Mini mac cluster anyone?

Hello,
I'd like to know what is necessary hardware wise to build a cluster on OSX. Are Xserver required?
Linux has a cheap solution with two pcs, two network cards in each pc, and one firewire card in each pc for shared firewire disk space. That's no robust solution but ideal for playing around with clusters at very little cost. Is it concivable to get a similar solution with a couple of mini mac?
The manual is vague on hardware requirement for macs. What is necessary? What is a minimal cluster OSX solution?
Many thanks for helping.
Pierre

Linux has a cheap solution with two pcs, two network
cards in each pc, and one firewire card in each pc
for shared firewire disk space. That's no robust
solution but ideal for playing around with clusters
at very little cost. Is it concivable to get a
similar solution with a couple of mini mac?I did the linux way and did not like it at all. Lots of problems (also corrupt hardware making things worse). For a cluster the shared storage is the biggest problem. Can macosx handle drives that allows multiple connections/logins ? Maybe Xsan could help with this ? I nver played with Xsan but what's in the manual about firewire sharing with Xsan ?
regards,
Ronald.
http://homepage.mac.com/ik_zelf/oracle

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☞ Paste into the window of another application.
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-stats command,uid,mem' '+c0 -i4TCP:0-1023' com.apple.dashboard\ layer-gadgets '-d /L*/Mana*/$USER&&echo On' '-app Safari WebKitDNSPrefetchingEnabled' "+c0 -l|awk '{print(\$1,\$3)}'|sort|uniq -c|sort -n|tail -1|awk '{print(\$2,\$3,\$1)}'" 'L*/P*/com.ap*.p*.ext*.*.*t -exec '"${c1[14]}"' :displayOrder" {} \;' );N1=${#c2[@]};for j in {0..9};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n ' syscall::'${p[33+j]}':return { @out[execname,uid]=sum(arg0) } tick-10sec { trunc(@out,1);exit(0);} '";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents XPC\ cache Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP Wi-Fi Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight Memory Listeners Widgets Parental\ Controls Prefetching SATA Descriptors appexes );N3=${#l[@]};for i in 0 1 2;do l[N3+i]=${p[5+i]};done;N4=${#l[@]};for j in 0 1;do l[N4+j]="Current ${p[29+j]}stream data";done;A0() { id -G|grep -qw 80;v[1]=$?;((v[1]==0))&&sudo true;v[2]=$?;v[3]=`date +%s`;clear >&-;date '+Start time: %T %D%n';};for i in 0 1;do eval ' A'$((1+i))'() { v=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};A'$((3+i))'() { v=` while read i;do [[ "$i" ]]&&eval "${c1[$1]} ${c2[$2]}" \"$i\"|'${c1[30+i]}' "${s[$3]}";done<<<"${v[$4]}" `;[[ "$v" ]];};A'$((5+i))'() { v=` while read i;do '${c1[30+i]}' "${s[$1]}" "$i";done<<<"${v[$2]}" `;[[ "$v" ]];};';done;A7(){ v=$((`date +%s`-v[3]));};B2(){ v[$1]="$v";};for i in 0 1;do eval ' B'$i'() { v=;((v['$((i+1))']==0))||{ v=No;false;};};B'$((3+i))'() { v[$2]=`'${c1[30+i]}' "${s[$3]}"<<<"${v[$1]}"`;} ';done;B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v=` paste -d: <(printf "${v[$1]}") <(printf "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`grep -Fv "${v[$1]}"<<<"$v"`;};C0() { [[ "$v" ]]&&sed -E "$s"<<<"$v";};C1() { [[ "$v" ]]&&printf "${f[$1]}" "${l[$2]}" "$v"|sed -E "$s";};C2() { v=`echo $v`;[[ "$v" != 0 ]]&&C1 0 $1;};C3() { v=`sed -E "${s[63]}"<<<"$v"`&&C1 1 $1;};for i in 1 2;do for j in 0 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;{ A0;D20 0 $((N1+1)) 2;D10 0 $N1 1;B0;C2 27;B0&&! B1&&C2 28;D12 15 37 25 8;A1 0 $((N1+2)) 3;C0;D13 0 $((N1+3)) 4 3;D23 0 $((N1+4)) 5 4;D13 0 $((N1+9)) 59 50;for i in 0 1 2;do D13 0 $((N1+5+i)) 6 $((N3+i));done;D13 1 10 7 9;D13 1 11 8 10;D22 2 12 9 11;D12 3 13 10 12;D23 4 19 44 13;D23 5 14 12 14;D22 6 36 13 15;D22 7 37 14 16;D23 8 15 38 17;D22 9 16 16 18;B1&&{ D22 35 49 61 51;D22 11 17 17 20;for i in 0 1;do D22 28 $((N2+i)) 45 $((N4+i));done;};D22 12 44 54 45;D22 12 39 15 21;A1 13 40 18;B2 4;B3 4 0 19;A3 14 6 32 0;B4 0 5 11;A1 17 41 20;B7 5;C3 22;B4 4 6 21;A3 14 7 32 6;B4 0 7 11;B3 4 0 22;A3 14 6 32 0;B4 0 8 11;B5 7 8;B1&&{ A2 19 26 23;B7 7;C3 23;};A2 18 26 23;B7 7;C3 24;D13 4 21 24 26;B4 4 12 26;B3 4 13 27;A1 4 22 29;B7 12;B2 14;A4 14 6 52 14;B2 15;B6 14 15 4;B3 0 0 30;C3 29;A1 4 23 27;B7 13;C3 30;B3 4 0 65;A3 14 6 32 0;B4 0 16 11;A1 4 50 64;B7 16;C3 52;D13 24 24 32 31;D13 25 37 32 33;A2 23 18 28;B2 16;A2 16 25 33;B7 16;B3 0 0 34;B2 21;A6 47 21&&C0;B1&&{ D13 21 0 32 19;D13 10 42 32 40;D22 29 35 46 39;};D23 14 1 62 42;D12 34 43 53 44;D12 22 20 32 25;D22 0 $((N1+8)) 51 32;D13 4 8 41 6;D12 26 28 35 34;D13 27 29 36 35;A2 27 32 39&&{ B2 19;A2 33 33 40;B2 20;B6 19 20 3;};C2 36;D23 33 34 42 37;B1&&D23 35 45 55 46;D23 32 31 43 38;D12 36 47 32 48;D13 20 42 32 41;D13 37 2 48 43;D13 4 5 32 1;D13 4 3 60 5;D12 26 48 49 49;B3 4 22 57;A1 26 46 56;B7 22;B3 0 0 58;C3 47;D22 4 4 50 0;D23 22 9 37 7;A7;C2 2;} 2>/dev/null|pbcopy;exit 2>&-
Copy the selected text to the Clipboard by pressing the key combination command-C.
8. Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Click anywhere in the Terminal window and paste by pressing command-V. The text you pasted should vanish immediately. If it doesn't, press the return key.
9. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
exec bash
and press return. Then paste the script again.
10. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know the password, or if you prefer not to enter it, press the key combination control-C or just press return three times at the password prompt. Again, the script will still run.
If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
11. The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, there will be nothing in the Terminal window and no indication of progress. Wait for the line
[Process completed]
to appear. If you don't see it within half an hour or so, the test probably won't complete in a reasonable time. In that case, close the Terminal window and report what happened. No harm will be done.
12. When the test is complete, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
At the top of the results, there will be a line that begins with the words "Start time." If you don't see that, but instead see a mass of gibberish, you didn't wait for the "Process completed" message to appear in the Terminal window. Please wait for it and try again.
If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
13. When you post the results, you might see an error message on the web page: "You have included content in your post that is not permitted," or "You are not authorized to post." That's a bug in the forum software. Please post the test results on Pastebin, then post a link here to the page you created.
14. This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I don't necessarily agree with them.
Copyright © 2014 by Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

