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PowerScale OneFS Upgrade Planning and Process Guide

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Available space requirements for clusters, nodes, node pools, and directories

The cluster, nodes, node pools, and several critical directories in the file system must meet available space requirements before upgrading OneFS. If the available space for any of these items falls below the minimum requirement, make more space available before upgrading. Otherwise, the upgrade process fails and might not return an error indicating available space as the cause.

Table 1. Item RequirementsThe following table displays the requirements and tasks for each item.
Item Minimum Requirement Task
Cluster The cluster cannot be more than 90 percent capacity. Make more available space.
Node Each node cannot be more than 92 percent capacity. Make more available space.
Node pool Each node pool cannot be more than 90 percent capacity. Make more available space.
root partition (/) The root partition cannot be more than 97 percent capacity.
If this directory is at or near the minimum available-space requirement, see the following resources for steps to address the issue:
  • Event ID 100010003, The /(root) partition is near capacity.
/ifs The /ifs directory cannot be more than 90 percent capacity.
If this directory is at or near the minimum available-space requirement, see the following resources for steps to address the issue:
  • Event ID 100010004, The cluster's /ifs partition is near capacity.
/var The /var partition cannot be more than 90 percent capacity.
If this directory is at or near the minimum available-space requirement, see the following resources for steps to address the issue:
  • Event ID 100010001, The /var partition is near capacity.
/var/crash The /var/crash directory cannot be more than 90 percent capacity.
If this directory is at or near the minimum available-space requirement, see the following resources for steps to address the issue:
  • Event ID 100010002, The /var/crash partition is near capacity.

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