Hi Alan,
Spotlight takes quite a long time as it has to Reindex the drive.
Also when it has finished.
Check your hard drive do a Repair in Disk Utility. Just use Disk Utility on the 
iMac to Repair the drive, might be a couple of ‘niggles’ need repairing on the 
Drive.

Cheers 
Ronni

Sent from Ronni's iPhone 7 Plus

> On 29 Apr 2018, at 10:43 am, Alan Smith <[email protected]> wrote:
> 
> Hi Ronni
> 
> An update, just for information.
> 
> Couldn’t resist getting on with the job.  I  did a complete restoration from 
> the SuperDuper bootable backup. There was a problem.
> 
> Very slow on restarting first time after Restore.   Not all menu bar app 
> icons had loaded.  I allowed a few minutes but no progress.  I started a song 
> in iTunes and it worked - for about one minute, then the system crashed.  
> “Your computer was restarted because of a problem”.  The problem report of 
> the panic showed BSD process was mds.  Comment was “a freed zone element has 
> been modified: expected (x)  but found (y) etc”.  So probably just a 
> Spotlight indexing issue. 
> 
> I did an SMC reset.  Mac now looks ok, menu bar icons ok and  iTunes music 
> has been playing ok for last hour.
> 
> I can now gradually do all the little things before I try for another High 
> Sierra download.
> 
> Cheers
> Alan
> 
> 
>> On 28 Apr 2018, at 8:58 pm, Alan Smith <[email protected]> wrote:
>> 
>> Hi Ronni
>> 
>> I exclude ~/Music from TM backups because there is no need for it.  I have 
>> several other copies of my iTunes music, apart from formal SuperDuper 
>> backups.  On other devices I try to keep such libraries on an external drive 
>> to keep the actual computer clean and mean.  The 2009 Mac iTunes library 
>> also has a changing content of videos copied from my master collection on an 
>> external drive.  I keep a selection of favourite videos for those Apple TV 
>> times when I am immobile and the Mac mini is otherwise occupied with Eye TV 
>> recording or processing.  I used to get video artefacts from time to time 
>> when the more powerful 27 inch iMac had to do all the work.  By the way, 
>> most of my home network is wired ethernet. 
>> 
>> With three computers writing their Time Machine backups to one Time Capsule  
>> drive I found large backups worked but were were often delayed.  Time 
>> Machine backups from three computers to the equivalent Netgear router were 
>> not reliably managed at all.  I bought the Netgear because the Time Capsule 
>> showed early signs of failure.  In practice I run dual backups for each 
>> computer using a local external drive plus  the central Time Capsule.  I 
>> even run a third TM backup for the main 27 inch iMac to a “network" drive on 
>> the Netgear router.  It copes with a single data source without issues.  
>> 
>> The 2009 iMac local external dedicated Time Machine drive is a Firewire 800 
>> WD My Book Studio. This is quick and easy to use.  The SuperDuper backup 
>> shares a partitioned drive with the 27 inch Mac on a Seagate GoFlex drive 
>> that annoys me a bit.  It always makes lots of clunky sounds whenever it is 
>> plugged in - possibly clogging up Spotlight with unwanted data!  And I’ve 
>> used Time Machine Restore previously and found it quick, quiet and reliable. 
>>  And I’ve not made a full Restore using SuperDuper before.
>> 
>> Why would you re-install the complete os and data, including the iTunes 
>> files, anyway?  
>> 
>> My current thoughts about the problem is that is NOT an endless loop of one 
>> download after another.  I think the real download fails very early in the 
>> sequence, but the App Server just keeps pumping out bytes but there is no 
>> “Install” file to write it to. 
>> 
>> Thank you, I received your H.S. Upgrade tutorial and all conditions are 
>> fulfilled or in hand.  Must catch up with my real life so will not have so 
>> much time for this simple little task of installing HS for a while.
>> 
>> And thanks again for keeping me at the task and for your prompt responses.
>> 
>> Cheers
>> Alan
>> 
>> 
>>> On 28 Apr 2018, at 12:39 pm, Ronda Brown <[email protected]> wrote:
>>> 
>>> Hi Alan,
>>> 
>>> Why would you exclude your ~/Music folder from TM backups when you wanted 
>>> to use the 2009 iMac to listen to music?
>>> Why didn’t you do a complete system restore using your SuperDuper! backup 
>>> that has your complete system backed up - that you did just before you 
>>> commenced trying to upgrade the iMac to High Sierra?
>>> 
>>> 1. I would do a full system restore from the SuperDuper! backup first as it 
>>> has the whole computer system (including ~/Music folder) backed up.
