The new rdm disk hard disk 2 is now attached to the vm. Once you present the lun to your veeam backup proxy, you should see. So in the vm which is a windows 2003 guest has a 300gb disk. Powershell script to report on luns mapped to igroups. I guess i have to extend the lun before assigning more space and. If the disk in question is presented as a virtual rdm, use the san software to properly resize the lun.
As far as i know you do not support raw disk, so i tried to exclude the raw disk scsi 1. In guest os format it as ntfs and create backup repository on it. Vmware shared raw device mapped disk the tech l33t. Raw device mapping rdm is method to provide direct access to a lun on a iscsi or fibre channel storage system for a virtual machine. Get lun id of raw disk mappings with powercli pelicano. How do storage provisioning options impact virtual. Posted on december 10, 2015 updated on december 10, 2015. Oracle because they create a duplication of functionality. Raw device mapping characteristics an rdm is a special mapping file in a vmfs volume that manages metadata for its mapped device. I had a need to get the lun id of all of the raw disk mappings for a particular virtual machine running on vmware vsphere. For monitoring to replace esxtop with pretty gui and history, you can. Dont use vmware raw device mapping rdm for performance, but. One of the luns we have attached to a vm as a mapped raw lun which is about 300gb disk space.
Raw luns virtual not visible in veeam veeam software. Vms with either virtual or physical raw device mapping rdm are not. As best practice, before moving disks and luns be sure to have a full working backup. Performance of a vmfsbacked virtual disk compared to an rdm is. Find answers to iscsi drive mapped as raw lun now not available to windows backup please help from the expert community at experts exchange. This box has a vm with veeam backup and recovery installed and backs. Until now, raw disks were difficult to manage fo r systems administrators. The raw device mapped lun his fully assigned to this disk drive. Cleaning up the mapped rdm luns in the guest operating system and esx server. So, yes storage vmotion is supported for virtual rdms for both the rdm mapping file and the data disk i. A raw device mappi ng is effectively a symbolic link from a vmfs to a raw lun.
Solved mapped raw lun question virtualization spiceworks. Creating a raw device mapping rdm with vmware vsphere 5. Raw device mapping rdm is an option in the vsphere environment that enables a storage lun to be directly presented to a virtual machine from the storage array. If you plan to dedicate servers for veeam proxies, you must connect each proxy to the production storage. Raw device mapping rdm provides vms with the direct access to the lun. Cleaning up the mapped rdm luns in the guest operating. Dont use vmware raw device mapping rdm for performance.
You can use snapdrive to create fc, iscsi, or esx iscsi accessed rdm luns on a guest os. In this configuration, the veeam proxy is deployed in the veeam server. My home veeam free does indeed only read a few gb of data out of a 250gb drive, but the server one does not. Traditional lun cloning veeam backup guide for vsphere. Storage vmotion with rdms scotts weblog the weblog of. Large rdm lun backing up white space veeam community forums.
The backup is still taking the entire 1tb of space even though the. The mapping file is presented to the management software as an ordinary disk file, available for the usual filesystem operations. How to extend raw device mapped vmware drive hi all. Is there something i can do about it or is it a bug. Add raw device mapping in vmware aws azure vsphere. During the first run, the replication job calculates the differences between the original and mapped vm. I added the iscsi drive to the esxi host instead of using a software initiator inside of the sbs 2008 guest.
The file gives you some of the advantages of direct access to a physical device while keeping some advantages of a virtual disk in vmfs. One of the drives, the data drive, was setup as a physical raw mapped lun on the server so veeam is unable to back it up. In this topic, ill connect vmfs lun vmware to veeam server. In my previous article i shown adding and sharing rdm disk to multiple vms in vmware step by step, i received one related task to convert virtual machine rdm raw device. Heres how to determine which disk type makes most sense for your vmware infrastructure. Vmfs, rdm or iscsi as backup repository veeam community. The direct san access transport mode is recommended for vms whose disks are located on shared vmfs san luns that are connected to. One of the drives, the data drive, was setup as a physical raw mapped lun on the server so veeam is. Creatingadding a raw device mapping rdm to a virtual. So on the netapp we have to increase lun by 250 gb space. Exclude objects from backup job veeam backup guide for. The purpose of this configuration is to decrease the time for large sql.
If you want to go passthru you have to format this lun ntfs for veeam to actually see it. Rdms allow a special file in a vmfs volume to act as a proxy for a storage resource. These vmdks can be added to your virtual machine using the vsphere client in the normal way just tell it that they are existing virtual disks and it works out the rest. A raw device mapping rdm in physical mode on a production san. As a result, it merges vmfs manageability with raw. Reporter user guide predefined dashboards and reports predefined veeam one reports veeam backup assessment unmapped datastore luns unmapped datastore luns this report provides information about all detected shared datastores that are not mapped to any existing backup proxy. Snapshots can affect virtual machine performance and do not support some disk types or virtual machines configured with bus sharing. How to convert rdm disk raw device mapping to vmdk. Scotts weblog the weblog of an it pro focusing on cloud computing, kubernetes, linux, containers, and networking. No vmotion with physical mode rdms when any clustering software is used. Im not interested in san storage replication software its very. So heres what ive inherited an hp msa 2000 storage works and 2 vmware servers one running 5.
You can specify disk processing settings granularly for every vm in the job or for the whole vm container. Discussion in vmware, virtualbox, citrix started by briandm81, feb 27. Changing physical raw mapped lun to virtual for veeam. All storage is presented to the guest as mapped raw luns in. Reporter user guide predefined dashboards and reports predefined veeam one reports veeam backup assessment unmapped datastore luns unmapped datastore luns this. A raw device rdm is added to bk01 to mount a synology lun in the. Traditional lun clones are created with the help of a backing snapshot. After you have added vms and vm containers to the job, you can specify which objects you want to exclude from the backup. A raw disk mapping rdm can be used to present a lun directly to a virtual machine from a san. The logical unit number, or lun, that is a candidate for an rdm is attached to an individual vm. Veeam availability orchestrator configure a failover plan pt.
An rdm itself is a mapping file in a separate vmfs volume that acts as a proxy for raw physical. Hi, ive just started using veeam 5 and ive run into an issue with one of our servers. You can also use replica mapping if you need to reconfigure or recreate replication jobs, for example, split one replication job into several jobs. Home lab backup strategy servethehome and servethe. Raw device mapping rdm with vmware vsphere 5 youtube.
Vmware esx virtual machines use three disk types for file storage. Replication to a mapped vm is performed in the following way. One decision point is whether or not to use raw device mappings or rdms. Problem to exclude disk raw from backup veeam software. If datastores or virtual raw device mapping vrdm luns are connected via shared storage using fibre channel, fcoe or iscsi, you may add a backup proxy. Manage paths for a mapped raw lun vmware docs home. This covers qlogic fibre switch zoning techniques, removing a vmfs datastore and replacing it with a raw device. Veeam setup backup job for attached iscsi lun spiceworks. Log in as administrator or as the owner of the virtual machine to which the mapped disk belongs. Rather than creating a virtual disk vmdk on a lun, which is generally shared with other. Moving an existing rdm from one virtual machine to another some steps are required to avoid data loss and to keep the disk configuration. You will find the entire rdm mapped entry as mapped raw lun for every rdm entry.