[PATCH 1/2] ndctl: add warning about overwrite taking a long time

Add warning note in man page that overwrite may take a long time to execute. Suggested-by: Robert Elliot <elliott(a)hpe.com&gt; Signed-off-by: Dave Jiang <dave.jiang(a)intel.com&gt; --- Documentation/ndctl/ndctl-sanitize-dimm.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/ndctl/ndctl-sanitize-dimm.txt b/Documentation/ndctl/ndctl-sanitize-dimm.txt index 797820dd..ebf4b995 100644 --- a/Documentation/ndctl/ndctl-sanitize-dimm.txt +++ b/Documentation/ndctl/ndctl-sanitize-dimm.txt @@ -49,7 +49,8 @@ include::xable-dimm-options.txt[] Wipe the entire DIMM, including label data. This can take significant time, and the command is non-blocking. With this option, the overwrite request is merely submitted to the NVDIMM, and the completion is - asynchronous. + asynchronous. Depending on the medium and capacity, overwrite may take + tens of minutes to many hours. -m:: --master_passphrase::