Tuesday, January 26, 2010

Netapp Qtree

What is Qtree

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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