OS X :: Recovering Data From Daisy Chained Firewire External HDD?
Jun 14, 2010
I am looking into all sorts of backup options. Thinking of getting a Lacie 2big 2TB RAID1 (effectively 1TB) firewire external HDD for backup needs. I am not concerned about speed as it is meant for archival purposes only.
Almost ordered one when I found another way to do it is daisy chaining 2 separate 1TB Lacie firewire HDD in RAID1 configuration using Mac disk utility. The advantage being 1> Lacie 2big 2TB HDDs are notorious for being noisy but the Lacie 1TB HDDs are fanless hence super quiet. 2> having two separate DDs+enclosures gives me two independently failing systems for the non-HDD hardware; meaning for the 2big 2TB RAID1 disk if the power supply or the built-in RAID controller card fails then I will have to buy another similar setup to access my data.
My question is in the second senario of daisy chaining 2 X 1TB HDDs in RAID1; If one drive goes kaput will I be still able to mount the healthy drive and retrive my data simply by connecting it to the mac thru firewire? Or, do I need to mirror my data back to a new 1TB before getting access to my data?
Obviously I haven't had the chance to use any RAID setup before, so comments are welcome, or if anyone is using such a setup what could be the other drawbacks that I am not thinking of.
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May 7, 2012
Has anyone successfully connected multiple 3TB LaCie d2 Quadra drives using daily chained Firewire 800 to a 2011-model 27" iMac? Has anyone else had process lockups when connecting multiple 3TB LaCie d2 Quadra drives using daisy chained Firewire 800? How was this problem resolved?New 27" iMac (2,7GHz i5, 2TB internal disk, 8GB RAM, OS Lion 10.7.3)). I connected two LaCie 3TB d2 Quadra external drives, daisy chained to a single Firewire 800 port. (Yes, I performed LaCie's software update to the d2 Quadras.) The finder locks up every day or two; Aperture locks up every few days. the iMac sometimes doesn't go to sleep as specified in the power saver settings. Emptying a few GB from the trash can take DAYS. Copying a 60 GB Aperture library within the internal hard drive can take many hours. Forcing a Quit of Finder or Aperture doesn't allow them to be correctly restarted. The iMac will not shut down from the menu. It must be powered off by holding power button for 6-10 seconds. VMWare Fusion 4 and MS Office 2010 are the only non-Apple software on this computer.
Info:
iMac, Mac OS X (10.7.3)
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Dec 28, 2010
I have two hard drive enclosures: a Macally G-S350SUA, which has Firewire, eSATA, and USB 2.0; and an older Ximeta enclosure which is only USB, which I haven't been using. I have been using the Macally recently but I want to set up a second external hard drive so that I can use the Macally for data. Is it possible to daisy chain two external hard drives through USB, or only through Firewire? The USB plugs on both enclosures are Type B female, so I suppose I'd need a B/B USB cable, which I don't have, so I haven't tried it yet...
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Jul 4, 2012
I have two external drives daisy-chained to my iMac for Time Machine,Superduper bootable back-up and a further Superduper back-up of my old Snow Leopard drive. Since upgrading from 10.7.3 to 10.7.4 I get an irritating message each time I awake the computer from sleep that another computer is using my network and the computer name has to be changed. Changing the name as advised in Sharing of System Preferences does not solve the problem. Only disconnecting the external drives makes the warning go away but this is self defeating since I then cannot use Time Machine and/or Superduper.
Info:
iMac, Mac OS X (10.7.4)
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Aug 27, 2009
Does anyone have any experience daisy-chaining FW 800 drives on a MBP? I've got one right now, but am thinking of adding another but I don't want to use an AC adapter if I don't need to. Will the MBP give enough juice to run 2 daisy-chained FW 800 drives (2.5")? I've got the late 08 unibody 15".
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Jan 17, 2009
After a fiasco with two firewire hard disks (the courier company lost them), I have to purchase an external firewire HD. Once the insurance company refunds my money (which can take up to 90 days), I still want to get the other 2 disks I ordered. Is there a limit on how many firewire drives I can daisy chain? I was thinking on having all 3 hard drives daisy-chained to my iMac.