Moving a hard drive from one Mac Mini to another to create a twin Mini Mac

I have been a PC user since before the stone age, or atleast since the comadore 64, Then I upgraded to a PC with an actual hard drive. It was huge, 12 MB!
along the road I had purchased 3 Mac laptops. All were new and I just never got used to either so I ended up selling both. About 6 years ago I got an iPhone. I have had ipods since they came out and I liked the data integration. Then an appleTV with a HD now 3 more apple TV 3s. Got an iPad 2 followed by an iPad 3 . Last fall my 2 year old 1500 dollar sony lap top with an i7 processor just would not power up at all, It was a nice PC but to be honest I used to be a Sony fan byt after losing 3 out of 4 laptops, and reading about Apples Intel processors, I thought I would try one more time. What a terriffic way to wean off of windows. I am running OSX Maverics with windows 8.1 on bootcamp. I still need windows for a few programs I am running.
One of my biggest thrills is the amount of inexpensive and even free software available on a Mac. And when a new OS comes out, I dont nmeed to fork up a minimum of 2 to 400 dolars to upgrade. Most microsoft software is very expensive.
Im saying all that to say this,
I want/need one more computer in my shop. Prior to my Mac purchase I had 2 PCs running with Windows 8-8.1 Lots o people bitched about the huge change from Windows 7 to Windows 8.1 but personally I love it. Its actually more like a mac now than windows. With running a SSD Windows 8.1 is very fast.
So when I got my Mac Mini with a 1TB hard drive, I took my 250 gb SSD out of my Sony and reformated it. Used Copy clone to clone the Mac OS to the SSD. Very fast and perfect copy. (since then I purchased Copy clone and every day at 11:30 PM CC copyies my SSD Mac Partition to the original HD.
I still havent completely figured how to do the same with my Boot Camp partition. but I purchased Win Clone. There is a fairly long process to seting up the samy system as I have for cloning my mac which is as easy as copying a folder.
Sorry for rambeling
Here is my question. Now that I have a perfectyly cloned hard drive of the actujal hard drive I use inmy Mac Mini, I want to purchase another mac mini, 2012 same as mine. I have an i7 but to save a little I may go with an I5. Can I take that cloned hard drive and just plug it into my new Mac Mini and Viola I have two computers set up perfectly for me when it only took a few minutes. (if this is possible why would anyone ever buy a PC again. I realize a Mac Mini is not the most powerful computer out there, But as tech goes, Its about the most powerful Desk top I have ever owned. I have a secone 120GB SSD that I could then copy both OS systems to. I save all my data extrernally via USB 3 or Firewire 800 to a Promise DS 4600 with 2-3tb hard drives and room for 2 more. I mirrior these right now and have plenty of storage for me
I will use a 1 TB external drive for my shop mac,
Truthfullyu if this works, My mini macs can keep procreating other mini macs all the same configuration
Something I just never could conceve before with a PC. Each PC setup was its own Labor of love and hate. and as much backing up you do, forgfet it, Its still a major deal when one crashes! Hope I didnt run on too long
Thanks

Can I take that cloned hard drive and just plug it into my new Mac Mini and Viola I have two computers set up perfectly
Yes.

Midi keeps cutting out on Garageband (Mini mac)

I am using a (very old) Roland R70 drum machine as a trigger pad for the drum sounds on Garageband on my mini mac.
I have connected it via a midi/usb connector. To my surprise when I connected it for the first time it instantly worked and drum sounds were being triggered!! However, within a few minutes the drums stopped!
If I click onto another 'track' on Garageband and then click back to the drum track and the drums are there again....but for a few seconds, then the link goes and the drums disappear. This leads me to believe its not my connector or the drums machine. Because every time i do this 'reset' (clicking over to another track and then back again) the drums return.
Anyone have any idea why my mid signal keeps dying??

Sweep123 wrote:
Bump - anyone got any ideas on this?
Here is something that may or may not apply. In other thread(s), I recall at least one other case where a person was having intermittent Midi communication issues. It turned out to be his cheaper USB/midi cable device was the issue, and the problem went away when he upgraded it. [That issue is somewhat troubling, as I personally have been eyeing a relatively inexpensive (i.e., <$8 online) USB/midi cabling device too. Evidently, sometimes they work, but can also fail.]

