IBM System Storage Ideas Portal


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Status Future consideration
Workspace Storage Scale (formerly known as GPFS)
Created by Guest
Created on Mar 29, 2024

RELATED IDEAS

Support for dynamic expansion of each constituent volume in Storage Scale GPFS's File System, especially in combination with Db2 PureScale on Public Cloud.

It is necessary to support dynamic expansion of each constituent volume itself, rather than GPFS expansion by adding volumes.

Adding volumes has a limit on the number of expansions. The method of adding a volume larger than the existing volume and deleting the existing volume is undesirable because it increases the amount of rebalancing, which increases the time and load.

Since many of today's storage devices have dynamic volume expansion capabilities, it is desirable for GPFSs to support dynamic expansion of individual volumes.

This is more strongly desired in Public Cloud environments.

In Public Cloud such as AWS, the more volumes are used, the more expensive it becomes, even if the total capacity is the same, so the expansion method of adding volumes is not cost-effective.

The customer in question is using Db2 PureScale, an AWS marketplace, and is encountering this problem with the internal GPFS expansion.


Idea priority Medium

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