diff --git a/docs/reference/indices/shrink-index.asciidoc b/docs/reference/indices/shrink-index.asciidoc index 24a67208f7289..aa73d3d1350bb 100644 --- a/docs/reference/indices/shrink-index.asciidoc +++ b/docs/reference/indices/shrink-index.asciidoc @@ -17,7 +17,10 @@ Shrinking works as follows: * Then it hard-links segments from the source index into the target index. (If the file system doesn't support hard-linking, then all segments are copied - into the new index, which is a much more time consuming process.) + into the new index, which is a much more time consuming process. Also if using + multiple data paths, shards on different data paths require a full copy of + segment files if they are not on the same disk since hardlinks don’t work across + disks) * Finally, it recovers the target index as though it were a closed index which had just been re-opened.