Re: AW: AW: multipathd failback

[Yonathan Cohen <yonic@voltaire.com>]

Hello again.
can you please tell me how to upgrade to multipath-tools-0.4.5-0.20
i found multipath-0.4.5.tar.bz2 on the site 
(http://christophe.varoqui.free.fr/multipath-tools/ )
but i guess that multipath-tools-0.4.5-0.20 is after applying some patches
if so can you tell me which ones ?
thanks.

Herr, Manuel wrote:
>
> I have no Problem with the failover also with SLES 9 2.6.5-7.244-smp.
> But i'm not working with the isci initiator.
>
> My Config:
> defaults
> {
>         multipath_tool  "/sbin/multipath -v0"
>         udev_dir        /dev
>         polling_interval 5
>         default_selector        "round-robin 0"
>         default_getuid_callout  "/sbin/scsi_id -g -u -s /block/%n"
>         default_prio_callout    "/bin/true"
>         failback        immediate
> }
> There are newer Multipath tools available:
> Im working with: multipath-tools-0.4.5-0.20
> (Device Mapper is same)
> I recommend to update them first. :)
>
> This one is talking about the same Problem you have.
> http://www.querzone.de/wiki/Wiki.jsp?page=EMCClariion
> I don't know if this error is clariion specific.
>
> Regards,
> Manuel
>
> > -----Ursprüngliche Nachricht-----
> > Von: dm-devel-bounces@redhat.com
> > [mailto:dm-devel-bounces@redhat.com] Im Auftrag von Yonathan Cohen
> > Gesendet: Mittwoch, 25. Oktober 2006 09:22
> > An: device-mapper development
> > Betreff: Re: AW: [dm-devel] multipathd failback
> >
> > sorry but I am not sure what you mean.
> > I am using an iscsi initiator (linux-iscsi rev 4.2) and this
> > is what the multipathd daemon sees pepper:~ # multipath -l
> > dm names   N
> > dm table 3600c0ff00000000007c1d167985b4b06  N dm table
> > 3600c0ff00000000007c1d167985b4b06  N dm status
> > 3600c0ff00000000007c1d167985b4b06  N dm info
> > 3600c0ff00000000007c1d167985b4b06  O
> > 3600c0ff00000000007c1d167985b4b06
> > [size=20 GB][features="0"][hwhandler="0"] \_ round-robin 0
> > [enabled]  \_ 14:0:0:0 sda 8:0  [failed]  \_ round-robin 0 [active]
> >   \_ 14:1:0:0 sdb 8:16 [active]
> >
> > sda and sdb are actually the same device discovered by iscsi
> > via 2 different paths.
> > when sda failed multipathd identified the problem and
> > diverted traffic to sdb but after correcting the sda problem,
> > multipathd did not become aware of this and of course when i
> > failed sdb it did not failback to sda.
> > i know that multipathd is suppose to poll for failed paths
> > and reinstate them when they become valid.
> > but for some reason it does not.
> >
> >
> > Herr, Manuel wrote:
> > >
> > > On which Hardware? (HBAs, SAN)?
> > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von: dm-devel-bounces@redhat.com
> > > > [mailto:dm-devel-bounces@redhat.com] Im Auftrag von Yonathan Cohen
> > > > Gesendet: Mittwoch, 25. Oktober 2006 08:50
> > > > An: dm-devel@redhat.com
> > > > Betreff: [dm-devel] multipathd failback
> > > >
> > > > Hello.
> > > > My "multipathd" daemon does not FailBack It does not check the
> > > > availability of a failed path and of course does not
> > reinstate it My
> > > > configuration is as follows:
> > > > cat /etc/multipath.conf
> > > >
> > > > defaults {
> > > >
> > > >         failback        immediate
> > > > }
> > > > I am using the following packages:
> > > > multipath-tools-0.4.5-0.11
> > > > device-mapper-1.01.01-1.6
> > > > I have them installed on a SUSE LINUX Enterprise Server 9
> > > > (x86_64) sp-3 With kernel version: 2.6.5-7.244-smp Please help.
> > > > Thanks.
> > > >
> > > > ____________________________________________________________
> > > >
> > > > Cohen Yonatan   |  +972-9-9718607 (o)
> > > >
> > > > Software. Eng,  Storage group
> > > >
> > > > Voltaire - _The Grid Backbone_
> > > >
> > > > --
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> > > > dm-devel@redhat.com
> > > > https://www.redhat.com/mailman/listinfo/dm-devel
> > > >
> > >
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