Hardware :: Setting RAID Configuration To Ensure Data Redundancy
Jul 1, 2009
So right now my current configuration features a 1TB Maxtor Central Axis which houses my iTunes library for streaming to my various computers, devices, PS3, and television. In addition I have a 1TB LaCie hard drive that I use to general backups. I have been considering setting up some sort of RAID configuration to ensure data redundancy while also being able to use the same set up work as a streaming NAS server to my other components. I know Drobo makes a product but it's rather expensive given it's specs.
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Apr 7, 2009
I have a MBP (see signature) and two Freecom 500GB USB external Hard Discs. Is it possible to somehow set up these two HDDs in a RAID 1 configuration under OS X. The reason for this is that right now I have a large collections of films on the one of the HDD and would hate to loose them all if the disc failed.
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Sep 25, 2008
Is there any benefit to ordering the MAC Pro Raid card for setting up 2 x 500gig SATA drives in a Raid Zero configuration? Or..Is this accomplished just as well via software in leopard??
Apologies if this is a stupid question - but just wondering if I can save some $ by not having to order the RAID card without giving up anything.
I will use a 3rd 1TB drive for Time machine for back up.
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Feb 8, 2009
So after some hard work I finally got windows installed on my mac. I did so because I needed to run a program called 20-20 design for work. About halfway through the install i got this: Error: Data Error (Cyclic Redundancy Check) Right before this happens the disc kind of slows down and then completely stops. I googled this error and it says more than likely its a bad cd or dvd? Could this be an issue with my new partitioned hard drive?
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Apr 5, 2012
Can I use a Mac Mini purchased in the USA, in the UK? If so can I purchase a UK power lead for it?
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Jun 9, 2012
I have set up an iCloud account, moved photos to iPhoto, etc. but i don't see any storage being used for my photos, iTunes music, etc. in my iCloud account. How do I ensure my data is uploaded?
Info:
iMac, Mac OS X (10.7.4)
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May 15, 2009
I have never setup RAID before and this question may be totally stupid for that matter.
Can I setup RAID 1 (or call it mirroring) without the RAID card? I have two 1TB internal drives in my Mac Pro and I want to mirror them. I don't want to spend another 700 bucks just to setup a mirror.
Disk Utility shows some RAID options, but I am not sure how to use them, or if they will work at all without the RAID card.
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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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Jan 9, 2010
I made about adding esata to my Mac Pro 2.66 Quad, I added a card and now have to esata ports.I've been thinking about buying an Icy Dock enclosure that will hold 2 HD's and supports both USB and esata. The way I see it, I should want to run the faster esata.It has all kinds of settings including some for RAID configurations.It appears that the RAID will work with USB but as to the esata, which is what I want, there is the following language
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Sep 29, 2008
Anyone know if it's possible to attach two USB hard drives to a Time Capsule via a USB hub, and configure them in a RAID1 configuration and use them as my Time Machine backup disk? I would then use the TCs internal drive as network storage.
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Feb 27, 2010
I already have a 2x 1tb RAID 0 drive (totaling 2tb). I butchered my old XP machine and ripped out its 1tb drive.My question is, can I add a that old XP 1tb to the exisiting RAID 0 combination?Before you say, I triple backup all my files which are mainly photos so I am aware of the dangers of RAID 0.
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Mar 8, 2010
I've been looking at the Mac Mini server for my next computer purchase, but I've had a few things confuse about the set up. I've seen at least one thread where someone got their Mini server to use RAID 1 settings on the dual internal drive set up.
What I want to know is will a RAID 1 configuration play nice with Boot Camp?
Is it even possible to use boot camp on a RAID 1 configuration?and if it is possible, would the RAID 1 duplicate the Bootcamp Partition too?
These are three important questions because I like the idea of the RAID 1 security and because I'll be pairing it with a Blu-ray drive I'd most likely have to install Windows via Boot Camp to watch them.
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Nov 20, 2008
I wonder if anyone can give me the basic steps to setting up a RAID array on a Powermac G4 (I think I mean a Raid 0 ie one extra hard drive).I have looked up a couple of articles but they advise to use the original install disc during the set up process. Unfortunately I don't have the original install disc. I have available one extra internal hard drive and one external hard drive.
I would like to set it up so that there are two internal hard drives with one replicating to the other one.
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Nov 4, 2009
I'm using a Mac Mini (C2D 2.0 + 2GB Ram + 10.6.1) as a server with a Raid cabinet connected to it on the fire-wire port.I then add the Raid disk to my startup items on my Mac pro so i can access everything on the raid disk.
I also run the program ShareTool on the mini so i can access files and music from work, i have iTunes running on the mini so it automatically shows up as a shared library at work.
I feel i loose connection to the server if i don't use it for a few min and it even pauses between playing songs in iTunes or when i try changing album. When i click the mini it mostly shows i'm not connected and i have to wait for it to reconnect or click "connect as" to redo it.My questions are:
1. Is there a better way to run a Mini + connected Raid disk so it will stay connected?
2. I have my iTunes library on the Raid disk and add music from my Mac pro but also have ot run iTunes from the same library on the Mini so i can access it from work over VPN, is there a better way to do this so i don't have to copy the actual library from MP to Mini each time i change it?
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Dec 9, 2009
I just got a 2nd caviar black 1tb and I'm goin to be setting up raid with another drive.. I have data on my current 1tb which is backed up with time machine. what do I have to do to get the drives workin in raid? I'm lookin to have a faster write speed since I need the raid setup. Since I will be using the 2 drives for my data and a photoshop scratch disk, should I create a partition for the scratch disk? I've seen some say yes.. Some that said no but without reason.What r the pros/cons to partitionin the drive?
