Date: Thu, 17 Dec 2009 16:46:44 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: Sossi Andrej <asossi@dotcom.ts.it> Cc: freebsd-scsi@freebsd.org, freebsd-stable Stable <freebsd-stable@FreeBSD.org>, Ivan Voras <ivoras@freebsd.org> Subject: Re: iSCSI initiator and Dell PowerVault MD3000i Message-ID: <4B2A5264.5090302@quip.cz> In-Reply-To: <4B293627.7050000@dotcom.ts.it> References: <4B281279.6060706@quip.cz> <E1NKoB6-000CQP-Ko@kabab.cs.huji.ac.il> <4B28F557.6000305@quip.cz> <4B293627.7050000@dotcom.ts.it>
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Sossi Andrej wrote: > [...] > I use MD300i with FreeBSD 7.0 and 7.1 with iscsi-2.2.2. It work fine. > But be careful to configure MD3000i. MD3000i assign by default first > disk to preferred controller 0, second disk to preferred controller 1, > third disk to preferred controller 0, and so on. First, third, fifth... > disks is usable from FreeBSD, but second, fourth,... disks result unusable. > Work around: manually assign all disks to controller 0. > I'm talking with Dell's technical support, but Dell not support FreeBSD! > In any case, technical support tell me, the problem (maybe) is the > multipath. FreeBSD use only one path (only one IP) to communicate to > MD3000i. Second net interface in unused. > > I hope that I have been helpful. It was helpful! You are right, that MD Storage Manager set preferred controller path to 0 for odd Virtual Disks and 1 to even Virtual Disks. (I don't know why) And if I manually changed it to controller 0, I can access it by this preferred path, but can't access it by the other path. Does it mean I can't use multipath feature? Or what is the right behavior of this "preferred path" settings? Miroslav Lachman
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