We have a mix of Git, Ant and Robocopy scripts for deployments at work.
I've been working on moving everything into Jenkins.
We have a few projects that have a LOT of files. And I quickly ran into an issue using Robocopy to move them to the server took forever.
Doing some research I found a few things..
Newer versions of Robocopy support a 'thread' option. This can dramatically speed up copying, but.. it's only supported on newer servers (2008+).
Java 64 Download
Emcopy: Recovers files from damaged media such as scratched disks. Free download provided for 32-bit and 64-bit versions of Windows. We would like to show you a description here but the site won’t allow us. Hi All, I'm trying to copy the Home Folders from old server to new server. Found that copy the NTFS permissions and 80GB Data. Emcopy64.exe old01 Users$ domain.
Testing copies to my local workstation (Win7) were really quick but when I copied the same files to a Windows 2003 server things were much slower.
Ugh.
The next thing I ran into was Robocopy's total failure on doing differential copies.
I was expecting rsync and got a slightly beefier Xcopy instead.
Despite trying all sorts of flag options I could never get Robocopy to just copy files that had changed. Robocopy seems stuck to the date last modified of the file and while it appears it also checks for file differences the date always wins.
Ugh.
So I went looking for an alternative.
I stumbled upon a few posts that mentioned Emcopy, a tool created by EMC. The license is a bit vague but a few quick searches and I was able to find a copy.
The syntax is exactly like Robocopy:
But several of the flags are different.
I ended up using the following flags:
Doing some benchmarks I didn't see a huge increase in speed over Robocopy during the initial copy when the destination directory was empty.
Where Emcopy stood out was in subsequent copies:
Where Robocopy would have copied all the files over again, Emcopy simply copied the one file I updated.
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Woot!
Again I'm not sure of the license of Emcopy but if you search you can find several posts on how to get it and it is easily found. The download includes 32 and 64 bit files and a well documented README file and of course there is help available at the command line.
Pokemon mystery dungeon explorers of sky free rom download. I still want to look at some other options but so far Emcopy seems very promising.
Recently I was tasked with syncing some shared drives so we could upgrade a server. I started down the path of finding the best tool for the job, Googling Robocopy, XCopy, RichCopy, etc. My requirements were that the tool had to copy security permissions for the shared folders, had to be able to copy across the network, and needed to be able to sync just deltas so we didn't have to copy hundreds of GB's every time something changed. I came across a few recomendations for EMCopy 123.
Other people have done more in depth comparisons of the various tools. This is just my recommendation and an example of how it's being used in my environment.
Download
First, the download. I couldn't find where on EMC's site they had the newest version, but searching the support forums I came across a direct link. Register for an account, log in, and follow the direct link.
Flags and options
I placed EMCopy on the server I wanted to move files to, and used the following..
Emcopy64 Download
I'll break that down in logical blocks, not necessarily how it's listed above:
remoteserver.domain.comF$ F: - Source path followed by destination path. In this case I'm coping entire drives (F: drive) from a remote server to the local server
/s /purge /sdd - Directory options. /s copies sub directories. /purge removes files and directories from the destination that do no exist in the source. /sdd forces the target directories dates to be synchronized with the source directory.
/de - Compares both file size and last modification time when deciding to update a file, updates it if either have been changed.
/cm md5 - checks the file content after copying using and md5 comparison of the source and destination.
/o /secforce /sd - /o copies the files owner, without this the account used for the copy will be the owner. /secforce overwrites the destination security settings with the source security settings (copies security settings). /sd preserves security, the file isn't copied if an error occurs during security settings.
Emcopy Unable To Set Sd/th 16 - Uses 16 threads, default is 64.
/r:1 /w:30 /c - /r:1 retires one time (default I believe is 100), I don't care to have it retrying all day because someone left a word document opened. If it fails it fails and I'll catch it tomorrow. /w:30 is the wait time in seconds between retries. /c will allow the process to continue after the retries.
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