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Science in the Cloud 2019

Storage Volumes

Volumes are small virtual filesystems that may be attached to running/actice Instances. Files/data saved to a Volume are maintained across successive attachment/detachment actions and can be moved between Instances.

Creating a Volume

A Volume must be created before it can be attached to an active Instance.

From the Jetstream Atmosphere Dashboard:

After creation, the volume will appear in your list of available volumes:

Attaching a Volume

After creation a volume can be attached to an Instance on the same provider.

[USER@js-169-6 ~]$ df -kh
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1        59G  3.0G   54G   6% /
tmpfs           7.8G  148K  7.8G   1% /dev/shm
/dev/sdb        9.9G  151M  9.2G   2% /vol_b

### Detaching a Volume

Volumes can only be detached from ACTIVE Instances but any files/data currently stored on the Volume will be maintained.

To detach a Volume:




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