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Resource limits for Azure NetApp Files

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Understanding resource limits for Azure NetApp Files helps you manage your volumes.

Resource limits

The following table describes resource limits for Azure NetApp Files:

Resource Default limit Adjustable via support request
Regional capacity quota per subscription 25 TiB Yes
Number of NetApp accounts per Azure region per subscription 10 Yes
Number of capacity pools per NetApp account 25 Yes
Number of volumes per subscription 500 Yes
Number of volumes per capacity pool 500 Yes
Number of snapshots per volume 255 No
Number of IPs in a virtual network (including immediately peered virtual networks [VNets]) accessing volumes in an Azure NetApp Files hosting VNet No
Minimum size of a single capacity pool 1 TiB* No
Maximum size of a single capacity pool 2,048 TiB No
Minimum size of a single regular volume 50 GiB No
Maximum size of a single regular volume 100 TiB No
Minimum size of a single large volume 50 TiB No
Large volume size increase 30% of lowest provisioned size Yes
Maximum size of a single large volume 1,024 TiB No
Maximum size of a single large volume on dedicated capacity (preview) 2,048 TiB No
Maximum size of a single file 16 TiB No
Maximum size of directory metadata in a single directory 320 MB No
Maximum number of files in a single directory Approximately 4 million.
See Determine if a directory is approaching the limit size.		 No
Maximum number of files maxfiles per volume See maxfiles Yes
Maximum number of export policy rules per volume 5 No
Maximum number of quota rules per volume 100 No
Minimum assigned throughput for a manual QoS volume 1 MiB/s No
Maximum assigned throughput for a manual QoS volume 4,500 MiB/s No
Number of cross-region replication data protection volumes (destination volumes) 50 Yes
Number of cross-zone replication data protection volumes (destination volumes) 50 Yes
Maximum numbers of policy-based (scheduled) backups per volume
  • Daily retention count: 2 (minimum) to 1019 (maximum)
  • Weekly retention count: 1 (minimum) to 1019 (maximum)
  • Monthly retention count: 1 (minimum) to 1019 (maximum)

    • The maximum hourly, daily, weekly, and monthly backup retention counts combined is 1019.
 No
Maximum size of protected volume 100 TiB No
Maximum number of volumes that can be backed up per subscription 20 Yes
Maximum number of manual backups per volume per day 5 Yes
Maximum number of volumes supported for cool access per subscription per region 10 Yes

* You can only take advantage of the 1-TiB minimum if all the volumes in the capacity pool are using Standard network features. 1-TiB capacity pools are generally available. You must register the feature before using it. If any volume is using Basic network features, the minimum size is 4 TiB.

For more information, see Capacity management FAQs.

For limits and constraints related to Azure NetApp Files network features, see Guidelines for Azure NetApp Files network planning.

Request limit increase

You can create an Azure support request to increase the adjustable limits from the Resource Limits table.

Note

Depending on available resources in the region and the limit increase requested, Azure support may require additional information in order to determine the feasibility of the request.

  1. Navigate to Help then Support + troubleshooting.

  2. Under the How can we help you heading, enter "regional capacity quota" in the text field then select Go.

    Screenshot that shows the How can we help heading.

    1. Under the Current selection heading, search for "Azure NetApp Files" in the text field for Which service are you having an issue with?.

    2. Select Azure NetApp Files then Next.

      Screenshot of choosing a service option.

    3. Under Which resource are you having an issue with?, locate and select your subscription. Then locate and select your resource (the NetApp account).

      Screenshot with the option to select your subscription and resource.

    4. Under Are you having one of the following issues?, select Storage: Azure NetApp Files limits then Next.

      Screenshot showing the option to choose Azure NetApp Files limits as an issue.

    5. Select Create a support request.

  3. Under the Problem description tab, provide the required information:

    1. For Issue Type, select Service and Subscription Limits (Quotas).
    2. For Subscription, select your subscription.
    3. For Quota Type, select Storage: Azure NetApp Files limits.

    Screenshot that shows the Problem Description tab.

  4. Under the Additional details tab, select Enter details in the Request Details field.

    Screenshot that shows the Details tab and the Enter Details field.

  5. To request limit increase, provide the following information in the Quota Details window that appears:

    1. In Quota Type, select the type of resource you want to increase.
      For example:

      • Regional Capacity Quota per Subscription (TiB)
      • Number of NetApp accounts per Azure region per subscription
      • Number of volumes per subscription

    2. In Region Requested, select your region.
      The current and default sizes are displayed under Quota State.

    3. Enter a value to request an increase for the quota type you specified.

    Screenshot that shows how to display and request increase for regional quota.

  6. Select Save and continue. Select Review + create to create the request.

Next steps