On Fri, Jul 26, 2013 at 01:13:03AM +0200, Spelic wrote: > Hi all > we have an ubuntu 10.04 NFS4 client and an ubuntu 13.04 NFS4 server. LDAP. > The serverside filesystem sees perfect UID/GIDs for files, but sends > numeric ones to client side. Client side then maps to > nobody/nogroup. Or this is what it seems The client *should* be able to map those id's. I think this might be a bug in older idmapd? You can work around this by turning off the new server behavior by setting the nfsd.nfs4_disable_idmapping module parameter to 0. --b. > > This is a packet from server to client due to an "ls -l" > > 0000 00 25 64 fc 69 c6 52 54 00 15 36 aa 08 00 45 00 .%d.i.RT ..6...E. > 0010 00 f4 68 22 40 00 40 06 42 39 c0 a8 07 30 c0 a8 ..h"@.@. B9...0.. > 0020 07 28 08 01 03 58 8c 62 27 4e 16 ac d1 51 80 18 .(...X.b 'N...Q.. > 0030 00 bd 90 8f 00 00 01 01 08 0a 1c c8 49 28 05 6c ........ ....I(.l > 0040 11 d3 80 00 00 bc 62 a6 2a c7 00 00 00 01 00 00 ......b. *....... > 0050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ > 0060 00 00 00 00 00 00 00 00 00 02 00 00 00 16 00 00 ........ ........ > 0070 00 00 00 00 00 09 00 00 00 00 00 00 00 02 00 10 ........ ........ > 0080 01 1a 00 30 a2 3a 00 00 00 78 00 00 00 01 51 ee ...0.:.. .x....Q. > 0090 5a 4f 27 aa 8d 2b 00 00 00 00 49 3e 00 00 45 91 ZO'..+.. ..I>..E. > 00a0 00 63 f4 8c 43 f5 b7 45 af ac 40 80 06 ce 00 00 .c..C..E ..@..... > 00b0 00 00 01 c0 00 02 00 00 01 a4 00 00 00 01 00 00 ........ ........ > 00c0 00 04 31 30 33 37 00 00 00 02 32 30 00 00 00 00 ..1037.. ..20.... > 00d0 00 00 00 00 00 00 00 00 00 00 49 3e 10 00 00 00 ........ ..I>.... > 00e0 00 00 51 ee 5a 3d 11 04 0b e0 00 00 00 00 51 ee ..Q.Z=.. ......Q. > 00f0 5a 4f 27 aa 8d 2b 00 00 00 00 51 ee 5a 4f 27 aa ZO'..+.. ..Q.ZO'. > 0100 8d 2b .+ > > > The 1037 and 20 you see are the numeric uid and gid being sent to > client side for one file, but I suspect client side wants usernames > and groupnames as strings, not as numbers. So remaps to nobody. > > Curiously when clientside creates a file I don't see numeric uid or > string usernames passing at all, but the filesystem at serverside > has correct uid/gid for the file being created so somehow they are > passed. I don't really know how to read the NFS4 packets... > > Is it an /etc/request-key.conf problem? I just installed keyutils > but doesn't appear to help. > > This is idmapd.conf on both sides > ============================ > [General] > > Verbosity = 10 > Pipefs-Directory = /run/rpc_pipefs > # set your own domain here, if id differs from FQDN minus hostname > Domain = localdomain > > [Mapping] > > Nobody-User = nobody > Nobody-Group = nogroup > > [Translation] > > Method = nsswitch > ============================ > > Thanks for any help > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
