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Old Oct 29th, 2018, 10:30 AM   #21
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Quote:
Originally Posted by Macfury View Post
I just fitted my Mac Pro 3,1 with a 1TB WD SSD to replace an older hard drive. The difference is stunning. Boot time way down, quiet and snappier in everything. The 1TB cost me $185 but lots of deals in the 500GB range. I attributed a lot of the sluggishness in web browsing to the idea that the computer and OS were simply getting older, but browsing experience has also improved remarkably.
Did you get an adaptor sled or just plug it straight into the SATA slot?
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Old Nov 3rd, 2018, 01:18 AM   #22
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So the first change I made was to add an Inateck KT4004 USB-3 PCIe card to the mix. Needed an extra rear USB slot and figured I might as well add USB-3 capability.

Worked right out of the gate with El Cap, but Snow Leopard not quite as easy. Found a third party driver, but mis-remembered the install directions and turned my Snow Leopard sandbox into a Kernal Panic. Tried again with directions in front of me and it works OK. Thankfully it only takes me about 5 minutes to restore from my latest asr disk image so no harm no foul, but it sure shows the importance of testing things out before you install and having a sound back-up strategy.

Tested by copying a 2.3 GB group of photos to a 16GB USB 3 memory stick. Took 2 minutes in El Cap but three and a half minutes in Snow Leopard. Then tried transferring to a usb-2 thumb drive on the front of the tower. Five minutes in El Cap and seven minutes in snow Leopard. So it was at least twice as fast writing.

Copy back was another story 20 seconds in Snow Leopard and 15 seconds in El Cap. The USB 2 copy back times were 8-10 times longer.
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Old Nov 3rd, 2018, 12:34 PM   #23
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Quote:
Needed an extra rear USB slot and figured I might as well add USB-3 capability.

Worked right out of the gate with El Cap, but Snow Leopard not quite as easy. Found a third party driver, but mis-remembered the install directions and turned my Snow Leopard sandbox into a Kernal Panic. Tried again with directions in front of me and it works OK.

I'm really quite surprised, amazed actually, that someone would have written a driver for that for Snow Leopard compatibility.

Anyway, I'm glad to hear you got it all working, and both in Snow Leopard and El Capitan. Nice.




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Old Nov 3rd, 2018, 01:33 PM   #24
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So gave the SSD drive a test non-spin. Temporarily hooked into the empty SATA-2 cable in the second optical drive bay.

Boot times, chime to splash Snow Leopard: 15 secs. HD, 8 secs SSD
Boot times, chime to splash El Cap: 22 secs HD, 10 secs SSD

Cut PS Elements launch from 15 to 13 secs. Graphic Converter launch increased from 5 secs to 7 secs. Everything else is very quick to launch regardless the boot drive. In ElCap MS Office crap does launch somewhat faster, but I never use it so not too relevant.

In Snow Leopard overall experience is similar, probably because I have Stoplight and TimeMachine completely disabled, I close applications I am not using, have 32 GBs of RAM, and disable auto updates. There is just not much disk shuffling activity to slow things down. Have not used El Cap enough on this computer to make real comparisons, but overall any improvements would be at most subtle rather than blazingly obvious. Again having disabled StopLight, TimeMachine and auto-updates would probably explain the why.

For my set-up not enough of an improvement to justify the cost, but the money was not wasted as the Laptop could really benefit from the increased size. May also consider making it permanent just for the improved boot times.
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Old Nov 10th, 2018, 03:19 PM   #25
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Sleep Image

A thought here. Was noticing that my Snow Leopard build which is about 19 GB was occupying closer to 50GB of disk space. Tracked the main culprit down to the sleepimage, which mirrors the memory on a disk cache.
32GB of RAM = 32GB Sleep Image.

I can disable this feature via Terminal. Since I never use auto sleep and never set sleep when logged in, I cannot think of any downside to doing so. Had not really thought about this when I was running 4GB of RAM on the previous Mac Pro, but with 32GB and shifting the OS to an SSD it seems to me that disabling the sleepimage would be a good idea.

