OS X Server :: Breaking Xserve Software RAID Mirror?
Jul 28, 2006
I want upgrade our xserve from 2 x 250GB mirrored discs running Mac OS X 10.3.9 on xserve to running 1 x 250GB system disc (keeping other as spare) and 2 x 500GB mirrored data discs. (Then upgrade to Tiger).
Can I break the software mirror with:
diskutil destroyRAID /dev/disk{x}
or does this destroy the data too? Would I be left with two working, bootable discs or just two RAID slices? If the latter, how can I convert them into 'normal' bootable discs?Would it be better to upgrade to Tiger first? Or not make much difference?
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May 16, 2007
I have a PowerMac G5 and need to purchase an internal RAID card to create a RAID 1 mirror of the system drive... one that will allow me create a Hardware RAID 1 mirror, not software RAID through OS X.
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Feb 14, 2010
On my 2009 Mac Pro, OS X's disk utility seems to allow the provision of making a mirror RAID or a stripe RAID.
Is it possible to shove in 2 drives, make a RAID 0 for two of them, and then add in 2 more drives to make a RAID 1 out of that RAID 0? (a RAID 0+1?)
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Oct 19, 2010
i just set up xServe Raid at home, got the apple 4GB fibre card have the drive fully loaded with both ends configured as raid 5 and then stripped via Software Raid as Raid 0.
Now when i use the AJA disk speed tester, i only get a max of 180MB/s read performance. i am trying to set up an autodesk smoke system! But this is way to slow!
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May 9, 2010
I have a 1TB disk. It is now almost full. I just got a new 1TB disk and I want to make a mirrored RAID set of the two. If I create a RAID set in Disk Utility, does that erase my first disk? Or does it just mirror everything to the second?
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Jul 25, 2006
Is it just a server? and how much do they go in retail shops / stores??
I would like to find out as i have a mac mini, g5 quad and a macbook.. just a fan of apple mac lol. I do alot of webdesigning for many clients, could the xserve be a way to i don't know host these clients or something if it is a webserver?
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Oct 2, 2008
I don't know where I read about this, but I am getting ready to redo one of my systems. Currently it has 2 identical 250GB Hitachies, which use Super Duper every Sunday to backup. I tried doing a RAID 0 back in like 2004 on a system that had 4x60GB. I found out through trial and error and then later reading that you can't boot from a RAID in a Power Mac G4. But like I said earlier I don't know where I read this, but someone stated I could boot from a RAID 1 (mirror) in my Power Mac G4. Is this true? or not? Is it possible to boot from a RAID 1 in a Mac G4 but not RAID 0?
Something tells me this isn't going to work. I have a 10% glimmer of hope that maybe it will just see the drive as a regular drive. This would really be great. If anyone knows the answer to this puzzle please feel free to let me know...
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Sep 28, 2009
Having never set up a RAID config I was hoping I could get a little confirmation on setting up. Firstly, all data will be backed up using a NAS (maybe a time capsule), so at the moment I am just looking to mirror the primary drive of a Power Mac G5 incase of hardware faults.
The G5 is acting as a server and I therefore want to arrive at a situation that if a drive fails, the machine will still boot perfectly from one of the redundant disks (and of course notify the user to the failure), i.e. a bootable RAID 1 configurationAs I understand it, I can only achieve this using a dedicated RAID controller (i.e. this can't be done via a software raid)? Is this the case?
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Nov 24, 2009
I have taking the plunge and bought a new i7 iMac. On my current machine I have 2 WD external USB drives (1TB) in RAID mirror, done through Disk Utilities. I am looking for advice on the correct way to move this to my new machine. Do I simply plug them in, and OSX does the rest? The data is very valuable, and I don't really have enough space to copy it all / back it up before i move it. Being a mirror, it is essentially is my backup.
