Date: Thu, 09 Apr 2009 13:47:44 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: FreeBSD and iSCSI for disks. Message-ID: <grkn8v$end$2@ger.gmane.org> In-Reply-To: <2C0AE775-B15B-4B56-A915-6E126F25C8B0@inoc.net> References: <p06240800c601785c92da@[128.113.24.47]> <2C0AE775-B15B-4B56-A915-6E126F25C8B0@inoc.net>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig44ECF0E9E8C2ED92BC8DA58D Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Robert Blayzor wrote: > On Apr 7, 2009, at 5:43 PM, Garance A Drosihn wrote: >> Some friends of mine are looking at the new "DroboPro", which makes a >> lot of disk space available via iSCSI (in addition to firewire 800), >> and they were wondering how well iSCSI works with FreeBSD. I haven't >> paid attention to iSCSI support. Is there anyone using it heavily >> for disk-storage under FreeBSD? Has there been much changed for >> iSCSI support in the 8.x branch, or is 7.x support working fine? >=20 >=20 >=20 > If you're looking for "production ready" iSCSI initiator support in > FreeBSD, do yourself a favor, save some time, and look into something > else. Seriously, we went down this road just recently testing both > FreeBSD 7.0/7.1 amd64 on various Dell servers with Intel (em) Gig-E > NIC's and it was very easy to basically get the box to lock up solid > and/or panic. Our targets were both Netapp and Equallogic iSCSI SAN's.= =20 > We didn't have a lot of time to debug it, our setup was pretty simple..= > yet when we tried to run various simulated real world load on it the > boxes just caved. Even with jumbo frames enabled on the NIC's the > performance was mediocre at best. Unfortunately due a time constraint > we had to move the clients to CentOS 5.2/5.3 and things have been very > good so far. I was hoping that FreeBSD's iSCSI support was a bit more > solid, or at least hoping that the (isp) driver had support for the > QLogic iSCSI HBA's... no luck. I have a feeling this is because the ISCSI initiator in FreeBSD hasn't been updated since 2007. There have been patches and new development but nothing committed and/or MFC-ed. I'm just starting to evaluate it, so I can't say anything about its stability yet. --------------enig44ECF0E9E8C2ED92BC8DA58D Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJ3eBgldnAQVacBcgRAr7CAJ9jxfzTivXyXPDbco/Cex/OAvng/QCdEyEv CLCPUMOVCwz/n0YI1ascJVU= =olFs -----END PGP SIGNATURE----- --------------enig44ECF0E9E8C2ED92BC8DA58D--
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