>>>  
>>> 2.Then if you received my tutorial ‘PREPARE TO UPGRADE TO HIGH SIERRA 10.13 
>>> I sent to you “OffList” last night. Follow that, before attempting to 
>>> download and install High Sierra!
>>> 
>>>> The full SuperDuper backup is 142.9 GB.  The ~/Music folder is 118.7 GB.  
>>>> Therefore OS and data is 23.2 GB.
>>> 
>>> My calculation is 24.2GB but it’s not really important.
>>> 
>>> Cheers,
>>> Ronni
>>> 
>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>> 
>>> 
>>>> On 28 Apr 2018, at 10:34 am, Alan Smith <[email protected]> wrote:
>>>> 
>>>> Hi Ronni
>>>> 
>>>> The whole system was restored from Time Machine except for  the ~/Music 
>>>> folder which is excluded in backup options.  
>>>> 
>>>> The newly restored 2009 iMac with OSX 10.9.5 Mavericks is 23.99 GB.
>>>> The full SuperDuper backup is 142.9 GB.  The ~/Music folder is 118.7 GB.  
>>>> Therefore OS and data is 23.2 GB.
>>>> 
>>>> How is this so?  I have three Macs. 
>>>> 
>>>> The  27 inch late 2012 iMac (High Sierra) is my workhorse.  This was 
>>>> bought to replace the 21.5 inch late 2009 iMac (Mavericks) which had an 
>>>> argument with lightning and lost its ethernet port.  The “new" computer 
>>>> developed a problem during 2017 - it shuts itself down after being active 
>>>> for around 5 days and requires an SMC reset before restarting.  Not very 
>>>> useful for EyeTV recording and AppleTV etc.  I eventually took it to the 
>>>> Apple Genius Bar for repair.  Not happy about that experience.  Suffice to 
>>>> say they didn’t fix it.  Hence - -
>>>> 
>>>> I bought an SSD Mac mini as my media machine. Stays powered on 24/7 for 
>>>> EyeTV recording and processing, and for Apple TV.  Most data (movies etc) 
>>>> are on an external high capacity hard drive.  Hence - - 
>>>> 
>>>> The 2009 Mavericks machine became my kitchen computer which I use it for 
>>>> Safari, playing music and occasional Zoom video meetings.  I only 
>>>> occasionally shut it down even 'tho it is a gas guzzler compared to the 
>>>> later model Macs.
>>>> 
>>>> Yes, Ronni, I did Restore (almost) the whole system!
>>>> 
>>>> I will restore the Music folder from the SuperDuper backup.  I will check 
>>>> out the computer and  prepare it for High Sierra.  May take a few days.
>>>> 
>>>> What is your advice for the next step?  Try a new App Store download?
>>>> 
>>>> Cheers
>>>> Alan
>>>> 
>>>> 
>>>>> On 28 Apr 2018, at 7:58 am, Ronda Brown <[email protected]> wrote:
>>>>> 
>>>>> Hi Alan,
>>>>> 
>>>>> I asked you to Restore the whole system! It will take much longer than 
>>>>> 20mins.
>>>>> 
>>>>>>>> Restore the complete contents of your hard drive from the Time Machine 
>>>>>>>> backup you did before you commenced trying to upgrade to High Sierra.
>>>>>>>> Or Restore from the SuperDuper you did before you commenced trying to 
>>>>>>>> upgrade to High Sierra.
>>>>> 
>>>>> Time Machine automatically backs up your entire Mac, including system 
>>>>> files, applications, accounts, preferences, email messages, music, 
>>>>> photos, movies, and documents.
>>>>> 
>>>>> Restore From Time Machine Backup: Restore your Mac from an external hard 
>>>>> drive or Time Capsule that contains a Time Machine backup of your Mac.
>>>>> 
>>>>> How to restore your hard drive from a Time Machine backup
>>>>> Whether you're having major problems with your current hard drive or 
>>>>> upgrading to a new Mac, Time Machine can help you get back to business.
>>>>> 
>>>>> Power up your Mac and hold down the Command and R keys to enter the macOS 
>>>>> Recovery Partition. Your Mac should boot to a screen that says macOS 
>>>>> Utilities.
>>>>> Select Restore from Time Machine Backup and click Continue.
>>>>> Read the info on the Restore Your System page and click Continue.
>>>>> Select your Time Machine backup and click Continue.
>>>>> Select the most recent backup of your hard disk and click Continue. 
>>>>> Your Mac will then restore the Time Machine backup; once it's done it 
>>>>> will restart.
