private void splitStoreFile(final StoreFile sf, final Path splitdir)
throws IOException {
FileSystem fs = this.parent.getFilesystem();
byte [] family = sf.getFamily();
String encoded = this.hri_a.getEncodedName();
Path storedir = Store.getStoreHomedir(splitdir, encoded, family);
StoreFile.split(fs, storedir, sf, this.splitrow, Range.bottom);
encoded = this.hri_b.getEncodedName();
storedir = Store.getStoreHomedir(splitdir, encoded, family);
StoreFile.split(fs, storedir, sf, this.splitrow, Range.top);
}