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US20140325170 Conversion of Virtual Disk Snapshots Between Redo and Copy-on-Write Technologies  
A framework for converting between copy-on-write (COW) and redo-based technologies is disclosed. To take a virtual disk snapshot, disk descriptor files, which include metadata information about...
US20140229697 ONLINE VIRTUAL MACHINE DISK MIGRATION  
A method for migrating a virtual machine disk (VM disk) from first physical storage to second physical storage while the virtual machine (VM) is running, the method comprising: (a) creating a...
US20110246984 STORAGE OPTIMIZATION SELECTION WITHIN A VIRTUALIZATION ENVIRONMENT  
Storage optimization selection for virtual disks of a virtualization environment, where the storage optimization can be selected based in part on the disk type of a virtual disk included in a...
US20120278573 ONLINE VIRTUAL MACHINE DISK MIGRATION  
A method for migrating a virtual machine disk (VM disk) from first physical storage to second physical storage while the virtual machine (VM) is running, the method comprising: (a) taking a...
US20140156957 LIVE SNAPSHOTS OF MULTIPLE VIRTUAL DISKS  
A system and method are disclosed for servicing requests to create live snapshots of a plurality of virtual disks in a virtualized environment. In accordance with one example, a computer system...
US20120084521 Managing Snapshots of Virtual Server  
Configuration information and a system log are acquired for each of virtual servers running on an external computer, and the acquired system logs are analyzed. Relation information on the relation...
US20110296128 RETAINING DISK IDENTIFICATION IN OPERATING SYSTEM ENVIRONMENT AFTER A HARDWARE-DRIVEN SNAPSHOT RESTORE FROM A SNAPSHOT-LUN CREATED USING SOFTWARE-DRIVEN SNAPSHOT ARCHITECTURE  
A program, method and system are disclosed for managing a snapshot backup restore through a hardware snapshot interface, i.e. a hardware-driven snapshot restore, based upon a software-driven...
US20120131291 APPLICATION AWARE SNAPSHOTS  
A method of creating an application aware snapshot comprises a host system receiving a request for a snapshot, and the host system sending a SCSI snapshot command directly to a disk controller...
US20140122819 VIRTUAL DISK MANIPULATION OPERATIONS  
Described is a technology by which a virtual hard disk is able to continue servicing virtual disk I/O (reads and writes) while a meta-operation (e.g., copying, moving, deleting, merging,...
US20110197022 Virtual Disk Manipulation Operations  
Described is a technology by which a virtual hard disk is able to continue servicing virtual disk I/O (reads and writes) while a meta-operation (e.g., copying, moving, deleting, merging,...
US20150019827 GENERATING AND USING CHECKPOINTS IN A VIRTUAL COMPUTER SYSTEM  
To generate a checkpoint for a virtual machine (VM), first, while the VM is still running, a copy-on-write (COW) disk file is created pointing to a parent disk file that the VM is using. Next, the...
US20130097398 GENERATING AND USING CHECKPOINTS IN A VIRTUAL COMPUTER SYSTEM  
To generate a checkpoint for a virtual machine (VM), first, while the VM is still running, a copy-on-write (COW) disk file is created pointing to a parent disk file that the VM is using. Next, the...
US20130042084 LOOSE SYNCHRONIZATION OF VIRTUAL DISKS  
In order to synchronize copies of a virtual disk, a virtualization layer maintains a first record of file system blocks of a first copy of the virtual disk that are modified during an access...
US20140208012 VIRTUAL DISK REPLICATION USING LOG FILES  
Techniques involving replication of virtual machines at a target site are described. One representative technique includes an apparatus including a virtual machine configured to provide storage...
US20150089172 COMPOSING A VIRTUAL DISK USING APPLICATION DELTA DISK IMAGES  
According to a system and method, for composing a virtual disk for a virtual desktop, the virtual desktop is booted from a virtual disk comprised of a base disk image and a user delta disk image...
US20150227321 MANAGING VIRTUAL HARD DISK SNAPSHOTS  
A method, system or computer usable program product for managing virtual disk snapshots including utilizing a processor to create multiple disk containers containing multiple snapshots on a host...