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May 23, 2012
Literally just got shiny new miniMac Server with the dual 70GB internakky hard drives/disks with OS X 10.7.$ LION pre-installed. What a nice machine in a super cool box Seemed to bootup and run fine!Now my issue (there will be more for this MAC newbie):How to setup AND more importantly (item B below) CONFIRM that a RAID MIRROR is working? Want nothing fancier than 2-nd drive is exact duplicate of 1-st drive at all times. That is, an 'active and full up-to -the second" backup of the main 1-st drive.I have done nothing to 1-st drive as it came from APPLE.When I try to setup RAID set using DISK Utility, I get message about system(1-st drive) can't be used in a RAID or such.
yet I can add 2-nd drive to what I tink is a RAID set and then 'Enable' it.It seems to add another entry to thr left-side of drves list panel but not sure that 1-st and 2-nd drives are BOTH in the new "RAID SET' or that the set just consists of the "single" 2-nd disk? B. I don't think that 1-st drive data is actually being duplicated to 2-nd drive.For instance, how do I know that it was 'caught up' to match 1-st drive AND then is [code]
Info:
Mac mini, Mac OS X (10.7.4), Pre-instaDual Internal drives/disks
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Aug 20, 2014
Can I just remove one of the drives and what are the consequences of the removal. I would like to go from a mirrored raid to a carbon copy of the disk which would be updated weekly and use Time Machine in between.
Do I open up a can of worms - my suspicion is that if I want to do that I'll have to reformat the RAID with the loss of all data.
Any workaround short of making a copy, removing the raid and restoring the data?
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Oct 19, 2007
I have 2ea 250GB internal HD. One with my apps and system on it and the other with no data. How do I mirror my drive with the apps and system? Or is that possible?
Information:
Dual 2.3ghz PowerPC G5
Mac OS X (10.4.10)
8 GB ram / 2ea. 250 GB internal HD
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Feb 13, 2012
I have configured Mac OS XServe 10.6.8. This Server is joined with Windows 2008 AD Server. I have done coming below:
1. Server Admin.app
2. File Sharing -> careated new share folder "test". This folder is located this path "/Volumes/Macintos HD/test"
3. Under Permisstion tab i have clicked + button, then i got new tab "Users & Groups". Their i can see all my windows AD users.
4. I have selacted my user name and two more users full access.
5. Then i have enabled AFP and SMB protocols.
6. Then i have saved the configrstion.
7. Then i went my mac book pro laptop i tryied connect to server afp://192.168.1.5/test
8. I can access the share Folder.
9. Then i have tried smb://192.168.1.5/test
10. User Name and Password not autendicating.
Info:
Xserve, Mac OS X (10.6.8)
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Nov 5, 2010
Apple on Friday added a new server option to its Mac Pro lineup Friday, with a $2,999 system that is designed to replace the Xserve hardware which will be discontinued in early 2011.
The Mac Pro Server comes with one 2.8GHz Quad-Core Intel Xeon "Nehalem" processor, 8GB of RAM, and two 1TB hard drives. It also has Mac OS X Server unlimited with a client license, and an ATI HD 5770 graphics card with 1GB of GDDR5 memory.
The new configuration starts at $2,999 and ships in 2 to 4 weeks. Apple's previously available quad-core and 8-core Mac Pro systems ship within 24 hours, while the 12-core model takes 3 to 5 days to ship.
The new Mac Pro Server can also be upgraded, with custom build-to-order options offering up to two 2.93GHz six-core Intel Xeon "Westmere" processors, for a total of 12 processing cores at an added cost of $3,475. Users looking for the best possible system can also add $3,400 to the price and get 32GB of RAM.
The new hardware became available Friday after Apple quietly announced on its website that it would no longer offer its Xserve rackmounted servers after Jan. 31, 2011. New Xserver orders will be accepted through that date, and the hardware will be backed by Apple's standard one-year warranty.
Apple also issued documentation aimed at helping customers transition from Xserve to Apple's remaining server options, the Mac mini Server and Mac Pro Server. Apple's guide notes that the 12-core Mac Pro with Snow Leopard Server meets or exceeds the performance of the baseline Xserve hardware.
