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November 27th, 2014 02:00

symlink on cs

Hi,

To minimize impact on NFS clients, it was necessary to create symlinks so a new structure of fs exports from Celerra mapped to the old system, Now we have migrated the fs on the celerra, so its necesssary to update the symlinks. I know somewhere it is possible to get a r/w view on the cs so I can accomplish this, but for the life of me I cannot remember how, does anyone know how to do this ?

December 4th, 2014 23:00

Hi,

Are you looking for this:

# server_param server_3 -facility shadow -info followabsolutpath -v

server_3 :

name = followabsolutpath

facility_name = shadow

default_value = 0

current_value = 0

configured_value =

user_action = none

change_effective = immediate

range = (0,3)

description = Whether to follow the absolute path in symlinks

param shadow followabsolutpath=0

_Neither bit 0 or 1 is set and CIFS cannot follow Unix symbolic link paths

param shadow followabsolutpath=1

_=1 means that bit 0 is set & symbolic links are enabled--root-owned absolute path symlinks can be followed by CIFS Users

param shadow followabsolutpath=3

_=3 means that bit 0 & 1 are set, symbolic links are enabled, and CIFS Users can follow any absolute path symlink (See AR84916)

Thanks

Jyothi

4 Operator

 • 

8.6K Posts

December 5th, 2014 06:00

Another way to create symlinks is the little kown NFS aliasing feature – if you use the name option for server_export –P nfs it will actually create a symlink

For example if you use

server_export server_2 -P nfs –name fs_nw_new /root_vdm_5/fs_nw_test

it will create a symlink /fs_nw_new pointing to /root_vdm_5/fs_nw_test in the data mover root

This way clients can mount the NFS share using either path

3 Apprentice

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318 Posts

December 7th, 2014 23:00

Obscure and useful information !

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