AW: AW: AW: [dm-devel] multipathd failback
Herr, Manuel
mher at msc-ge.com
Mon Oct 30 07:26:19 UTC 2006
Multipath-tools are supported by Novell. So try to update
them with YOU (Yast online update).
> -----Ursprüngliche Nachricht-----
> Von: dm-devel-bounces at redhat.com
> [mailto:dm-devel-bounces at redhat.com] Im Auftrag von Yonathan Cohen
> Gesendet: Sonntag, 29. Oktober 2006 17:26
> An: device-mapper development
> Betreff: Re: AW: AW: [dm-devel] multipathd failback
>
> 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 at redhat.com
> > > [mailto:dm-devel-bounces at 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 at redhat.com
> > > > > [mailto:dm-devel-bounces at redhat.com] Im Auftrag von Yonathan
> > > > > Cohen
> > > > > Gesendet: Mittwoch, 25. Oktober 2006 08:50
> > > > > An: dm-devel at 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 at redhat.com
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