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Girkers
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 Posted: Thu Oct 27, 2005 11:30 pm |
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Joined: Tue Mar 22, 2005 9:18 pm
Posts: 1422
Location:
Brisbane, Queensland, Australia
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From what I have read you have three options when transferring files to your Myth box from Windows machine.
a) Samba
b) WinSCP
c) NFS
I have only tried Samba and NFS, with no particular testing strategy but have found that NFS was about 1MB/s quicker then Samba.
What are your experiences and is there any other way to get your files to your Mythbox?
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Girkers
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cesman
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Posted: Fri Oct 28, 2005 12:25 am |
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Joined: Fri Sep 19, 2003 7:05 pm
Posts: 5088
Location:
Fontana, Ca
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Windows machine?! What is that?
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cesman
When the source is open, the possibilities are endless!
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Greg Frost
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Posted: Fri Oct 28, 2005 1:17 am |
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Joined: Mon May 10, 2004 8:08 pm
Posts: 1891
Location:
Adelaide, Australia
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Never underestimate the bandwitdth of a truckload of DVDs.
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wififun
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Posted: Fri Oct 28, 2005 2:18 am |
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Joined: Mon Jun 21, 2004 11:25 am
Posts: 291
Location:
Ontario, CA
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step 1. remove HD from WinDoze PC
step 2. install in free IDE slot in Knoppmyth box
setp 3. mount -t vfat /dev/hdb1 /mnt/temp
step 4. cp /mnt/temp/my_legal_movies/* /myth/video
step 5. umount /mnt/temp
step 6. reformat the drive and keep it in your knoppmyth box where all your extra storage belongs.
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cesman
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Posted: Fri Oct 28, 2005 8:11 am |
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Joined: Fri Sep 19, 2003 7:05 pm
Posts: 5088
Location:
Fontana, Ca
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Good idea wififun!
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cesman
When the source is open, the possibilities are endless!
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Xsecrets
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Posted: Fri Oct 28, 2005 8:58 am |
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Joined: Mon Oct 06, 2003 10:38 am
Posts: 4978
Location:
Nashville, TN
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Makes since that NFS is is faster than samba, as it is a much cleaner protocol. and they will both be faster than scp as it is encrypted and that takes at least a bit of time.
_________________ Have a question search the forum and have a look at the KnoppMythWiki.
Xsecrets
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tjc
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Posted: Fri Oct 28, 2005 7:30 pm |
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location:
Arlington, MA
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Actually... With decent CPUs SCP will actually beat NFS. When I was making ISO images or recordings on the old KnoppMyth box and copying them from there to the workstation that had the DVD burner, I tried a variety of transfer methods, and SCP was the clear winner. NFS is an older protocol and has some moderately crufty behaviours.
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tjc
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Posted: Fri Oct 28, 2005 9:38 pm |
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location:
Arlington, MA
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OK, I've got to retract this one based on the current system.  I got curious about the question and did some timing tests:
Code: [xxxxxxxx@silver xxxxxxxx]$ time scp root@black2:/myth/tv/1098_20051026015900_20051026040000.nuv .
Password:
1098_20051026015900_20051026040000.nuv 100% 4385MB 10.9MB/s
06:41146.55user 94.63system 6:45.02elapsed 59%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+921minor)pagefaults 0swaps
[xxxxxxxx@silver xxxxxxxx]$ rm 1098_20051026015900_20051026040000.nuv
rm: remove regular file 1098_20051026015900_20051026040000.nuv'? y
[xxxxxxxx@silver xxxxxxxx]$ time cp /myth/tv/1098_20051026015900_20051026040000.nuv .
1.70user 48.96system 6:30.96elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+156minor)pagefaults 0swaps
[xxxxxxxx@silver xxxxxxxx]$ rm 1098_20051026015900_20051026040000.nuv
rm: remove regular file 1098_20051026015900_20051026040000.nuv'? y
[xxxxxxxx@silver xxxxxxxx]$ time scp root@black2:/myth/tv/1098_20051026015900_20051026040000.nuv .
