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From Asanka Gunasekara <asa...@nimbus.lk>
Subject Re: Secondary storage is not secondary properly
Date Tue, 15 Aug 2017 01:12:52 GMT
Hi Dag, I deleted both the system VMs and from the cloudstack it says
starting but I dont see the the VM been generated, now its since more than
12 houres

Thanks and Regards

Asanka

On 10 August 2017 at 21:47, Asanka Gunasekara <asanka@nimbus.lk> wrote:

> Thank you Dag,
>
>
> On 10 Aug 2017 3:09 am, "Dag Sonstebo" <Dag.Sonstebo@shapeblue.com> wrote:
>
> Sure, let us know how you get on. The fact that the previous ssvm check
> showed up with 172.17.101.1 was probably down to the wrong “host” global
> setting – since the SSVM didn’t know where to contact management I would
> guess it used a default override.
>
> Regards,
> Dag Sonstebo
> Cloud Architect
> ShapeBlue
>  S: +44 20 3603 0540  | dag.sonstebo@shapeblue.com |
> http://www.shapeblue.com <http://www.shapeblue.com/> | Twitter:@ShapeBlue
> <https://twitter.com/#!/shapeblue>
>
>
> On 09/08/2017, 17:54, "Asanka Gunasekara" <asanka@nimbus.lk> wrote:
>
>     Hi Dag, pleas give me few days as I am on an implementation visit to a
>     remote site. But below are some of the test I performed before.
>
>     1. Ping from ssvm to NFS is possible
>     2. Manually mounting NFS to /tmp/secondary is possible without any Issy
>
>     From the previous run of the ssvm check it is looking for a serve IP
>     172.17.101.1. Where registered NFS share is 172.17.101.253
>
>     I will run the check again on the first chance I get
>
>     Thank you and best regards
>
>     Asanka
>
>
>     On 9 Aug 2017 12:55 pm, "Dag Sonstebo" <Dag.Sonstebo@shapeblue.com>
> wrote:
>
>     OK , can you post up the results of the ssvm check again?
>
>     As suggested previously on this thread – can you try to
>     1) Ping the NFS server from the SSVM (SSVM check does this as well) –
> if
>     this doesn’t work then you have a networking issue.
>     2) Depending on ping - manually mount the secondary NFS share on your
> SSVM.
>     If this doesn’t work then you need to investigate the logs at the NFS
> end
>     to see why the NFS handshake fails.
>
>     Regards,
>     Dag Sonstebo
>     Cloud Architect
>     ShapeBlue
>
>     On 08/08/2017, 19:14, "Asanka Gunasekara" <asanka@nimbus.lk> wrote:
>
>         Hi Dag
>
>         After changing localhost to management server ip oin global
>     configuration I
>         dont see the management server error. But the NFS error still
> persist
>
>         Thanks and Regards
>
>         Asanka
>
>
>     Dag.Sonstebo@shapeblue.com
>     www.shapeblue.com
>     53 Chandos Place, Covent Garden, London  WC2N 4HSUK
>     @shapeblue
>
>
>
>
> Dag.Sonstebo@shapeblue.com
> www.shapeblue.com
> 53 Chandos Place, Covent Garden, London  WC2N 4HSUK
> @shapeblue
>
>
>
> On 8 August 2017 at 23:33, Asanka Gunasekara <asanka@nimbus.lk> wrote:
>
>         > Hi Dag, thanks for reply
>         >
>         > Did the change and the VMs are being rebuilt
>         >
>         > NFS server configuration, I took this from the installation guied
>         >
>         > [root@share ~]# cat /etc/exports
>         > /share_smb/export/secondary *(rw,async,no_root_squash,no_
>     subtree_check)
>         > /share_smb/export/primary *(rw,async,no_root_squash,no_s
> ubtree_check)
>         > [root@share ~]#
>         >
>         >
>         > On 8 August 2017 at 17:06, Dag Sonstebo <
> Dag.Sonstebo@shapeblue.com>
>         > wrote:
>         >
>         >> Hi Asanka,
>         >>
>         >> Can you change your “host” global setting to your management
> server
>     IP
>         >> (it’s currently set to “localhost”), restart your management
> service
>     and
>         >> then destroy your SSVM + let this recreate.
>         >>
>         >> Once done run the check again and let us know the outcome.
>         >>
>         >> Can you also show us the configuration of your NFS share – i.e.
> what
>         >> parameters are set etc.
>         >>
>         >> Regards,
>         >> Dag Sonstebo
>         >> Cloud Architect
>         >> ShapeBlue
>         >>
>         >> On 08/08/2017, 10:28, "Asanka Gunasekara" <asanka@nimbus.lk>
> wrote:
>         >>
>         >>     Hi Guys,
>         >>
>         >>     ssvm-check.sh command output
>         >>
>         >>     https://snag.gy/bzpE5n.jpg
>         >>
>         >>     Details of my nfs share
>         >>
>         >>     https://snag.gy/WgJxCY.jpg
>         >>
>         >>     Thanks and Best Regards
>         >>
>         >>     Asanka
>         >>
>         >>
>         >>
>         >>
>         >> Dag.Sonstebo@shapeblue.com
>         >> www.shapeblue.com
>         >> 53 Chandos Place, Covent Garden, London  WC2N 4HSUK
>         >> @shapeblue
>         >>
>         >>
>         >>
>         >> On 8 August 2017 at 14:48, Asanka Gunasekara <asanka@nimbus.lk>
>     wrote:
>         >>
>         >>     > Thanks Makrand
>         >>     >
>         >>     > On 8 August 2017 at 14:42, Makrand <
> makrandsanap@gmail.com>
>     wrote:
>         >>     >
>         >>     >> Asanka,
>         >>     >>
>         >>     >> The email list blocks the screen shots. I guess no one
> in the
>     list
>         >> can see
>         >>     >> your posted screens in emal chain.
>         >>     >>
>         >>     >> Better paste text output of the result or upload screens
> to
>     image
>         >> hosting
>         >>     >> (e.g. snag.gy).
>         >>     >>
>         >>     >> --
>         >>     >> Makrand
>         >>     >>
>         >>     >>
>         >>     >> On Tue, Aug 8, 2017 at 2:28 PM, Asanka Gunasekara <
>         >> asanka@nimbus.lk>
>         >>     >> wrote:
>         >>     >>
>         >>     >> > Hi Guys, thanks for replying buy running ssvm-check.sh
> I got
>         >> below
>         >>     >> output
>         >>     >> >
>         >>     >> >
>         >>     >> > [image: Inline images 1]
>         >>     >> >
>         >>     >> > My nfs is 172.17.101.253 but it is looking for
> 172.17.101.1
>         >> which is the
>         >>     >> > gateway and the Management server is 172.17.101.248
> but it
>     is
>         >> looking
>         >>     >> in to
>         >>     >> > Loval host
>         >>     >> >
>         >>     >> >
>         >>     >> >
>         >>     >> >
>         >>     >> > [image: Inline images 2]
>         >>     >> >
>         >>     >> > What is going on, have I done something wrong?
>         >>     >> >
>         >>     >> > On 8 August 2017 at 14:22, Dag Sonstebo <
>         >> Dag.Sonstebo@shapeblue.com>
>         >>     >> > wrote:
>         >>     >> >
>         >>     >> >> Hi Asanka,
>         >>     >> >>
>         >>     >> >> One quick thing to check – log in to your SSVM
and run
>         >>     >> >> /use/local/cloud/systemvm/ssvm-check.sh – this
will
> tell
>     you
>         >> if the
>         >>     >> SSVM
>         >>     >> >> can mount and write to secondary storage.
>         >>     >> >>
>         >>     >> >> Regards,
>         >>     >> >> Dag Sonstebo
>         >>     >> >> Cloud Architect
>         >>     >> >> ShapeBlue
>         >>     >> >>
>         >>     >> >> From: Asanka Gunasekara <asanka@nimbus.lk>
>         >>     >> >> Reply-To: "users@cloudstack.apache.org" <
>         >> users@cloudstack.apache.org>
>         >>     >> >> Date: Tuesday, 8 August 2017 at 09:27
>         >>     >> >> To: "users@cloudstack.apache.org" <
>     users@cloudstack.apache.org>
>         >>     >> >> Subject: Re: Secondary storage is not secondary
> properly
>         >>     >> >>
>         >>     >> >> I am sorry Eric, thank you for replying, please
see
> below
>     for
>         >> the rest
>         >>     >> >> results
>         >>     >> >>
>         >>     >> >> * Make sure that it's accessible from the *storage*
>     network (the
>         >>     >> network
>         >>     >> >> that you configured as storage when you created
the
> zone,
>         >> assuming you
>         >>     >> >> selected advanced networking).
>         >>     >> >> Asanka > Since this is a test environemt I
have just
> made
>     it
>         >> all in one
>         >>     >> >> subnet (is that the issue)
>         >>     >> >>
>         >>     >> >> * Is the secondary storage virtual machine up
and
> running?
>         >> Check your
>         >>     >> >> Infrastructure tab.
>         >>     >> >> Asanka > Yes both system VMs are up and running
>         >>     >> >>
>         >>     >> >> * If the secondary storage virtual machine is
up and
>     running,
>         >> open its
>         >>     >> >> console and log in as root / password. Then check
'ip
> addr
>         >> list' to
>         >>     >> make
>         >>     >> >> sure that it has IP addresses.
>         >>     >> >> Asanka > Yes it IP are assigned
>         >>     >> >>
>         >>     >> >> * If it has IP addresses, try pinging your secondary
>     storage
>         >> NFS server
>         >>     >> >> (still within the SSVM).
>         >>     >> >> Asanka > I can ping secondary storage
>         >>     >> >>
>         >>     >> >> * If you can ping your secondary storage NFS server,
> try
>         >> mounting the
>         >>     >> NFS
>         >>     >> >> share at some random place in your filesystem
to make
> sure
>     you
>         >> can
>         >>     >> mount it
>         >>     >> >> from the SSVM. e.g., 'mkdir /tmp/t; mount
>         >> myserver:/export/secstorage
>         >>     >> >> /tmp/t'
>         >>     >> >> Asanka > I can mount the secondary storage
as below
>         >>     >> >>
>         >>     >> >>
>         >>     >> >> [nline images 1]
>         >>     >> >>
>         >>     >> >>
>         >>     >> >> Dag.Sonstebo@shapeblue.com
>         >>     >> >> www.shapeblue.com
>         >>     >> >> 53 Chandos Place, Covent Garden, London  WC2N
4HSUK
>         >>     >> >> @shapeblue
>         >>     >> >>
>         >>     >> >>
>         >>     >> >>
>         >>     >> >> On 8 August 2017 at 12:54, Eric Green <
>     eric.lee.green@gmail.com
>         >> <mail
>         >>     >> to:
>         >>     >> >> eric.lee.green@gmail.com>> wrote:
>         >>     >> >>
>         >>     >> >> > On Aug 7, 2017, at 23:44, Asanka Gunasekara
<
>     asanka@nimbus.lk
>         >>     >> <mailto:
>         >>     >> >> asanka@nimbus.lk>> wrote:
>         >>     >> >> > NFS is running on a different server, I can
manual
> mount
>     this
>         >> share
>         >>     >> as
>         >>     >> >> NFS
>         >>     >> >> > and SMB
>         >>     >> >> > Cloud stack - 4.9
>         >>     >> >> > Os is Centos 7 (64)
>         >>     >> >>
>         >>     >> >> * Make sure that it's accessible from the *storage*
>     network (the
>         >>     >> network
>         >>     >> >> that you configured as storage when you created
the
> zone,
>         >> assuming you
>         >>     >> >> selected advanced networking).
>         >>     >> >> * Is the secondary storage virtual machine up
and
> running?
>         >> Check your
>         >>     >> >> Infrastructure tab.
>         >>     >> >> * If the secondary storage virtual machine is
up and
>     running,
>         >> open its
>         >>     >> >> console and log in as root / password. Then check
'ip
> addr
>         >> list' to
>         >>     >> make
>         >>     >> >> sure that it has IP addresses.
>         >>     >> >> * If it has IP addresses, try pinging your secondary
>     storage
>         >> NFS server
>         >>     >> >> (still within the SSVM).
>         >>     >> >> * If you can ping your secondary storage NFS server,
> try
>         >> mounting the
>         >>     >> NFS
>         >>     >> >> share at some random place in your filesystem
to make
> sure
>     you
>         >> can
>         >>     >> mount it
>         >>     >> >> from the SSVM. e.g., 'mkdir /tmp/t; mount
>         >> myserver:/export/secstorage
>         >>     >> >> /tmp/t'
>         >>     >> >> * Make sure you're using the NFS server's *storage*
>     network IP
>         >> address
>         >>     >> >> when you make this attempt.
>         >>     >> >>
>         >>     >> >> It is possible that your NFS server has a firewall
>     configured?
>         >> But from
>         >>     >> >> my experiments, the secondary storage VM not providing
>     secondary
>         >>     >> storage
>         >>     >> >> usually is a networking problem, things not set
up
>     properly in
>         >> your
>         >>     >> zone's
>         >>     >> >> networking so that the secondary storage VM can't
> reach the
>         >> secondary
>         >>     >> >> storage. Are you using advanced networking, or
basic
>     networking?
>         >>     >> >>
>         >>     >> >>
>         >>     >> >
>         >>     >>
>         >>     >
>         >>     >
>         >>
>         >>
>         >>
>         >
>
>
>
>

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