On April 29, 2020 1:44:30 AM GMT+03:00, Shareef Jalloq <shareef(a)jalloq.co.uk>
wrote:
OK, that's got it, thanks. I really need to put some effort in
sharpening
my networking knowledge.
On Tue, Apr 28, 2020 at 11:20 PM Jayme <jaymef(a)gmail.com> wrote:
> Oh and also gluster interface should not be set as default route
either.
>
> On Tue, Apr 28, 2020 at 7:19 PM Jayme <jaymef(a)gmail.com> wrote:
>
>> On gluster interface try setting gateway to 10.0.1.1
>>
>> If that doesn’t work let us know where the process is failing
currently
>> and with what errors etc.
>>
>> On Tue, Apr 28, 2020 at 6:54 PM Shareef Jalloq
<shareef(a)jalloq.co.uk>
>> wrote:
>>
>>> Thanks. I have the DNS but must have my interface config wrong.
On my
>>> first node I have two interfaces in use, em1 for the management
interface
>>> and p1p1 for the Gluster interface.
>>>
>>> [root@ovirt-node-00 ~]# cat
/etc/sysconfig/network-scripts/ifcfg-em1
>>>
>>> TYPE=Ethernet
>>>
>>> PROXY_METHOD=none
>>>
>>> BROWSER_ONLY=no
>>>
>>> BOOTPROTO=none
>>>
>>> DEFROUTE=yes
>>>
>>> IPV4_FAILURE_FATAL=no
>>>
>>> IPV6INIT=no
>>>
>>> IPV6_AUTOCONF=yes
>>>
>>> IPV6_DEFROUTE=yes
>>>
>>> IPV6_FAILURE_FATAL=no
>>>
>>> IPV6_ADDR_GEN_MODE=stable-privacy
>>>
>>> NAME=em1
>>>
>>> UUID=724cddb2-8ce9-43ea-8c0e-e1aff19e72cc
>>>
>>> DEVICE=em1
>>>
>>> ONBOOT=yes
>>>
>>> IPADDR=10.0.0.31
>>>
>>> PREFIX=24
>>>
>>> GATEWAY=10.0.0.1
>>>
>>> DNS1=10.0.0.1
>>>
>>>
>>> [root@ovirt-node-00 ~]# cat
/etc/sysconfig/network-scripts/ifcfg-p1p1
>>>
>>> TYPE=Ethernet
>>>
>>> PROXY_METHOD=none
>>>
>>> BROWSER_ONLY=no
>>>
>>> BOOTPROTO=none
>>>
>>> DEFROUTE=yes
>>>
>>> IPV4_FAILURE_FATAL=no
>>>
>>> IPV6INIT=no
>>>
>>> IPV6_AUTOCONF=yes
>>>
>>> IPV6_DEFROUTE=yes
>>>
>>> IPV6_FAILURE_FATAL=no
>>>
>>> IPV6_ADDR_GEN_MODE=stable-privacy
>>>
>>> NAME=p1p1
>>>
>>> UUID=1adb45d3-4dac-4bac-bb19-257fb9c7016b
>>>
>>> DEVICE=p1p1
>>>
>>> ONBOOT=yes
>>>
>>> IPADDR=10.0.1.31
>>>
>>> PREFIX=24
>>>
>>> GATEWAY=10.0.0.1
>>>
>>> DNS1=10.0.0.1
>>>
>>> On Tue, Apr 28, 2020 at 10:47 PM Jayme <jaymef(a)gmail.com> wrote:
>>>
>>>> You should use host names for gluster like
gluster1.hostname.com
that
>>>> resolve to the ip chosen for gluster.
>>>>
>>>> For my env I have something like this:
>>>>
>>>> Server0:
>>>>
Host0.example.com 10.10.0.100
>>>>
Gluster0.example.com 10.0.1.100
>>>>
>>>> Same thing for other two severs except hostnames and ips of
course.
>>>>
>>>> Use the gluster hostnames for the first step then the sever
hostnames
>>>> for the others.
>>>>
>>>> I made sure I could ssh to and from both hostX and glusterX on
each
>>>> server.
>>>>
>>>> On Tue, Apr 28, 2020 at 6:34 PM Shareef Jalloq
<shareef(a)jalloq.co.uk>
>>>> wrote:
>>>>
>>>>> Perhaps it's me, but these two documents seem to disagree on
what
>>>>> hostnames to use when setting up. Can someone clarify.
>>>>>
>>>>> The main documentation here:
>>>>>
https://www.ovirt.org/documentation/gluster-hyperconverged/chap-Deploying...
talks
>>>>> about copying the SSH keys to the gluster host address but the
old blog
>>>>> post with an outdated interface here:
>>>>>
https://blogs.ovirt.org/2018/02/up-and-running-with-ovirt-4-2-and-gluster...
uses
>>>>> the node address.