Password:
1098_20051026015900_20051026040000.nuv 100% 4385MB 10.9MB/s 06:41
143.20user 91.13system 6:43.92elapsed 58%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (4major+916minor)pagefaults 0swaps
[xxxxxxxx@silver xxxxxxxx]$ rm 1098_20051026015900_20051026040000.nuv
rm: remove regular file 1098_20051026015900_20051026040000.nuv'? y
[xxxxxxxx@silver xxxxxxxx]$ time cp /myth/tv/1098_20051026015900_20051026040000.nuv .
1.90user 51.37system 6:40.53elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (1major+155minor)pagefaults 0swaps
NFS is not only faster but also shows a lower CPU load. This directly contradicts my recollection of previous experience, but I've got to go with the evidence I can gather at the moment...  Both systems have been upgraded since the last time I tried this, which might have something to do with it, but never let it be said that I don't 'fess up when I'm wrong. 
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Girkers
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Posted: Fri Oct 28, 2005 9:41 pm |
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Joined: Tue Mar 22, 2005 9:18 pm
Posts: 1422
Location:
Brisbane, Queensland, Australia
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tjc that is the sort of stuff I was after timings and stuff.
Could you post how you did you testing so we have a reference to test our own systems againts. I don't quite get what you are doing in your code quote.
Thanks.
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Girkers
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tjc
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Posted: Fri Oct 28, 2005 9:47 pm |
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location:
Arlington, MA
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Uhm... Running mount | grep -i nfs on the workstation shows this:
Code: black2:/myth on /myth type nfs (rw,nosuid,rsize=8192,wsize=8192,soft,addr=192.168.1.103)
Aside from that the test is trivial. I copied the file multiple times from it's remote location on the KnoppMyth box while alternating the methods (cp over NFS, scp over SSL) to minimize buffering and transient effects. The network between the machines is 100BaseT and runs through a LinkSys BEFSR41.
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EmmEff
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Posted: Fri Nov 04, 2005 3:33 pm |
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Joined: Fri Nov 04, 2005 12:14 pm
Posts: 1
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If you want to improve NFS performance, perhaps try the following to increase the transfer size:
mount -o rsize=32768,wsize=32768 host:/share /mnt
Also, trying tcp improve it as well:
mount -o tcp,rsize=32768,wsize=32768 host:/share /mnt
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lynchaj
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Posted: Sat Nov 05, 2005 9:48 am |
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OK, great thread but I have a question...
Is there a FOSS version of a NFS client for Windows? I use SAMBA because I thought there is no alternative (other than SCP).
I would love to use NFS on my Windows boxen if there are any free clients available.
Thanks!
Andrew Lynch
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Girkers
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Posted: Sun Nov 06, 2005 9:45 pm |
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Joined: Tue Mar 22, 2005 9:18 pm
Posts: 1422
Location:
Brisbane, Queensland, Australia
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The only free NFS client that I have found is the one from MS. It is included with the Services for Unix (SFU) download, which is over 200MB. I have downloaded and installed it and it works just through your network neighbourhood.
I haven't had the chance, but I don't know if you could actually just extract that component (probably not legal anyway), but you can install it by itself.
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Girkers
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graysky
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Posted: Fri Feb 24, 2006 4:19 pm |
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Joined: Wed Dec 10, 2003 8:31 pm
Posts: 1996
Location:
/dev/null
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Interesting. How does FTP compare to NFS for raw speed in transfers in your opinion? My own tests with mid sized files show that FTP is faster than the version of SAMBA that is included in R5A30.2
@Girkers: what exactly did you need to do to enable the NFS client to see your knoppmyth exports? I added the correct line in my /etc/exports to export some shares to my Win box. I should say that the NFS is configured correctly such that my frontend machine can see the exports. I followed the instructions on the wiki by the way [url=Girkers]here[/url]... I can't seem to get the NFS client on my win side to see my mythbox.
NFS is so much easier to do in LINUX!
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Retired KM user (R4 - R6.04); friend to LH users.
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afrosheen
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Posted: Mon Mar 06, 2006 11:19 am |
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Joined: Sat Mar 26, 2005 3:49 pm
Posts: 290
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Yeah, it's been my experience in the past that FTP is the fastest protocol windows natively supports. Samba is always slow regardless of your network speed/hd speed, etc.
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