[root@hwmig01 ~]# azcopy
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azcopy 6.0.0-netcorepreview Copyright (c) 2017 Microsoft Corp. All Rights Reserved.
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# azcopy is designed for high-performance uploading, downloading, and copying
data to and from Microsoft Azure Blob, and File storage.
# Command Line Usage:
azcopy --source --destination [options]
# Options:
[--source-key] [--dest-key] [--source-sas] [--dest-sas] [--verbose] [--resume]
[--config-file] [--quiet] [--parallel-level] [--source-type] [--dest-type]
[--recursive] [--include] [--check-md5] [--dry-run] [--preserve-last-modified-time]
[--exclude-newer] [--exclude-older] [--sync-copy] [--set-content-type] [--blob-type]
[--delimiter] [--include-snapshot]
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For azcopy command-line help, type one of the following commands:
# Detailed command-line help for azcopy --- azcopy --help
# Detailed help for any azcopy option --- azcopy --help source-key
# Command line samples --- azcopy --help sample
You can learn more about azcopy at http://aka.ms/azcopy.
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please use --resume option to specify a custom location for the journal file.
2.2 相关报错
[2020/08/04 21:38:23][ERROR] An error occurred while reading the restart journal from "/root/Microsoft/Azure/AzCopy". Detailed error: The process cannot access the file '/root/Microsoft/Azure/AzCopy/AzCopyCheckpoint.jnl' because it is being used by another process.
An error occurred while reading the restart journal from "C:\Users\\AppData\Local\Microsoft\Azure\AzCopy". Detailed error: The process cannot access the file 'C:\Users\\AppData\Local\Microsoft\Azure\AzCopy\AzCopyCheckpoint.jnl' because it is being used by another process.
The error is pretty much clear. AzCopy keeps a journal file for resume functionality and if we don't specify the journal file location in command it uses default location and when second AzCopy starts it cannot read journal file.
The fix is to specify the location for .jnl. AzCopy Command goes as follows
AzCopy /Source:c:\temp\source /Dest:https://.blob.core.windows.net/test /DestSAS:"" /pattern:"" /s /z:
If we are running AzCopy from the command window it is easy to find out. But, if AzCopy is invoked from applications (PowerShell or .Net) in parallel it is difficult to find out because we might have disabled all the messages using /y. AzCopy has /v: switch which redirect the logs to a file. That will help to troubleshoot.
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