Unmount, Ost service – HP StorageWorks Scalable File Share User Manual
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Glossary–3
OST service
The Object Storage Target software subsystem that provides object services in a Lustre file system.
See also Object Storage Server
Portals
A message passing interface API used in HP SFS versions up to and including Version 2.1-1.
Python
Python is an interpreted, interactive, object-oriented programming language from the Python Software
Foundation (refer to
reboot
To bring the system down to the firmware level and restart the operating system.
role
A system function that is explicitly assigned to one or more servers in the system. The following roles can
be assigned to servers: administration server, MDS (meta-data) server, Object Storage Server.
root
The login name for the superuser (system administrator).
See also superuser
root login
See root
rsh
Remote shell. A networking command to execute a given command on a remote host, passing input to it
and receiving output from it.
ssh
Secure Shell. A shell program for logging into and executing commands on a remote computer. It can
provide secure encrypted communications between two untrusted hosts over an insecure network.
superuser
A user possessing privileges to override the normal restrictions on file access, process control, and so
forth. A user who possesses these privileges becomes a superuser by issuing the
su
command, or by
logging into the system as the user root.
TCP/IP
The standard Ethernet protocol that was developed for Internet networking; it encompasses both a
network layer and transport layer protocols. TCP provides for reliable, connection-oriented data transfer.
unmount
The process that announces to the system that a file system previously mounted on a specified directory is
to be removed. Lustre file systems are unmounted using the
sfsumount
(8) command.
See also mount
URL
Uniform Resource Locator. The address of a file or other resource accessible on the Internet. The type of
file or resource depends on the Internet application protocol. For example, using the HyperText Transfer
Protocol (HTTP), the file can be an HTML page, an image file, or a program such as a CGI application or
Java applet. Such an address would look like this:
hich is the URL for the HP
corporate Web site.