[Pacemaker] Immediate fs errors on iscsi connection problem
Vladislav Bogdanov
bubble at hoster-ok.com
Tue Apr 5 17:16:13 UTC 2011
05.04.2011 18:24, ruslan usifov wrote:
> GREAT THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>
> It's work.
Good. That RA may be not perfect, at least I saw some minor errors from it.
> But i have some little question, how can i got same effect on
> windows? Windows ISCSI initiator (win 2008 server) breaks connections
> and newer it restarts??
Can't say anything about its timeouts. Connection reestablishment (with
iptables hack on server side) worked for me. It would be great if you
share your findings.
>
> 4 апреля 2011 г. 8:24 пользователь Vladislav Bogdanov
> <bubble at hoster-ok.com <mailto:bubble at hoster-ok.com>> написал:
>
> Hi,
>
> 03.04.2011 22:42, ruslan usifov wrote:
> > You need some tuning from both sides.
> > First, (at least some versions of) ietd needs to be blocked
> (-j DROP)
> > with iptables on restarts. That means, you should block all
> incoming and
> > outgoing packets (later is more important) before ietd stop
> and unblock
> > all after it starts. I use home-brew stateful RA for this,
> which blocks
> > (DROP) all traffic to/from VIP in slave mode and passes it to
> a later
> > decision (no -j) in master mode.
> >
> >
> >
> > Thanks for reply, But how to implemet this from pacemaker. Or i
> must to
> > modify inet.d scripts?
>
> You can try attached.
> This was a first trial to write RA... It may contain some wrong logic,
> especially with scores, but it works for me.
> It is intended to be colocated with IP-address resource:
> colocation col1 inf: FW:Master ip
> order ord1 inf: ip:start FW:promote
>
> Vladislav
>
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