Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines, wherein the VFS is configured to detect a failure of one of the FSVMs on a first one of the host machines, wherein the first host machine is located within a first block of host machines. The VFS may then identify a failover path to a second FSVM. For each storage resource associated with the first FSVM, the VFS may migrate the storage resource to the second FSVM.

Abstract: Particular embodiments provide a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, and a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks. A distributed health monitoring service (HMS) may be running on each of the host machines running a FSVM. The HMS may monitor the FSVMs to determine whether any of the FSVMs has failed or is having problems. The HMS may detect that a plurality of the FSVMs have failed, wherein the failed FSVMs form a portion of the FSVMs comprising the VFS. For each of the failed FSVMs, the HMS may reassign an IP address corresponding to the failed FSVM to a live one of the FSVMs.

Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines, and a backup system configured to, in response to a request to access a data item, determine an access frequency for the data item. The backup system is further configured to, in response a request to store a data item, determine a storage tier at which the data item is to be stored in a cloud storage service, wherein the tier is determined based on the access frequency associated with the data item, and store the data item at the determined tier of the cloud storage service.

Abstract: Particular embodiments provide a system for managing a virtualization environment, the system comprising a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, and a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and the host machines form a cluster. A health monitoring service may monitor the FSVMs to determine whether any of the FSVMs has failed or is having problems. If the health monitoring service detects a failure of one of the FSVMs on a first one of the host machines, for each resource lock associated with the first FSVM, the health monitoring service may reassign the resource lock to another one of the FSVMs.

Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines, wherein the VFS is configured to detect a failure of one of the FSVMs on a first one of the host machines, wherein the first host machine is located within a first block of host machines. The VFS may then identify a failover path to a second FSVM. For each storage resource associated with the first FSVM, the VFS may migrate the storage resource to the second FSVM.

Abstract: Particular embodiments provide a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, and a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks. A distributed health monitoring service (HMS) may be running on each of the host machines running a FSVM. The HMS may monitor the FSVMs to determine whether any of the FSVMs has failed or is having problems. The HMS may detect that a plurality of the FSVMs have failed, wherein the failed FSVMs form a portion of the FSVMs comprising the VFS. For each of the failed FSVMs, the HMS may reassign an IP address corresponding to the failed FSVM to a live one of the FSVMs.

Abstract: Particular embodiments provide a system for managing a virtualization environment, the system comprising a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, and a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and the host machines form a cluster. A health monitoring service may monitor the FSVMs to determine whether any of the FSVMs has failed or is having problems. If the health monitoring service detects a failure of one of the FSVMs on a first one of the host machines, for each resource lock associated with the first FSVM, the health monitoring service may reassign the resource lock to another one of the FSVMs.

Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server backup system configured to back up data stored in a VFS located a cluster of host machines to an object store, and retrieve the backed-up data as needed to restore the data in the VFS. The object store may be located in a public cloud. The object store may include a low-cost storage medium within the cluster. An FSVM of the VFS may provide an object store interface to low-cost storage media.

Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a first virtualized file server configured to receive a request to access a storage item located at a second virtualized file server, determine that the storage item is designated as being accessible by other virtualized file servers, identify an FSVM of the second virtualized file server at which the storage item is located, and forward the request to the FSVM of the second virtualized file server. The storage item may be designated as being accessible by other virtualized file servers when the storage item is associated with a predetermined tag value indicating that the storage item is shared among virtualized file servers. The predetermined tag value may be stored in a sharding map in association with the storage item.

Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server backup system configured to back up data stored in a VFS located a cluster of host machines to an object store, and retrieve the backed-up data as needed to restore the data in the VFS. The object store may be located in a public cloud. The object store may include a low-cost storage medium within the cluster. An FSVM of the VFS may provide an object store interface to low-cost storage media.

Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a first virtualized file server configured to receive a request to access a storage item located at a second virtualized file server, determine that the storage item is designated as being accessible by other virtualized file servers, identify an FSVM of the second virtualized file server at which the storage item is located, and forward the request to the FSVM of the second virtualized file server. The storage item may be designated as being accessible by other virtualized file servers when the storage item is associated with a predetermined tag value indicating that the storage item is shared among virtualized file servers. The predetermined tag value may be stored in a sharding map in association with the storage item.

