Date: Tue, 19 Feb 2013 23:20:41 +0100 From: "bsd@todoo.biz" <bsd@todoo.biz> To: Liste FreeBSD <freebsd-questions@freebsd.org> Subject: ZFS + iSCSI architecture Message-ID: <93B2D1C4-8887-45F9-9939-A099AC5E3DA0@todoo.biz>
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Hello, I am about to start deploying a large system (about 18 To which can grow = up to 36 To) based on a big Intel platform with lot's of fancy features = to have turbo boosted platform (ZIL on SSD + system on dongle if I go = for FreeNAS). Since I want to move on quite fast I might decide to use = FreeNAS in it's latest version.=20 The idea behind all that was to grant 5 or six critical servers access = to the NAS so that they can take advantage of :=20 1. space available on the NAS 2. ability of the NAS to use ZFS and of clients to support this file = system (including snapshots)=20 3. Access the server using iSCSI (at least this is what I initially = planned).=20 4. Mount part of their filesystem using data stored on the SAN (like = /usr/local/ or other parts of the system).=20 The server accessing the data will be of two types :=20 1. 2 x Ubuntu server 10.04 LTS=20 2. 4 x FreeBSD (mainly 8 and 9) with jail configured=20 I have started reading about iSCSI and potential problems with FreeBSD.=20= So my main questions would be :=20 =95 Should I go for iSCSI ?=20 =95 Should I rather choose / prefer NFS ?=20 =95 Should I export a Volume as UFS rather than ZFS (is ZFS supported as = a target) ? The main idea is stability, redundancy of data and ease of maintenance = (in a headless FreeBSD / Linux world) before anything else !=20 That's the big pictures, if you have any pointers, advise, they are all = welcome.=20 It is quite late where I leave, so I will reply to posts in 8 to 10 = hours, but I hope to have enough answer(s) to start an interesting = thread (as I think this question is very interesting and not so clearly = explained (at least in my mind))=85=20 Thx very much for your infos and feedback.=20 ________________________________________________ =AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?= =BB=A7=AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?=BB=A7 =AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF= =AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF BSD - BSD - BSD - BSD - BSD - BSD - BSD - BSD - ________________________________________________ =AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?= =BB=A7=AB?=BB=A5=AB?=BB=A7=AB?=BB=A5=AB?=BB=A7 =AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF= =AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF=AF PGP ID --> 0x1BA3C2FD
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