The easy way to incrementally backup billions of objects

dsmISI MAGS allows fast backup and restore of large production file services (e. g. NetApp) with billions of objects in combination with IBM Spectrum Protect (ISP).

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MAGS for NetApp

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IBM Spectrum Protect is still the only software capable of continuously backing up file systems entirely incrementally. With extremely large file systems, containing many millions or even billions of objects, this approach, however, does have its limits. Very often the time used for identifying changed, new or deleted objects alone takes days or even weeks – and thus renders a service level which requires a daily backup cycle which is impossible to achieve.

dsmISI MAGS (Massive Attack General Storage) solves this fundamental problem by accelerating identification of changes and the resulting movement of data by orders of magnitude.

Benefits of dsmISI MAGS:

  • Is easy to install, configure, test and monitor
  • Doesn’t alter the backup data structure
  • Scales across a practically unlimited number of ISP client machines
  • Doesn’t require change in backup structure.
  • Is continuously optimizing its own configuration iorder to use available resources (CPU, RAM, scan depth, etc.) to greatest possible effect
  • Can, if applicable, use snapshots of a file system in order to avoid errors resulting from user activity during backup
  • Comes with a convenient graphical user interface which supports configuration and shows detailed information about running jobs.
  • Is compatible with most file servers and ISP client software version 6.3 or later
  • When backing up scale-out file servers (like Dell EMC Isilon), dsmISI MAGS can automatically utilize all reachable cluster nodes to further accelerate backup.
  • In most cases using dsmISI MAGS doesn’t require additional hardware for ISP clients or servers already in use
  • Even extremely large and busy file systems can be backed up incrementally within a reasonable timespan using regular ISP incremental backup when controlled by dsmISI MAGS

dsmISI MAGS integration

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dsmISI MAGS interoperability with other backup methods

April 2021by Lars Henningsen

MAGS is using the regular IBM Spectrum Protect client (dsmc) on Windows and/or Linux systems as the sole method of communicating with Spectrum Protect. Any backup initiated and accelerated by MAGS will therefore be indistinguishable from a similar backup run with either a regular incremental backup or a Journal Based Backup or SnapDiff. It can be used in combination with any of these methods or as a complete replacement. In either case, running regular or Journal Based or SnapDiff backups before or after using MAGS will be completely transparent and not change your backup versioning and history in any way.

MAGS does not support the Spectrum Protect archive function but doesn’t interfere with using the archive function through the regular Spectrum Protect client either. Both can be used with the same node name just like you could in combination with regular incremental, Journal Based or SnapDiff backups.

MAGS can be scheduled using the standard Spectrum Protect client scheduler with a command schedule and returns the same exit codes as the regular client with identical meanings.

MAGS supports backups from snapshots while maintaining the original filespace name in Spectrum Protect in order to avoid backups failing on objects which are in use or in exclusive access or are located on a secondary, read-only copy of the original data.


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