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[Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failove
From: |
Anand Avati |
Subject: |
[Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)) |
Date: |
Fri, 4 Apr 2008 14:40:54 +0530 |
Daniel/Guido,
can you paste the logs which are relevant from the time of unplugging the
cable till the end of experiment?
avati
2008/4/3, Daniel Maher <address@hidden <address@hidden>>:
>
> On Thu, 3 Apr 2008 14:55:48 +0530 "Anand Avati" <address@hidden>
> wrote:
>
> > Daniel,
> > maybe it is just taking long to detect connection failure. Can you
> > try with 'option transport-timeout 20' (sets response timeout to 20
> > seconds) in all your protocol/client and see if you still face the
> > 'hang' ?
>
> My simple test case is as follows :
> 1. Unplug one of the nodes (dfsD)
> 2. Attempt to ls -l the /opt/ (in which gfs-mount/ - the mountpoint -
> is contained)
>
> I set the timeout option along with every client instance in both the
> client and server configs. I tested timeout settings of 10 and 20
> seconds (just to see). In both cases, the 'hang' releases after a while
> (approx 30 seconds), but the results are odd. For example :
>
> # ls -l
> (hang ~ 30 seconds)
> ls: cannot access gfs-mount: Transport endpoint is not connected
> total 0
> d????????? ? ? ? ? ? gfs-mount
>
> # ls -l
> (immediate)
> ls: cannot access gfs-mount: Transport endpoint is not connected
> total 0
> d????????? ? ? ? ? ? gfs-mount
>
> (user wait ~ 5 seconds)
>
> # ls -l
> total 8
> drwxr-xr-x 2 root root 4096 2008-04-03 09:43 gfs-mount
>
> It would appear that the "recovery" time, regardless of whether the
> timeout is set to 10 or 20, is around 35 to 40 seconds - though, at the
> very least, it recovered. Is there any reasonable way to bring this
> period of time down ?
>
> Thank you all so much for your feedback on this topic !
>
>
- [Gluster-devel] HA failover test unsuccessful (inaccessible mountpoint), Daniel Maher, 2008/04/02
- Re: [Gluster-devel] HA failover test unsuccessful (inaccessible mountpoint), Guido Smit, 2008/04/03
- Re: [Gluster-devel] HA failover test unsuccessful (inaccessible mountpoint), Daniel Maher, 2008/04/03
- Re: [Gluster-devel] HA failover test unsuccessful (inaccessible mountpoint), Anand Avati, 2008/04/03
- Re: [Gluster-devel] HA failover test unsuccessful (inaccessible mountpoint), Daniel Maher, 2008/04/03
- [Gluster-devel] Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Daniel Maher, 2008/04/03
- [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Guido Smit, 2008/04/04
- [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)),
Anand Avati <=
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Krishna Srinivas, 2008/04/21
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Daniel Maher, 2008/04/21
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Krishna Srinivas, 2008/04/21
- RE: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS:HA failover test unsuccessful (inaccessible mountpoint)), Antonio González, 2008/04/21
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS:HA failover test unsuccessful (inaccessible mountpoint)), Krishna Srinivas, 2008/04/28
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Guido Smit, 2008/04/22
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Krishna Srinivas, 2008/04/22
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Guido Smit, 2008/04/23
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Amar S. Tumballi, 2008/04/25
- Re: [Gluster-devel] Re: Timeout settings and self-healing ? (WAS: HA failover test unsuccessful (inaccessible mountpoint)), Krishna Srinivas, 2008/04/28