Storage service definitions
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PDF of this doc site
- Cluster administration
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Volume administration
- Logical storage management with the CLI
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NAS storage management
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Manage SMB with the CLI
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Data protection and disaster recovery
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Collection of separate PDF docs
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ONTAP includes predefined storage services that are mapped to corresponding minimum performance factors.
The actual set of storage services available in a cluster or SVM is determined by the type of storage that makes up an aggregate in the SVM.
The following table shows how the minimum performance factors are mapped to the predefined storage services:
Storage service | Expected IOPS (SLA) | Peak IOPS (SLO) | Minimum volume IOPS | Estimated latency | Are expected IOPS enforced? |
---|---|---|---|---|---|
value |
128 per TB |
512 per TB |
75 |
17 ms |
On AFF: Yes Otherwise: No |
performance |
2048 per TB |
4096 per TB |
500 |
2 ms |
Yes |
extreme |
6144 per TB |
12288 per TB |
1000 |
1 ms |
Yes |
The following table defines the available storage service level for each type of media or node:
Media or node | Available storage service level |
---|---|
Disk |
value |
Virtual machine disk |
value |
FlexArray LUN |
value |
Hybrid |
value |
Capacity-optimized Flash |
value |
Solid-state drive (SSD) - non-AFF |
value |
Performance-optimized Flash - SSD (AFF) |
extreme, performance, value |