Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 5 Sep 2016 11:10:14 -0400
From:      Chris Kiakas <chris@lrckinfo.com>
To:        =?utf-8?Q?Sol=C3=A8ne_Rapenne?= <solene@perso.pw>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: High availability storage : raid1 of iSCSI or iSCSI + hast
Message-ID:  <2D88912C-2A75-4ED6-BE14-563064250D21@lrckinfo.com>
In-Reply-To: <e0445cf02579fa338e6ff63fa93f54b3@mail.zplay.eu>
References:  <e0445cf02579fa338e6ff63fa93f54b3@mail.zplay.eu>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help

--Apple-Mail=_77021448-AEF2-47FF-A079-84627993E04E
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset=utf-8

Just a note on option 1.

It does not need to be slow. You can get 10gb connection NIC or =
Multilink (laggy/lacp) several NICs together. Make sure your switch =
supports it.

Chris
chris@lrckinfo.com
---------------------------------------------------------------
514.884.8185
320, rue de la Fenaison
Varennes, Qu=C3=A9bec, J3X 2H2
---------------------------------------------------------------
http://www.lrckinfo.com

> On Sep 5, 2016, at 10:56 AM, Sol=C3=A8ne Rapenne <solene@perso.pw> =
wrote:
>=20
> Hello,
>=20
> I am building a high availability cluster with FreeBSD, to make it =
simple, we have 2 master/slave server called Web1 and Web2 and 2 =
master/slave file server called iSCSI1 and iSCSI2.
>=20
> I have been thinking about 2 options and I would like to have some =
feedback if you run one of the option (or something else) :
>    - the first is to create a raid1 of both iSCSI target and mount it =
on the webserver who is the master.
>    - the second is mounting the iSCSI target from the master iSCSI =
server and the master iSCSI server will replicates the data to the slave
>=20
>=20
> 1st option : MASTER Web connects to both iSCSI server and make
>             a raid1 of the iSCSI
>=20
> pros : in case of failure of iSCSI 1 or 2, Web isn't affected
> cons : slow ? network bottleneck ?
>=20
>   +---------+   CARP   +---------+
>   |  Web1   |  <---->  |   Web2  |
>   +---------+          +---------+
>       |raid1\
>       |      \__________
>       |                 \
>   +---------+          +---------+
>   | iSCSI 1 |          | iSCSI 2 |
>   +---------+          +---------+
>=20
>=20
> 2nd option : MASTER Web connects to MASTER iSCSI server,
>            which replicates to slave iSCSI server with HAST
>=20
> pros : no idea
> cons : if we want to switch the iSCSI server we have to stop =
everything
>=20
>   +---------+   CARP   +---------+
>   |  Web1   | <----->  |   Web2  |
>   +---------+          +---------+
>       |
>       |
>   +---------+  CARP +  +---------+
>   | iSCSI 1 |   HAST   | iSCSI 2 |
>   +---------+  <---->  +---------+
>=20
>=20
> Thank you for reading
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to =
"freebsd-questions-unsubscribe@freebsd.org"


--Apple-Mail=_77021448-AEF2-47FF-A079-84627993E04E
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename=signature.asc
Content-Type: application/pgp-signature;
	name=signature.asc
Content-Description: Message signed with OpenPGP using GPGMail

-----BEGIN PGP SIGNATURE-----
Comment: GPGTools - https://gpgtools.org
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=UPGD
-----END PGP SIGNATURE-----

--Apple-Mail=_77021448-AEF2-47FF-A079-84627993E04E--



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?2D88912C-2A75-4ED6-BE14-563064250D21>