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IBM Aspera HST User Manual

IBM Aspera HST
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| Aspera Sync | 241
Authenticate with the specified SSH private key file. For information on creating a key pair, see
Creating SSH Keys on page 269.
--ignore-delete
Do not copy removals to the peer. This option is used mostly with uni-directional syncs. In bi-
directional sync, a deletion on one side is ignored but the next time async is run, the file is
recopied from the other end. In continuous mode, the file is not recopied until either async is
restarted or the file is changed (touched).
--ignore-mode
Do not synchronize file permissions of the source to the destination. This argument is useful
when synchronizing from a Unix-like source to a Windows destination, which has different file
permission behavior than the Unix-like source ("read only" files cannot be deleted or modified on
Windows).
--include="pattern"
Include paths that match pattern. Wildcards, such as * and ?, are supported but rules containing
them must be in double quotes. For example, --include="*.jpg". For more information on
how to set include and exclude patterns, see Include and Exclude Filtering Rules on page 248.
-j, --preserve-gid
Preserve file owner's gid when synchronizing files between Unix-like operating systems. Requires
that async is running as root. Default: disabled.
-K direction, --direction=direction
Transfer in the specified direction. direction can be push, pull, or bidi (bi-directional).
Default: push.
-k type, --checksum=type
Calculate the specified checksum type. type can be sha1, md5, sha1-sparse, md5-sparse,
or none. A value of none is equivalent to a size check only and async will not detect a change in
timestamp. Default: sha1-sparse for local storage, none for object storage.
--keep-dir-local=dir
Move deleted files into dir. The directory must exist (it is not created by --create-dir), and
must be outside the synchronization directory (or excluded from the sync using --exclude or --
exclude-from), but on the same file system.
--keep-dir-remote=dir
Move the server's deleted files into dir. The directory must exist (it is not created by --create-
dir), and must be outside the synchronization directory (or excluded from the sync using --
exclude or --exclude-from), but on the same file system.
-l rate, --target-rate=rate
Transfer no faster than the specified maximum transfer rate. rate is an integer with units of G/g, M/
m, K/k, or bps. Default: 10 Mbps.
--local-force-stat
Force the local Aspera Sync to retrieve file information even if no changes were detected by
scanning or file system notifications (equivalent to the behavior of Aspera Sync versions 3.8.1 and
older). This option incurs a performance cost at the expense of immediately detecting file changes.
See also --remote-force-stat.
--local-fs-threads=number
Use up to the specified number of threads to do file system operations on the local computer.
Default: 1. This option is particularly useful when the local Sync directory is in cloud storage
or mounted storage (NFS) where file system operations are slow. To set multiple threads for file
system operations on the remote computer, use --remote-fs-threads.
--local-mount-signature=signature file

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IBM Aspera HST Specifications

General IconGeneral
BrandIBM
ModelAspera HST
CategoryServer
LanguageEnglish

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