Testing HD Performance & RAM In MDD Under X.4 or X.5

2012-07-17 Thread gifutiger
Greetings,

I recommend using "applejack" however be sure that when you do the install that 
you CHECK the box that says install memory test.

Cheers

Harry

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Re: Testing HD Performance & RAM In MDD Under X.4 or X.5

2012-07-16 Thread Peter Devlin
On 16/07/2012 03:37, "t...@prismnet.com"  wrote:

> What do folks recommend to use to test RAM for defects in an MDD under
> 10.4 or 10.5.   I guess I could boot into 9.2 and use the old standby,
> RAMometer.

I use Memtest on my dual 1.25 MDD with 2 GB of ram and 10.5.8 - although
the 2 GB is slightly more than my Memtest can cope with it's easy to test 1
GB at a time - takes about 2 hours for a full test.

Pete


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Re: Testing HD Performance & RAM In MDD Under X.4 or X.5

2012-07-16 Thread JOHN CARMONNE


On Jul 15, 2012, at 7:37 PM, t...@prismnet.com wrote:


What do folks recommend to use to test RAM for defects in an MDD under
10.4 or 10.5.   I guess I could boot into 9.2 and use the old standby,
RAMometer.






I have here an MDD which has been working mostly trouble-free for
years with 1.5 GB of RAM.   I have a .5GB stick on hand I pulled from
a G4 Mini and I'd like to add it, but I'm concerned that I'll screw up
a good thing.  No reason for my suspicion, just paranoia.  So I want
to test the RAM after I add the odd stick.



MemTest is free and works best for me.


Also, after a hard drive failure, I've finally installed a 6880M in
the machine, and configured it to boot off of mirrored volumes in OS9
and 10.4 and 10.5.   I'd like to compare the disk performance I'm
getting now, mirrored volumes on a 6880M, to what I was getting off of
singleton drives on the built-in bus.



Drive Genius is my favorite for this and also DiskWarrior can find  
errors.



If I've taken a small performance hit, it's worth it for the
redundancy.  But I had to jump through enough installation hoops to
get this working, that I want to confirm that it's not running at
something like 25% of what a drive on the built-in would run at.   I
haven't noticed any substantial performance hit, so it's probably
fine, but numbers are reassuring.



I use Carbon Copy Cloner's timer to check drive speeds between various  
ports.




Thanks,

Jeff Walther





John Carmonne
Placentia CA 92870
From iMac Core Duo 2.0








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Testing HD Performance & RAM In MDD Under X.4 or X.5

2012-07-16 Thread t...@prismnet.com
What do folks recommend to use to test RAM for defects in an MDD under
10.4 or 10.5.   I guess I could boot into 9.2 and use the old standby,
RAMometer.

Also, what do folks recommend to test hard disk performance?

I have here an MDD which has been working mostly trouble-free for
years with 1.5 GB of RAM.   I have a .5GB stick on hand I pulled from
a G4 Mini and I'd like to add it, but I'm concerned that I'll screw up
a good thing.  No reason for my suspicion, just paranoia.  So I want
to test the RAM after I add the odd stick.

Also, after a hard drive failure, I've finally installed a 6880M in
the machine, and configured it to boot off of mirrored volumes in OS9
and 10.4 and 10.5.   I'd like to compare the disk performance I'm
getting now, mirrored volumes on a 6880M, to what I was getting off of
singleton drives on the built-in bus.

If I've taken a small performance hit, it's worth it for the
redundancy.  But I had to jump through enough installation hoops to
get this working, that I want to confirm that it's not running at
something like 25% of what a drive on the built-in would run at.   I
haven't noticed any substantial performance hit, so it's probably
fine, but numbers are reassuring.

Thanks,

Jeff Walther

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