[Gluster-devel] [bug #20187] cluster/unify not giving consistent outputs

[deedee]

URL:
  <http://savannah.nongnu.org/bugs/?20187>

                 Summary: cluster/unify not giving consistent outputs
                 Project: Gluster
            Submitted by: ynot
            Submitted on: Saturday 06/16/2007 at 17:14
                Category: GlusterFS
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Improper behaviour
                  Status: None
                 Privacy: Private
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

For this test, I've setup a rr scheduler. It looks like from the FAQ that the
alu scheduler has more features and testing done to it. I've created a 250GB
data set on two servers. No replication yet. I'm using TCP/IP transport. I
create a few directories. I reboot one server. I removed one directory. I
reconnect the server.   I run ls over and over and over again, and notice
that the outputs are different. The general pattern is about every 4th ls I
run, I get a different output. I should get the exact output each time.

The scenario is that a server has gone down for a while, and then later
through the help of IT folks, a new box may or may not be built up. Any
*deletions* (Unify seems to handle additions OK, but it is unclear how
deletions or moves of files or directories are handled) should be properly
handled. The same box or a replacement box may come up. in the case of the
same box (maybe no replicas exist), the erasures states should be properly
propagated to the old box. In case there is replica data, this case should be
properly handled as well.

OS: Fedora 7





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