Mini Mac won't shut down!

Core Duo won't shut down or log out or re-start but can sleep. Can use terminal to kill processes but it is not an application causing the problem. The output is to a TV via S-Video and am using wireless keyboard via USB.
Appreciate any suggestions.

hello to the mac world
@sunra
same problem here on my mini mac, intel solo core, happens 3 times in one week now.
it seems that my mini ignores shutdown, restart and log out.
when I terminate the task "login window" then he jumps to the login screen, where I can shutdown or change the user.
anyone an idea about this little problem?
okay, it is not a big problem and with this problem I feel already home now...yes, I used windows the last years
greetings
user1010
ps: please excuse my bad english!

MIni Mac keeps freezing!!!!!

I hope someone can help me!
I have a mini mac and just recently everytime I turn the computer on in the morning I will login and then I go to open a program and then it just freezes! So i have to pull the power cord out in order for the computer to shut down. When I turn it on again I login again and maybe it will work but it takes one/two turns before it will work properly. Can anyone suggest anything? I have done a disk utility on it and it says everything is fine????
Please help

Welcome to the Apple discussions.
I would run the Apple hardware test. Insert your OS X DVD that came with your system, reboot holding the option key down, choose Apple hardware test when prompted, and follow directions.
Did it tell you anything?
PS. It would be useful if you indicated whether you have a G4 or Intel mini, and what version of the operating system you're running.

1080i versus 1080p display - Mini Mac & 46" LC-46D62U SHARP monitor?

We solved our scattered image resolution problem on our new 46" SHARP LCD monitor running on a mini mac (Thanks to BSteely's recommendations).
But we are working with a 1080i resolution by lack of having the option available to set it to 1080p. The mini mac doesn't offer it by default. We are recommended to use switchResX because there is something in the Intel driver for the GMA 950 graphics that picks up on the fact that it is connected to a TV and not a normal monitor that causes it to limit the mini's output to 1080i.
Can anyone or you BSteely share your experience with the software? Is it free? Is it worth it? Will be have more of our money worth: meaning more visible quality going through the process of switching from 1080i to 1080p? Any risk for us to mess up the resolution we were able to obtain so fare (after lots of struggling)?
What is the real difference between 1080i and 1080p? Why are TV's with the 1080p capability more expensive?
Yes, I am a novice in the field. Whole new world. Exiting but confusing. Thank you for all the possible enlightenment.
Deborah

Probably you are dealing with two seperate issues. One is handled from the TV's side and one is handled from the mini's side. First, on the TV, set the View Mode to "Dot by Dot". Refer to the TV's user guide for how to set that mode. That should get rid of jaggy artifacts you mention.
Second, on the mini, it is widely reported that 1080p does not always show up within Displays preferences as expected. Or sometimes 1080p is in fact being sent even when the mini says the resolution is 1080i. It's hard to say which is the case.
Those times when 1080p is not offered as a selection within Displays preferences, others have had success to get it to show up by going into Displays preferences and selecting the "Show displays in menu bar" option. Then, under the resulting menu bar icon that looks like a display, scroll down to "Number of Recent Items" and select 5, or even try 10. For some people, doing this has caused a second 1080 resolution to show up, where the second one is 1080p. A reboot may be required to get this to work.
To check if the mini is outputting 1080p or not, I believe you can check this from the TV by hitting the DISPLAY button on the TV's remote. It should report what it thinks is the format of the incoming video signal. Good luck.

My mini mac 2008 does not have Imovie on it

I contacted Apple and they said I should have IMovie based on when I bought my mini mac. He said to reinstall install disk 2. I did and still no Imovie.
Does anyone know how to get it?

You sure it's not in your Application Folder.
Also if you running from another User Account, log into your Admin Account and check there.

SAMSUNG LE32R87BD connect to Mini Mac via HDMI - HELP!

