Class: Aws::DataSync::Types::Options
- Inherits:
-
Struct
- Object
- Struct
- Aws::DataSync::Types::Options
- Defined in:
- gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb
Overview
Configures your DataSync task settings. These options include how DataSync handles files, objects, and their associated metadata. You also can specify how DataSync verifies data integrity, set bandwidth limits for your task, among other options.
Each task setting has a default value. Unless you need to, you don't
have to configure any of these Options
before starting your task.
Constant Summary collapse
- SENSITIVE =
[]
Instance Attribute Summary collapse
-
#atime ⇒ String
Specifies whether to preserve metadata indicating the last time a file was read or written to.
-
#bytes_per_second ⇒ Integer
Limits the bandwidth used by a DataSync task.
-
#gid ⇒ String
Specifies the POSIX group ID (GID) of the file's owners.
-
#log_level ⇒ String
Specifies the type of logs that DataSync publishes to a Amazon CloudWatch Logs log group.
-
#mtime ⇒ String
Specifies whether to preserve metadata indicating the last time that a file was written to before the
PREPARING
phase of your task execution. -
#object_tags ⇒ String
Specifies whether object tags are preserved when transferring between object storage systems.
-
#overwrite_mode ⇒ String
Specifies whether data at the destination location should be overwritten or preserved.
-
#posix_permissions ⇒ String
Specifies which users or groups can access a file for a specific purpose such as reading, writing, or execution of the file.
-
#preserve_deleted_files ⇒ String
Specifies whether files in the destination location that don't exist in the source should be preserved.
-
#preserve_devices ⇒ String
Specifies whether DataSync should preserve the metadata of block and character devices in the source location and recreate the files with that device name and metadata on the destination.
-
#security_descriptor_copy_flags ⇒ String
Specifies which components of the SMB security descriptor are copied from source to destination objects.
-
#task_queueing ⇒ String
Specifies whether tasks should be queued before executing the tasks.
-
#transfer_mode ⇒ String
Determines whether DataSync transfers only the data and metadata that differ between the source and the destination location or transfers all the content from the source (without comparing what's in the destination).
-
#uid ⇒ String
Specifies the POSIX user ID (UID) of the file's owner.
-
#verify_mode ⇒ String
Specifies how and when DataSync checks the integrity of your data during a transfer.
Instance Attribute Details
#atime ⇒ String
Specifies whether to preserve metadata indicating the last time a
file was read or written to. If you set Atime
to BEST_EFFORT
,
DataSync attempts to preserve the original Atime
attribute on all
source files (that is, the version before the PREPARING
phase of
the task execution).
Atime
isn't fully standard across platforms, so
DataSync can only do this on a best-effort basis.
Default value: BEST_EFFORT
BEST_EFFORT
: Attempt to preserve the per-file Atime
value
(recommended).
NONE
: Ignore Atime
.
Atime
is set to BEST_EFFORT
, Mtime
must be set to
PRESERVE
.
If Atime
is set to NONE
, Mtime
must also be NONE
.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#bytes_per_second ⇒ Integer
Limits the bandwidth used by a DataSync task. For example, if you
want DataSync to use a maximum of 1 MB, set this value to 1048576
(=1024*1024
).
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#gid ⇒ String
Specifies the POSIX group ID (GID) of the file's owners.
For more information, see Metadata copied by DataSync.
Default value: INT_VALUE
. This preserves the integer value of the
ID.
INT_VALUE
: Preserve the integer value of user ID (UID) and GID
(recommended).
NONE
: Ignore UID and GID.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#log_level ⇒ String
Specifies the type of logs that DataSync publishes to a Amazon CloudWatch Logs log group. To specify the log group, see CloudWatchLogGroupArn.
If you set LogLevel
to OFF
, no logs are published. BASIC
publishes logs on errors for individual files transferred.
TRANSFER
publishes logs for every file or object that is
transferred and integrity checked.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#mtime ⇒ String
Specifies whether to preserve metadata indicating the last time that
a file was written to before the PREPARING
phase of your task
execution. This option is required when you need to run the a task
more than once.
Default Value: PRESERVE
PRESERVE
: Preserve original Mtime
(recommended)
NONE
: Ignore Mtime
.
Mtime
is set to PRESERVE
, Atime
must be set to
BEST_EFFORT
.
If Mtime
is set to NONE
, Atime
must also be set to NONE
.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#object_tags ⇒ String
Specifies whether object tags are preserved when transferring
between object storage systems. If you want your DataSync task to
ignore object tags, specify the NONE
value.
Default Value: PRESERVE
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#overwrite_mode ⇒ String
Specifies whether data at the destination location should be
overwritten or preserved. If set to NEVER
, a destination file for
example will not be replaced by a source file (even if the
destination file differs from the source file). If you modify files
in the destination and you sync the files, you can use this value to
protect against overwriting those changes.
