Re: Will it work for QNAP 420?

2013-08-27 Thread Björn Wetterbom
I can't imagine that would be a problem. I'm running samba + raid1 on a
5-year-old (ish) ts-209 without any problems. It's got a 500 MHz CPU iirc.

My only issue is that I only get about 1 MB/s throughput on a Gbit LAN. But
I haven't yet had the time to isolate the issue, so I'm not sure the
problem is with the ts-209.

Even my Asus rt-n66u router can do samba+transmission+openvpn (not tried it
though), so you should be fine.

/B


On Tue, Aug 27, 2013 at 1:04 PM, George Sedov radist.mo...@gmail.comwrote:

 Hi guys,

 Thanks for your replies.

 I have another question: everybody tells me that ARM processors are a
 way too slow for raid5+samba+transmission+openvpn, but the only
 information I got on ARM's performance is that Marvell's 1.6 GHz
 kirkwood chips are close to atom N270.

 I guess you have some practical experience with ARMs, can you tell me if
 Marvell's chips will be able to run all these tasks?

 Cheers,
 George


 В Сб, 24/08/2013 в 08:39 +0200, Martin Michlmayr пишет:
  * George Sedov radist.mo...@gmail.com [2013-08-23 19:27]:
   1) First of all, will it work?
 
  Yes, see http://www.cyrius.com/debian/kirkwood/qnap/ts-41x/
 
   3) Can I install rootfs not on the SATA drives, but rather on the usb
   flash-stick, thus leaving all of the drives completely system-free?
 
  Yes, that's supported.
 
   4) Will I manage all this without any experience with debian? :) I used
   gentoo for several years though.
 
  As long as you have experience with Linux, you should be fine.  I
  wouldn't recommend it to people new to Linux, though.



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Re: Will it work for QNAP 420?

2013-08-27 Thread John Holland
On 27.08.2013, at 13:39, Björn Wetterbom bj...@wetterbom.se wrote:

 My only issue is that I only get about 1 MB/s throughput on a Gbit LAN. But I 
 haven't yet had the time to isolate the issue, so I'm not sure the problem is 
 with the ts-209.
 

For me the solution was to replace network cable with a shorter one. dmsg told 
me that the NIC was being initialized at 100/Mbs instead of 1000.

John Holland

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Re: Will it work for QNAP 420?

2013-08-27 Thread Lennart Sorensen
On Tue, Aug 27, 2013 at 01:04:59PM +0200, George Sedov wrote:
 Thanks for your replies.
 
 I have another question: everybody tells me that ARM processors are a
 way too slow for raid5+samba+transmission+openvpn, but the only
 information I got on ARM's performance is that Marvell's 1.6 GHz
 kirkwood chips are close to atom N270.
 
 I guess you have some practical experience with ARMs, can you tell me if
 Marvell's chips will be able to run all these tasks?

Well some chips have XOR DMA engines, which can make raid5 quite fast
without using much CPU.

Some have crypto engines that can offload work for ipsec and openvpn.

So it depends on exactly which chip.

In the case of teh qnap ts-420, the CPU is a marvell 6282, which has
XOR DMA engines, and supposedly some security engine.  Raid5 should be
quite good.  Not sure what the support for the security engine is like
in linux or what the performance is likely to be if it is supported.

-- 
Len Sorensen


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