Can anyone think of any cons?
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Old Nov 10th, 2018, 06:07 PM   #26
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Had not really thought about this when I was running 4GB of RAM on the previous Mac Pro, but with 32GB and shifting the OS to an SSD it seems to me that disabling the sleepimage would be a good idea.

Can anyone think of any cons?

No cons that I can think of as far as removing it goes, but I can think of a few if you if you don't disable it, like wear and tear with all the extra writes/rewrites on the SSD that apparently is not very good for them.

Actually, I didn't think that Snow Leopard even used or supported Sleep Image, and if it did, it was only enabled with the portable Mac laptops.




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Old Nov 10th, 2018, 07:41 PM   #27
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Tracked it down. A sizeable chunk was an asr disk image I had transferred to the admin desktop to speed a restore test. Was staring me in the face the entire time.

Snow Leopard Volume is back to it's normal 19GB
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Old Nov 14th, 2018, 12:08 AM   #28
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Originally Posted by eMacMan View Post
So the first change I made was to add an Inateck KT4004 USB-3 PCIe card to the mix. Needed an extra rear USB slot and figured I might as well add USB-3 capability.

Worked right out of the gate with El Cap, but Snow Leopard not quite as easy. Found a third party driver, but mis-remembered the install directions and turned my Snow Leopard sandbox into a Kernal Panic. Tried again with directions in front of me and it works OK. Thankfully it only takes me about 5 minutes to restore from my latest asr disk image so no harm no foul, but it sure shows the importance of testing things out before you install and having a sound back-up strategy.

Tested by copying a 2.3 GB group of photos to a 16GB USB 3 memory stick. Took 2 minutes in El Cap but three and a half minutes in Snow Leopard. Then tried transferring to a usb-2 thumb drive on the front of the tower. Five minutes in El Cap and seven minutes in snow Leopard. So it was at least twice as fast writing.

Copy back was another story 20 seconds in Snow Leopard and 15 seconds in El Cap. The USB 2 copy back times were 8-10 times longer.



Interesting. As mentioned flawless in ElCap. In Snow Leopard there is a bug. Once you put the computer to sleep, devices won't mount without doing a reboot. An irritant rather than a serious issue.
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Old Nov 14th, 2018, 11:40 AM   #29
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Originally Posted by eMacMan View Post
A thought here. Was noticing that my Snow Leopard build which is about 19 GB was occupying closer to 50GB of disk space. Tracked the main culprit down to the sleepimage, which mirrors the memory on a disk cache.
32GB of RAM = 32GB Sleep Image.

I can disable this feature via Terminal. Since I never use auto sleep and never set sleep when logged in, I cannot think of any downside to doing so. Had not really thought about this when I was running 4GB of RAM on the previous Mac Pro, but with 32GB and shifting the OS to an SSD it seems to me that disabling the sleepimage would be a good idea.

Can anyone think of any cons?
Interesting. While the sleepimage was disabled in Snow Leopard and on my ElCap build. It was active on my laptop. Since I do not do anything critical when running the Laptop on batteries, I disabled it there. Frees up 8GB of drive space but more importantly should increase the lifespan of the SSD on that computer.

Wish I had discovered that a year or so ago.

An aside here, I have not used Carbon Copy Cloner in several years as I find SuperDuper a better tool for creating asr disk images. To be safe I did a CCC clone of the laptop OS before making the modification. Took 11 minutes via FW800 to the SSD on the MacPro.

Next need to explore TRIM and make sure it is active on the laptop and on the ElCap SSD set-up on the Pro
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Old Nov 16th, 2018, 11:44 AM   #30
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TRIM Support

Enabling TRIM support proved extremely easy. However it has to be done in every boot volume that will see the SSD.

For El Capitan:
https://support.4it.com.au/article/h...sx-el-capitan/

For Snow Leopard:
https://mackonsti.wordpress.com/2011...-snow-leopard/
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