US20140195753 MANAGING VIRTUAL HARD DISK SNAPSHOTS  
A method, system or computer usable program product for managing virtual disk snapshots including utilizing a processor to create multiple disk containers containing multiple snapshots on a host...
US20140365740 Virtual Machine Backup from Storage Snapshot  
Disclosed herein are system, method, and computer program product embodiments for virtual machine (VM) backup from a storage snapshot. An embodiment operates by receiving selective backup...
US20150248333 ENABLING DISK IMAGE OPERATIONS IN CONJUNCTION WITH SNAPSHOT LOCKING  
Systems and methods for enabling disk image operations in conjunction with snapshot locking. An example method may include: attaching a first snapshot to a first virtual machine the first snapshot...
US20150113239 Creation and Management of Logical Volume Snapshots Under Hierarchical Storage System  
The method of the present invention includes the steps of: receiving a command for creating a snapshot of the logical volume; preparing a management table for managing the snapshot; detecting the...
US20150113238 Creation and Management of Logical Volume Snapshots Under Hierarchical Storage System  
The method of the present invention includes the steps of: receiving a command for creating a snapshot of the logical volume; preparing a management table for managing the snapshot; detecting the...
US20120226879 FLASHCOPY HANDLING  
A technique for handling a FlashCopy® process includes receiving a FlashCopy® instruction for a source disk, performing a FlashCopy® point in time copy of the source disk on to a target disk,...
US20110208932 FLASHCOPY HANDLING  
A technique for handling a FlashCopy® process includes receiving a FlashCopy® instruction for a source disk, performing a FlashCopy® point in time copy of the source disk on to a target disk,...
US20140156955 USAGE OF SNAPSHOTS PREPARED BY A DIFFERENT HOST  
A system and method are disclosed for preparing and using snapshots in a virtualized environment. In accordance with one example, a first computer system prepares, in an area of a storage device,...
US20120060005 TECHNIQUES FOR COPYING ON WRITE  
Techniques for copying on write are provided. Snapshots are managed and maintained for a source volume via sparse files. Metadata defines the sparse files and operations of a file system are used...
US20130073819 EFFICIENT FILE SYSTEM METADATA SCANNING USING SCOPED SNAPSHOTS  
Volumes of a file system remain online, and thus available for use, while being proactively error scanned for corruptions thereon. A snapshot of each volume being proactively error scanned is...
US20130275673 METHOD AND SYSTEM FOR VOLUME BASED SNAPSHOT RESTORE  
Method and system is provided to perform a plurality of checks before performing a volume based snapshot restore (“VBSR”) operation. The checks may be performed by an application executed at a...
US20130111163 Multiple Computing Environments On A Computer System  
A first and a second computing environments are generated on a computer system based on a state of a logical storage unit of the computer system. The computing environments are associated with...
US20120084626 System and Method for Adding a Storage Device to a Cluster as a Shared Resource  
A system and method are described for adding a disk to a cluster as a shared resource. In one embodiment, a request is received to add a disk to a cluster as a shared disk resource. The disk may...
US20130132691 APPROACHES FOR EFFICIENT PHYSICAL TO VIRTUAL DISK CONVERSION  
Approaches for providing a guest operating system to a virtual machine. A read-only copy of one or more disk volumes, including a boot volume, is created. A copy of a master boot record (MBR) for...
US20140325283 SYSTEMS AND METHODS PROVIDING MOUNT CATALOGS FOR RAPID VOLUME MOUNT  
Systems and methods which provide mount catalogs to facilitate rapid volume mount are shown. A mount catalog of embodiments may be provided for each aggregate containing volumes to be mounted by a...
US20100287346 METHOD AND SYSTEM FOR MANAGING LARGE WRITE-ONCE TABLES IN SHADOW PAGE DATABASES  
Methods and systems for managing large write-once tables are described. In some embodiments, a relational database management system includes a space allocation module that utilizes both a logical...
US20110225596 METHODS AND SYSTEMS FOR AUTHORIZING AN EFFECTOR COMMAND IN AN INTEGRATED MODULAR ENVIRONMENT  
Methods and systems are provided for authorizing a command of an integrated modular environment in which a plurality of partitions control actions of a plurality of effectors is provided. A first...
