Wrap up blog post a bit better.

diff --git a/blog/data/2017-11-01-storage-fault-tolerance.txt b/blog/data/2017-11-01-storage-fault-tolerance.txt
index e12a92291e1937874a1c1a68cbea54dd036e27f9..065c2f380b4616eb86f9ff14573daf1018a08f6f 100644 (file)
--- a/blog/data/2017-11-01-storage-fault-tolerance.txt
+++ b/blog/data/2017-11-01-storage-fault-tolerance.txt
@@ -61,4 +61,8 @@ L. N. Bairavasundaram, G. R. Goodson, S. Pasupathy, and J. Schindler</li>
 <p>Several of these research papers are based on data collected from
 hundred thousands or millions of disk, and their findings are eye
 opening.  The short story is simply do not implicitly trust RAID or
-redundant storage systems.  Details matter.</p>
+redundant storage systems.  Details matter.  And unfortunately there
+are few options on Linux addressing all the identified issues.  Both
+ZFS and Btrfs are doing a fairly good job, but have legal and
+practical issues on their own.  I wonder how next generation cluster
+file systems like Ceph do in this regard.</p>