IBM System Storage Ideas Portal


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Status Future consideration
Workspace Storage Scale (formerly known as GPFS)
Created by Guest
Created on May 10, 2021

RELATED IDEAS

alert on vdisk usage threshold

On ESS, we need an mmhealth alert for full (and nearly full) vdisks/NSDS

There is currently warnings (default 80% full) and errors (default 90% full) for both filesystem and pools. This is good.

The problem occurs when a customer at a later time expands a pool by adding new vdisks without running an mmrestripefs to rebalance that pool.

The overall pool (and filesystem) can have plenty of free space, but the vdisks that were originally created can be nearly filled while the newer ones are nearly empty.

When GPFS attempts to place new data onto a filled vdisk, it leads to extremely long waiters while the filesystem is continually calculating where to put new data into the pool.

But this filled vdisks is a situation that is not currently monitored and warned about.

Idea priority Urgent

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