US20140040572 REQUEST ORDERING SUPPORT WHEN SWITCHING VIRTUAL DISK REPLICATION LOGS  
Storage access requests, such as write requests, are received from a virtual machine. A storage request processing module updates one of multiple virtual disks as directed by each of the storage...
US20120290805 CLUSTER FAMILIES FOR CLUSTER SELECTION AND COOPERATIVE REPLICATION  
An apparatus, system, and method are disclosed for cooperative replication of multiple clusters. A copy request to copy a volume into a first cluster is received. A determination is made whether...
US20060136688 Redundant SAS storage virtualization subsystem and system using the same, and method therefor  
A redundant external storage virtualization computer system. The redundant storage virtualization computer system includes a host entity for issuing an IO request, a redundant external SAS storage...
US20110258379 METHOD AND APPARATUS TO MANAGE TIER INFORMATION  
A method of tier management of data comprises performing a tier migration log information setup process which includes selecting an area specified by a virtual volume address and a logical volume...
US20140365739 NON-DISRUPTIVE MODIFICATION OF A DEVICE MAPPER STACK  
Embodiments relate to non-disruptive modification of a device mapper stack. Aspects include receiving the device mapper stack comprising a first device mapper layer having an active mapping table...
US20140344540 CLUSTER FAMILIES FOR CLUSTER SELECTION AND COOPERATIVE REPLICATION  
Cluster families for cluster selection and cooperative replication are created. The clusters are grouped into family members of a cluster family base on their relationships and roles. Members of...
US20110138383 Space Efficient Virtual Machines  
A method and a system of making a virtual machine space efficient are disclosed. The virtual machine includes a virtual disk. The method includes creating a temporary virtual disk and adding the...
US20110010515 BACKUP OF VIRTUAL MACHINES USING CLONED VIRTUAL MACHINES  
A system and method for creating a backup of a virtual machine running on a host computer is described herein. The system and method operate by creating a copy or “clone” of a virtual machine...
US20050203972 Data synchronization for two data mirrors  
A data synchronization method (for a redundant data storage arrangement in which there are at least a primary storage entity and mirroring first and second remote storage entities in communication...
US20130219139 METHODS AND SYSTEMS FOR MAINTAINING A STORAGE VOLUME WITH HOLES AND FILLING HOLES  
In one embodiment, a method for managing access to a fast non-volatile storage device, such as a solid state device, and a slower non-volatile storage device, such as a magnetic hard drive, can...
US20110078494 MANAGEMENT METHOD AND SYSTEM FOR MANAGING REPLICATION BY TAKING INTO ACCOUNT CLUSTER  
A management system, which manages a host computer and a storage system, holds cluster information, specifies an active-state host computer and an inactive-state host computer based on a backup...
US20110107425 APPARATUS AND METHOD FOR PERFORMING VIRUS SCAN IN PORTABLE TERMINAL  
An apparatus and method are provided in which, in order to avoid a situation where a vaccine installed in a portable terminal is damaged by a virus and thus a virus scan process cannot be normally...
US20150058583 SYSTEM AND METHOD FOR IMPROVED PLACEMENT OF BLOCKS IN A DEDUPLICATION-ERASURE CODE ENVIRONMENT  
In one embodiment, a method includes receiving a block set comprising one or more blocks; generating a hash value for each block in the block set; determining whether physical blocks stored on...
US20110218967 Partial Block Based Backups  
A block based backup system may perform several partial backups to incrementally transfer backup information to a backup system. Each partial backup may build on the previous backup and the...
US20130282998 BACKUP SYSTEM AND BACKUP METHOD  
A backup system and backup method with which the processing time can be shortened without increasing the overhead and burden on the system administrator in a two-stage backup. In a backup system...
US20110246714 MIGRATING CLIENT OPERATING SYSTEMS TO REMOTE STORAGE  
Embodiments generally provide a utility for migrating an existing user operating system to a remote storage device. A utility for migrating user operating systems according to embodiments...
US20140258657 SYSTEM AND METHOD FOR MANAGING STORAGE SYSTEM SNAPSHOTS  
A method of managing snapshots on a storage system includes a storage controller (1) receiving a request to store a first snapshot associated with a first volume among a plurality of volumes on...