Mac Mini Server on Yosemite showing x2 Servers with one being redundant

Hi
I have a Mac Mini OS X Server that worked fine with setup/name of 'server' on Mavericks, however since upgrading to Yosemite the server has now become Server (2) (or server-2) leaving a redundant 'server' (server) in the shared tab.I can't access 'server' on the Mac Mini server or via the Network (even with connect as) and cannot rename \server-2' to server. I have re-installed the OS with no change.
Does anyone have any ideas what is going on here please and also how I could reset the 'serve-2r' to show correctly as 'server' and remove the erroneous one?
Thanks
Glennyboy

The real answer to this depends on two things:
1) whether you're just trying to do this within your lab, or you want external systems to be able to get to your services (e.g. students be able to access these resources from outside the school network)
2) whether each device in your schools' network have real-world IP addresses, or whether the network uses NAT.
If the answer to 1 is that this is only within the lab then there isn't likely to be any issue - get an IP address for your server from the network admins (which is why #2 is relevant) and you're set. The network guys would only have other involvement if you wanted to get external access working, in which case you've got to talk to them about opening holes in firewalls, etc.
If this is purely internal (or, at least, doesn't need access from outside the school network) then there isn't likely to be any problem. You could even get away without DNS, although it would be nice if you could get a sensible hostname from the DNS administrators (e.g. server.yourlab.yourschool.edu) but even without that there shouldn't be anything preventing you from running a service and having internal clients connect to it (other than policy issues, of course…). For the most part the admins wouldn't even know you're running a server.
Getting a static, non-conflicting IP address that valid for the school's network is going to be key, though.

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Message was edited by: JoeJoe2009

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Now for those like me who were intrigued by the opportunity to mate the Quad Core i7 with a RAID 0/striped configuration for a performance boost (or if you want to use RAID 1), a RAID configuration is possible, but it there are a few caveats.
First, Apple has two recovery options for the new Macs: a small hidden recovery partition on the boot drive and their Internet Recovery system. While it's possible to boot other systems from a Lion installation DVD extracted from the App Store Lion installer, such bootable optical discs will not boot the Mac mini Server at this time (this may change if Apple modifies the App Store Lion installer). Therefore, as of right now, the recovery partition or the Internet Recovery system are the best options for installing/reinstalling on a RAID set.
Second, if you boot the system using Command+R to access the recovery partition, you can wipe the two drives and create a RAID set, but this process will remove the recovery partition and is incompatible with FileVault encryption (a warning to this effect comes up when you try to start an install/reinstalll on a RAID set, but at that point, you've likely already erased the recovery partition in Disk Utility). If the system boots after the recovery partition is deleted, the only install/reinstall option is Apple's Internet Recovery.
Third, as might be expected depending upon your internet bandwidth, the Internet Recovery system can take a while to boot the recovery tools (10-15 minutes to boot on a standard cable modem connection) and to reinstall the OS (50+ minutes on a standard cable modem connection). Internet Recovery currently reinstalls only Mac OS X Lion and the Server tools on the mini Server; there's no option to install iLife during the OS install (Apple could always change this by updating their servers, and there is a Customize button on the installer, but it is greyed out and cannot be clicked at the present).
Fourth, once the OS is reinstalled, it's possible to reinstall the iLife applications by launching the App Store from within Mac OS and selecting Purchased. The store will indicate that the system is eligible to download the iLife apps and you can do so by agreeing to upload system-identifying information to Apple and signing in with your Apple ID.
I hope all this helps. Here's a more concise step-by-step of how to set up the system with RAID:
THINGS YOU NEED
A fast Internet connection for the mini
Patience
Hold Command+R on the keyboard at start up to boot from the system's recovery partition (if the recovery partition has been deleted, the system should start from Apple's Internet Recovery system; you may need to connect to WiFi if wired ethernet isn't available)
Once you get into the recovery utility, select Disk Utility and for each of the two hard drives:
highlight the drive
select the Partition tab
select 1 Partition from the Partition Layout pulldown menu
select Free Space from the Format pulldown menu
click Apply
After you've wiped both of the drives, highlight one of the disks and click the RAID tab, then create a RAID set (striped or mirrored, as you prefer)
Quit Disk Utility and from the main recovery utility menu select Reinstall Lion (from this point on, if you have any trouble, you can restart the mini from the Internet Recovery system and return to this point, but the recovery partition will be gone as long as you keep the RAID set)
After you install and configure Mac OS X Lion Server (which can take well over an hour to download and install), you should be able to reinstall the iLife applications by launching the App Store App and selecting Purchased, then logging in with your Apple ID and agreeing to send your system info to Apple to download the iLife Applications
If you're using the mini as a production server, I highly suggest setting up some local, external recovery tool, as you don't want to have system downtime protracted by having to wait for an Internet Recovery boot/reinstall. I would also beg Apple to consider this sort of scenario and to provide more supported methods for recovering and reinstalling from local media.
Best of luck to you all.

