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Forum Discussion
Copy files/folders via dashboard OS6.10.3 / RN214
After transferring files from a NV+v2 to a RN214 in a bulk 'backup' transfer, I then wanted to move the files and folders to specic areas on the RN214. I did this via the dashboard>shares. Firstl...
I haven't timed copying files in the web ui, and usually just use drag/drop.
Do you have snapshots enabled on the source share? If you did, then a move would result in the original files ending up in a snapshot on the source, and with a copy placed in the destination. Free space would be reduced as a result.
In general, moves using drag-and-drop are instant when you are reorganizing a share, but moves turn into copy-delete when you are moving files between shares.
The absolute fastest way to move files quickly is to use cp --reflink from ssh, and then delete the originals. The --reflink bit tells btrfs not to copy the datablocks, but instead to clone the metadata.
No snapshots, just plain shares, of course from a share to a home share breaks the boundary you mention.
But, 2GB/min seems extremely slow, it's even slower than a LAN copy! I'll do some more testing, so far this is not impressing me over the freedom and flexibility of OS5!
aks-2 wrote:
But, 2GB/min seems extremely slow, it's even slower than a LAN copy! I'll do some more testing, so far this is not impressing me over the freedom and flexibility of OS5!
It does seem very slow. I just did a copy/paste of an 8.7 GB file on my own RN202 using the web browser interface, and the paste took just a few seconds.
After more testing via the web I/F, I am seeing extremely slow moves across share boundaries, in an ssh window running 'top' I see fsbroker.cgi consuming 50-60% cpu. I've no idea what this is doing, well I think we do know, read-write-delete, but why is not clear.
Moves within the same share are practically instant (1-2 seconds), as you mention.
From an ssh window, I moved ~30GB across a share boundary using the mv command, it was virtually instant. I checked that the data was really moved, and as far as I could tell it was. The directories/files looked correct, du reported the right result.
Have I created any problems with file system integrity by moving data this way in a terminal session, or will the file system just figure it out?
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