TC configured as RAID?

Has anyone any knowledge regarding whether or not you can connect a USB drive to the TC and configure them in a mirrored RAID. That is, the USB drive would "back up" the TC.

The only way is to destroy the RAID set, and that will destroy all data on the RAID. If you don't have any data, that's not a problem, as long as you have an Internet connection. You can reinstall the OS in Internet Recovery.
OS X: About OS X Recovery

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[debutant] configuration de RAID 5

Hello all,
First all, I am setting up for the first time a RAID5, then excuse me if my question seams to be easy.
I jut recieved a MacPRo with
Bay1 : 1T
Bay2 : 1T
Bay3 : 1T
Bay4 : 650G (Apple RAID card Media
Nay1-3 must be in RAID5
I am not sure if it has been deleivered with the RAID 5 configured because in Finder I can see al 3 disk (also in Disk utilities)
Then if it right, would it possible to know how I can configured it?
I am a bit anxious and I do not want to try and doing something wrong (and then loosing time to reinstall...)
It is the reason why I come quickly in the forum to get some tips and hint.
NB: In raid utility, all option are gry and I can not see an indication about raid5 configuration/setup. Also I will have to rename the hostname of that workstation/server
Your advise will be very helpfully
Thank

Hi
You've posted in the XServe RAID Forum. You don't have an XServe RAID. You have a MacPro with an Apple RAID Card installed. They are completely different. Which is what Tod is trying to tell you.
+"I am not sure if it has been deleivered with the RAID 5 configured"+
Unless you specifically ask Apple (not sure they will do it anyway?) to configure the RAID for you (there may be a charge?) it will be left in its default state. Basically an installed Apple RAID Card and disks that are not part of Raid 5 Set. A JBOD in other words (Just a Bunch of Disks).
+"would it possible to know how I can configure it?"+
Boot from either the Installer disk that came with the MacPro or a Server Installer Disk that is capable of booting the hardware. Once booted launch RAID Utility from the Utilities Menu. Create a RAID Set from there. If you make the 640GB Disk part of the RAID Set you would 'limit' the three 1TB drives to 640GB each. The Interface is fairly obvious and you should see the option to create the RAID Set. It might have been better buying four 1TB drives? If you leave the 640GB drive out of the RAID Set it would have no redundancy.
After you've created the RAID Set you create the Volume. The initialization of the volume can take anything from 14-18 hours. Usually happens overnight. It's important not to power the MacPro down whilst this is happening. It's also important you don't this initially whilst the RAID Card Battery is being charged. You can install and configure the OS whilst this is happening as well as using it.
Do read the link Tod provided as it will help.
Tony

Configure Xserve RAID as a single RAID 5 array?

We just picked up a used Xserve RAID with 14x750GB drives, and we want to configure the entire unit as a single RAID5 array. RAID Utility will let us configure each side as a separate array, but not both sides in a single array. Is this not possible or are we just missing something simple?

No, each side of the RAID is logically separate so while you can create a RAID 5 on either side there is no way to create a single RAID5 of the unit. You can create a RAID 50 and make the 2 RAID5s into a single volume software RAID 0 by using Disk Utility to join the two 5s into a single volume but that's as close as it comes.
HTH,
=Tod

Can I configure a Raid 5 disc through my mac

I'm planning to buy a NAS and wanted to configure RAID 5. Does OS X have a built in configurator application?

There are many solutions for watching BLU-RAY MOVIES on MAcs.
One is to download Bluray for Mac ... with a blueray player, this little player plays most bluerays perfectly.
You can download a trial for free here: http://www.macblurayplayer.com/
Second, You can get a program called MAKEMKV and use it in combination with VLC PLAYER to convert BLU-Ray to MKV format or STREAM from LOCAL NETWORK FAST to watch Blue Ray Free!!!!
GET MAKE MKV here: http://www.macupdate.com/app/mac/34693/makemkv
And VLC PLAYER HERE: http://download.cnet.com/VLC-Media-Player/3000-2139_4-10210434.html?tag=mncol;tx t
There are videos on YOU TUBE to show you how to use MAKEMKV and VLC together.
Also, I just purchased a SAMSUNG Ext. SLIM Bluray writer for under $100 that works great for playing and burning Bluray Disc!
Good Luck

Trying to configure onboard Raid

I am trying to configure the onboard Raid. I have (2) 80GB serial ATA drives and a DVD drive set to master on IDE1. Only (1) of the 80gb drives show up in the bios, and my DVD drive does not read. I know that the DVD drive works because it shows up under different configurations in the Bios. Can anyone help with the right configuration?
Thanks in advance!

here.Check

Hitachi Array Configuration (Cache - RAID levels ? on Oracle9i/Solaris9)

