AWS Storage Gateway User Guide
Understanding Volume Status and Transitions
Status Meaning
Restoring The volume is being restored from an existing snapshot. This status applies
only for stored volumes. For more information, see How AWS Storage
Gateway Works (Architecture) (p. 2).
If you restore two storage volumes at the same time, both storage volumes
show Restoring as their status. Each storage volume changes to the
Available status automatically when it is finished being created. You can
read and write to a storage volume and take a snapshot of it while it has the
Restoring status.
Restoring Pass
Through
The volume is being restored from an existing snapshot and has
encountered an upload buffer issue. This status applies only for stored
volumes. For more information, see How AWS Storage Gateway Works
(Architecture) (p. 2).
One reason that can cause the Restoring Pass Through status is if your
gateway has run out of upload buffer space. Your applications can continue
to read from and write data to your storage volumes while they have the
Restoring Pass Through status. However, you can't take snapshots of a
storage volume during the Restoring Pass Through status period. For
information about what action to take when your storage volume has the
Restoring Pass Through status because upload buffer capacity has been
exceeded, see Troubleshooting Volume Issues (p. 331).
Infrequently, the Restoring Pass Through status can indicate that a disk
allocated for an upload buffer has failed. For information about what action
to take in this scenario, see Troubleshooting Volume Issues (p. 331).
Upload Buffer Not
Configured
You can't create or use the volume because the gateway doesn't have an
upload buffer configured. For information on how to add upload buffer
capacity for volumes in a cached volume setup, see Determining the Size of
Upload Buffer to Allocate (p. 221). For information on how to add upload
buffer capacity for volumes in a stored volume setup, see Determining the
Size of Upload Buffer to Allocate (p. 221).
Understanding Attachment Status
You can detach a volume from a gateway or attach it to a gateway by using the Storage Gateway console
or API. The following table shows volume attachment status on the Storage Gateway console. Volume
attachment status appears in the Attachment status column for each storage volume on your gateway.
For example, a volume that is detached from a gateway has a status of Detached. For information about
how to detach and attach a volume, see Moving Your Volumes to a Different Gateway (p. 160).
Status Meaning
Attached The volume is attached to a gateway.
Detached The volume is detached from a gateway.
Detaching The volume is being detached from a gateway. When you are detaching
a volume and the volume doesn't have data on it, you might not see this
status.
API Version 2013-06-30
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