Date: Fri, 12 Oct 2012 11:14:41 -0400 From: Adam McDougall <mcdouga9@egr.msu.edu> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Buying recommendation for silent router/fileserver Message-ID: <507833E1.4070505@egr.msu.edu> In-Reply-To: <CAJ-Vmo=LVNSZjOPzumZX0ZKrNkNANpCiyzNO2=p07ri7qk4tLA@mail.gmail.com> References: <20121011145453.GU69724@acme.spoerlein.net> <20121011160521.GB40357@in-addr.com> <5076F955.8070207@egr.msu.edu> <CAJ-Vmo=LVNSZjOPzumZX0ZKrNkNANpCiyzNO2=p07ri7qk4tLA@mail.gmail.com>
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I did not, but I put it on my list to try to accomplish. On 10/11/12 13:41, Adrian Chadd wrote: > Did you ever file a PR for the slow SATA behaviour? > > > > Adrian > > > On 11 October 2012 09:52, Adam McDougall <mcdouga9@egr.msu.edu> wrote: >> On 10/11/12 12:05, Gary Palmer wrote: >>> >>> On Thu, Oct 11, 2012 at 04:54:53PM +0200, Ulrich Sp??rlein wrote: >>>> >>>> Hey guys, >>>> >>>> I need to replace an aging Pentium IV system that has been serving as my >>>> router, access point, file- and mediaserver for quite some time now. The >>>> replacement should have: >>>> >>>> - amd64 CPU (for ZFS, obviously) >>>> - 2x GigE (igress, egress interfaces) >>>> - some form of wlan interface (I currently use an Atheros based PCI card) >>>> - eSATA for attaching a backup disk where I stream ZFS snapshots to >>>> - serial port is always nice, for when I mess up an upgrade >>>> - fan-less if possible >>>> >>>> So far, this here seems to fit the bill perfectly >>>> http://www.fit-pc.com/web/fit-pc/intensepc/ >>>> but pricing seems to defy any reality. >>>> >>>> It does not state directly which chipsets are used for Wifi and >>>> Ethernet, the block diagram claims Ethernet chips to be Intel 82579 and >>>> RTL8111D, but I don't trust that fully. >>>> >>>> For Wifi I can always fall back to sticking in a supported USB stick, >>>> although that's kinda hacky. >>>> >>>> So how well is networking going to be supported by FreeBSD? Should I >>>> just bite the bullet and find out? >>> >>> >>> I'd recommend the Soekris net6501, but it's even more expensive than the >>> intensepc (I suspect due to low hardware volumes but thats just a guess) >>> >>> http://soekris.com/products/net6501.html >>> >>> You also don't specify what kind of storage you need, which is obviously >>> an important factor for a file/media server. >>> >>> Gary >>> _______________________________________________ >>> freebsd-current@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-current >>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >>> >> >> Be wary of the Soekris net6501, I bought three of the 1.6Ghz net6501-70 >> model which has an Atom E-680 cpu (E series) and it compiles more than twice >> as slow as a 1.6Ghz Atom N270 in an older netbook. Someone else running >> Linux reported similar CPU slowness. As far as practical network >> throughput, I could only get 100Mbit/sec with a simple HTTP download of a >> file full of zeros, and OpenVPN could only push about 25Mbit/sec. As a >> practical example of the CPU slowness, it takes about 1.5 minutes to compile >> pkg on the N270 netbook and 5 minutes on the 6501 (around 4.5 if I use -j2). >> A kernel compile took an hour. Unfortunately I had no idea this CPU >> (possibly implementation?) was so slow before I purchased it, and I could >> scarcely find evidence of it on google after hours of searching when I had >> already discovered the issue. I was hoping to find some comparative >> benchmarks between various Atom series but manufacturers generally don't do >> that. >> >> Additionally, the total AHCI SATA write speed on the net6501 (in BSD only?) >> has a strange 20MB/sec limitation but reads can go over 100MB/sec. If I >> write to one disk I get 20MB/sec, if I write to both SATA disks I get >> 10MB/sec each. Write is equally slow on a SSD. Both someone running >> OpenBSD and I running FreeBSD reported the same symptoms to the soekris-tech >> mailing list and received no useful replies towards getting that problem >> solved. I tested the write speed briefly with Linux and it did not appear >> to have the 20MB/sec limitation. I did confirm it was using MSI(-X?) with >> boot -v. I think this hardware would need to fall into Alexander Motin's >> hands to get anywhere with debugging the SATA speed issue. Since it seems >> fine in Linux, maybe some day it can be fixed in BSD but I have no clue how >> that limitation could happen. The disks I tested with are fine in normal >> computers. >> >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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