Can anyone confirm that the Mini Mac can connect to the LE32R via HDMI?
IF so - can anyone give me some instructions - I cant get it to work.
When I boot up the black and white DOS like commands come up, but then it goes blank and says "no signal"
Its a 2GHz intel core 2 duo.

Can you please tell us more about the ports, adapters and the cables that you are using?
Dah•veed

Uploading FCP 7 to Mini mac

like to hear from anyone that has uploaded FCP 7 to mini mac and well that worked

If you don't get an answer here, you might want to post in the FCS discussion at https://discussions.apple.com/community/professional_applications/final_cut_stud io

Mini mac and a possible broken charger unit

In a discussion with a mate he asked if I ever had problems with charger units on my mac.
He uses a mini mac in connection to an external harddrive. That external harddrive currently died during runtime.
The mini mac itself was running fine till then - but it keeps shutting itself down after 5 minutes. No chance on reboot to run it again.
Only after removing the charger from the house power socket it is rebootable.
I never had any issues with the apple chargers yet myself. Might be that the step into virtual nirvana of the external harddrive damaged the charger, though I am not aware if the charger have a return line / return duct.
Does anyone here has experience with such kind of trouble shooting?
Cheers in advace

Several thoughts come to mind, the first of which being that the mini doesn't have a 'charger' - it has an external power brick - thus it can't run unless it is plugged in.
That aside, to troubleshoot this problem it would really be better to have the owner/user of this system post here rather than you, simply because that would give us a first hand description of the problem and allow us to ask questions about the system and its behaviour. Doing it this way can make trying to work out what's going on far more difficult.
For example, what kind of Mac mini is this; how old is it; what is it used for; what software is installed on it; are the shutdowns accompanied by any fan activity; does the system simply shut down or are there any error messages or other dialog boxes on the display; what happens when an attempt is made to reboot it after a shutdown; how much time is needed after shutting down before it starts up again......?
My first reaction to the symptoms as briefly described is that the system is suffering from an overheating problem since the mini is designed to go into protective shutdown if it gets too hot. If that were the case then it would run a lot longer when started from cold than it would when rebooted after running a while. It isn't likely to be a problem with the power supply, since typically these either work or don't, but it isn't possible to rule it out completely until we have more information. The only way that the hard drive's power supply could have an effect is if it failed with a short circuit on the live side, which could be expected to pull down the mini's supply if it were plugged into the same power socket, though it would just as easily blow a house fuse/trip a breaker in that situation.

Setting up mini mac

hello all ive just purchased a mini mac when I try to set it up I get a screen that has two remote controls one with a flashing red light that indicates a battery change can anyone help please

Do you have a keyboard and mouse plugged in? That's a warning that the Mac is not detecting either and that you may need to put batteries in your wireless keyboard or mouse.
-Doug

Using your mini Mac in Europe at 220 V?

I am about to purchase the mini Mac from a Mac Store and have noticed in the specification for power input they have listed 110 V (US, Japan, South America). I spend my time between Europe and the US and would like to be able to take my mini Mac with me. I have gone to the European Apple sites and they have it listed there 110-240 V. Does that mean that if I purchase a mini Mac here in the States, I won't be able to use it in Europe because of the voltage difference, but if I purchase it in Europe I can use it both here and there? Has anyone ever used the mini Mac they purchased in the US in Europe?
Do tell, oh wise one....

There is some confusion as to whether the mini sold in the Americas and Japan is really only 110 volt.
One person reported in this forum a few months ago that they took a new Mac mini to the UK and the power pack burned out immediately when he plugged it directly into the local electric current with just a plug adapter.
However, a number of folks reported just last week in another thread in this forum that they have taken Mac minis bought in North America and used them successfully in various European locations with just a plug adapter without any harm.
Here is an example of a universal adapter that is usable in 150 nations. It will convert any plug to fit any electrical outlet. Plus it has a USB port to charge USB devices in any of the 150 countries. (perhaps overkill, but you never know when you may get a chance trip to Italy!)
Dah•veed

Mini mac cluster anyone?

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