Root cannot write to NFS export . root squashed?

Question

On Isilion ISI-1# ls -lead /ifs/dev/homedrwxr-xr-x 4 root wheel 62 Nov 19 16:04 /ifs/dev/homeOWNER: user:rootGROUP: group:wheel Mounted on Linux Box nesprd:/# df -h isiFilesystem Size Used Avail Use% Mounted onisilion:/ifs/dev/home 57G 6.6G 26G 21% /isi nesprd:/# ls -ld /isidrwxr-xr-x 4 root root 62 Nov 19 11:04 /isi nesprd:/# touch /isi/testtouch: cannot touch ‘/isi/test’: Permission denied              -Why Failing ? On Isilion ISI-1# isi nfs export view 2 --zone DevID: 2Zone: DevPaths: /ifs/dev/homeDescription: Clients: -Root Clients: nesprdRead Only Clients: -Read Write Clients: -All Dirs: NoChown Restricted: NoCommit Asynchronous: NoMap Lookup UID: NoMap Retry: YesMap RootEnabled: TrueUser: root Primary Group: -Secondary Groups: -Map Non RootEnabled: FalseUser: nobodyPrimary Group: -Secondary Groups: -Map FailureEnabled: FalseUser: nobodyPrimary Group: -Secondary Groups: -Map Full: YesMax File Size: 8192.00PName Max Size: 255No Truncate: NoRead Only: NoSecurity Type: unix

Phil.Lam · Answer

@JJamesk,   root squashing is the default for NFS exports on Powerscale/Isilon clusters. http://doc.isilon.com/onefs/8.1.1/help/en-us/ifs_t_create_root_squash_rule_gui.html

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