Date: Wed, 14 Feb 2018 07:11:28 -0500 From: Chris Gordon <freebsd@theory14.net> To: Denise Schuck <denise.schuck@ges.thm.de> Cc: questions@FreeBSD.org Subject: Re: Supported Controllers Message-ID: <804B19A5-C8EA-4ACA-96F7-64C02B824A66@theory14.net> In-Reply-To: <0a5fe0e2-f83d-4b6c-206a-52a7e6249336@ges.thm.de> References: <0a5fe0e2-f83d-4b6c-206a-52a7e6249336@ges.thm.de>
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> On Feb 14, 2018, at 5:25 AM, Denise Schuck <denise.schuck@ges.thm.de> = wrote: >=20 > I have a question concerning supported controllers and can't find = anything about that in the documentation. Some times searching through the man pages gives you better information. > The system I want to install the FreeBSD distribution FreeNAS has an = Adaptec 71605 Controller and an Intel Ethernet Adapter I350-T2. The aacraid(4) driver lists the Adaptec ASR-70165 as one of the cards it = supports. The Intel I350 also works (we use those at work, too) and I = think it=E2=80=99s the ixgbe driver but can=E2=80=99t recall = specifically. One of the big advantages of FreeNAS (or FreeBSD) is the ability to use = ZFS. This includes the ease of management and the protection of your = data that it provides. As a general rule, you want to present ZFS with = the actual disks and not throw a hardware RAID in between. Some RAID = controllers allow you to turn them into individual target mode either = with a setting in their RAID firmware or by flashing them with new = firmware. > (Xeon Processor and 8GB RAM). The general rule of thumb that ZFS will want 1 GB of RAM for each 1 TB = of disk. The impact of having less RAM is that some of the cache=E2=80=99= s (ARC I believe) will not be as big as they could be and you won=E2=80=99= t get as good a read performance as you could. If your system isn=E2=80=99= t very busy, especially with reads, then this won=E2=80=99t matter. I = have a system that doesn=E2=80=99t meat the 1:1 ratio and it works = perfectly fine. > Therefore, will it be impossible to install FreeNAS on my hardware? Or = is it just a matter of released FreeBSD Versions or hardware drivers I = have to install additionally? In summary, everything you have should work out of the box.=20 Chris=
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