<font size=2 face="sans-serif">Assuming you have a recent version of Spectrum
Scale...</font><br><br><font size=2 face="sans-serif">You can use ACTION(SetXattr(...)) in
mmapplypolicy {MIGRATE,LIST} rules </font><br><font size=2 face="sans-serif">and/or in {SET POOL} rules that are
evaluated at file creation time. </font><br><br><font size=2 face="sans-serif">Later...</font><br><br><font size=2 face="sans-serif">You can use WHERE .... Xattr(...)
in any policy rules to test/compare an extended attribute. But
watch out for NULL! See the "tips" section of the ILM chapter
of the admin guide for some ways to deal with NULL (hints: COALESCE
, expr IS NULL, expr IS NOT NULL, CASE ... )<br></font><br><font size=2 face="sans-serif">See also mm{ch|ls}attr -d -X --hex-attr
and so forth.</font><br><br><font size=2 face="sans-serif">Also can be used compatibly with {set|get}fattr
on Linux </font><br><br><font size=2 face="sans-serif">--marc</font><BR>