Abstract: Examples of systems described herein include a virtualized file server including a first file server virtual machine and a second file server virtual machine configured to manage a distributed file share of storage items. The second file server virtual machine is configured to manage a particular storage item of the distributed file share of storage items. The first file server virtual machine is configured to, in response to receipt of a referral request for a file share path for the particular storage item from a client, look up a file share path for the particular storage item in a map of at least a portion of the distributed file share of storage items, and provide a referral with the file share path that identifies the second file server virtual machine.

Abstract: Examples of systems described herein include a file server virtual machine of a virtualized file server configured to manage storage of a plurality of storage items. The file server virtual machine including a file system configured to receive an access request directed to a storage item of the plurality of storage items and associated with a user. The file system is further configured to retrieve an access control list having permissions information associated with the storage item, and to cache a permissions profile for the user including all permissions pertaining to the user for the storage item. The file system is further configured to determine whether the access request is permissible based on the cached permissions profile.

Abstract: Examples described herein include virtualized file servers which may include load balancing. For example, a recommendation engine may estimate a load associated with each of a plurality of file server virtual machines in a cluster. Based on the load, the recommendation engine may recommend changing ownership of one or more volume groups, scaling up the virtualized file server, scaling down the virtualized file server, scaling in the virtualized file server, scaling out the virtualized file server, or combinations thereof.

Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a data migration system configured to identify one or more existing storage items stored at one or more existing File Server Virtual Machines (FSVMs) of an existing virtualized file server (VFS). For each of the existing storage items, the data migration system is configured to identify a new FSVMs of a new VFS based on the existing FSVM, send a representation of the storage item from the existing FSVM to the new FSVM, such that representations of storage items are sent between different pairs of FSVMs in parallel, and store a new storage item at the new FSVM, such that the new storage item is based on the representation of the existing storage item received by the new FSVM.

Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a virtualized file server backup system configured to identify backup data, wherein the backup data comprises data stored on the virtual disks and VFS configuration information, and the first data is identified in accordance with a backup policy, send the backup data to one or more remote sites for storage, and, in response to detection of changes in the backup data, send the changes to the remote sites in accordance with a replication policy. The backup data may be identified based on a protection domain associated with the backup policy. The data stored on the VFS may include one or more storage objects. The storage objects may include shares, groups of shares, files, or directories.

Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a file server splitting system configured to split an existing virtualized file server (VFS) into a set of new virtualized file servers (VFSs), the splitting system configured to select one or more existing file server virtual machines (FSVMs) to be removed from the existing VFS. For each existing FSVM, the splitting system is configured to identify an available FSVM that is separate from the existing VFS, provide resources of the existing FSVM to the available FSVM, incorporate the available FSVM into one of the new VFSs, and remove the existing FSVM from the existing VFS. The splitting system may be further configured to re-direct requests to access storage items served by the existing FSVM to the available FSVM.

Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server self-healing system configured to identify one or more corrupt units of stored data at one or more levels of a storage hierarchy associated with the storage devices, wherein the levels comprise one or more of file level, filesystem level, and storage level, and when data corruption is detected, cause each FSVM on which at least a portion of the unit of stored data is located to recover the unit of stored data.

Abstract: Particular embodiments provide a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, and a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks. A distributed health monitoring service (HMS) may be running on each of the host machines running a FSVM. The HMS may monitor the FSVMs to determine whether any of the FSVMs has failed or is having problems. The HMS may detect that a plurality of the FSVMs have failed, wherein the failed FSVMs form a portion of the FSVMs comprising the VFS. For each of the failed FSVMs, the HMS may reassign an IP address corresponding to the failed FSVM to a live one of the FSVMs.

Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server backup system configured to back up data stored in a VFS located a cluster of host machines to an object store, and retrieve the backed-up data as needed to restore the data in the VFS. The object store may be located in a public cloud. The object store may include a low-cost storage medium within the cluster. An FSVM of the VFS may provide an object store interface to low-cost storage media.