void CMirDiskObject::MigrateV1()
{
if(::IsEmptyDisk(FirstDisk()) || ::IsEmptyDisk(SecondDisk()))
return;
//
// To migrate, all the disks in the bound must exist
// In version 1, only 2 disks can be bound.
//
ATLASSERT( GetDiskCount() == 2 );
// CUnitDiskObjectPtr firstDisk, secondDisk;
CUnitDiskObjectVector vtDisks;
// firstDisk = boost::dynamic_pointer_cast<CUnitDiskObject>( front() );
// secondDisk = boost::dynamic_pointer_cast<CUnitDiskObject>( back() );
vtDisks.push_back( FirstDisk() );
vtDisks.push_back( SecondDisk() );
//
// Unbind disks & bind again with version 2 information
//
FirstDisk()->UnBind( FirstDisk() );
SecondDisk()->UnBind( SecondDisk() );
FirstDisk()->Bind( vtDisks, 0, NMT_RAID1 );
SecondDisk()->Bind( vtDisks, 1, NMT_RAID1 );
}
void CAggrDiskObject::MigrateV1()
{
//
// To migrate, all the disks in the bound must exist
// In version 1, only 2 disks can be bound.
//
ATLASSERT( GetDiskCount() == 2 );
CUnitDiskObjectPtr firstDisk, secondDisk;
CUnitDiskObjectVector vtDisks;
firstDisk = boost::dynamic_pointer_cast<CUnitDiskObject>( front() );
secondDisk = boost::dynamic_pointer_cast<CUnitDiskObject>( back() );
vtDisks.push_back( firstDisk );
vtDisks.push_back( secondDisk );
//
// Unbind disks & bind again with version 2 information
//
firstDisk->UnBind( firstDisk );
secondDisk->UnBind( secondDisk );
firstDisk->Bind( vtDisks, 0, NMT_AGGREGATE );
secondDisk->Bind( vtDisks, 1, NMT_AGGREGATE );
}
BOOL CRAID0DiskObject::IsUsable() const
{
if ( GetDiskCount() < GetDiskCountInBind() )
return FALSE;
// requires all disks in bind be usable
BOOL bUsable = TRUE;
CDiskObjectList::const_iterator itr;
for ( itr = begin(); itr != end(); ++itr ) // Since CRAID0DiskObject is subclass of std::list,
// we can use begin, end directly
{
if ( !(*itr)->IsUsable() )
{
bUsable = FALSE;
break;
}
}
return bUsable;
}
int main(int argc,char * argv[]) {
printf("DiskCount： %d\n",GetDiskCount());
return 0;
}
