ADIC Digital Camera 601355 Rev A 사용자 설명서
API Guide
601355 Rev A
API Functions
2-641
Functions
VSCMD_Drive
Vary
Vary
VSCMD_DriveVary
is issued to execute VolServ Drive Vary
requests and to change the operational availability of a drive.
The drive and target state (
VSE_COMP_ONLINE
,
VSE_COMP_OFFLINE
, or
VSE_COMP_DIAGNOSTIC
) must
be specified.
A drive in the off-line, unavailable, or diagnostic state is
excluded from VolServ's drive selection algorithm.
excluded from VolServ's drive selection algorithm.
A Mount or Lock request for an off-line, unavailable, or
diagnostic drive fails.
diagnostic drive fails.
Conversely, varying a drive to the on-line state makes it
available for selection for Mount or Lock requests.
available for selection for Mount or Lock requests.
Upon receipt of a Drive Vary request, VolServ attempts to
change the state of the specified drive. The return code
presented to the client indicates the success or failure of the
command.
change the state of the specified drive. The return code
presented to the client indicates the success or failure of the
command.
Synopsis
VST_BOOLEAN VSCMD_DriveVary
( VST_COMMAND_HANDLE handle,
"…",
VSID_ENDFIELD )
( VST_COMMAND_HANDLE handle,
"…",
VSID_ENDFIELD )
Arguments
•
handle
= The command handle for this Drive Vary
request.
•
"
…
"
= Variable length argument list consisting of pairs of
arguments. Each pair of arguments consists of a parameter
identifier, followed by the value of the field to use for this
request. The valid parameter identifiers and types for this
function are shown in the following "Parameters"
paragraph.
identifier, followed by the value of the field to use for this
request. The valid parameter identifiers and types for this
function are shown in the following "Parameters"
paragraph.