[Gluster-devel] Problems with unify

[Anand Avati]

Antonio,
 this bug is being worked on at the moment. Please check back early next
week for the fix.

avati

2008/4/22 Antonio González <antonio.gonzalez at libera.net>:

> Hello krishna,
>
> I test the command "echo 0 > /proc/sys/net/ipv4/tcp_retries2"  on server
> and
> the result are the same. If a try a "ls" from a client, it takes 6:00
> minutes aprox and returns "Transport endpoint is not conennected.".Other
> clients can not connect to glusterfs file system. The server is blocked
> all
> time, is necessary to reboot the server.
>
> Thanks,
>
> -----Mensaje original-----
> De: krishna.zresearch at gmail.com [mailto:krishna.zresearch at gmail.com] En
> nombre de Krishna Srinivas
> Enviado el: martes, 22 de abril de 2008 14:29
> Para: Antonio González
> CC: Gluster Devel
> Asunto: Re: [Gluster-devel] Problems with unify
>
> Hi Antonio,
>
> I have not tried to reproduce the problem, but I can guess what might be
> happening. Can you do "echo 0 > /proc/sys/net/ipv4/tcp_retries2" on server
> and check how much time your server and clients take to come back to
> life again? It might take several minutes.
>
> This is definitely a bug and we will fix it.
>
> Thanks
> Krishna
>
> On Tue, Apr 22, 2008 at 5:55 PM, Antonio González
> <antonio.gonzalez at libera.net> wrote:
> >
> >
> >
> >
> >
> >
> > Hello Krishna,
> >
> >
> >
> > I have made more test to try to clarify the problem, I hope this
> information
> > helps you.
> >
> >
> >
> > I have tried with a simple schema. One server that exports one brick
> (only
> > posix storage and tcp/server)and three clients (only tcp/client).
> >
> >
> >
> > The test is:
> >
> >
> >
> > §         From client1 I make a "cp /home/element1 /mnt/gluster".
> >
> > §         When client one is making the cp I unplugged the power cable.
> >
> > §         From client2 I make a "ls" command. The client2 is blocked.
> >
> > §         If I try any operation from client3, it is blocked also.
> >
> > §         The client2 is blocked during 3/4 minutes, then it shows the
> > message "ls: cannot open directory .: Transport endpoint is not
> conennected.
> >
> > §         The logs of bloecked clients says nothing.
> >
> > §         If i try to connect other client to the glusterfs file system,
> the
> > connect is not posible and the log of client says:
> > [client-protocol.c:279:client_protocol_xfer] trans: attempting to
> pipeline
> > request type(2) op(4) with handshake.
> >
> >
> >
> > Krisnha, I need to know if you have been able to reproduce the bug, I
> must
> > expose the GlusterFS project and I must know at least if this issue is a
> new
> > bug and if developers will work to solvent this.
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > -----Mensaje original-----
> >  De: gluster-devel-bounces+antonio.gonzalez=libera.net at nongnu.org
> > [mailto:gluster-devel-bounces+antonio.gonzalez<gluster-devel-bounces%2Bantonio.gonzalez>
> =libera.net at nongnu.org] En
> > nombre de Antonio González
> >  Enviado el: lunes, 21 de abril de 2008 20:01
> >  Para: 'Gluster Devel'
> >  Asunto: [Gluster-devel] Problems with unify
> >
> >
> >
> >
> >
> > Hello Krishna,
> >
> >
> >
> >
> >
> >
> >
> > Can you reproduce the bug?? I have made more test about this issue, I
> >
> > comment you my impressions:
> >
> >
> >
> > *         The bug happens when the client (that goes down) tries a write
> >
> > operation over the GlusterFS (cp local glusterfs) and the other client
> tries
> >
> > an "ls" command or and "find /mnt/glusterfs -type f -print0 | xargs -0
> head
> >
> > -c1 >/dev/null" command. With other commands I don't be able to
> reproduce
> >
> > the bug.
> >
> >
> >
> > *         I don't be able to reproduce the bug with a read operation in
> the
> >
> > client that goes down. Only write operations (cp local glusterf).
> >
> >
> >
> > *         I can see that some times when I try to reproduce the bug
> (with
> a
> >
> > write operation) the bug not happens, I don't know the reason. The
> majority
> >
> > of times the bug is reproduced.
> >
> >
> >
> > *         I test with a schema without unify translator, in place this I
> use
> >
> > the stripe translator; I'm be able to reproduce the same bug with this
> >
> > configuration too.
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > I hope that these points help you to clarify the problem.
> >
> >
> >
> >
> >
> >
> >
> > Thanks.
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > _______________________________________________
> >
> > Gluster-devel mailing list
> >
> > Gluster-devel at nongnu.org
> >
> > http://lists.nongnu.org/mailman/listinfo/gluster-devel
>
>
>
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-- 
If I traveled to the end of the rainbow
As Dame Fortune did intend,
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The pot's at the other end.