>>>>>
>>>>> In the first step of the hyperconverged Gluster wizard, when it
asks
>>>>> for "Gluster network address", is this wanting the host IP
or the
IP of the
>>>>> Gluster interface?
>>>>>
>>>>> On Tue, Apr 28, 2020 at 10:24 PM Shareef Jalloq
<shareef(a)jalloq.co.uk>
>>>>> wrote:
>>>>>
>>>>>> OK, thanks both, that seems to have fixed that issue.
>>>>>>
>>>>>> Is there any other config I need to do because the next step in
the
>>>>>> deployment guide of copying SSH keys seems to take over a minute
just to
>>>>>> prompt for a password. Something smells here.
>>>>>>
>>>>>> On Tue, Apr 28, 2020 at 7:32 PM Jayme <jaymef(a)gmail.com>
wrote:
>>>>>>
>>>>>>> You should be using a different subnet for each. I.e.
10.0.0.30
and
>>>>>>> 10.0.1.30 for example
>>>>>>>
>>>>>>> On Tue, Apr 28, 2020 at 2:49 PM Shareef Jalloq
<shareef(a)jalloq.co.uk>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> I'm in the process of trying to set up an HCI 3 node
cluster
in my
>>>>>>>> homelab to better understand the Gluster setup and have
failed
at the first
>>>>>>>> hurdle. I've set up the node interfaces on the built
in NIC
and am using a
>>>>>>>> PCI NIC for the Gluster traffic - at the moment this is
1Gb
until I can
>>>>>>>> upgrade - and I've assigned a static IP to both
interfaces and
also have
>>>>>>>> both entries in my DNS.
>>>>>>>>
>>>>>>>> From any of the three nodes, I can ping the gateway, the
other
>>>>>>>> nodes, any external IP but I can't ping any of the
Gluster
NICs. What have
>>>>>>>> I forgotten to do? Here's the relevant output of
'ip addr
show'. em1 is
>>>>>>>> the motherboard NIC and p1p1 is port 1 of an Intel NIC.
The
>>>>>>>> /etc/sysconfig/network-scripts/ifcfg-<if> scripts
are
identical aside from
>>>>>>>> IPADDR, NAME, DEVICE and UUID fields.
>>>>>>>>
>>>>>>>> Thanks, Shareef.
>>>>>>>>
>>>>>>>> [root@ovirt-node-00 ~]# ip addr show
>>>>>>>>
>>>>>>>>
>>>>>>>> 2: p1p1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
qdisc mq
state
>>>>>>>> UP group default qlen 1000
>>>>>>>>
>>>>>>>> link/ether a0:36:9f:1f:f9:78 brd ff:ff:ff:ff:ff:ff
>>>>>>>>
>>>>>>>> inet 10.0.0.34/24 brd 10.0.0.255 scope global
noprefixroute
>>>>>>>> p1p1
>>>>>>>>
>>>>>>>> valid_lft forever preferred_lft forever
>>>>>>>>
>>>>>>>> inet6 fd4d:e9e3:6f5:1:a236:9fff:fe1f:f978/64 scope
global
>>>>>>>> mngtmpaddr dynamic
>>>>>>>>
>>>>>>>> valid_lft 7054sec preferred_lft 7054sec
>>>>>>>>
>>>>>>>> inet6 fe80::a236:9fff:fe1f:f978/64 scope link
>>>>>>>>
>>>>>>>> valid_lft forever preferred_lft forever
>>>>>>>>
>>>>>>>>
>>>>>>>> 4: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500
qdisc
pfifo_fast
>>>>>>>> state UP group default qlen 1000
>>>>>>>>
>>>>>>>> link/ether 98:90:96:a1:16:ad brd ff:ff:ff:ff:ff:ff
>>>>>>>>
>>>>>>>> inet 10.0.0.31/24 brd 10.0.0.255 scope global
noprefixroute em1
>>>>>>>>
>>>>>>>> valid_lft forever preferred_lft forever
>>>>>>>>
>>>>>>>> inet6 fd4d:e9e3:6f5:1:9a90:96ff:fea1:16ad/64 scope
global
>>>>>>>> mngtmpaddr dynamic
>>>>>>>>
>>>>>>>> valid_lft 7054sec preferred_lft 7054sec
>>>>>>>>
>>>>>>>> inet6 fe80::9a90:96ff:fea1:16ad/64 scope link
>>>>>>>>
>>>>>>>> valid_lft forever preferred_lft forever
>>>>>>>>
>>>>>>>>
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>>>>>>>>
>>>>>>>
You can't put 2 gateways on your configs - not with the default routing table...
For now remove the gateway entry and dns entry for the gluster interface.
Also remove DEFROUTE stanza -> just leave onboot, ip and mask/prefix .
Best Regards,
Strahil Nikolov