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Jan 13, 2010
My MBP has one firewire 800 port and I have one external firewire drive. I want to get another external firewire drive but since I only have one FW port, does that mean I can only use one drive at a time? There are times when I know I will need to transfer files from one external drive to another. Is there a way to daisy chain external firewire drives together? Also, will daisy chain slow down the file copy process or even slow down my computer?
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Jun 20, 2014
I have a bad hard drive. I am now booting up from an external HD(passport) and all seems to be going well.I have another external HD (G drive) connected running time machine.
Can take my backed up data from the time machine external HD (G drive), and send it to the Passport and get all my files and programs back?Or will an external Time Machine drive only back up to the macs internal drive?
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Jul 3, 2012
Can I attach multiple hard drives to my iMac chained by Firewire or do I need a separate port? I now have multiple Western Digital drives and find that sometimes they don't connect to the iMac so I'm wondering if I need a separate port or if my iMac FW port is faulty.
Info:
iMac 24", Mac OS X (10.5.6)
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Aug 9, 2010
Getting new iMac i7 in the next week or so. Looking to get a couple of hard drives both will be firewire. I will use one HD to store Music, Movies and Photos (I have about 500gigs worth at least) The other HD will be used to back up everything. I will be using it in conjunction with Carbon Copy Cloner so it will be bootable if I have any probs. Do I daisy chain the drives or get a Hub?
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Dec 2, 2009
I have a real quick question about daisy chaining some firewire drives. I'm looking at buying an OWC Mercury for my macmini. I'm going to connect it via FW800. Can I then daisy chain a FW400 device to the OWC? The drive has 2 FW800 ports but only 1 FW400 so can this be done?
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Aug 23, 2010
I'm running two of these enclosures: [URL] each with 2x2TB drives in RAID0 (i.e. 4TB per enclosure). I use one 4TB array for my user files, and the other for TimeMachine. My user array is connected via FW800, my question is - is it more efficient to connect the other (TM) array via USB2 or via daisy chained FW800? The enclosures use the Oxford 934DSb chipset, which is capable of saturating the FW bus, so thats 100MBps. As i understand it very few interfaces are capable of saturating a USB2 bus such that practically speaking even FW400 gives greater real-world throughput than USB2, despite the 60Mbps difference in spec.
Since one is a TM volume, when backing up from the user array to the TM array will the data have to pass through the computer's controller? It definitely will if it's FW800 -> USB2, but will it have to if it's daisy chained FW800? I'm told this might not be the case as some FW controllers support P2P communication but i can't find too much info about it. Even if there is P2P support the OS needs to know the progress of file transfers and so forth so can it do this even if the drives are transferring via P2P or can it only monitor that sort of thing if the data goes through it's controller? Essentially is it up to the OS or the controller to select the optimal route for data? If it's up to the OS does Mac OS support FW P2P? That said, even if the data does have to go to the computer from one array and back through the daisy chain to the other array, is it still practically faster than the USB2 route?
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Feb 1, 2009
My time machine drive conked out this morning, so I need to get a new drive, and I am planning on either a Western Digital MyBook or an OWC of some sort. (Any thoughts?) So here's what I'd like to do. Once I get the backup running again, I'm interested in running a RAID 1 with two external drives. But the catch is this---I have a late model MacBook, so I've only got two USB 2.0 ports. Here's what I'd like to know. Is it possible to chain things together this way: MacBook <--USB-- First HDD <--FW-- Second HDD That is, connect the first drive to the computer via USB (the only option) and the second to the first HDD via firewire.
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Oct 2, 2007
My ibook g4 (1.42, 14") died recently - I tried a few fixes, they worked for 30minutes or so, then it died again. Seems to be one of these logic board/graphics cards solder problems. Anyway, while it annoyed me quite a bit, it was a couple of years old and allows me to justify buying a macbook (when apple get around to releasing leopard).
I had been making regular backups of my drive using carbon copy cloner, but the last time I did it was about 2 months ago. Not devastating, but ideally I'd like to get most recent stuff back as well.
Is there an easy way to get data from the ibook g4 or am I resigned to ripping open the case, removing the HD and buying a ATA/USB adaptor?