I shall install Oracle9i Release2 on a Sun Enterprise 4500 with 12 processors using a Hitachi 9200 array with a two-controller, 512M each, and 10 73GB drives). IT recommended and decided no fail-over and/or clustering.
1) Does anyone have any previous experience in configuring the cache arrays with specific recommendations. We plan to set the redo logs on that cache as a leading-edge mechanism from that vendor. Are there any known drawbacks.
2) Hitachi suggests that their technology is fast enough to handle RAID 5. What RAID levels do you recommend for permanent, in particular for indexes, and also for temporary datafiles? Oracle listed recommendations have been RAID 0+1 on datafiles; and RAID 1 on redo log files, and archivelog files.
3) Has anyone implemented successfuly RAID 5 on Hitachi before ? The database server will primarily be an MTS with some hybrid EIS features for primarily overnight processing and two consumer groups are associated.

Great work vango44!
Here are some RAID performance statistics I gathered while testing RAID on my system. The testing software was Winbench 99. The hard drives tested were new Seagate ST380013AS drives, formatted NTFS. Winbench was running on a third drive that is not included in the tests and should not affect the results.
The drives were reformatted between tests and chkdsk'ed to try and keep things "apples to apples".
No hardware or software changes other than the RAID setup/connections were made between tests.
Higher numbers mean better performance.
I also ran the same tests on the newish WD Raptor 10K drives:
I couldn't stand all the noise the Raptors made, so I returned them.
On my motherboard:
SATA 1 & 2 = Intel RAID controller
SATA 3 & 4 = Promise RAID controller
If the test title does not include "RAID", then it was a single drive test.
Unfortunately, I don't have a spreadsheet version of the above stats. Otherwise I'd create nice bar charts for us and it's would be easier to deduce performance.
Perhaps some kind reader will OCR the pictures, put them into Excel, and make some nice bar charts for us?
Hope the info helps.

Configuring a RAID

Might someone point me to a how-to for configuring my two 160GB LaCie drives into a RAID? Is one drive to be plugged into the back of the first, which then goes into the G5's Firewire 800 port?
Any help would be appreciated.
Thanks

Does this software do what you want? The Disk Utility doesn't appear to support creating a software RAID with FireWire drives; some companies put two or more drives into a single case with its own hardware RAID system.
(27799)

Best configuration for RAID-setup?

After reading the post about what FS would be best for 5x500GB, it occurred to me that I have to migrate my RAID-setup soonish and that I would like to hear some more opinions before doing so.
At the moment, my server is running 64bit Arch for 1.5 years now, and it is composed of new parts (C2D 8400, 4GB RAM and 3x320GB HD) with an 'old' 6-port SATA RAID-controller (HP-rebranded Adaptec 2605-card) that I recuperated from our previous office-server. Since I had never worked with RAID before in my life, I was very happy that installing an FS on it and installing arch on that FS went without a hassle.
Now I have to grow the capacity, and although I have some spare ports (3 out of 6 are free), I fear that I'll have to rebuild the FS, since I didn't install LVM. Rebuilding the array might include a risk to lose my data, so I'm thinking of just starting over and doing it right this time:
1. Separate disk for the OS, not in a RAID-array
2. 3-disk RAID-5 array, with LVM
3. Partition the LVM in two slices (1 for work and 1 for 'play').
Are there any considerations I have to think of before doing this? I think Ext4 is the FS-of-choice for a server that will be doing mainly NFS (media), CUPS, and some HTTP/PostgreSQL...

All sounds good to me... I'm not personally a fan of RAID-5 just due to personal preference, but with 3 disks it's your only option really.

How to configure sngle-disk RAID?

970a-G46, bios 1.11, and would like to know if anyone else is having trouble configuring a single boot disk for RAID. Along with my twin 500GB RAID 0 & two 320GB RAID 0 drives for applications and data I thought I was OK. My last MSI mobo included an on board Promise RAID controller in addition to the board's standard IDE controller, so C:\was IDE and the rest of my partitions were RAID 0 for, as I mentioned, my applications and data. I lost a RAID 0 drive on the old motherboard but I was able to configure the single remaining RAID drive as a JBOD *single* drive under the RAID array (certainly not RAID 0...)--and the drive ran fine as "JBOD RAID." It was there and attached to the RAID bus and configured as a RAID drive but instead was merely labeled a stand-alone JBOD RAID--functioning exactly like a standard single IDE drive.
It doesn't appear as if the G46 drive controller supports JBOD RAID as a single drive, so I'm guessing that if I want to ,say, use a normal IDE single drive to boot and access the rest of my data from RAID 0 drives, or if I want to boot with a single JBOD RAID disk to access my normal RAID 0 drives--that I can't do any of that with the 970a-G46 without purchasing a separate internal PCI/e RAID 0 controller.
I had hoped that with the G46 I could use one drive to boot (either IDE or JBOD RAID) while all my other drives would be configured to RAID 0. Consensus is that I just need to pick up a separate disk controller, either IDE or RAID (if it supports single-disk RAID--might as well have IDE in that case, right?), to use along side the current G46 Integrated IDE/AHCI/RAID controller. Right?... (Just want to make sure!) Suggestion?
From a dead, cold-boot state after having been turned off all night (not hybrid sleep, not sleep & not hibernation--off as in off), my current fairly slow IDE boot partition boots to a Win8x64 desktop in ~10-12 seconds...! Takes 2-3 secs for a sleeping Win8 to wake up. Don't need a RAID 0 boot drive for sheer boot speed anymore--and sure don't need the extra hassles of maintaining a Windows Boot partition in RAID format!

