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13 Posts

September 14th, 2010 16:00

Nevermind - I forgot that I had  the drive mapped as another user... Here's the output.


server_cifssupport server_2 -cred -name cmschube -domain lab
server_2 : done

ACCOUNT GENERAL INFORMATION

Name                     : cmschube
Domain                   : LAB
Server                   : LABNAS02
Primary SID              : S-1-5-15-6e8b75da-370ca1cd-71a54d1a-457
UID                      : 32768
GID                      : 32768
Authentification         : KERBEROS
Privileges               : 0x7f
                         : 0x00001  => SeTakeOwnerShip
                         : 0x00002  => SeBackup
                         : 0x00004  => SeRestore
                         : 0x00008  => SeChangeNotify
                         : 0x00010  => SeAudit
                         : 0x00020  => SeIncreaseQuota
                         : 0x00040  => SeSecurity
System privileges        : 0x3
                         : 0x00001  => SysOpenLocally
                         : 0x00002  => SysAccessNetworkLogon
Extra credential data    : 0xe
                         : 0x00002  => Bypass Traverse Checking
                         : 0x00004  => Security
                         : 0x00008  => Backup Or Restore Privileges
NT administrator         : True
NT credential capability : 0x2
                         : 0x00002  => Kerberos Auth Used

ACCOUNT GROUPS INFORMATION

Type UNIX ID    Name                Domain              SID
NT   32769      Domain Admins       LAB                 S-1-5-15-6e8b75da-370ca1cd-71a54d1a-200
NT   10000      Domain Users        LAB                 S-1-5-15-6e8b75da-370ca1cd-71a54d1a-201
NT   32774      Denied RODC Pass    LAB                 S-1-5-15-6e8b75da-370ca1cd-71a54d1a-23c
NT   4294967294 Everyone                                S-1-1-0
NT   4294967294 NETWORK             NT AUTHORITY        S-1-5-2
NT   4294967294 Authenticated Us    NT AUTHORITY        S-1-5-b
NT   2151678496 Administrators      BUILTIN             S-1-5-20-220
NT   2151678497 Users               BUILTIN             S-1-5-20-221
NT   1          UNIX GID=0x1 &ap                        S-1-5-12-2-1
UNIX 32769
UNIX 10000      Domain Users
UNIX 32774
UNIX 4294967294
UNIX 2151678496
UNIX 2151678497
UNIX 1

So - this leads me to three questions:

1. Why is it not pulling the UID/GID from the NIS - which there is a valid entry

2. Why is the secmap not getting updated?

Thanks again,

Chris

1 Rookie

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13 Posts

September 14th, 2010 16:00

Hey Rainer -

Thanks for taking a look..

We don't have a VDM since we aren't going to be doing any replicating, I

remember the installer mentioning something about it and then saying that

we don't need one since we won't be replicating.

Do you have any suggestion on which switch/switches to throw on

server_cifssupport?

Thanks,

Chris

1 Rookie

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13 Posts

September 14th, 2010 16:00

Rainer,

The secmap is enabled -


SECMAP GENERAL INFORMATION

Name             : server_2
State            : Enabled
Fs               : /
Used nodes       : 6
Used blocks      : 8192


SECMAP MAPPED DOMAIN

Name                    SID
lab                     S-1-5-15-6e8b75da-370ca1cd-71a54d1a-ffffffff

Thanks,

Chris

4 Operator

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8.6K Posts

September 14th, 2010 16:00

are you using a VDM by any chance?

if yes then you might be looking at the wrong secmap - each vdm has it's own

if you can connect through CIFS then you definitely got a mapping from somewhere and server_cifssupport will tell you where it came from

without a mapped uid/gid the Celerra wouldn't allow the connect

Rainer

4 Operator

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8.6K Posts

September 14th, 2010 16:00

of course if you have disabled secmap through a param then looking at the secmap won't do you any good

you then need to use the other server_cifssupport options to check creds

4 Operator

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8.6K Posts

September 14th, 2010 16:00

then I would suggest to open a service request or try support live chat - maybe someone can dialin and take a look

using multiple mapping methods like NIS and LDAP can be confusing unless you know how it works and have a good reason to do so

4 Operator

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8.6K Posts

September 14th, 2010 16:00

sorry - not from memory

there should be a manual or technote about it on Powerlink

if you can write a file from Windows then you did get a mapping for uid/gid

we don't "make them up"

4 Operator

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8.6K Posts

September 14th, 2010 17:00

if you want to use NIS for user mapping you either need to have the passwd/group entries there with both domain and user or drop the domain via cifs.resolver param

also don't forget case sensitivity

In general - when doing multi-protocol I recommend reading and understanding the relevant manuals

4 Operator

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8.6K Posts

September 14th, 2010 17:00

you do realize you ldap.conf says to first look at LDAP - if it gets a mapping there it won't look at NIS

275 Posts

September 14th, 2010 23:00

Have you checked that you can get a valid UID or GID mapping with "server_ldap server_2 -lookup" (check exact syntax)

Also check CIFS resolver param. By default the DM searches user.domain (not just user). Use server_param command to change it, name of the facility is "cifs"

Claude

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13 Posts

September 15th, 2010 04:00

Hey Claude -

Thanks for the response.

bergec wrote:

Have you checked that you can get a valid UID or GID mapping with "server_ldap server_2 -lookup" (check exact syntax)

Also check CIFS resolver param. By default the DM searches user.domain (not just user). Use server_param command to change it, name of the facility is "cifs"

Claude

I did get this working last night. Funny though, the ultimate resolution was to disable the cifs facility param (set it to 1 - even though everything I read told me to leave it enabled for an AD/IdMU configuration). I disabled my usermapper service and had to clean out some residual entries. I didn't realize that disabling the usermapper service just caused the dm to continue to query the usermapper's exisiting entries, just not to add new entries.

One thing I did notice though is that I had to query LDAP for the UID via "server_ldap server_2 -lookup -uid " before I could get "server_ldap server_2 -lookup -name -domain " to work. I don't think that should be normal operation?

But anywho, that should take care of this problem. Now to figure out why NFS is so bloody slow (4Mb/sec MAX copy rate ).

Thanks again everyone for the replies.

Chris

4 Operator

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8.6K Posts

September 15th, 2010 08:00

keep in mind that secmap is a permanent cache - an entry there will never get updated or expire unless you explicitly delete it with server_cifssupport

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