Hardware :: Sorting Backups - RAID 1 Vs JBOD?
May 11, 2010
I was reading online that RAID1 is not a very reliable backup method, and is primarily for speedy recovery, over true reliability. I want to buy a dual-bay enclosure; something like the Icy Dock MB662UEAB-2S; [URL] People say they the best thing to do is get 2 separate external drives and backup with one, and use the other to make a copy of the backup drive, so you have 2 separate drives. Would it be fine to just to put 2x1TB drives into the enclosure, setup as JBOD then use Superduper to clone drive A onto drive B. Or is this not a good idea. Also can I stick a single drive into the IcyDock now and buy a second one later, as im a little shot of money at them moment. I got a 500GB old schol hardrive i could use for redundancy for the next 6 months, before i add a second drive into the enclosure.
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Dec 24, 2010
I have a hex with 4x 2tb istalled on regular Mac bays and one ssd on the optical bay. They(4x 2tb) are configured as a giant 8tb JBOD. Now I purchased 3x 3tb and a sata card for the extra sata ports. Is there a way to create another JBOD with the the new 3tb drives and in the near future get rid of 2tb ones and put the 3x 3tbs on the regular Mac ports without loosing the data. All JBOD will be and was created using Snow Leopard's disk utility.
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Oct 27, 2008
I own a PowerMac G3 with 2 hard drive disks. One is a 20gb and the other is a 40gb. I would like to combine the disks with a pseudoRAID type called JBOD. JBOD stands for 'just a bunch of disks.' It's not really RAID. What I'm after is to see these two drives as one 60gb drive. Is that possible? I'm running Mac OS X Tiger.
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Jul 10, 2010
so here is my question/dilemma. I had a server running in RAID0 that had a drive fail so I lost everything. I will be using a large portion of the storage simply to hold media to stream to my TV, so having one large filesystem doesn't give me any benefits. Should I just set up the mac pro with every drive having its own share or should i RAID0 my drives? Im leaning towards a JBOD solution but someone more experienced may be able to give me a better point of view.
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Apr 27, 2008
My brother is going to start school in June for Film. He is all set to buy a Mac and knows the software side of things but not so much the Hardware side.
I have a few questions:
1. Should extra hard drives be bought third party?
2. Should he do a raid setup for backups?
3. How much memory should he buy for Final Cut operations? (third party)
4. Should he look into getting a Dell monitor instead of Apple? What is a comparable Dell monitor?
5. 4-Core or 8-Core?
6. Any other knowledgeable Mac Pro buying advice
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Dec 14, 2009
Does anyone have an OWC Mercury Elite-Al Pro Qx2? If so any idea how to get it into JBOD mode? In the book, it shows to set the selector to 0 if using a software raid, however if I do that the rebuild light just blinks (why when it shouldn't be in a raid?) and does nothing even after 36 hours. All other raid modes that I have tested on this work flawlessly.
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Dec 16, 2008
I have two 750 gb drives that I want to put together as a JBOD as a Time Machine volume. Is there an advantage to having the drives in an external enclosure, such as this one, vs. inside my tower? If inside the tower, I'm concerned that if there's a failure of my boot drive that I would lose the JBOD TM backup.
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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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Dec 2, 2009
I just bought a Guardian Maximus RAID1 kit and I have two 1TB drives in it. I'm using it over Airport Extreme as an airdisk (mac osx 10.6.2)
My question is simply: am I running a risk by partitioning it into two partitions? Should I ever have to rebuild the failed disk (which I understand is really simple with the Guardian Maximus) - will it have trouble doing two partitions? I'm using one 500gb partition for time machine and one 500gb partition as redundant itunes/media.
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Jan 28, 2009
I have a Lacie ext hard drive with 2 x 250gb HD that were one RAIDed into a single 500gb HD. I ran this update Lacie firmware update: http://www.lacie.com/support/drivers...r.htm?id=10053 And now my HD will only show up as two separate HDs of 250gb instead of a single RAID HD of 500gb.
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Sep 30, 2008
My Time Machine has been making the usual regular backups for a few months onto my Time Capsule. I just found that all the backups prior to about a week ago have vanished. It's not a disaster (I think) as I assume that the current backups reflect what's on my iMac (I haven't had to delete files from it yet).
Where did they go? Why did they go?
A possible connection: My TC is 500GB; my iMac 1TB. I recently put extra files for temporary use onto the iMac hard drive - Time Machine said (in effect) 'that's too much, try removing certain folders from the backup'. I excluded said folder and things seemed okay, but it would be at around the time I did that that my old backups have gone.
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May 1, 2008
I have a macpro with 4 x 1tb drives
Is it possible to get a highpoint raid controller and put those 4 drives in a raid 5 array (and then create partitions inside that array) - or do you need to have 1 drive by itself for the operating system, and then create a raid array using the remaining 3 drives?
Lastly, are the highpoint 3500 series a decent card? and fully compatible?
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May 20, 2009
I have a new Mac Pro Quad 2.93 with the Mac RAID card installed with four 1TB drives setup in a RAID 5 array. When creating the volumes in the RAID utility, you can not edit them, resize, etc. If one large volume is created in the RAID utility, you can then partition that one volume using the Apple Disk Utility, which then allows you to resize if needed.
