Examining Filers
5-2 CLI Storage-Management Guide
• Capabilities - shows the transport protocols (TCP or UDP) and port numbers for
NFS and CIFS. For NFS, this shows the same information for portmapper and the
mount daemon: an NFS filer must support all three services. For CIFS servers,
this also shows the server-level security settings.
•
Shares - For NFS, this shows the Path of the export, the results of a UNIX
showmount -e command (which may be blank, depending on the text string that
the filer returns), and the
Status of a test mount from the ARX. The test mount
must succeed for the share to be usable in a namespace.
For CIFS, this shows each
Share name, the Total and Free storage space on the
share, and the
Serial Num of the storage volume behind the share. Note that the
space measures apply to the storage volume behind the share; if multiple shares
map to the same serial number (and therefore the same storage volume), their
space measures are all the same.
•
Time - this shows the time skew between the ARX and the filer, if any.
Namespace policy and Kerberos authentication (described in later chapters)
require that the clocks be nearly synchronized between the ARX and its filers;
NTP is recommended. If the filer has both CIFS and NFS shares, there may be
different skews for each server.
For example, the following command shows all four tables for a filer at
192.168.25.19:
bstnA6k> show exports host 192.168.25.19
Export probe of filer “192.168.25.19”
Connectivity:
Slot.Proc Proxy Address Ping (size: result)
--------- --------------- -------------------
3.1 192.168.25.31 64: Success 2000: Success 8820: Success
3.2 192.168.25.32 64: Success 2000: Success 8820: Success
3.3 192.168.25.33 64: Success 2000: Success 8820: Success
3.4 192.168.25.34 64: Success 2000: Success 8820: Success
3.5 192.168.25.55 64: Success 2000: Success 8820: Success
3.6 192.168.25.56 64: Success 2000: Success 8820: Success
CIFS Credentials: [anonymous]
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