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gcloud alpha compute instances attach-disk
INSTANCE_NAME
--disk
=DISK
[--boot
] [--csek-key-file
=FILE
] [--device-name
=DEVICE_NAME
] [--disk-scope
=DISK_SCOPE
; default="zonal"] [--force-attach
] [--interface
=INTERFACE
] [--mode
=MODE
; default="rw"] [--zone
=ZONE
] [GCLOUD_WIDE_FLAG …
]
(ALPHA)
gcloud alpha compute instances attach-disk
is used to attach a disk to an instance. For example,
gcloud compute instances attach-disk example-instance --disk DISK --zone us-central1-a
attaches the disk named 'DISK' to the instance named 'example-instance' in zone
.us-central1-a
After you create and attach a new disk to an instance, you must format and mount the disk so that the operating system can use the available storage space. You can attach an existing non-boot disk to more than one instance. For more information, see Share a disk between VMs.
gcloud alpha compute instances attach-disk my-instance --disk=my-disk --boot
To attach a device named 'my-device' for read-only access to an instance named 'my-instance', run:
gcloud alpha compute instances attach-disk my-instance --device-name=my-device --mode=ro
INSTANCE_NAME
--disk
=DISK
--boot
--csek-key-file
=FILE
If you pass -
as value of the flag, the CSEK is read from stdin. See https://cloud.google.com/compute/docs/disks/customer-supplied-encryption for more details.
--device-name
=DEVICE_NAME
--disk-scope
=DISK_SCOPE
; default="zonal"
DISK_SCOPE
must be one of:
regional
--disk
flag.
zonal
--disk
flag.
--force-attach
--interface
=INTERFACE
INTERFACE
must be one of:
NVME
SCSI
--mode
=MODE
; default="rw"
MODE
must be one of:
ro
rw
--zone
=ZONE
gcloud
attempts to identify the appropriate zone by searching for resources in your currently active project. If the zone cannot be determined, gcloud
prompts you for a selection with all available Google Cloud Platform zones.
To avoid prompting when this flag is omitted, the user can set the
property:compute/zone
gcloud config set compute/zone ZONE
A list of zones can be fetched by running:
gcloud compute zones list
To unset the property, run:
gcloud config unset compute/zone
Alternatively, the zone can be stored in the environment variable
.CLOUDSDK_COMPUTE_ZONE
--access-token-file
, --account
, --billing-project
, --configuration
, --flags-file
, --flatten
, --format
, --help
, --impersonate-service-account
, --log-http
, --project
, --quiet
, --trace-token
, --user-output-enabled
, --verbosity
.
Run $ gcloud help
for details.
gcloud compute instances attach-disk
gcloud beta compute instances attach-disk
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-05-07 UTC.
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