11/6/2023 0 Comments Is freefilesync good![]() That is only part of what I am asking for. I personally wouldn't mind loosing 250MB-500MB knowing that the data will be 'safe' from error on my 3x 2tb drives.ĭisk2 is in my computer and mirrored from Disk1 every few days if i add something bigĭisk3 is in a fire resistant box not plugged in to the computer in case of fire or crypto virus destroys the data on disk1 and disk2.įreeFileSync has the ability to verify copied files, see help file chapter " Expert Settings" ZenjuĪre you referring to "Verif圜opiedFiles" in the expert settings? and that is worse case scenario as most files do not live at he edge of a 280 character file path. so every 2 files = 1KB, 1 thousand files = 500KB, 10k files = 5mb, 100k = 50MB, 500k = 250MB (in my case), and 1million = 500MB. including file name date, size, a CRC, and overhead for you then as a text file it came out to 488bytes. I did some very rough/general math on just how much space it would take up to do a CRC check for each file. Then adding the feature to when scanning drives and Date/size haven't changed (indicating most likely the file hasn't been update) and the CRC on fileA has changed on Disk1 but Disk2 CRC and FileA reading the same then giving the user a prompt about how the files on Disk1 might be corrupt and to verify that the files have/haven't been updated by the user to then make the appropriate decision on which to keep (also applies to mirrors as mirroring is 1 way and could copy a corrupt file to a second drive). This could use a CRC-16 or CRC-32 (Cyclic redundancy check) calculation along with Date info and size (if date and size are the same then use the CRC info to verify the data hasn't changed 'accidentally'). What i am purposing is to add some sort of data integrity check on all the files when first scanned using "file content" scanning, when copied from a drive and when first wrote to a drive (the data is being read/wrote already might as well do the check now when "fresh" for future checks). Using a MD5 checker i did confirm that the files were different, but did not know how much again no noticeable difference in a MP3 file. one of the changed files was a static MP3 file and i listened to each file and noticed no difference in the audio streams. but i had now way of detecting which one was the correct file. i then decided to do a File content scan the software detected a few files changed. i have been doing the time/size scan to mirror the drives. So you can use a MSI installation and a config (with the IP) and auto push it to all clients.Hi, i have 3x drives (WD RE4-GP 2TB) that i use your software to mirror the data across the set from disk1 > Disk2 and Disk3. ![]() One would like to also rather a central management straight if the computers are not all just in the near.Īlso a deployment with a JSON config to pc would be nice. ![]() Especially if you have several devices (100 >). The only thing I have found so far in this direction is. The whole thing must be self-hosted of course, because the data should only exist locally and not be uploaded on some service on the internet. In addition, events must exist where I can e.g. On the server I can then access the files of the computer and then also set which file / folder should be synchronized and where it should be synchronized (local file system). It works but is not really great for a lot of computers.Ī client is installed on the computer and here only the IP of the server entered. On the same server where n8n is already on it.īut of course it would be great to have an event that tells you what to do: File was uploaded, or deleted. There is one or the other machine around that produces data and I would like to handle it with n8n.įor this, of course, these files must be synchronized from the computers on a server. ![]() These files can be anything, binary files, text files etc. (you can also take a look at it, because I think that appsmith definitely offers added value.) Instead of budibase I use Appsmith which is really awesome. ![]()
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