I'm trying to do this same thing. I currently have 3 drivers setup in RAID 5 and just left my boot drive alone, didn't assign it to a RAID array or anything in the RAID controller setup. I see the drives as you would expect after loading the RAID driver during Windows install but get an 0x80300001 error saying that I can't install the OS to this location. Any ideas on what I'm doing wrong here.

VM Server installer does not recognize RAID configuration in Intel ESRT2

Hello,
I'm having a big issue here trying to deploy my third Oracle VM Server.
I have:
- A Intel Server Board S3420GPLC
- A Intel Xeon X3440 processor
- 16GB DDR3 ECC Memory
- Six 1TB Hard Drives
What I'm trying to do:
- Create a RAID array using Intel ESRT2 (Embedded Server RAID Technology II) using all the discs (done)
- Install Oracle VM Server into the array
- Install some VMs....
The problems:
- When I boot the VM Server installer from USB stick I got an error saying that there is not enought memory. This issue is solved by typing "linux mem=15GB"
- I got a screen per disk warning me about that the discs need to be initialized and all the data will be lost
- When I go to the disk partitioning screen all the disks are listed separated, the installer simply don't recognize the RAID configured before.
What I already tryied:
- Change the RAID controller from ESRT2 to Intel Matrix
-> Didn't solve.
- Create a Driver Disk with the disk images supplied by Intel here
-> I launch the installer using "linux mem=15GB noprobe=ata1 noprobe=ata2 ....". When Im asked by the installer to load the drivers it doesn't recognize the disk, so i couldn't load the drivers.
Now, the questions:
- Is there another driver I can use do make the vm server installer recognize the RAId configured?
- Is there a better way to setup this server, considering that it needs to be "self contanied" (store and run vms)?
Edited by: xyp on 14/10/2010 11:37

So...
- I have installed VM Server into ordinary linux partitions on the first disk.
- I have created a big partition in the first disc with the space not used for the VM Server
- I have created five equal partitions on the other discs
- I have configured software raid 10 using mdadm
Now the problem seems to be solved, i have a storage repository with almost 3TB and can deploy my VMs.
Unfortunatelly only my windows 2008 r2 hardware virtualized vm is working, the linux paravitualized guests not. but this new issue will be a subject for another topic.

What is "best practice" to set up and configure a Mac Mini server with dual 1 TB drives, using RAID 1?

I have been handed a new, out of the box, Mac Mini server. Has two 1 TB drives in it. Contractor suggested RAID 1 for the set up. I have done some research
and found out that in creating the software RAID, this takes away the recovery partition, so I have been reading up on how to create a recovery "disk" using a thumb drive. this part of the operation I am comfortable with, but there are other issues/concerns that I have.
Basically, what is the "best practice" to setup the Mini, configure the RAID and then start the server. I am assuming the steps would be something like this:
1) start up the Mini and run through the normal Maverick setup/config - keep it plain and vanilla
2) grab a copy of the Server app and store it offline in a safe place
3) perform the RAID configuration / reinstall of OS X Maverick using the recovery tools
4) copy down and start the server app
This might be considered a very simplified version of this article (http://support.apple.com/kb/HT4886 - Mac mini server (Late 2012 and Mid 2011): How to install OS X Server on a software RAID volume), with the biggest difference being I grab a copy of the Server App off of the mini before I reinstall, since I did not purchase it from the App store, but rather it came with the mini.
Is there a best practice / how-to tutorial somewhere that I can follow/learn from? Am I on the right track or headed for a train wreck?
thanks in advance

I think this article will answer your question. Hope this helps: http://wisebyte.blogspot.com/2014/01/best-configuration-for-mac-mini-server.html

X4500 RAID Configuration for best performance for video storage

Hello all:
Our company is working with a local university to deploy IP video security cameras. The university has an X4500 Thumper that they would like to use for the storage of the video archives. The video management software (VMS) will run on an Intel based server with Windows 2003 server as the OS and connect to the Thumper via iSCSI. The VMS manages the permissions, schedules and other features of the cameras and records all video on the local drives until the scheduled archive time. When the archive time occurs, the VMS transfers the video to the Thumper for long term storage. It is our understanding that when using iSCSI and Windows OS there is a 2TB limit for the storage space - so we will divide the pool into several 2TB segments.
The question is: Given this configuration, what RAID level (0, 1, Z or Z2) will provide the highest level of data protection without comprimising performance to a level that would be noticable? We are not writing the video directly to the Thumper, we are transferring it from the drives of the Windows server to the Thumper, and we need that transfer to be very fast - since the VMS stops recording during the archiving and restarts when complete, creating down time for the cameras.
Any advice would be appreciated.

