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# Create file systems

Network-attached storage is a file-level storage architecture that makes stored data more accessible to networked devices.

## About this task

A file system is created for NFS exports.

See Understanding PowerMax File for storage systems for an overview of PowerMax File.

## Steps

1. Select a storage system that supports PowerMaxFile.
2. Select Storage > File.
3. Select the FILE SYSTEMS tab.
4. Click Create.
5. Select type of file system that you want to create (general NAS file system or VMware file system) and click NEXT.
6. General NAS file system:
   1. Select the NAS server where the file system is to be created and click NEXT.
   2. Enter the following file system details:
      - Name
      - Description
      - Size
      - Service Level
      - Data Reduction flag (assumes that selected NAS server has SRP with data reduction enabled).
      - Set Threshold (can be set to trigger alert if the file system used space exceeds the threshold).
      For SMB enabled systems, you can also click the associated checkbox for the following advanced SMB settings:
      - Sync Write Enabled
      - Oplocks Enabled
      - Notify on Write Enabled
   3. Click NEXT.
   4. Specify the file level retention setting. Click NEXT.
   5. Specify NFS Export Name and a description. Click NEXT.
   6. For SMB enabled system, specify values for the following settings:
      - SMB Share Name
      - Description
      - Offline Availability
      - Umask
   7. Select the associated checkbox for the following advanced SMB settings:
      - Access-Based Enumeration
      - Continuous Availability
      - Protocol Encryption
      - Branch Cache Enabled
7. VMware file system:
   1. Select the NAS server where the file system is to be created and click NEXT.
   2. Enter the following file system details:
      - Name
      - Description
      - Size
      - Service level
      - Data reduction flag (assumes that selected NAS server has SRP with data reduction enabled).
      - Alert threshold flag (can be set to trigger alert if the file system used space exceeds the threshold).
      - Host I/O size for the file system
      Click NEXT.
   3. Specify the NFS Export Name and a description. Click NEXT.
   4. Specify the minimum security and default access. Click Create to add a host. Select an existing host and click Modify to modify its properties. Select an existing host and click to delete the host. Select Import to import a host file or download a hosts template file. Click NEXT.
8. Review the summary.
9. Do one of the following:
   - Expand Run In The Background, and click Run In The Background to perform the operation in the background.
   - Expand Run In The Background, and click Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs