From apgriffiths79 at gmail.com Tue Aug 22 15:23:29 2017 Content-Type: multipart/mixed; boundary="===============6966247880725402239==" MIME-Version: 1.0 From: Alan Griffiths To: users at ovirt.org Subject: [ovirt-users] Inter Cluster Traffic Date: Tue, 22 Aug 2017 16:23:27 +0100 Message-ID: --===============6966247880725402239== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi, I'm in the process of building a second ovirt cluster within the default DC. This new cluster will use the same storage domains as the original cluster, and I will slowly migrate VMs from the old cluster to the new. Given that the old and new cluster hosts have a firewall between them I need to ensure that all relevant ports are open, with particular attention to the correct operation of SPM. Is it sufficient to open TCP ports 16514 and 54321 to achieve this? Thanks, Alan --===============6966247880725402239== Content-Type: text/html MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="attachment.html" PGRpdiBkaXI9Imx0ciI+SGksPGRpdj48YnI+PC9kaXY+PGRpdj5JJiMzOTttIGluIHRoZSBwcm9j ZXNzIG9mIGJ1aWxkaW5nIGEgc2Vjb25kIG92aXJ0IGNsdXN0ZXIgd2l0aGluIHRoZSBkZWZhdWx0 IERDLiBUaGlzIG5ldyBjbHVzdGVyIHdpbGwgdXNlIHRoZSBzYW1lIHN0b3JhZ2UgZG9tYWlucyBh cyB0aGUgb3JpZ2luYWwgY2x1c3RlciwgYW5kIEkgd2lsbCBzbG93bHkgbWlncmF0ZSBWTXMgZnJv bSB0aGUgb2xkIGNsdXN0ZXIgdG8gdGhlIG5ldy48L2Rpdj48ZGl2Pjxicj48L2Rpdj48ZGl2Pkdp dmVuIHRoYXQgdGhlIG9sZCBhbmQgbmV3IGNsdXN0ZXIgaG9zdHMgaGF2ZSBhIGZpcmV3YWxsIGJl dHdlZW4gdGhlbSBJIG5lZWQgdG8gZW5zdXJlIHRoYXQgYWxsIHJlbGV2YW50IHBvcnRzIGFyZSBv cGVuLCB3aXRoIHBhcnRpY3VsYXIgYXR0ZW50aW9uIHRvIHRoZSBjb3JyZWN0IG9wZXJhdGlvbiBv ZiBTUE0uPC9kaXY+PGRpdj48YnI+PC9kaXY+PGRpdj5JcyBpdCBzdWZmaWNpZW50IHRvIG9wZW4g VENQIHBvcnRzIDE2NTE0IGFuZCA1NDMyMSB0byBhY2hpZXZlIHRoaXM/PC9kaXY+PGRpdj48YnI+ PC9kaXY+PGRpdj5UaGFua3MsPC9kaXY+PGRpdj48YnI+PC9kaXY+PGRpdj5BbGFuPC9kaXY+PC9k aXY+Cg== --===============6966247880725402239==-- From fernando.frediani at upx.com Tue Aug 22 15:42:41 2017 Content-Type: multipart/mixed; boundary="===============1169460726000985760==" MIME-Version: 1.0 From: FERNANDO FREDIANI To: users at ovirt.org Subject: Re: [ovirt-users] Inter Cluster Traffic Date: Tue, 22 Aug 2017 12:42:35 -0300 Message-ID: In-Reply-To: CAKc-zzY_9VqT5iws8n5JfiZTtT5UgWFrLKfD2o1X2DX-iuxg_w@mail.gmail.com --===============1169460726000985760== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable This is a multi-part message in MIME format. --------------BF799DFFCDBCAAE2A822457B Content-Type: text/plain; charset=3Dutf-8; format=3Dflowed Content-Transfer-Encoding: 7bit How do you make the new cluster to use the same storage domain as the = original one ? Storage Domains in oVirt are a bit confusing and less = flexible and I am not sure it allows it, does it ? On 22/08/2017 12:23, Alan Griffiths wrote: > Hi, > > I'm in the process of building a second ovirt cluster within the = > default DC. This new cluster will use the same storage domains as the = > original cluster, and I will slowly migrate VMs from the old cluster = > to the new. > > Given that the old and new cluster hosts have a firewall between them = > I need to ensure that all relevant ports are open, with particular = > attention to the correct operation of SPM. > > Is it sufficient to open TCP ports 16514 and 54321 to achieve this? > > Thanks, > > Alan > > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users --------------BF799DFFCDBCAAE2A822457B Content-Type: text/html; charset=3Dutf-8 Content-Transfer-Encoding: 7bit

How do you make the new cluster to use the same storage domain as the original one ? Storage Domains in oVirt are a bit confusing and less flexible and I am not sure it allows it, does it ?

On 22/08/2017 12:23, Alan Griffiths wrote:

Hi,

I'm in the process of building a second ovirt cluster within the default DC. This new cluster will use the same storage domains as the original cluster, and I will slowly migrate VMs from the old cluster to the new.

Given that the old and new cluster hosts have a firewall between them I need to ensure that all relevant ports are open, with particular attention to the correct operation of SPM.

Is it sufficient to open TCP ports 16514 and 54321 to achieve this?

Thanks,

Alan
_______________________________________________
Users mailing list
Use=
rs(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users

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boundary="===============1324183108529678350==" MIME-Version: 1.0 From: Alan Griffiths To: users at ovirt.org Subject: Re: [ovirt-users] Inter Cluster Traffic Date: Tue, 22 Aug 2017 16:58:02 +0100 Message-ID: In-Reply-To: ddde999d-6fc7-6606-6844-fe6c8135953d@upx.com --===============1324183108529678350== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable It's my understanding that when you activate a host part of the process is to verify that it can connect to all active storage domains. If it cannot connect to any domain then it will refuse to go to the "up" state. In my case the storage domains are FC so completely outside the TCP/IP stack. On 22 August 2017 at 16:42, FERNANDO FREDIANI wrote: > How do you make the new cluster to use the same storage domain as the > original one ? Storage Domains in oVirt are a bit confusing and less > flexible and I am not sure it allows it, does it ? > > On 22/08/2017 12:23, Alan Griffiths wrote: > > Hi, > > I'm in the process of building a second ovirt cluster within the default > DC. This new cluster will use the same storage domains as the original > cluster, and I will slowly migrate VMs from the old cluster to the new. > > Given that the old and new cluster hosts have a firewall between them I > need to ensure that all relevant ports are open, with particular attention > to the correct operation of SPM. > > Is it sufficient to open TCP ports 16514 and 54321 to achieve this? > > Thanks, > > Alan > > > _______________________________________________ > Users mailing listUsers(a)ovirt.orghttp://lists.ovirt.org/mailman/listinf= o/users > > > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > > --===============1324183108529678350== Content-Type: text/html MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="attachment.html" PGRpdiBkaXI9Imx0ciI+SXQmIzM5O3MgbXkgdW5kZXJzdGFuZGluZyB0aGF0IHdoZW4geW91IGFj dGl2YXRlIGEgaG9zdCBwYXJ0IG9mIHRoZSBwcm9jZXNzIGlzIHRvIHZlcmlmeSB0aGF0IGl0IGNh biBjb25uZWN0IHRvIGFsbCBhY3RpdmUgc3RvcmFnZSBkb21haW5zLiBJZiBpdCBjYW5ub3QgY29u bmVjdCB0byBhbnkgZG9tYWluIHRoZW4gaXQgd2lsbCByZWZ1c2UgdG8gZ28gdG8gdGhlICZxdW90 O3VwJnF1b3Q7IHN0YXRlLiBJbiBteSBjYXNlIHRoZSBzdG9yYWdlIGRvbWFpbnMgYXJlIEZDIHNv IGNvbXBsZXRlbHkgb3V0c2lkZSB0aGUgVENQL0lQIHN0YWNrLjwvZGl2PjxkaXYgY2xhc3M9Imdt YWlsX2V4dHJhIj48YnI+PGRpdiBjbGFzcz0iZ21haWxfcXVvdGUiPk9uIDIyIEF1Z3VzdCAyMDE3 IGF0IDE2OjQyLCBGRVJOQU5ETyBGUkVESUFOSSA8c3BhbiBkaXI9Imx0ciI+Jmx0OzxhIGhyZWY9 Im1haWx0bzpmZXJuYW5kby5mcmVkaWFuaUB1cHguY29tIiB0YXJnZXQ9Il9ibGFuayI+ZmVybmFu ZG8uZnJlZGlhbmlAdXB4LmNvbTwvYT4mZ3Q7PC9zcGFuPiB3cm90ZTo8YnI+PGJsb2NrcXVvdGUg Y2xhc3M9ImdtYWlsX3F1b3RlIiBzdHlsZT0ibWFyZ2luOjAgMCAwIC44ZXg7Ym9yZGVyLWxlZnQ6 MXB4ICNjY2Mgc29saWQ7cGFkZGluZy1sZWZ0OjFleCI+CiAgCiAgICAKICAKICA8ZGl2IGJnY29s b3I9IiNGRkZGRkYiIHRleHQ9IiMwMDAwMDAiPgogICAgPHA+SG93IGRvIHlvdSBtYWtlIHRoZSBu ZXcgY2x1c3RlciB0byB1c2UgdGhlIHNhbWUgc3RvcmFnZSBkb21haW4gYXMKICAgICAgdGhlIG9y aWdpbmFsIG9uZSA/IFN0b3JhZ2UgRG9tYWlucyBpbiBvVmlydCBhcmUgYSBiaXQgY29uZnVzaW5n CiAgICAgIGFuZCBsZXNzIGZsZXhpYmxlIGFuZCBJIGFtIG5vdCBzdXJlIGl0IGFsbG93cyBpdCwg ZG9lcyBpdCA/PGJyPgogICAgPC9wPjxkaXY+PGRpdiBjbGFzcz0iaDUiPgogICAgPGJyPgogICAg PGRpdiBjbGFzcz0ibV8tNDc2OTEyNDAwNDEzNTg5OTE0NG1vei1jaXRlLXByZWZpeCI+T24gMjIv MDgvMjAxNyAxMjoyMywgQWxhbiBHcmlmZml0aHMKICAgICAgd3JvdGU6PGJyPgogICAgPC9kaXY+ CiAgICA8L2Rpdj48L2Rpdj48YmxvY2txdW90ZSB0eXBlPSJjaXRlIj48ZGl2PjxkaXYgY2xhc3M9 Img1Ij4KICAgICAgPGRpdiBkaXI9Imx0ciI+SGksCiAgICAgICAgPGRpdj48YnI+CiAgICAgICAg PC9kaXY+CiAgICAgICAgPGRpdj5JJiMzOTttIGluIHRoZSBwcm9jZXNzIG9mIGJ1aWxkaW5nIGEg c2Vjb25kIG92aXJ0IGNsdXN0ZXIKICAgICAgICAgIHdpdGhpbiB0aGUgZGVmYXVsdCBEQy4gVGhp cyBuZXcgY2x1c3RlciB3aWxsIHVzZSB0aGUgc2FtZQogICAgICAgICAgc3RvcmFnZSBkb21haW5z IGFzIHRoZSBvcmlnaW5hbCBjbHVzdGVyLCBhbmQgSSB3aWxsIHNsb3dseQogICAgICAgICAgbWln cmF0ZSBWTXMgZnJvbSB0aGUgb2xkIGNsdXN0ZXIgdG8gdGhlIG5ldy48L2Rpdj4KICAgICAgICA8 ZGl2Pjxicj4KICAgICAgICA8L2Rpdj4KICAgICAgICA8ZGl2PkdpdmVuIHRoYXQgdGhlIG9sZCBh bmQgbmV3IGNsdXN0ZXIgaG9zdHMgaGF2ZSBhIGZpcmV3YWxsCiAgICAgICAgICBiZXR3ZWVuIHRo ZW0gSSBuZWVkIHRvIGVuc3VyZSB0aGF0IGFsbCByZWxldmFudCBwb3J0cyBhcmUKICAgICAgICAg IG9wZW4sIHdpdGggcGFydGljdWxhciBhdHRlbnRpb24gdG8gdGhlIGNvcnJlY3Qgb3BlcmF0aW9u IG9mCiAgICAgICAgICBTUE0uPC9kaXY+CiAgICAgICAgPGRpdj48YnI+CiAgICAgICAgPC9kaXY+ CiAgICAgICAgPGRpdj5JcyBpdCBzdWZmaWNpZW50IHRvIG9wZW4gVENQIHBvcnRzIDE2NTE0IGFu ZCA1NDMyMSB0bwogICAgICAgICAgYWNoaWV2ZSB0aGlzPzwvZGl2PgogICAgICAgIDxkaXY+PGJy PgogICAgICAgIDwvZGl2PgogICAgICAgIDxkaXY+VGhhbmtzLDwvZGl2PgogICAgICAgIDxkaXY+ PGJyPgogICAgICAgIDwvZGl2PgogICAgICAgIDxkaXY+QWxhbjwvZGl2PgogICAgICA8L2Rpdj4K ICAgICAgPGJyPgogICAgICA8ZmllbGRzZXQgY2xhc3M9Im1fLTQ3NjkxMjQwMDQxMzU4OTkxNDRt aW1lQXR0YWNobWVudEhlYWRlciI+PC9maWVsZHNldD4KICAgICAgPGJyPgogICAgICA8L2Rpdj48 L2Rpdj48cHJlPl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fXzx3YnI+X19fX19fX19fX19f X19fX18KVXNlcnMgbWFpbGluZyBsaXN0CjxhIGNsYXNzPSJtXy00NzY5MTI0MDA0MTM1ODk5MTQ0 bW96LXR4dC1saW5rLWFiYnJldmlhdGVkIiBocmVmPSJtYWlsdG86VXNlcnNAb3ZpcnQub3JnIiB0 YXJnZXQ9Il9ibGFuayI+VXNlcnNAb3ZpcnQub3JnPC9hPgo8YSBjbGFzcz0ibV8tNDc2OTEyNDAw NDEzNTg5OTE0NG1vei10eHQtbGluay1mcmVldGV4dCIgaHJlZj0iaHR0cDovL2xpc3RzLm92aXJ0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3VzZXJzIiB0YXJnZXQ9Il9ibGFuayI+aHR0cDovL2xpc3Rz Lm92aXJ0Lm9yZy88d2JyPm1haWxtYW4vbGlzdGluZm8vdXNlcnM8L2E+CjwvcHJlPgogICAgPC9i bG9ja3F1b3RlPgogICAgPGJyPgogIDwvZGl2PgoKPGJyPl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fXzx3YnI+X19fX19fX19fX19fX19fX188YnI+ClVzZXJzIG1haWxpbmcgbGlzdDxicj4K PGEgaHJlZj0ibWFpbHRvOlVzZXJzQG92aXJ0Lm9yZyI+VXNlcnNAb3ZpcnQub3JnPC9hPjxicj4K PGEgaHJlZj0iaHR0cDovL2xpc3RzLm92aXJ0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3VzZXJzIiBy ZWw9Im5vcmVmZXJyZXIiIHRhcmdldD0iX2JsYW5rIj5odHRwOi8vbGlzdHMub3ZpcnQub3JnLzx3 YnI+bWFpbG1hbi9saXN0aW5mby91c2VyczwvYT48YnI+Cjxicj48L2Jsb2NrcXVvdGU+PC9kaXY+ PGJyPjwvZGl2Pgo= --===============1324183108529678350==-- From apgriffiths79 at gmail.com Wed Aug 23 12:29:58 2017 Content-Type: multipart/mixed; boundary="===============3031669936081758652==" MIME-Version: 1.0 From: Alan Griffiths To: users at ovirt.org Subject: Re: [ovirt-users] Inter Cluster Traffic Date: Wed, 23 Aug 2017 13:29:55 +0100 Message-ID: In-Reply-To: CAKc-zzZzcVcjT4ubJbGvnUeZdn-h0vL8-TpveaVT796Q23RS1g@mail.gmail.com --===============3031669936081758652== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Just found this in the RHV docs. I think sections 2.8 to 2.12 cover everything you could wish to know about SPM process. It made it clear for me anyway. Once SPM is elected then all communication is via the storage domain, no TCP/IP comms required. https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.0/ht= ml/technical_reference/role_the_storage_pool_manager On 22 August 2017 at 16:58, Alan Griffiths wrot= e: > It's my understanding that when you activate a host part of the process is > to verify that it can connect to all active storage domains. If it cannot > connect to any domain then it will refuse to go to the "up" state. In my > case the storage domains are FC so completely outside the TCP/IP stack. > > On 22 August 2017 at 16:42, FERNANDO FREDIANI > wrote: > >> How do you make the new cluster to use the same storage domain as the >> original one ? Storage Domains in oVirt are a bit confusing and less >> flexible and I am not sure it allows it, does it ? >> >> On 22/08/2017 12:23, Alan Griffiths wrote: >> >> Hi, >> >> I'm in the process of building a second ovirt cluster within the default >> DC. This new cluster will use the same storage domains as the original >> cluster, and I will slowly migrate VMs from the old cluster to the new. >> >> Given that the old and new cluster hosts have a firewall between them I >> need to ensure that all relevant ports are open, with particular attenti= on >> to the correct operation of SPM. >> >> Is it sufficient to open TCP ports 16514 and 54321 to achieve this? >> >> Thanks, >> >> Alan >> >> >> _______________________________________________ >> Users mailing listUsers(a)ovirt.orghttp://lists.ovirt.org/mailman/listin= fo/users >> >> >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >> > --===============3031669936081758652== Content-Type: text/html MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="attachment.html" PGRpdiBkaXI9Imx0ciI+SnVzdCBmb3VuZCB0aGlzIGluIHRoZSBSSFYgZG9jcy4gSSB0aGluayBz 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ovirt cluster within the default > DC. This new cluster will use the same storage domains as the original > cluster, and I will slowly migrate VMs from the old cluster to the new. > > Given that the old and new cluster hosts have a firewall between them I > need to ensure that all relevant ports are open, with particular attention > to the correct operation of SPM. > > Is it sufficient to open TCP ports 16514 and 54321 to achieve this? > > Thanks, > > Alan > > One note: when you say: I will slowly migrate VMs from the old cluster to the new. what do you mean exactly with "migrate"? If you mean Live Migraton as described here: https://access.redhat.com/documentation/en-US/Red_Hat_ Enterprise_Virtualization/3.5/html/Administration_Guide/ sect-Migrating_Virtual_Machines_Between_Hosts.html please note that you can live migrate a VM only within the same cluster, not across. You can edit a VM of a datacenter and change the cluster where it have to start, but you have to first shutdown the VM to do so. Probably you already considered this and the related potential downtime for your services. 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On 23 August 2017 at 13:54, Gianluca Cecchi wrote: > On Tue, Aug 22, 2017 at 5:23 PM, Alan Griffiths > wrote: > >> Hi, >> >> I'm in the process of building a second ovirt cluster within the default >> DC. This new cluster will use the same storage domains as the original >> cluster, and I will slowly migrate VMs from the old cluster to the new. >> >> Given that the old and new cluster hosts have a firewall between them I >> need to ensure that all relevant ports are open, with particular attenti= on >> to the correct operation of SPM. >> >> Is it sufficient to open TCP ports 16514 and 54321 to achieve this? >> >> Thanks, >> >> Alan >> >> > One note: > > when you say: > I will slowly migrate VMs from the old cluster to the new. > > what do you mean exactly with "migrate"? > If you mean Live Migraton as described here: > https://access.redhat.com/documentation/en-US/Red_Hat_Enterp > rise_Virtualization/3.5/html/Administration_Guide/sect- > Migrating_Virtual_Machines_Between_Hosts.html > > please note that you can live migrate a VM only within the same cluster, > not across. > > You can edit a VM of a datacenter and change the cluster where it have to > start, but you have to first shutdown the VM to do so. > Probably you already considered this and the related potential downtime > for your services. > > Gianluca > --===============2200429855290118221== Content-Type: text/html MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; 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