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[Gluster-devel] "namespace" bricks do what, exactly ?
From: |
Daniel Maher |
Subject: |
[Gluster-devel] "namespace" bricks do what, exactly ? |
Date: |
Fri, 21 Mar 2008 13:00:47 +0100 |
Hello all,
Pardon my (clearly newbie) question, but what are the namespace bricks
for, exactly ? I see that they are present in almost every example on
the wiki, but having read a great deal of the documentation, i'm
still fuzzy on exactly what this brick does, and how it incorporates
into the storage definitions.
Also, in the "Install_and_run_GlusterFS_v1.3_in_10mins" wiki article,
the "Example 2 [3 servers, single client]" server config example
contains this rather ominous warning :
# Note: Once exported, DO NOT WRITE DIRECTLY TO THIS DIRECTORY
This, of course, relates to the "volume brick" definition, which
exports "/tmp/export" on each server. Why shouldn't we write to this
directory after it has been exported ? Does it have something to do
with the namespace, perhaps ?
If the server generates some data which needs to be in the volume, and
it can't (as per the warning) write directly to /tmp/export, how should
it write the data to the volume instead ?
Thank you all for your helpful responses thus far.
--
Daniel Maher <dma AT witbe.net>
- [Gluster-devel] "namespace" bricks do what, exactly ?,
Daniel Maher <=