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I'm using VirtualBox 3 on my Ubuntu 9.04 desktop, and I've got a VM with Windows XP sp3 mapping my ~/Documents folder as a shared folder. The virtualised Windows is mapping My Documents to the shared folder directly (//vboxsvr/Documents).
The problem is that every time that I'm interacting with the shared folder (i.e.: access, list files, etc.) it takes several seconds to do so.
Is there a way to speed this up?
voyager
Posted 2009-07-21T21:20:17.900
Reputation: 2 490
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It seems to be an issue with name resolution. That happens on Windows machines while it tries to use the virtual network adapter to resolve the name. I have resolved this issue on a Windows host, but not on an Ubuntu host.
I found this site that has some suggestions:
In
C:\WINDOWS\system32\drivers\etc\hostschange the line127.0.0.1 localhostby appending
Vboxsvrand your computer name
so for a computer namedthe_boxit would become127.0.0.1 localhost Vboxsvr the_box
Chris Thompson
Posted 2009-07-21T21:20:17.900
Reputation: 4 765
Yes that is what I did, edited the abovementioned file in the Windows guest. Also edited lmhosts to include 255.255.255.255 VBOXSVR #PRE 255.255.255.255 VBOXSRV #PRE as I have seen in official VirtualBox documentation. Performance still very poor when using the shared folder in a Windows 10 guest on Ubuntu host (operations using the guest’s native disk are fine). – Jesse Glick – 2017-06-22T18:19:52.660
See https://www.virtualbox.org/manual/ch12.html#idm11324 by the way.
– Jesse Glick – 2018-09-22T04:31:11.487Already saw the linked-to site but it did not help me... editing \etc\hosts has no effect on speed, and anyway my share is already mounted as a drive letter, but access to it is still far slower than local disk. 4.1.2 guest additions. – Jesse Glick – 2012-05-08T15:34:19.687
My understanding was that the hosts file fix was only for Windows guests (in fact the hosts file has to be changed in the guest, not the host) since their shares are mounted as network drives. – Codebling – 2012-08-27T21:26:23.327
I think it is only slow in listing. Writing and reading are not slow. – bert – 2009-11-18T20:35:11.247
I have the exact same problem with an XP Host and both an Ubuntu guest and XP guest. Must be a VirtualBox thing (versus an O/S thing). I'd be interested in seeing a solution. – Michael Todd – 2009-07-21T22:41:33.837