>>>>> Cheers,
>>>>> Ronni
>>>>> 
>>>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>>>> 
>>>>> 
>>>>>> On 28 Apr 2018, at 7:07 am, Alan Smith <[email protected]> wrote:
>>>>>> 
>>>>>> Correction and update!
>>>>>> 
>>>>>> There is probably no missing data or folders. I forgot that  ~/Music is 
>>>>>> excluded from TM backups.  Also I don’t use Mail on this iMac so the 
>>>>>> Contacts app would have no cards.  Sorry for this.  I assume Recovery 
>>>>>> Mode looked at the total history data of Time Machine to calculate the 
>>>>>> remaining restoration time.  
>>>>>> 
>>>>>> I will proceed with normal testing of apps and data - and will wait for 
>>>>>> Ronni’s advice before I attempt a new download of High Sierra.
>>>>>> 
>>>>>> Alan
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On 28 Apr 2018, at 6:23 am, Alan Smith <[email protected]> wrote:
>>>>>>> 
>>>>>>> Hi Ronni
>>>>>>> 
>>>>>>> I did a restore from Time Machine via Recovery mode for data at 25 
>>>>>>> April, but got a strange outcome.
>>>>>>> 
>>>>>>> After about 20 minutes with around 15% restore and estimated 2 hours 
>>>>>>> remaining, I got the “Restore Succeeded” window with a “Restart to 
>>>>>>> Continue" banner.  This proceeded normally to login and then to prompts 
>>>>>>> similar to a new OS installation.  
>>>>>>> 
>>>>>>> The desktop display looked normal superficially.  The Dock showed some 
>>>>>>> apps that had been removed some time ago. The Finder sidebar showed the 
>>>>>>> default options, not my preferences.
>>>>>>> 
>>>>>>>  I opened a few apps.  Some seemed OK but Contacts only has 2 cards 
>>>>>>> (Apple inc and Me) and iTunes gave a “no library found” message.  The 
>>>>>>> “Music” folder in the Home directory is empty - no iTunes folders!  
>>>>>>> Finder shows 975GB available on the 1TB hard drive. I was expecting 
>>>>>>> around 850GB free.  iTunes would probably account for most of the 
>>>>>>> missing data - say 65GB music plus some movies and videos.
>>>>>>> 
>>>>>>> I have not attempted any data recovery or conducted detailed tests of 
>>>>>>> apps.  I will wait for your comments before I proceed.
>>>>>>> 
>>>>>>> Cheers
>>>>>>> Alan
>>>>>>> 
>>>>>>> 
>>>>>>>> On 27 Apr 2018, at 8:13 pm, Ronni Brown <[email protected]> wrote:
>>>>>>>> 
>>>>>>>> Hi Alan,
>>>>>>>> 
>>>>>>>>>> On 27 Apr 2018, at 6:21 pm, Alan Smith <[email protected]> wrote:
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> It might be best to go back and install the backup you did in 
>>>>>>>>>> Mavericks 10.9.5 before you commenced trying to upgrade to High 
>>>>>>>>>> Sierra.
>>>>>>>>> 
>>>>>>>>> Do you mean reinstall the OS via the Recovery utility or a complete 
>>>>>>>>> copy of OS and data from Time Machine (or Super Super)? 
>>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Restore the complete contents of your hard drive from the Time Machine 
>>>>>>>> backup you did before you commenced trying to upgrade to High Sierra.
>>>>>>>> Or Restore from the SuperDuper you did before you commenced trying to 
>>>>>>>> upgrade to High Sierra.
>>>>>>>> 
>>>>>>>> The SuperDuper Manual will show you How To Restore from SD Backup.
>>>>>>>> If you need more details I did a PDF Tutorial for a client some time 
>>>>>>>> back … "How to Restore from a SuperDuper! Backup.pdf”
>>>>>>>> If you need details how to "Restore the complete contents of your hard 
>>>>>>>> drive from a Time Machine backup” I’ll post details to the list.
>>>>>>>> 
>>>>>>>> I have been doing support work since 5:30am this morning, so I’m now 
>>>>>>>> signing off for tonight. 
>>>>>>>> 
>>>>>>>> Cheers,
>>>>>>>> Ronni
>>>>>>>> 
>>>>>>>> 13-inch MacBook Air (April 2014)
>>>>>>>> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
>>>>>>>> 8GB 1600MHz LPDDR3 SDRAM
>>>>>>>> 512GB PCIe-based Flash Storage
>>>>>>>> 
>>>>>>>> macOS High Sierra 10.13.4
>>>>>>>> 
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