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Nov 21, 2008
I'm thinking about getting a Mac Pro tower from apple, and then buying two 500gb hard drives to place them in a raid 0 config. My question is, is setting up raid as easy as taking out the existing hard drive, placing both the new drives into the mac pro, and selecting raid 0 from OSX when I reinstall the operating system?? Or does the Mac have something similar to a Bios setup where I select that?
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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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Jun 24, 2009
Ever since I got this 2TB external (Maxtor Onetouch III RAID 1) I've had it running in it's default RAID 0 set up and it's been fine, however, recently Leopard's been finicky about loading it. (every so often it seems that the data has been corrupted and I have to reformat). I have the equivalent amount of space on other external discs so I haven't lost anything truly important. So that's the situation, here's what I have been thinking about.
I've been thinking of trying to set it up to be RAID 1 so that I can pinpoint whether one of the drives inside if failing or whether I should just try to call Seagate and see if the drive is still under warranty. Does anyone here know the best way to set up this drive to RAID 1? I know I can set up RAID arrays via Disk Utility, but I can't get DU to recognize each drive separately. (setting it to have 2 partitions of equal size doesn't work either, it comes back as RAID failed)
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Jul 29, 2009
I'm having to bite the bullet on a fresh install, i have already setup a raid in bays 3 and 4. by doing a fresh install will this raid still be recognised by the new os?
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May 6, 2012
I've been trying to migrate data to a new RAID setup, but have been running into the error code 36 issue where Mac created invisible files are killing the file transfers. At any rate, I tried about three different directory cleanup utilities and for the most part got almost all the data to move. Now I'm onto the last bit which was giving me permissions errors as well.I used Batchmod to make everything read write and I ALSO CLEARED THE XTARS. Worked like a charm and everthing transfered. HOWEVER. Killing the extened attributes of the files turned them all into Executible files with no program ownership. BTW, there are font files so there are hundreds of them. Is there anyway to re-assign them or get some of the attributes back?Â
Info:
MacBookPro, Mac OS X (10.7.3)
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Jun 4, 2010
When backing up files to an external drive, I end up overwriting the older versions of files that were previously backed up. Is there a way to copy files from one place to another, but just have files that have been changed to update?
Kind of like how Time Machine or Drop Box works. It just senses changed files and overwrites those, but doesn't recopy unchanged files.
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Feb 29, 2008
Is it possible to extend a software raid 0 (built by disk utility)? Let's say I have already a raid 0 with two disks and want to add a third disk.
Is this possible without loosing/evacuating my data?
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Aug 12, 2009
I have two choices.
1. Apple's Mac Pro RAID Controller, Four Drives, RAID 0+1. One big disk, highest cost.
2. Or, some other RAID Controller (?), Three matching drives, RAID 5. Then, 1 big drive for OS/Applications/Time Machine.
I'd probably move my Home folder to the RAID Array and have just my data striping amongst those drives. Has anyone had a dilemma like this before? I like the idea of hardware separation of my Home folder from the OS.
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Jul 11, 2010
I have a couple of questions regarding backing up my external drive. I've got a 2TB external drive with about 1.5TB of movies, Music etc. I've got another identical empty drive that I want to keep a backup of the first drive on. So my question is what is the best way of backing up this data? I thought of using disk utility(I'm running snow leopard 10.6.4 if that makes any difference) to created a mirrored RAID set. If I plug in the empty drive then create the RAID set will my first drive get wiped when the set is created? or with it leave the data on the first drive intact? Or should I just use something like crashplan to backup to the 2nd drive?
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Oct 1, 2008
I have a single boot disk with just the apps on, and 2 disks in a software mirrored RAID in which I keep all the important stuff.Its just occurred to me, if the boot drive fails won't the software RAID be destroyed as well?Or will it be easy to recover the data off one of the previously RAID1 disks, when the new boot drive is installed?
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May 27, 2010
i can't find a way to set the default calendar to be used when a recognized date is highlighted in Mail.app for Snow Leopard.
the current behavior is that it uses the first calendar shown in the iCal calendar list on the left sidebar of iCal.
further, in iCal i cal reorder calendars but only the ones on my local machine can be at the top of the list and not the Exchange calendar that is my primary one.
what i have to do now is keep remember to switch calendars each time i add a new iCal entry through Mail.app.
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Feb 26, 2009
Right now I have a late 2006 MacBook (C2D) and I am planning on getting a new unibody MacBook in the near future. While using my actual MacBook I replaced the hard disk by a 320 GB Samsung Spinpoint. Of course, I want to have that little friend in the new unibody MacBook. What is the best way to ensure the migration? Just put it in and restart? Or are the any hooks? I hope I could avoid any copying to a third computer, switching hard disks and copying back.
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Jun 27, 2012
I was at the genius bar today because my mac was really sluggish. We discovered after lots of exploration that my trash appeared to be performing exactly correctly but in fact there were 900 files in there that had never actually been deleted. This created a disconnect between the trash and the system so it was slowing performance significantly.
Info:macbook pro, Mac OS X (10.6.1), Iphone 2G
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Dec 11, 2014
How do I ensure that emails are deleted on my iPhone and other devices when I delete them on my iMac?
Info:
iMac (21.5-inch Mid 2011), iOS 7.0.6
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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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