From 4141d955884670e74a1f442dde31ade02f10b21f Mon Sep 17 00:00:00 2001 From: Zooko O'Whielacronx Date: Wed, 16 Jun 2010 07:02:27 -0700 Subject: [PATCH] Add a note about running Tahoe-LAFS on a small grid to running.html also Change "tahoe" and "Tahoe" to "Tahoe-LAFS" in running.html author: Kevan Carstensen --- docs/running.html | 46 ++++++++++++++++++++++++++++------------------ 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/docs/running.html b/docs/running.html index bda37ead..4cb836f3 100644 --- a/docs/running.html +++ b/docs/running.html @@ -11,17 +11,17 @@

How To Start Tahoe-LAFS

This is how to run a Tahoe client or a complete Tahoe grid. First you - have to install the Tahoe software, as documented in This is how to run a Tahoe-LAFS client or a complete Tahoe-LAFS grid. First you + have to install the Tahoe-LAFS software, as documented in install.html.

The tahoe executable in the bin directory is +

The Tahoe-LAFS executable in the bin directory is used to create, start, and stop nodes. Each node lives in a separate base directory, in which there is a configuration file named tahoe.cfg. Nodes read and write files within this base directory.

A grid consists of a set of nodes, computers running - the tahoe code, each of these nodes functions as in one of the + the Tahoe-LAFS code, each of these nodes functions as in one of the following roles:

@@ -34,17 +34,17 @@

If you're getting started we recommend you try connecting to - the the + the the public test grid as you only need to create a client node. When you want to create your own grid you'll need to create the introducer and an initial storage nodes.

To construct a client node, run - "path-to-the-tahoe-bin-directory/tahoe + "path-to-the-tahoe-bin-directory/Tahoe-LAFS create-client", which will create ~/.tahoe to be the node's base directory. Acquire a copy of the introducer.furl from the introducer and put it into this directory, then use - "path-to-the-tahoe-bin-directory/tahoe + "path-to-the-tahoe-bin-directory/Tahoe-LAFS run". After that, the node should be off and running. The first thing it will do is connect to the introducer and get itself connected to all other nodes on the grid. By default, a node will serve as a storage @@ -54,18 +54,18 @@

To construct an introducer, create a new base directory for it (the name of the directory is up to you), cd into it, and run - "path-to-the-tahoe-bin-directory/tahoe + "path-to-the-tahoe-bin-directory/Tahoe-LAFS create-introducer .". Now run the introducer using - "tahoe start .". After it starts, it will write a file named + "Tahoe-LAFS start .". After it starts, it will write a file named introducer.furl in that base directory. This file contains the URL the other nodes must use in order to connect to this introducer.


 
 
-    The "tahoe run" command above
+    
The "Tahoe-LAFS run" command above
     will run the node in the foreground. On Unix, you can run it in the background
-    instead by using the "tahoe start" command.
-    To stop a node started in this way, use "tahoe stop".
-    tahoe --help gives a summary of all commands.
+    instead by using the "Tahoe-LAFS start" command.
+    To stop a node started in this way, use "Tahoe-LAFS stop".
+    Tahoe-LAFS --help gives a summary of all commands.
 
 
     See configuration.txt for more
@@ -76,21 +76,21 @@
 
     
If your node is behind a firewall or NAT device and you want other
     clients to connect to it then you'll need to open a port in your
-    firewall.  To do that you'll need to know which port tahoe is listening on.
-    If you haven't already set a port number, tahoe picks a random port to
+    firewall.  To do that you'll need to know which port Tahoe-LAFS is listening on.
+    If you haven't already set a port number, Tahoe-LAFS picks a random port to
     listen on and remembers this port number in the
-    ~/.tahoe/client.port file.  To tell tahoe to listen to a fixed
+    ~/.tahoe/client.port file.  To tell Tahoe-LAFS to listen to a fixed
     port, open the ~/.tahoe/tahoe.cfg file in your favourite text
     editor and changing the tub.port line to something like the
     following:
 
     tub.port = 8098
 
-    This tells tahoe to always listen on port 8098 of your
+    
This tells Tahoe-LAFS to always listen on port 8098 of your
     computer.  The next issue is that your computer may be behind a
     NATing router and isn't directly connected to the internet but
     goes through a router to get out.  If that's the case then you'll
-    need to set the tub.location option so that tahoe
+    need to set the tub.location option so that Tahoe-LAFS
     tells the introducer where you're really listening:
 
     tub.location = myserver.mydomain.org:8098
@@ -101,6 +101,16 @@
 
     The configuration.txt file contains more details
 
+    A note about small grids
+
+    By default, Tahoe-LAFS ships with the configuration parameter
+    shares.happy set to 7. If you are using Tahoe-LAFS on a
+    grid with fewer than 7 storage nodes, this won't work well for you
+    -- none of your uploads will succeed. To fix this, see configuration.txt to learn how to set
+    shares.happy to a more suitable value for your
+    grid.
+
     Do Stuff With It
 
     Now you have a decentralized filesystem.  See