Quantum 3.5.1 User Manual

Managing Storage Disks with Deduplication Enabled

StorNext User’s Guide

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Managing Storage Disks with Deduplication Enabled

Quantum recommends using the StorNext GUI to manage the storage 

disk deduplication feature, but you can use the CLI to add, modify, or 

delete storage disks with deduplication enabled (Dedup Sdisk).

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The fsdiskcfg command now includes a -b option to indicate that the 

storage disk uses blockletized storage to store data. (Blocketized storage 

is how this feature accomplishes space savings.)
For example, you would enter the following command to create a storage 

disk with deduplication enabled:
Input: fsdiskcfg -a -p /apps -b sdisk1
Before you add a dedup storage disk, you can also use the fsdiskcfg 

command’s -b -l options to view a list of available locations where a 

dedup storage disk can be created. The correct syntax is fsdiskcfg -b -l.
(You can also use the fsdiskcfg command’s -l option (without the -b 

option) to view all available location where a standard storage disk can 

be created. The correct syntax is fsdiskcfg -l.)

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You can modify the location for the dedup sdisk, but the dedup sdisk 

must be blank and the new location must be under the same file system.
For example, this is how you would invoke the fsdiskcfg command for 

sdisk1, which was previously created under /apps:
Input: fsdiskcfg -m sdisk1 -p /apps/subdir

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You can delete a dedup sdisk by using the fsdiskcfg command’s -d 

option.
For example, this is how you would invoke the fsdiskcfg for sdisk1 that 

was previously created:
Input: fsdiskcfg -d sdisk1