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From: Justin Pryzby <[email protected]>
Subject: [PATCH] Clean up pg_checksums.sgml
Date: Thu, 28 Mar 2019 19:20:52 -0500

---
 doc/src/sgml/ref/pg_checksums.sgml | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/doc/src/sgml/ref/pg_checksums.sgml b/doc/src/sgml/ref/pg_checksums.sgml
index 47d4a62..01c65fe 100644
--- a/doc/src/sgml/ref/pg_checksums.sgml
+++ b/doc/src/sgml/ref/pg_checksums.sgml
@@ -39,15 +39,16 @@ PostgreSQL documentation
    <application>pg_checksums</application> checks, enables or disables data
    checksums in a <productname>PostgreSQL</productname> cluster.  The server
    must be shut down cleanly before running
-   <application>pg_checksums</application>. The exit status is zero if there
-   are no checksum errors when checking them, and nonzero if at least one
-   checksum failure is detected. If enabling or disabling checksums, the
+   <application>pg_checksums</application>. When verifying checksums, the exit
+   status is zero if there are no checksum errors, and nonzero if at least one
+   checksum failure is detected. When enabling or disabling checksums, the
    exit status is nonzero if the operation failed.
   </para>
 
   <para>
-   While checking or enabling checksums needs to scan or write every file in
-   the cluster, disabling checksums will only update the file
+   When verifying checksums, every file in the cluster is scanned;
+   When enabling checksums, every file in the cluster is also rewritten.
+   Disabling checksums only updates the file
    <filename>pg_control</filename>.
   </para>
  </refsect1>
@@ -218,10 +219,9 @@ PostgreSQL documentation
   </para>
   <para>
    If <application>pg_checksums</application> is aborted or killed while
-   enabling or disabling checksums, the cluster will keep the same
-   configuration for data checksums as before the operation attempted.
-   <application>pg_checksums</application> can be restarted to
-   attempt again the same operation.
+   enabling or disabling checksums, the cluster's checksum state will be
+   unchanged, and <application>pg_checksums</application> would need to be
+   rerun and start its operation from scratch.
   </para>
  </refsect1>
 </refentry>
-- 
2.1.4


--WYTEVAkct0FjGQmd--

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