Hi Andrew,
We open a bug-request to GFS-developers and send an e-mail to
linux-cluster list but received no answers yet.
As I said the files aren't accessed simoultaneously, one Node (node1)
is sharing information about programs used in our university (share1),
this share is used by windows clients that only are connected to node1.
Other clients (Linux) connect to node2 that shares the same, but that
clients aren't accessing to the same information because the programs
used are different. Any idees in order to debug it?
It's good news to know that "clusterizable" samba is a proposal and I
will subscribe to samba-technical to read about that. I read too that
we can put samba configuration and files in the GFS filesystem in
order to "share" states,information,locks and so on.
We are mounting a test environment with two test servers, one GFS
filesystem and samba to see what configurations can be used to make it
working better.
Best Regards,
Sandra
Andrew Bartlett wrote:
On Wed, 2006-09-27 at 17:20 +0200, sandra-llistes wrote:
Hello,
We have two Fedora 5 Servers clustered with GFS. We installed samba
and exported the same shares in both of them.
All went fine at first, with people accessing to theirs own files and
so, but for some programs (minitab, matlab, ...) people need to access
the same file at once. Then samba begins to fail and clients hang. In
order to fix samba is necessary to restart the service. We've tried to
put the shares in a filesystem without GFS and all goes well, people
can access the same file without problems simultaneously.
This certainly looks weird. If the files are only ever accessed from
one node, then it *should* work, but I don't know if this is something
that has been tested with GFS specifically.
Serious damage starts to happen when we have Samba accessing the same
files on both nodes, because all the state information isn't shared
between nodes. (Proposals for a scalable solution for Samba to do this
are due on samba-technical in the next week).
If you are only using one node for Samba, it should be the same as a
local non-cluster filesystem, so perhaps raise this with the GFS
developers.
Andrew Bartlett
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