Processing storage capacity events in connection with file systems
First Claim
1. A method of processing capacity-related event occurrences comprising:
- determining a first occurrence of a low threshold event for a first storage pool, wherein the low threshold event occurs when an amount of free storage in the first storage pool is less than a threshold, wherein a set of one or more virtually provisioned logical devices has physical storage provisioned from the first storage pool and physical storage for a file system is provisioned from the set of one or more virtually provisioned logical devices; and
performing first processing responsive to determining the first occurrence of the low threshold event for the first storage pool, the first processing including performing processing that protects the file system, wherein the first processing includes performing processing to handle the first occurrence of the low space event for the first storage pool, the first processing including remounting the file system as read only, wherein after said remounting, the file system is read only and still has its physical storage provisioned from the first storage pool that experienced the first occurrence of the low threshold event.
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Abstract
Described are techniques for processing capacity-related event occurrence. A first occurrence is determined for of any of a low threshold event and an out of space event for a first storage pool. A set of one or more virtually provisioned logical devices has physical storage provisioned from the first storage pool and physical storage for a file system is provisioned from the set of one or more virtually provisioned logical devices. First processing is performed responsive to determining the first occurrence of any of the low threshold event and the out of space event for the first storage pool. The first processing includes performing processing to that protects the file system.
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Citations
16 Claims
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1. A method of processing capacity-related event occurrences comprising:
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determining a first occurrence of a low threshold event for a first storage pool, wherein the low threshold event occurs when an amount of free storage in the first storage pool is less than a threshold, wherein a set of one or more virtually provisioned logical devices has physical storage provisioned from the first storage pool and physical storage for a file system is provisioned from the set of one or more virtually provisioned logical devices; and performing first processing responsive to determining the first occurrence of the low threshold event for the first storage pool, the first processing including performing processing that protects the file system, wherein the first processing includes performing processing to handle the first occurrence of the low space event for the first storage pool, the first processing including remounting the file system as read only, wherein after said remounting, the file system is read only and still has its physical storage provisioned from the first storage pool that experienced the first occurrence of the low threshold event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system comprising:
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a processor; and a memory comprising code stored therein that, when executed, performs a method of processing capacity-related event occurrences comprising; determining a first occurrence of a low threshold event for a first storage pool, wherein the low threshold event occurs when an amount of free storage in the first storage pool is less than a threshold, wherein a set of one or more virtually provisioned logical devices has physical storage provisioned from the first storage pool and physical storage for a file system is provisioned from the set of one or more virtually provisioned logical devices; and performing first processing responsive to determining the first occurrence of the low threshold event for the first storage pool, the first processing including performing processing that protects the file system, wherein the first processing includes performing processing to handle the first occurrence of the low space event for the first storage pool, the first processing including remounting the file system as read only, wherein after said remounting, the file system is read only and still has its physical storage provisioned from the first storage pool that experienced the first occurrence of the low threshold event.
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16. A computer readable medium comprising code stored thereon that, when executed, performs method of processing capacity-related event occurrences comprising:
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determining a first occurrence of a low threshold event for a first storage pool, wherein the low threshold event occurs when an amount of free storage in the first storage pool is less than a threshold, wherein a set of one or more virtually provisioned logical devices has physical storage provisioned from the first storage pool and physical storage for a file system is provisioned from the set of one or more virtually provisioned logical devices; and performing first processing responsive to determining the first occurrence of the low threshold event for the first storage pool, the first processing including performing processing that protects the file system, wherein the first processing includes performing processing to handle the first occurrence of the low space event for the first storage pool, the first processing including remounting the file system as read only, wherein after said remounting, the file system is read only and still has its physical storage provisioned from the first storage pool that experienced the first occurrence of the low threshold event.
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Specification