I found the basic principle on another forum thanks to a guy called 'e-whizz' and this what I did to make RAID 1 work on a mac mini server with LION server.
You can easily configure the second drive on a mac mini server for a Mirrored RAID 1 set with Lion Server without either reinstalling or erasing your existing setup.
The initial setup process takes about 30 minutes, though the rebuilding of the mirror disk will take several hours, depending on the amount of data you have on the drive. It took around 3 hours on a new mac mini server with lion server installed, nothing else configured.
Before you start, please ensure you have a current backup of the server. Getting the following commands wrong can render you server unusable.
What you need to use is the command line version of Disk Utility, diskutil.
Before you start, clone the hard drive. You can use SuperDuper (or similar, I have used SuperDuper) with copying all files onto a USB memory stick. If Lion is freshly installed, 8Gb will do. SuperDuper will create a bootable copy on the USB.
Boot the mac mini from the external USB. To do that, reboot and hold down the option key while restarting. You will see a window, select the USB drive to boot from.
Launch the terminal and type the following command:
diskutil list
This gives you a list of all the drives and partitions your system knows about.
You need to find the Server HD partition (the first disk) and the HD2 partitions (the second disk). These are the two main ~500GB drives. You will be using the disk IDENTIFIERs when issuing the diskutil commands. For a stock standard Mac Mini Server, the commands below are correct, but if you have previously changed the volume names, or repartitioned at any stage the disk identifiers and volume names may differ.
First enable RAID mirroring on existing Server HD volume. This will create a single disk, unpaired mirror, without affecting your data.
Using this syntax:
diskutil appleRAID enable mirror disktomirror
where disktomirror is your disk identifier for Server HD
On my mac mini server, Server HD was disk0s2, so I used this command:
diskutil appleRAID enable mirror disk0s2
You now need to run diskutil list again to see the disk identifier for the new RAID volume. The new RAID volume will be listed as disk# on its own at the bottom of the list.
On my mac mini server this was disk3 (disk 2 was the USB I booted from, disk 0 the first disk and disk 1 the second disk)
Next add the disk HD2 to the Server HD raid mirror volume (on my mac, as I said before, this is disk3) as a new member.
This step will erase disk HD2 and begin an auto repair of the Server HD.
Using this syntax:
diskutil appleRAID add member newdisk raidvolume
replacing newdisk and raidvolume with your particular disk identifiers
On my server this was:
diskutil appleRAID add member disk1s2 disk3
To follow the progress of rebuilding the mirror set, type
diskutil list
It will show you the progress in % of the rebuilding under status
Once finished, reboot and your RAID 1 is up and running and you have also a working backup on your USB (coz' that's where you booted from ;-)
After reboot you can check the status of your RAID with
diskutil appleRAID list
Both drives should show ONLINE under status, interestingly, the device node for the RAID changed on my mac mini server from disk3 to disk2
That's it

Mac mini server: Hardware test error on Hard Drive

Mac mini server: Hardware test error on Hard Drive
'checking for slow read failures': ERROR - Target device access failure - Test failed.
CAN I ACCESS HD (which is our data server) EVER AGAIN? IF SO, HOW?
Meanwhile we wonder if this is really a hardware error. It all happened during writing a time machine backup.
Probably while writing it, some data was relocated by accident, but we can not 100%-sure remember the sequence of actions :/
This is our trauma history:
- time machine got increasingly slower in writing a backup
- we quit the backup
- we switched off the mac mini (on power button)
- we switched on the mac mini
- we stopped time machine to the rules
- we shut down mac mini via command
- we booted the mac mini in save mode
- we see a loading bar
- no progress after 10th of loading bar
- switched off (power button)
- when we now switch on the loading bar below the apple-logo is all we see + the little wheel
- we started with cmd+alt+p+r pressed
- mac mini restarted but showed the loading bar scenario without progress again
- we started with 'd' pressed and did the hardware test (see above)
- we started with 'alt' pressed but it does not give us the recoverydrive to run the last backup
ANY IDEAS?
IS IT A SOFTWARE- OR HARDWARE ERROR?
THX IN ADVANCE!