I'd put as many disks as possible into a RAID 5 (striping) set. This will provide the highest level of performance, with the ability to sustain a single disk failure.
With striping, some data is written to all the disks in the stripe set. So, if you have 10 disks in the set, then instead of writing data to a single disk, which is slow, 1/10th of the data is written to each disk simultaneously, which is very fast. In effect, the more disks you write to, the faster the operation completes.

RAID configuration help request

greetings
this is my current situation.
my k8n neo2 fx MOBO failled and my power blew up, so i had a replacement mobo and power.
i flashed the mobo to the latest firmware 1.C and continued configuring my system.
in my previous installation, i had my two western digital running on the MOBO raid with winxp sp2 + all hotfixes
i attempted to configure the raid with the same settings,
- enabled the raid device & selecting the disks that are made visible to the raid chips.
- made sure that the disks are found on boot (setting to auto thou when configuring the raid it always sets the disks to none having to set it back to auto, a bios bug that hasnt been fixed at least since version 1.9)
- made sure that the raid device is selected in the disk boot order
- recreated the raid array and made sure that it is bootable (pressing B)
now the issue is that when i hav ethe mentioned raid configuration in place, the raid does not boot
i get that disk not found ctrl-alt-del
but when i turn of the raid chip feature from the bios and boot of the first disk, it boots fine but runs lously since the
raid service deamon fails :P
any ideas on how this can be resolved? ive banged my head with this all day and i dont want to reinstall my **** OS :(
regards
Matice

i did brake and recreate the raid (not wiping the data of course ) but it didnt help, though i didnt try reordering the disks,
ill give that a try now.
as i said, when i disable the raid, the disk boot winxp fine, but xp is acting all bizare propably due to the failiure of the
raid service not running since the raid has been disabled..
Quote from: BOSSKILLER on 30-December-06, 03:13:17
can you boot from alternative location to see array is correctly assigned(etc: all data is there and so on...)
broke array and re-create it, but reverse HDD's position in array by adding into array. (1st, become 2nd, and 2nd become 1st)
re-test.

Back up Server to new Raid 5 Configuration

I have recently had my drive fail on my server, luckly I back it up everynight. I decided to upgrade to a Raid 5 system, so got myself a 256gb Samsung Pro drive as the main drive, and 2 500gb Toshiba drives for the raid system. I set up the raid in my Bios,
and all seemed good, backed up the image I had stored, and no errors, but when booting the screen goes black, and just reboots. I thought iit must be something to do with the Raid config, so went back to the original setup, installed the image directly to
the ssd and it worked fine.
so, my question is, what do I need to do to get the backup to work on the Raid config, as I need to get this working.
Thanks in advance...

So you are trying to do a restore of an Image to a new set of disks.
1 disk is a 256gb and there are 2 500gb drives?
What is the raid configuration? (RAID 0, 1, 5)
When you restore the image, which disk are you restoring to?
After the restore, at what point does it reboot?
Is the BIOS set to boot from the Raid Controller?
Robert Pearman SBS MVP
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Configure RAID 5 on a G5 XServe

We have an XServe with 4 hard disks that we currently have configured to be RAID 1 but we would like to configure it so it can be RAID 5.
The current configuration has the drive with the OS mirrored and the drive for data mirrored. Is it possible to reconfgure it from scratch with a partition on one of the drives to hold the OS and the rest of the space on all of the other drives configured for RAID 5?
Thanks in advance.
XServe G5 Mac OS X (10.4.7)

Hi,
I just happen to have two Apple RAID-Cards on my desk for our Xserves G5. Interestingly, they have 4 SATA connectors and 2 extra ports without connectors, total number of 6. The manual states the 4th port should not be used. Why should a card only for the Xserve G5 have 4 connectors, while G5 and Intel machines only have room for three HDs? G4 machines take four. For external use? Redundancy? Maybe the card was designed with the Xserve G4 in mind. As far as I know, PCI-X should be compatible to PCI, but then other hardware components of the Xserve G4 may not play nicely with that card. And you not only need the card, the Drive Modules must be SATA, too. Again, the manuals states the card conforms to PCI 2.2, 33 or 66 Mhz PCI.
I would test it but there is no Xserve G4 in the house.
MK

TC configured as RAID?

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