Arq is online backup for the Mac using Amazon S3 and Amazon Glacier. It backs-up and faithfully restores all the special metadata of Mac files that other products don't, including resource forks, ACLs, and creator codes.
Arq works like Time Machine, except you don't have to remember to plug in your external hard drive. Following the initial backup, Arq automatically makes incremental backups every hour, every day, uploading just the files that have changed since your last backup. Arq keeps hourly backups for the past 24 hours, daily backups for the past month, and weekly backups for everything older than a month.
Arq lets you set a budget for S3 storage, and it automatically drops the oldest backups to keep within the budget.
Arq backs up everything with no limits. It backs up files of any size, external drives, and network drives.
Arq "de-duplicates" your backups, never storing the same file twice in your S3 account.
Version 4.1.1:
Note: Arq 4 is a $19.99 upgrade from Arq 3 or Arq 2.
Fixed Bugs:
- Fixed an issue where Arq can't read the encryption password from the keychain on upgrading from older versions.
- Return an error instead of crashing when unexpected BlobKey data is encountered.
- Retry SFTP connection on error.
- Return an error when trying to parse a hex string that isn't actually hex.
- Write files to SFTP atomically, first writing a temp directory and then moving to final location.
- Fixed issues which caused the 'View Items Being Backed Up' window to be empty.
- Fixed an issue where Arq wouldn't restore the entire file from Glacier if some parts of it were not ready for download yet.
- Fixed an issue which prevented Arq from showing errors properly when restoring from Glacier.
- OS X 10.7 or later
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