BDAqua wrote:
I thnk Intenal 2.5" Drives for servers is silly, & Ithink the Minis & iMacs re poorly cooled.
I'd get Temprature Monitor & see what temps they're running.
Is Temperature Monitor an app or a device? If it's a temperature problem then that is essentially a design problem. Two drive failures in the same Mac mini server in four months combined with the fact that they're not really user serviceable already has me 90% on the way back to more pragmatically designed Linux servers. I think it would be foolish to waste any more money on these minis for my business hosting.

Help! Can't install SSD in my new Mac Mini Server (2012)

Previously I've purcahsed Mac Mini servers and removed one of the two drives, replacing it with an OWC SSD. The hardware change was not hard to do and resulted in incredibly good computers for my employees to use which allowed us to retire several old, slow and abandoned-by-Apple Mac Pros. There were no issues with reformatting the computers after they had SSDs put in.
Today I took delivery of a new Mac Mini server, and started to do the same thing, removing the top HDD and sliding in my SSD, since I have many of them around. Unfortunately, the OS would NOT let me format the disks separately or remove the RAID. The volumes (the original 1 TB that was inside and my 480GB SSD) were both colored red when I booted into Internet Restore mode and ran Disk Util, something I've never seen before, and all it would do was say "there was a problem with your disk, would you like to revert it to a working state?" which in this case means Disk Util forcing my drives back into a RAID whether I want them that way or not. (At one point it fused my SSD and the 1TB drive into a single logical drive that had the correct size but didn't show separate sections, and couldn't be de-RAIDED at all, even when I connected to another computer with the Mac Mini in Firewire target mode.)
I gave up and put a 240 SSD in the lower bay, resulting in a 760GB RAID of two mismatched SSD sizes, which isn't what I wanted but I guess it will do. So far it seems to be working.
My question is, why in the heck is Apple forcing me to run my computers as a RAID and/or not letting me break the system into one hard drive and one RAID, which is what I want? (Having the backup disk right inside the computer is very handy.) Is this some feature to keep us from "making our own" Fusion drives? If Apple is deciding we can't hack or do anything interesting with Mac Minis, this will the last one I purchase, and I'm sure there will be others who do the same.
Since replacing one HDD with an SDD is likely to be the most popular mode imaginable for Mac Minis, can anyone tell me if they got a similar setup to work, and if so what did you do? Can you post the steps here for others who will be in this situation?

I'm not sure how or what is different between the Standard 2012 Mac Mini and the 2012 Server...? However it looks like your Server also uses Fusion like or similar to the regular Mac Mini's.
"The version of Disk Utility that comes with Fusion Drive is unique. Earlier versions of Disk Utility can't be used with a Fusion Drive."
Have a look at > Mac mini (Late 2012) and iMac (Late 2012): About Fusion Drive
and > Special Note for Adding an SSD to a 2012 Mac mini. | Other World Computing Blog

Help With MAC Mini Server and New SSD

Hey Guys,
I just got a Mac Mini Server. I swapped out one HD for a new SSD. A Crucial One.
I am booting in recovery mode and it only sees one HD and says it is 1.5 TB, (1 tb regular and the new SSD is 512)
I just want to run osx on the SDD .. help

I'm unsure of the proper procedure as I'm not experienced dealing with Fusion Drive setups. If Disk Utility shows you have a 1.5 TB drive, then what do you see when you boot the computer and check disk drive space using Get Info? I know you can revert the volume you have back to standard format if you don't mind using the Terminal in your Utilities folder:
Open the Terminal and paste or enter the following at the prompt:
diskutil list
Press RETURN. This will list for you the device information for your HDD. Here is an example of the output:
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *120.0 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS Yosemite                119.2 GB   disk1s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3
You want what you see at the top left - /dev/diskn, where n is the integer number. Then enter or paste at the prompt:
sudo diskutil cs revert /dev/diskn ; replace the n with the integer number found above.
Press RETURN and enter your admin password when prompted. It will not echo to the screen, so be careful typing. Press RETURN again. Wait until it completes the process which is when the prompt returns.
Given the potential danger when using the Terminal in this way, please be sure you have first made a reliable backup. Better safe than sorry.

Mac Mini Server on Yosemite showing x2 Servers with one being redundant

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