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GCLOUD COMPUTE INSTANCES DETACH-DISK(1)GCLOUD COMPUTE INSTANCES DETACH-DISK(1)

NAME
       gcloud_compute_instances_detach-disk - detach disks from Compute Engine
	      virtual machine instances

SYNOPSIS
       gcloud compute instances detach-disk NAME [--device-name DEVICE_NAME |
	       --disk DISK] [--format FORMAT] [--help] [--project PROJECT_ID]
	      [--quiet, -q] [--zone ZONE] [-h]

DESCRIPTION
       gcloud compute instances detach-disk is used to detach disks from
       virtual machines.

       Detaching a disk without first unmounting it may result in incomplete
       I/O operations and data corruption. To unmount a persistent disk on a
       Linux-based image, ssh into the instance and run:

	   $ sudo umount /dev/disk/by-id/google-DEVICE_NAME

POSITIONAL ARGUMENTS
       NAME
	   The name of the instance to detach the disk from.

FLAGS
       --device-name DEVICE_NAME
	   Specifies a disk to detach by its device name, which is the name
	   that the guest operating system sees. The device name is set at the
	   time that the disk is attached to the instance, and needs not be
	   the same as the persistent disk name. If the disk’s device name is
	   specified, then its persistent disk name must not be specified
	   using the --disk flag.

       --disk DISK
	   Specifies a disk to detach by its resource name. If you specify a
	   disk to remove by persistent disk name, then you must not specify
	   its device name using the --device-name flag.

       --zone ZONE
	   The zone of the instance to detach a disk from. If not specified,
	   you will be prompted to select a zone.

	   To avoid prompting when this flag is omitted, you can set the
	   compute/zone property:

	       $ gcloud config set compute/zone ZONE

	   A list of zones can 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.

   GLOBAL FLAGS
       --format FORMAT
	   Specify a format for printed output. By default, a command-specific
	   human-friendly output format is used. Setting this flag to one of
	   the available options will serialize the result of the command in
	   the chosen format and print it to stdout. Supported formats are:
	   json, text, yaml.

       --help
	   Display detailed help.

       --project PROJECT_ID
	   The Google Cloud Platform project name to use for this invocation.
	   If omitted then the current project is assumed.

       --quiet, -q
	   Disable all interactive prompts when running gcloud commands. If
	   input is required, defaults will be used, or an error will be
	   raised.

       -h
	   Print a summary help and exit.

NOTES
       This command is in the Google Cloud SDK compute component. See
       installing components if it is not installed.

				       GCLOUD COMPUTE INSTANCES DETACH-DISK(1)

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