Bevor ich versuche den ganzen Artikel zu übersetzen, bette ich diesen BlogPost von Justin Parisi hier mal rein.
NetApp FlexGroup: An evolution of NAS
I also cover name services (LDAP, NIS, DNS, etc.) and occasionally answer the stray CIFS/SMB question. I look at NAS as a data utility, not unlike water or electricity in your home. You need it, you love it, but you don’t really think about it too much and it doesn’t really excite you.