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Sep 13, 2009
I'm using the software RAID right now. Everything is set as RAID 10. I want to move to a RAID card� if I keep it as RAID 10 will I still need to redo everything?
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Nov 4, 2009
Just wondering if anyone has had a similar problem with the Time Machine. I bought a 500gb Time Capsule last July and it has been running perfectly until a few days agp. I noticed that all my backups were no where to be seen (when entering Time Machine on my MBP) and that it was doing a full backup.. The backup took the guts of 36 hours.
I've come home today to find that all backups are gone again and it is doing another full backup!!!Any ideas what is wrong here?
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Jan 28, 2008
ive put 4 of the hitachi 1tbs in my new mac pro.. and i really want to do Raid on them eventually.. and buy the pricey apple raid card.. i'll do it.. but speed wise:
How fast is a Sata connection straight from HD>Motherboard... ~75mb/s?
Is the Raid 5 config with all those drives much faster... around ~110mb/s?
Do you know if there is anyway to get a 5th drive into the raid 5 array? using the ODD space.. or some externals too... i need as much as space as possible...
And boot camp wont work with raid card anymore? I was thinking to have the startup disc be a raptor to increase speed on the apps, how would it integrate with the raid card, etc
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Nov 16, 2009
I have a RAID 0 set up with two 1.5TB HDs. I am doing some reorganizing and want to take all the data on the RAID 0 and move it to one of the hard drives in the RAID 0 and create to single drives. Is there any way of moving all the data from a RAID 0 onto one of the HDs?
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Apr 20, 2010
I am planning on getting a 2010 MP when they come and have a question about it. I am 90% sure that with my budget, I will not be able to after a RAID card. I am wondering if software RAID would be alright or if it's so bad it's not worth doing. Also, there is small chance that I could buy a RAID card later on, how would I install it? I will be using it for 3D animation with Maya and some zbrush modeling. Also I will be doing some Photoshop and illustrator and maybe some gaming on win 7 boot camp. Feel free to list any other pros and cons about either a software RAID or hardware RAID, I wana make sure I have all the details before making a final decision on it.
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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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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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May 15, 2009
As the title says, can you combine 2 drives to one large without the expensive raid card?
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Dec 5, 2010
Been thinking on my backup solutions. Currently I use Time capsule and works great. Then I thought I want a backup of it so got an external USB and use the archive feature. Then I thought scrap that and get a dual drive NAS with a raid mirror. To be honest, I a thinking one backup is enough. Really what are the odds of the main machine and a backup to get screwed up.
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Aug 12, 2009
Having switched recently from Entourage to Mac mail, there is one thing that i am missing and would like some help. I have a large inbox and normally find mail by clicking on the "From" column header, to sort the by the names of people sending me mails. Using entourage I would then press "d" on the keyboard to take me the first name begining with d. However in Mail when I press d, it takes me to the first email in which the subject line starts with a d. How do I get it to take me to the first name begining with d?
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Jun 20, 2010
This may sound like a silly question, but I would like to know how I can arrange files manually in Mac? For example, if I have a folder of 100 photos in running order and I want to move London3.jpg between London 1.jpg and London 2.jpg, how do I do that? I've tried all the different sorting/viewing options. This is a very basic feature in Windows but I can't seem to do it in Mac. I am using Snow Leopard v 10.6.3. am getting very frustrated trying the various options to no avail.
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Sep 15, 2009
Since installing Snow Leopard my Address Book does not sort alphabetically. (I wish I'd not bothered with SL - it's made no noticeable improvement just caused a series of small problems.)
iMac, OSX 10.6.1, Intel.
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Nov 28, 2010
I am trying to sort my files by date and type. I can sort by Modified Date and File Type. Every time I sort by file type, the files are listed alphabetically within their folder type lists. This is not what I want. I want to see all the .rar files in chronological order
As I recall from Windows, I can sort by Modified Date, then Type, and the files will be listed by type, and then secondarily sorted by Date. Is there a way to do this on the Mac?
I'm on 10.6.5
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Dec 6, 2010
I want to sort out my finance spreadsheet where I have the category of the spending and the adjacent cell is the amount I spent.
[Category, Price]
[Gas , $50]
[Grocery , $80]
[Lunch , $15]
[Gas , $34.50]
What I'd like is for a function that can sort the categories into individual columns for the categories. So that this big list of purchases I have is sorted out into their own column that matches the category and then sums it too. Does this make sense? I was sort of avoiding any VBA for this but if thats how it has to be done then thats cool
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Feb 5, 2009
I want this option but ill explain it via Leopards downloads folder. So we have the Downloads folder where items we download via the space time continuum are held. I would like to have the items via downloaded date so for other folders, most recently added. NOT created because the item might have been created 2 weeks ago and not modified cause lord knows, me just opening it means ive modified it.
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Jul 31, 2009
Anyone know of a way to disable natural sorting in Finder? i.e., I want my files to be sorted like:
1
10
2
25
3
Instead of:
1
2
3
10
25
I realize that natural sort is more... natural for humans, but when I have thousands of files that are named like 1267b63a37_461 with random number of letters and digits it's impossible to find anything when they're sorted naturally.
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Dec 16, 2009
I messed up. I had a bunch of trash in trash and then I accidentally moved some good stuff to trash. Now everything is mixed. Is there a way to sort by the deleted date so I can figure out what is good and bad?
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