Some storage classes have specific behaviors that can affect your Amazon S3 storage cost. For detailed information, see Considerations when working with Amazon S3 storage classes in DataSync.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#posix_permissions ⇒ String
Specifies which users or groups can access a file for a specific purpose such as reading, writing, or execution of the file.
For more information, see Metadata copied by DataSync.
Default value: PRESERVE
PRESERVE
: Preserve POSIX-style permissions (recommended).
NONE
: Ignore permissions.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#preserve_deleted_files ⇒ String
Specifies whether files in the destination location that don't exist in the source should be preserved. This option can affect your Amazon S3 storage cost. If your task deletes objects, you might incur minimum storage duration charges for certain storage classes. For detailed information, see Considerations when working with Amazon S3 storage classes in DataSync.
Default value: PRESERVE
PRESERVE
: Ignore such destination files (recommended).
REMOVE
: Delete destination files that aren’t present in the
source.
REMOVE
, you can't set TransferMode
to ALL
. When you transfer all data, DataSync doesn't scan your
destination location and doesn't know what to delete.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#preserve_devices ⇒ String
Specifies whether DataSync should preserve the metadata of block and character devices in the source location and recreate the files with that device name and metadata on the destination. DataSync copies only the name and metadata of such devices.
Default value: NONE
NONE
: Ignore special devices (recommended).
PRESERVE
: Preserve character and block device metadata. This
option currently isn't supported for Amazon EFS.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#security_descriptor_copy_flags ⇒ String
Specifies which components of the SMB security descriptor are copied from source to destination objects.
This value is only used for transfers between SMB and Amazon FSx for Windows File Server locations or between two FSx for Windows File Server locations. For more information, see how DataSync handles metadata.
Default value: OWNER_DACL
OWNER_DACL
: For each copied object, DataSync copies the following
metadata:
The object owner.
NTFS discretionary access control lists (DACLs), which determine whether to grant access to an object.
DataSync won't copy NTFS system access control lists (SACLs) with this option.
OWNER_DACL_SACL
: For each copied object, DataSync copies the
following metadata:
The object owner.
NTFS discretionary access control lists (DACLs), which determine whether to grant access to an object.
SACLs, which are used by administrators to log attempts to access a secured object.
Copying SACLs requires granting additional permissions to the Windows user that DataSync uses to access your SMB location. For information about choosing a user that ensures sufficient permissions to files, folders, and metadata, see user.
NONE
: None of the SMB security descriptor components are copied.
Destination objects are owned by the user that was provided for
accessing the destination location. DACLs and SACLs are set based on
the destination server’s configuration.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#task_queueing ⇒ String
Specifies whether tasks should be queued before executing the tasks.
The default is ENABLED
, which means the tasks will be queued.
If you use the same agent to run multiple tasks, you can enable the tasks to run in series. For more information, see Queueing task executions.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#transfer_mode ⇒ String
Determines whether DataSync transfers only the data and metadata that differ between the source and the destination location or transfers all the content from the source (without comparing what's in the destination).
CHANGED
: DataSync copies only data or metadata that is new or
different content from the source location to the destination
location.
ALL
: DataSync copies all source location content to the
destination (without comparing what's in the destination).
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#uid ⇒ String
Specifies the POSIX user ID (UID) of the file's owner.
For more information, see Metadata copied by DataSync.
Default value: INT_VALUE
. This preserves the integer value of the
ID.
INT_VALUE
: Preserve the integer value of UID and group ID (GID)
(recommended).
NONE
: Ignore UID and GID.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |
#verify_mode ⇒ String
Specifies how and when DataSync checks the integrity of your data during a transfer.
Default value: POINT_IN_TIME_CONSISTENT
ONLY_FILES_TRANSFERRED
(recommended): DataSync calculates the
checksum of transferred files and metadata at the source location.
At the end of the transfer, DataSync then compares this checksum to
the checksum calculated on those files at the destination.
We recommend this option when transferring to S3 Glacier Flexible Retrieval or S3 Glacier Deep Archive storage classes. For more information, see Storage class considerations with Amazon S3 locations.
POINT_IN_TIME_CONSISTENT
: At the end of the transfer, DataSync
scans the entire source and destination to verify that both
locations are fully synchronized.
You can't use this option when transferring to S3 Glacier Flexible Retrieval or S3 Glacier Deep Archive storage classes. For more information, see Storage class considerations with Amazon S3 locations.
NONE
: DataSync doesn't run additional verification at the end of
the transfer. All data transmissions are still integrity-checked
with checksum verification during the transfer.
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# File 'gems/aws-sdk-datasync/lib/aws-sdk-datasync/types.rb', line 4029 class Options < Struct.new( :verify_mode, :overwrite_mode, :atime, :mtime, :uid, :gid, :preserve_deleted_files, :preserve_devices, :posix_permissions, :bytes_per_second, :task_queueing, :log_level, :transfer_mode, :security_descriptor_copy_flags, :object_tags) SENSITIVE = [] include Aws::Structure end |