Re: Add a new iSCSI gateway would not update client multipath

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I've never used XenServer, but I'd imagine you would need to do
something similar to what is documented here [1].

[1] http://docs.ceph.com/docs/master/rbd/iscsi-initiator-linux/

On Wed, Jun 13, 2018 at 5:11 AM, Max Cuttins <max@xxxxxxxxxxxxx> wrote:
> I just realize there is a an error:
>
>  multipath -r
> Jun 13 11:02:27 | rbd0: HDIO_GETGEO failed with 25
> reload: mpatha (360014051b4fb8c6384545b7ae7d5142e) undef LIO-ORG ,TCMU
> device
> size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=undef
> |-+- policy='queue-length 0' prio=130 status=undef
> | `- 5:0:0:0 sdb  8:16  active ready running
> `-+- policy='queue-length 0' prio=1 status=undef
>   `- 4:0:0:0 sda  8:0   active ghost running
>
> I have added these lines to blacklist in /etc/multipath.conf
>
> blacklist {
>         devnode "^(rbd)[0-9]*"
> }
>
> This solved the error, but..... gateway still not updated.
>
>
>
>
> Il 13/06/2018 10:59, Max Cuttins ha scritto:
>
> Hi everybody,
>
> maybe I miss something but multipath is not adding new iscsi gateways.
>
> I have installed 2 gateway and test it on a client.
> Everything worked fine.
>
> After that I decided to complete install and create a 3rd gateway.
> But no one iscsi initiatior client update the number of gateways.
> One clients broke up and now cannot write anymore to the disk (can read the
> size of volume but cannot read or write).
>
> I have runned:
>
> systemctl restart multipathd
>
> and also:
>
> multipath -r
>
> but this always display only 2 paths:
>
> multipath -ll
> mpatha (360014051b4fb8c6384545b7ae7d5142e) dm-2 LIO-ORG ,TCMU device
> size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
> |-+- policy='queue-length 0' prio=130 status=active
> | `- 5:0:0:0 sdb  8:16  active ready running
> `-+- policy='queue-length 0' prio=1 status=enabled
>   `- 4:0:0:0 sda  8:0   active ghost running
>
>
> What I shoulded did?
>
>
>
>
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>



-- 
Jason
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