hierarchical storage management

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Page 1: Hierarchical storage management

• hierarchical storage management

https://store.theartofservice.com/the-hierarchical-storage-management-toolkit.html

Page 2: Hierarchical storage management

Computer data storage - Robotic storage

1 Robotic storage is used for backups, and for high-capacity archives in

imaging, medical, and video industries. Hierarchical storage management is a most known

archiving strategy of automatically migrating long-unused files from fast

hard disk storage to libraries or jukeboxes. If the files are needed, they are retrieved back to disk.

https://store.theartofservice.com/the-hierarchical-storage-management-toolkit.html

Page 3: Hierarchical storage management

Hierarchical storage management

1 Hierarchical storage management (HSM) is a data storage technique, which automatically moves data between high-cost and low-cost

storage media

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Page 4: Hierarchical storage management

Digital asset management

1 hierarchical storage management [HSM]) the more it can be treated as a general blob (binary large object)

that is typically held in the filesystem, not the database

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Page 5: Hierarchical storage management

Windows 2000 - NTFS 3.0

1 Reparse points are used to implement Volume Mount Point|

volume mount points, NTFS junction point|junctions, Hierarchical Storage

Management, Native Structured storage|Structured Storage and

Single Instance Storage

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Page 6: Hierarchical storage management

Windows 2000 - Server family features

1 * Hierarchical Storage Management support including remote storage, a

service that runs with NTFS and automatically transfers files that are

not used for some time to less expensive storage media

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Page 7: Hierarchical storage management

QFS

1 'QFS' ('Q'uick 'F'ile 'S'ystem) is an open source filesystem from Sun

Microsystems. It is tightly integrated with SAM, the Storage and Archive

Manager, and hence is often referred to as SAM-QFS. SAM provides the

functionality of a Hierarchical Storage Management|Hierarchical

Storage Manager.

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Page 8: Hierarchical storage management

Lustre (file system) - Release history

1 Lustre 2.5, released in October 2013, added the highly anticipated feature,

Hierarchical Storage Management (HSM). A core requirement in enterprise

environments, HSM allows customers to easily implement tiered storage solutions

in their operational environment. This release also begins the next OpenSFS-

designated Maintenance Release branch of Lustre.

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Page 9: Hierarchical storage management

LTFS - History

1 For example, both backup software and hierarchical storage

management (HSM) software typically maintain a database separate from the tape media

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Page 10: Hierarchical storage management

NTFS reparse point

1 Also, reparse points are used as placeholders for files moved by

Windows 2000's Hierarchical storage management|Hierarchical Storage

System

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Page 11: Hierarchical storage management

IBM General Parallel File System - Architecture

1 Other features provided by GPFS include high availability, support for

heterogeneous clusters, disaster recovery, security, DMAPI,

Hierarchical Storage Management|HSM and Information Lifecycle

Management|ILM.

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Page 12: Hierarchical storage management

IBM Tivoli Storage Manager - Data Sources

1 Other data injectors include policy-based hierarchical storage

management (HSM) components for AIX, Linux and Windows. These allow

migration of data from production disk into one or more of the TSM

storage hierarchies while maintaining transparent access to that data by the use of DMAPI or NTFS reparse

points.https://store.theartofservice.com/the-hierarchical-storage-management-toolkit.html

Page 13: Hierarchical storage management

IBM Tivoli Storage Manager - Associated Products

1 * for Space Management - (Hierarchical Storage Management|

HSM) for Linux and AIX. Automatically moves inactive data to

less expensive media and frees online disk space for important

active data. The Windows product (IBM TSM HSM for Windows) is

OpenStore for File Servers produced by INTERCOPE|INTERCOPE GmbH.

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Page 14: Hierarchical storage management

IBM Tivoli Storage Manager - Non-Tivoli API Clients

1 * Caminosoft Managed Server HSM, Tivoli Edition - Hierarchical Storage

Management software for file system archiving of seldom accessed files to

TSM. Supports N series, NetApp, Windows, Linux, and NetWare.

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Page 15: Hierarchical storage management

File Area Network - HSM and ILM

1 Concurrently with the tiered storage model, storage architects began adopting a technique known as

hierarchical storage management (or HSM) where the process would move data based on policies (such as age or importance) from one tier to the next and eventually to archive or

delete the data

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Page 16: Hierarchical storage management

Tape library - Design

1 Because of their slow sequential access and huge capacity, tape libraries are primarily used for backups and as the final stage of

digital archiving. A typical application of the latter would be an organization's extensive

transaction record for legal or auditing purposes. Another example is hierarchical storage management (HSM), in which tape library is used to hold rarely used files from

file systems.

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Page 17: Hierarchical storage management

Optical jukebox

1 Hierarchical storage management is a strategy that moves little-used or

unused files from fast magnetic storage to optical jukebox devices in

a process called migration

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Page 18: Hierarchical storage management

NetBackup - History

1 *In 1993, Control Data renamed the product to BackupPlus 1.0 (this is why many NetBackup commands

have a 'bp' prefix). Software improvements included support for

media Volume Management and Server Migration/Hierarchical Storage

Management.

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Page 19: Hierarchical storage management

Massive array of idle disks - MAID

1 [ http://searchstorage.techtarget.com/tip/1,289483,sid5_gci992380,00.html Backup budgets have it MAID with

cheap disk Retrieved on 2008-07-15] MAID can supplement or replace

Tape library|tape libraries in hierarchical storage management.

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Page 20: Hierarchical storage management

NTFS - Reparse points

1 NTFS reparse point|Reparse points are used to implement Volume Mount

Points, Directory Junctions, Hierarchical Storage Management, Native Structured Storage, Single Instance Storage, and Symbolic

Links.

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Page 21: Hierarchical storage management

User exit - Applications

1 * MVS|IBM MVS, Hierarchical storage management|SMS, z/OS and dozens of sub-components such as RACF,

SMF, etc.

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Page 22: Hierarchical storage management

Non-RAID drive architectures - MAID

1 [http://searchstorage.techtarget.com/tip/1,289483,sid5_gci992380,00.html Backup budgets have it MAID with

cheap disk Retrieved on 2008-07-15] MAID can supplement or replace

Tape library|tape libraries in hierarchical storage management.

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Page 23: Hierarchical storage management

XFS - DMAPI

1 XFS implemented the DMAPI interface to support Hierarchical Storage Management in

IRIX. As of October 2010, the Linux implementation of XFS supported the required on-disk metadata for DMAPI implementation,

but the kernel support was reportedly not usable. For some time, SGI hosted a kernel

tree which included the DMAPI hooks, but this support has not been adequately maintained,

although kernel developers have stated an intention to bring this support up to date.

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Page 24: Hierarchical storage management

Content-addressable storage - Typical implementation

1 The architecture is different in that it is based on a hierarchical storage management (HSM) design which provides some additional flexibility such as being able to support not

only Write Once Read Many|WORM disk but WORM tape and the

migration of data from WORM disk to WORM tape and vice versa

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