However, while Mac mini with Snow Leopard Server is much less powerful than Xserve, Apple's smallest desktop footprint has been the company's most popular server system since its introduction in the fall of 2009.[ View this article at AppleInsider.com ]
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Nov 12, 2007
Since I'm newly registered on this Forum I can not deal with on my own. We have about 20 intel- based Xserve (headless). Everything works fine except of serial console - there is no way to connect to it. There are only few random characters displayed on system start and thats all. I've tried all connection settings that are mentioned in Apple documentation (57600 8N1, 9600 8N1 etc.. ) with no success. I'm using ZTerm and PL2303 based USB RS232 adapter- no problem with serial console on sun, cisco, brocade and many more . Connection with older xserve's is also possible. I have to put all machines into production, but I can not do this without reinstalling Mac OS X - Raid 1 on OS slice is required. I can not start OS installation with no graphic card or serial console
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May 21, 2012
which system software for a Xserve G4?
Info:
Xserve
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May 24, 2012
My Xserver 10.5.7 has spontaneously lost its Administrator password so it will not let me in to give it a new one. I don't have the Server Installation disk any longer, is there anything I can do to get back on the Xserver computer?
Info:Xserve, Mac OSX (10.5.7)
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Apr 13, 2012
We have an Xserve (intel) with two ethernet ports running on OS X 10.6.8 server. It is connected to our network and sharing files with local users and authentication from our PDC (over an AD network). I need to setup a private network so that we can keep a few PCs off of our primary network (primarily to keep them from getting updates pushed or malware). Using the two ethernet ports, this should be do-able. It's practically automatic on a couple Windows boxes we have setup. However, when I plug a small router into the second ethernet port, I instantly lose the PDC communication on the other. I'm not sure if there are other issues at this point or not because there hasn't been a time when I can bring the system down (yet).
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Dec 9, 2006
My new Xserve started up and I was able to configure it remotely via Server Setup Utility then after I input all of the settings it hung on finishing the setup for about an hour. I then restarted the Server and now I cannot see it.
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Sep 25, 2007
How can I get the "enable access control lists on this volume" option on my Xserve to not be greyed out?
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Jul 2, 2012
My system is MacPro 2009 with 10.6.8 server and Apple RAID card. Last week, RAID util just notified me of one drive is not viable, so i decided to replace the drive today. The configuration of my system is... There is an Apple Raid Card for HW Raid system Bay 1 = 640 TB drive with Mac OS X 10.6.8 server installed Bay 2, 3, 4 = 1.5 TB drives set up as RAID 5 below is what I did to replace the degraded Bay 4...
1. I shut down the system
2. replaced the corrupted drive with the new hard drive
3. tried start the machine again.Now my machine refuses to start up with the blinking question mark... I guess that the system fails to recognize the new drive or cannot find the system files...
4. So I put back the degraded drive...
5. The machine still won't start...
6. I tried to use the 10.6 server installation disk to boot up the machine to check if I can fix the system via disk util; but, everytime I do this, I got kernel panic...
7. resetting PR Ram didn't help, cannot boot up via safe mode as well (since the system file is not accessible now, I guess...).
8. booting via 10.6.2 server installation DVD still gives me kernel panic...
Why would my system corrupt by just replacing one degrade drive? The Mac OS X is not even the part of the Raid system... How am I supposed to fix this issue with out the installation disk?
Info:
Mac Pro, Mac OS X (10.6.8)
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Jun 14, 2012
I am using a 2006 Intel Xserve (10.6.8) at home for storing lots of multimedia. My 2 TB user drive, which is inside of one of the Xserve's drive caddies is nearly full. I purchased a $157 3 TB Seagate Barracuda (Model No. ST3000DM001) from Amazon and put it inside the caddy. It is not being recognized at all. Looking around for solutions I am getting a hint that trying to restrict the data rate to 1.5 GB/s might help, which is documented for some of Seagate's older SATA drives, where one puts a 2-mm jumper clip on a header next to the SATA connector. This 3 TB model has the same header, but the manual only speaks of data rate autonegotiation. I'll be able to try out the drive with the jumper clip in place tonight and will report back. Curiously, in my Thermaltake USB-2 interface (toaster style), Disk Utility shows the drive as "801.57 GB Generic External Media," which is being discussed in a Leopard Server discussion thread. Last I saw, there was no good explanation for this symptom.
