, you need virtio-scsi qemu device that is included in RHEL as a tech-preview since 6.3 - again IIRC. > The reason for this requirement is that we would be using SCSI-3 PR > (persistent reservation ) utils, which is sg3_utils to register / > reserve on the storage/disks. > > > > We believe that exposing the raw LUNs from host to VMs as shared > storage (which is same as RDM - Raw Device Mapping in VMware ESX > environment ) would meet our above stated requirement. > > > > So can you please help us understand the following > > > > 1/ How to expose the Raw LUNs , from host ( RHEL 6.2 + KVM ) to > Virtual machines which are running RHEK 6.2. > You should create a shared disk but you can't get it really raw in terms of scsi commands unless you switch to virtio-scsi. It is raw in a sense of not using intermediate layers like qcow2 on top of the LUN. David > 2/ Also , if there is any alternate way to achieve the above > requirement in RHEL + KVM environment, apart from the mechanism we > stated , please let us know. > > > > > > Thanks & Regards, > > -Amol > > > > > > > > > > > > > ___ > node-devel mailing list > node-de...@ovirt.org > http://lists.ovirt.org/mailman/listinfo/node-devel -- David Jaša, RHCE SPICE QE based in Brno GPG Key: 22C33E24 Fingerprint: 513A 060B D1B4 2A72 7F0D 0278 B125 CD00 22C3 3E24 ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
