rsync Digest, Vol 163, Issue 1

Fri Jul 1 12:13:02 UTC 2016

Check if the FAQ here can be helpful:
https://www.itefix.net/content/permissions-filesdirectories-are-clutteredmixed

Tev

2016-07-01 14:00 GMT+02:00 <rsync-request at lists.samba.org>:

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> ---------------------------------------
> Today's Topics:
>
>    1. rsync on Windows questions (Fabian Cenedese)
>    2. Re: rsync on Windows questions (Simon Hobson)
>    3. Re: rsync on Windows questions (Fabian Cenedese)
>    4. Re: rsync on Windows questions (Fabian Cenedese)
>
>
> ---------- Videresendt e-post ----------
> From: Fabian Cenedese <Cenedese at indel.ch>
> To: rsync at lists.samba.org
> Cc:
> Date: Fri, 01 Jul 2016 09:15:30 +0200
> Subject: rsync on Windows questions
> Hi
>
> I'm using a cygwin compiled rsync on Windows to backup
> and restore files from my local Windows computer. I'm trying
> several destination types:
>
> - remote with rsync://
> - Samba share \\Server\Share
> - local drive
>
> I'm having problems with the user rights. The backup works
> ok but after restoring some files I can't access them. I've
> read that this is because rsync runs as cygwin user and the
> *ix rights are completely different than the Windows ACLs.
> I've tried various combinations of -o -g -acl -p etc. But none
> worked so I could access my files immediately. Some people
> had success when adding in their cygwin /etc/fstab a mount
> parameter noacl. However I don't have a full cygwin, only the
> rsync binary and the necessary cygwin dlls. The only
> parameter that helped somehow was
>
> --chmod=a=rwx,Da+x
>
> Is there no other possibility? Can I maybe tell cygwin to use
> a custom fstab from my installation directory? How do other
> people use rsync on Windows?
>
> And a second question: Do --copy-dest or --link-dest
> help on local targets? Or does this create even
> more stress on the disk?
>
> Thanks
>
> bye  Fabi
>
>
>
>
>
>
> ---------- Videresendt e-post ----------
> From: Simon Hobson <linux at thehobsons.co.uk>
> To: "rsync at lists.samba.org" <rsync at lists.samba.org>
> Cc:
> Date: Fri, 1 Jul 2016 09:12:19 +0100
> Subject: Re: rsync on Windows questions
> Fabian Cenedese <Cenedese at indel.ch> wrote:
>
> > I'm having problems with the user rights. The backup works
> > ok but after restoring some files I can't access them.
>
> That's to be expected.
> NTFS has a very rich permissions system and rsync won't be capturing that.
> While it's a PITA, your best best is resetting permissions after restore.
> It's probably as 'simple' (for your own documents etc) to select the top
> level folder they are in, go to permissions, and have Windows re-apply them
> recursively - but as to the exact steps, I can't remember as Windows is
> something I avoid as much as I can get away with.
>
> It's actually rather funny, but sad, that NTFS has a security model
> waaaaaay more capable and nuanced than most Unix systems (even some with
> ACLs) - yet until relatively recently, Windows didn't take advantage of
> this.
>
> > And a second question: Do --copy-dest or --link-dest
> > help on local targets? Or does this create even
> > more stress on the disk?
>
> I don't think NTFS supports hard links, and if it doesn't then link-dest
> won't work anyway.
>
> Overall, while rsync is a good tool for many things, for backups in the
> Windows world it's probably not a good fit except for your own documents
> where it's "easy" to reset file permissions after a restore. Trying to do
> other than documents (ie the system and applications) is pretty well
> guaranteed to lead to security permissions screwed up to the point where
> it's not worth doing the backup in the first place.
>
>
>
>
>
> ---------- Videresendt e-post ----------
> From: Fabian Cenedese <Cenedese at indel.ch>
> To: "rsync at lists.samba.org" <rsync at lists.samba.org>
> Cc:
> Date: Fri, 01 Jul 2016 10:35:00 +0200
> Subject: Re: rsync on Windows questions
> At 10:12 01.07.2016, Simon Hobson wrote:
> >> I'm having problems with the user rights. The backup works
> >> ok but after restoring some files I can't access them.
> >
> >That's to be expected.
> >NTFS has a very rich permissions system and rsync won't be capturing
> that. While it's a PITA, your best best is resetting permissions after
> restore. It's probably as 'simple' (for your own documents etc) to select
> the top level folder they are in, go to permissions, and have Windows
> re-apply them recursively - but as to the exact steps, I can't remember as
> Windows is something I avoid as much as I can get away with.
>
> I know how to do it (or at least managed to do it manually), but this
> backup
> and restore should also be usable for "normal" users that don't know about
> or don't want to fiddle with access rights.
>
> >Overall, while rsync is a good tool for many things, for backups in the
> Windows world it's probably not a good fit except for your own documents
> where it's "easy" to reset file permissions after a restore. Trying to do
> other than documents (ie the system and applications) is pretty well
> guaranteed to lead to security permissions screwed up to the point where
> it's not worth doing the backup in the first place.
>
> This is meant to copy local documents so they're not lost in case of a
> locky attack. This is not a complete backup, just kind of a Windows poor
> man's time-machine where the files on the server are not accessible to
> viruses. It'd be perfect if I could just force rsync to run as the local
> user
> instead of some linux/cygwin user. OK, the best thing would be a native
> rsync for Windows :)
>
> There are several tools out there that use a cygwin rsync and just offer
> a GUI for easier handling. I was wondering if they don't have this problem
> or if they compile a special rsync without the user rights stuff.
>
> Thanks
>
> bye  Fabi
>
>
>
>
>
> ---------- Videresendt e-post ----------
> From: Fabian Cenedese <Cenedese at indel.ch>
> To: "rsync at lists.samba.org" <rsync at lists.samba.org>
> Cc:
> Date: Fri, 01 Jul 2016 11:31:15 +0200
> Subject: Re: rsync on Windows questions
> At 10:35 01.07.2016, Fabian Cenedese wrote:
> >At 10:12 01.07.2016, Simon Hobson wrote:
> >>> I'm having problems with the user rights. The backup works
> >>> ok but after restoring some files I can't access them.
> >>
> >>That's to be expected.
> >>NTFS has a very rich permissions system and rsync won't be capturing
> that. While it's a PITA, your best best is resetting permissions after
> restore. It's probably as 'simple' (for your own documents etc) to select
> the top level folder they are in, go to permissions, and have Windows
> re-apply them recursively - but as to the exact steps, I can't remember as
> Windows is something I avoid as much as I can get away with.
> >
> >I know how to do it (or at least managed to do it manually), but this
> backup
> >and restore should also be usable for "normal" users that don't know about
> >or don't want to fiddle with access rights.
>
> I'm now trying the MinGW/MSYS rsync. That is older (3.0.8) but seems to
> work much better concerning user rights.
>
> Thanks
>
> bye  Fabi
>
>
>
>
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