Qtrees enable you to partition your volumes into smaller segments that you can manage individually.You can set a qtree's size or security style,back it up, and restore it.
when you use qtree
You use qtrees to partition your data. You might create qtrees to organize your data, or to manage one or more of the following factors: quotas, backup strategy, security style, and CIFS oplocks setting.
Creating Qtree
qtree create /vol/users/news -m 770
-m -> mode is used to specify the unix style permission.
Displaying Qtree Status
filer1>qtree status
iel> qtree status
Volume Tree Style Oplocks Status
-------- -------- ----- -------- ---------
vol0 unix enabled normal
bg_vol1 unix enabled normal
bg_vol1 home unix enabled snapvaulted
bg_vol1 users ntfs enabled snapvaulted
vol7 unix enabled normal
vol7 apps ntfs disabled snapmirrored
bg_vol2 unix enabled normal
bg_vol2 projects unix enabled snapvaulted
bg_vol2 share ntfs enabled snapvaulted
bg_vol2 svndata unix enabled snapvaulted
sj_vol5 unix enabled normal
sj_vol5 doc unix enabled snapvaulted
bg_archive unix enabled normal
bg_archive docblr unix enabled normal
cm_sync_vol unix enabled normal
cm_sync_vol rtools unix enabled snapvaulted
vol8 unix enabled normal
vol8 bglab unix enabled normal
vol6 unix enabled normal
vol6 sandbox unix enabled snapvaulted
vol3 unix enabled normal
filer1> qtree stats vol5
Volume Tree NFS ops CIFS ops
-------- -------- ------- --------
vol5 dvtbox 0 0
vol5 fwbox 0 0
vol5 swbox 0 0
Managing CIFS Oplocks
CIFS oplocks reduce network traffic and improve storage system performance
ys1> options cifs.oplocks.enable on
sys1> qtree oplocks /vol/vol2/proj enables
Qtree Security
Qtree security /vol/vol1/users unix
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