![]() ![]() Speeding Up Large File Transfer with Robocopy The /FFT option uses FAT file system timestamps, a method that more accurately preserves file timestamps. Some users have reported that the /Z command reduces replication performance. In the event that a file sync fails in the middle of a transfer, you can program Robocopy to retry the transfer using one of the two following commands: robocopy C:\src \\SRV1\share /Z robocopy C:\src \\SRV1\share /FFT To sync files from your source directory to your destination directory, use the following command: robocopy C:\src C:\dst /MIR Once you know the basics of creating Robocopy commands, you can use the following command prompts to sync large files. If you’re inexperienced with Robocopy syntax and need to learn the basics, check out this ultimate guide to Robocopy to get up to speed. Performing any kind of sync with Robocopy will be difficult for novices. It’s also important to note that Robocopy doesn’t mirror properly on systems older than Windows Vista, as it ignores changed security attributes of previously mirrored files. If you plan on using a different operating system (such as Linux, Mac, Ubuntu, or others) or syncing cross-platform, you’ll need another tool. Robocopy only works on Windows computersĪs a Microsoft product, Robocopy only works on Windows servers. Organizations that rely on having the most up-to-date versions of files as quickly as possible will need a real-time synchronization solution. ![]() ![]() While you can program Robocopy to scan file directories periodically (more on this later), Robocopy can’t perform real-time synchronization ( i.e., detecting and syncing file changes as soon as they occur). The larger your files and/or the more files you have in your directory, the longer it will take to scan and sync. In order to sync your files, Robocopy must scan your entire file directory to identify file changes to replicate. Robocopy doesn’t perform real-time synchronization So it should only be used to sync large files over LAN connections. Robocopy takes a very long time when syncing over WAN connections, particularly when transferring large files over long (high latency) or lossy connections. As your file replication needs grow (i.e., syncing larger files, syncing larger numbers of files, or syncing to many endpoints), Robocopy will become unusable - it will either break down often or simply won’t be able to perform the kind of replication jobs you need it to.įor more complex sync jobs, you’ll need to use other sync solutions, DFSR, or (best of all) Resilio Connect. Robocopy is best for simple sync jobsĪs we just stated, Robocopy is primarily designed for simple, one-way file transfer. You can learn how to create a two-way folder sync with Robocopy here. While Robocopy can be used to perform two-way synchronization, setting up such a sync job requires more complex coding and management. It’s designed to transfer files from one computer to another on an individual case basis, or for syncing folders from one computer to another (i.e., syncing from a source folder to a destination folder). Robocopy is really a one-way file transfer solution. Robocopy is really a one-way file sync solution While some can be overcome, doing so involves implementing complex coding and sync set-ups. If you plan on using robocopy to sync files on your computers, there are a few limitations you should be aware of. To see if Resilio Connect could be a fit for you, schedule a demo. And its organic scalability makes it particularly well-suited for large, enterprise deployments. Resilio Connect is used by organizations across multiple industries (gaming, tech, media, logistics, retail, and more) to quickly synchronize, distribute, and consolidate files across any network. It has been tested and is able to sync 250+ million files in a single sync job at speeds of 10+ Gbps per server. Resilio Connect is a fast, reliable file synchronization solution that uses a P2P transfer architecture and WAN optimization to synchronize files of any size over any network. We’ll also discuss our own, superior file synchronization solution: Resilio Connect. In this article, we’ll discuss 5 issues that hinder Robocopy synchronization and how to sync large files with Robocopy. And if you want to perform file synchronization (especially of large files) over a network, you’ll need to know how to set up such an operation and what to expect. There are limitations to what kind of sync environments you can create, especially for business users. But it’s designed primarily for small, simple, one-way sync jobs. Robocopy (Robust File Copy) is a command line tool that can be used to transfer and synchronize files between computers. ![]()
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