Date: Mon, 06 Dec 2010 17:47:36 -0500 From: Joe Auty <joe@netmusician.org> To: =?UTF-8?B?RWR3YXJkIFRvbWFzeiBOYXBpZXJhxYJh?= <trasz@FreeBSD.org> Cc: freebsd-fs@freebsd.org Subject: Re: Migrating from NFSv3 to v4 - NFSv4 ACL/permission confusion Message-ID: <4CFD6808.8010004@netmusician.org> In-Reply-To: <408E7ECD-C232-47DD-9D24-389F2CA4E406@FreeBSD.org> References: <1124305635.1255931.1291670668724.JavaMail.root@erie.cs.uoguelph.ca> <4CFD5D73.1050601@netmusician.org> <F8F7A4F9-7E1F-4B32-98D3-F595063238D7@FreeBSD.org> <4CFD6506.7090901@netmusician.org> <408E7ECD-C232-47DD-9D24-389F2CA4E406@FreeBSD.org>
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Edward Tomasz Napiera=C5=82a wrote: > Wiadomo=C5=9B=C4=87 napisana przez Joe Auty w dniu 2010-12-06, o godz. = 23:34: >> Edward Tomasz Napiera=C5=82a wrote: >>> Wiadomo=C5=9B=C4=87 napisana przez Joe Auty w dniu 2010-12-06, o godz= . 23:02: >>>>> Also, make sure "ls -l" is not reporting "nobody". If the user/grou= p >>>>> name mapping isn't working, most Setattr Ops will fail. >>>>> >>>>> rick >>>>> >>>> Thanks Rick, >>>> >>>> I will look into this, but for the benefit of my own education, are >>>> NFSv4 ACLs supposed to be intertwined or separate from standard Unix >>>> permissions? I'm confused as to how the ACLs have changed from v3, o= r if >>>> this is even relevant to my problem not really knowing how they work= and >>>> why they are needed :) >>> Both POSIX.1e and NFSv4 ACLs are similar in that they both influence >>> the mode, and get influenced by it. In other words, when you change >>> the ACL, the mode gets updated; when you change the mode, the ACL get= s >>> updated. Also, for both POSIX.1e and NFSv4 ACLs, file mode continues >>> to work as usual if you ignore the ACL part. >>> >> Thanks for this! >> >> So, if I want to just ignore the NFSv4 ACLs on account of not needing >> anything beyond the POSIX ACLs, I'm free to do so without consequence.= .. >> Correct? > > If you want to just ignore the ACLs on account of not needing anything > beyond the file mode, aka standard UNIX permissions. Filesystems > support either POSIX.1e ACLs, or NFSv4 ACLs, not both. I didn't > actually test NFSv4, but I guess it uses NFSv4 ACLs, not POSIX.1e. > ZFS supports NFSv4 only. UFS supports either POSIX.1e or NFSv4, > depending on the mount options. I might be misunderstanding you, but ZFS definitely supports NFSv3 because I've been mounting and using NFS volumes via this protocol version for quite some time now without incident. > -- > If you cut off my head, what would I say? Me and my head, or me and my= body? > --=20 Joe Auty, NetMusician NetMusician helps musicians, bands and artists create beautiful, professional, custom designed, career-essential websites that are easy to maintain and to integrate with popular social networks. www.netmusician.org <http://www.netmusician.org>; joe@netmusician.org <mailto:joe@netmusician.org>
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