[gpfsug-discuss] fast ACL alter solution

[Marc A Kaplan]

You asked:

"your description of the ACL implementation looks like each file has some 
sort of reference to the ACL - so multiple files could reference the same 
physical ACL data. In our case, we need to set a large number of files 
(and directories) to the same ACL (content) - could we take any benefit 
from these 'pseudo' referencing nature ? i.e. set ACL contents once and 
the job is done ;-). It looks that mmputacl can only access the ACL data 
'through' a filename and not 'directly' - we just need the 'dirty' way ;-)
"


Perhaps one could hack/patch that - but I can't recommend it.  Would you 
routinely hack/patch the GPFS metadata that comprises a directory? 
Consider replicated and logged metadata ... Consider you've corrupted the 
hash table of all ACL values...

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