Specifications

Reading back data of a recording being recorded in infinite mode may end up in reading back
data that will be (very) soon overwritten by the MDR.
ReadRecordingBlock
Declaration:
STATUS ReadRecordingBlock (UINT RecordingNo,
UINT FirstRecordingBlockToRead,
UINT RecordingBlocksToRead,
void * DataBuffer,
UINT DataBufferSize);
Description: Read user block(s) of a recording.
This function reads one or more user blocks of the recording specified by RecordingNo.
If the recording data contains tags then these tags are not read by the MDR and therefore
are not present in the data buffer. The
FirstRecordingBlockToRead and
RecordingBlocksToRead parameters map to the user block parameters in the
RECORDING structure corresponding to the specified recording. Hence, the
RecordingBlockSize specifies the size of the blocks.
Returned value:
OK or ERROR.
If
ERROR is returned then the errno variable will be set accordingly. See MdrDefs.h for
MDR
errno values.
Using the ReadRecordingBlock function while making a recording affects the recording
performance. The MDR Server may stop recording due to this.
Reading back data of a recording being recorded in infinite mode may end up in reading back
data that will be (very) soon overwritten by the MDR.
RemoveDisksFromDiskGroup
Declaration:
STATUS RemoveDisksFromDiskGroup (char * DiskGroupName,
UINT * DiskPortIdTbl,
UINT DiskPortIdTblSize,
BOOL ClearRecordingTable);
Description: Remove a list of disks from a disk group.
This function removes a list of disks (specified by their port identifier) from an existing
disk group (specified by its name).
When removing a list of disks from an existing disk group, the recording table contained
on the disk group is cleared or kept intact according to the value or the parameter
ClearRecordingTable. If the recording table is cleared then any recording data present
on the initial disk group or on the disks to add will be lost.
Returned value:
OK or ERROR.
If
ERROR is returned then the errno variable will be set accordingly. See MdrDefs.h for
MDR errno values.
56 MDR User Guide
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