Info:
Xserve, Mac OS X (10.6.8), Apple has made quite a bit of money off me over the years.
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Nov 19, 2008
I have a bunch of Mac Computers here and I want to make a file server for them with about 5 drives in an RAID array to be a little bit secure. I am fairly certain how to go about and build myself a basic file server for a bunch of PCs networked together, but I am not sure about how to do it for a network of Macs.
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Jun 24, 2010
I am currently building a RAID setup for storage of iTunes and other files. I have 4 hard drive spots to work with. I have been throwing around a few options. safest way of doing this would be great!
Option 1:
4 x 1.5TB (2x1.5TB RAID 0 + 2x1.5TB RAID 0 Clone) What would be the worst case scenario with this? if one hard drive fails I would just use the clone or vice versa.
Option 2:
4 x 1.5TB RAID 1 with no clone. Which of these is the better option? or is there an option 3?
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Aug 1, 2010
I'm about to get a Mac Mini Server for audio, video, and graphic production, in addition to everyday productivity use. If in the same situation, which would you prefer?
1) to stripe (Raid 0) the two internal disks, or
2) use one as the install/OS disk and the other as the data/scratch disk?
(...assuming you have a 1TB external backup drive, and find FW800 to be much slower than internal SATA for a data/scratch disk).
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Aug 5, 2010
I have a new mac mini server that I need to properly setup. It has 2 identical 500GB hard drives which should be mirroring each other so that in case 1 fails I have a backup. From what I read seems I need to enable RAID 0. This system brings no optical drive so I have to network a iMac to this machine to install the necessary software I will have on the server. Can anyone outline the steps to do this properly?
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Jun 20, 2012
I have just finished setting up my first Lion Server from scratch on a Mac Mini with dual 500GB Drives which I set up as RAID 1. I have the server exactly as I want it, and before the users start logging on and it gets all screwed up I would like to create a disk image of it so that I could reinstall if necessary w/o having to start from scratch.
Is the process of creating a disk image for a RAID 1 any different than that of a disk image from a single drive set up? Will Disk utility just see this as a single volume or will it want to create a disk image of the entire RAID? i.e will the disk image be 1 TB (500 GB x 2)? And when it comes to reimaging my RAID, will I just recreate a RAID 1 and be able to write to it from that disk image?
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Apr 12, 2012
I have an Apple RAID card installed with the following configuration:4 x 2TB HD'sRAID 0+1Yielding a 4TB RAID setPartitioned into:Partition 1: 40GB StartupPartition 2: 40GB Backup StartupPartition 3: The remaining available disk space into a Data drive
The idea was I would have a reserve volume I could load another system onto and it would come in handy.
The problem is that I didn't know that the startup drive was going to have to have an accounting application running on it that needed to have its data on the same volume. This data is growing rapidly and I am in need of expanding the volume. I have a backup of the whole setup.
From what I can gather from my searches, I should be able to resize these partitions but I wanted to know if anyone out there had a similar setup and had tried this. Right now there is no data on Partition 2 so my thought was to delete this partition from the RAID set and then expand Partition 1, doubling the size of my startup. This would get rid of my backup startup but I could achieve that with an external drive.
My hesitation is because I can't find any reference to doing this with a RAID 0+1 scheme (I would have preferred 1+0 but the RAID card didn't offer it...).
Info:
Apple RAID Card, Mac OS X (10.6.8), Server software
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Apr 23, 2012
how can i re-create a hidden lion partition after creating a RAID 1 array for Lion Server 10.7.3 My new mac-mini did not come in the array i'd expect it to come with being a server?
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Feb 7, 2012
I have 4 Discs.Mirrored raid sets One Raid Slice is 'System Mirror'One Raid Slice is 'Data Mirror' There is a lock symbol on all 4 discs. Status is online. I can't delete the raid sets. I can't unmount them. I am the admin but the Disk Utility says "Deleting RAID set failed. Deleting RAID set failed with the error: Invalid Request"
Info:
Mac Pro, Mac OS X (10.6)
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