Changes between Version 80 and Version 81 of Processing

Timestamp:

Aug 5, 2010, 3:07:18 PM (16 years ago)

Author:

rhenders

Comment:

--

Processing

@@ -230 +230 @@
 == Reverting ==
 
-Another column in the same tables is 'fault', which is populated with integer values with the following definitions:
+When exposures fail at a certain stage (chip, cam, warp etc) they are given a 'fault' code:
 
 || '''Code''' || '''Description''' ||
@@ -241 +241 @@
 || >6 || Reserved for magic ||
 
-The faults are often of value '2', which is more often than not an NFS error and can be resolved by 'reverting'. For examples, for warps with a fault 2, you can revert with
+It is sometimes possible to 'revert' certain failed exposures. Reverting simply means attempting to process an exposure second time in case the cause of the fault was temporary, for example an NFS error. Faults like these are usually given fault code '2'. Turning reverts on via the czartool page will attempt to revert all those exposures that failed with code '2'. Behind the scenes, czartool is using {{{pantasks_client}}} to perform the reverts, as described in the next section.
+
+=== Reverting from {{{pantasks_client}}} ===
+
+To manually revert failures with fault code 2, do something like the following in {{{pantasks_client}}}
 
 {{{
@@ -247 +251 @@
 }}}
 
-Remember to switch off again afterwards with
+And off again with
 
 {{{
@@ -268 +272 @@
 destreak.on
 }}}
+
+=== Reverting faults with codes other than 2 ===
+
+By running the stage tool program directly it may be possible to revert failures with codes other than 2. For example, for the chip stage:
+
+
+{{{
+chiptool -revertprocessedimfile -label M31.nightlyscience -fault 4 -dbname gpc1
+}}}
+
+Similar arguments can be used with {{{warptool}}}, {{{camtool}}} etc.
+
 
 == Removing a troublesome host ==