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Feb 10, 2010
I have an ibook 10.4. Its my girlfriends she gave it to me to use since my PC broke. She has one of the newer ones. But a lot of her photos were saved in iphoto. So I'm not sure what happened but I restarted the computer and now itunes is reset and iphoto is reset, microsoft word isnt on the computer anymore. Most other files are still there. But I know she is going to kill me for losing all these photos! I bought this digitial picture frame from Brookstones I'm going to put pictures of us on it and send it to her for V-day. It came with a CD to load the software on it. It works with both mac and PC. It was working fine then I went out to the bar for a little bit. I had used the software fine and already uploaded a few photos before the bar. So I come home to reopen the software and its taking forever, the icon is just bouncing up and down. So I restart the computer. When it comes back the dock is larger, itunes and iphoto is reset. WTF happened?! and how can i change it back? I know PC's have that option where you can revert back to an earlier time.
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Jun 21, 2014
I lost a hard drive with important personal data on a trip overseas. There is no way of getting that hard drive back. However I have an MacBook Pro which once had that same data stored. "Once" because I've reformatted it and installed OSX. I know this is a very tall order to recover data, but is there any computer forensics tricks or any way to get get that data back?
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Nov 5, 2010
I was partitioning an external storage drive with iPartition and ipartition stopped and said it couldn't complete its task and now I am stuck with a drive I cannot access, or rather I cannot access the data that is on it. Drive is greyed out in disk utility. It was not written over however, which I am hoping is a good thing.I have little to no experience with data recovery so some advice on what app to use would be swell.
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Dec 19, 2010
After some warning signs in the last few weeks (not ejected properly, drive icon disappearing from desktop) my Lace BigDisk Extreme 1TB Drive is now seemingly gone forever. No backup.
Not ejected properly warnings were inappropriate as I never unplugged it ... icon disappearing - I simply pulled to power supply pin out of the back and re-inserted it and it came back. Now it-s gone. Lacie has sent a new power supply to me but it did not solve the problem ... the power supply brick light blinks very faintly .. when I pull the p/s pin out of the drive, the power supply brick lights up solid green.
This type of failure seems to be a common occurence. Anyways, I need to recover the data if possible. My options seem to be:
1. Pay a data recovery service $600.
2. Buy the current version of the Lacie that I have and swap out the disks, so that I can at least get to the data. I believe that the current version is the:
d2 Quadra Hard Disk 1 TB eSATA/FireWire800/FireWire400/USB 2.0 .. does anyone know for sure?
3. Buy some other lower priced enclosure with usb or firewire interface to get to the data (but I don't have a clue what to buy)
Does anyone know if either options 2 or 3 will work and which would be the least painful to deal with? I'm not a hardware guy
Lastly, I cannot get the screw off of the back of my dead Lacie drive .. it appears to be a small phillips head but it turns out it's not. What tool do I need to get it off? Or is it opened up some other way?
If anyone could guide me thru the steps to recovery it would be much appreciated!
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Sep 24, 2010
I recently installed ilife 09 into my imac but I cant take advantage of the face detection feature. I deleted my jpg files in the data folder because I thought it was a duplicate file. I didn't know when downloading pictures from a digital camera, iphoto creates two jpg files. One in data folder and other in original folder. I tried copying the jpg files from original folder into the data folder but I'm still having issues. Is there any way I can recover my jpg files from data folder?
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Apr 5, 2012
Bought the new iMac. I have one La Cie 1-TB external HD from previous Mac that I want to hook up to this new one, plus I want to daisy chain a La Cie 160g HD to that one. What driver do I need, and how do I hook them all up?
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Apr 3, 2009
I accidentally deleted a file from my iPod (used as an external hard drive) while it was connected to the laptop.
It's not in Trash, can I still recover it ?
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Jul 27, 2009
just a few minutes ago, i decided to install leopard on my mac. So i cloned my old install onto my external hard drive using carbon copy cloner. once that was done and verified that it was good, i inserted my leopard dvd and installed: erasing my os x install...now i booted up and was messing in disk utility and erased my external hard drive...i thot it was the other one i had plugged in for time machine! i just lost all my important files, including my itunes library, and everything else that i really need!!
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Oct 12, 2009
I need to recover some deleted pictures from my friends PC. Is there any program that will be able to read the NTFS formatted HDD?
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May 8, 2006
I'm a really recent switcher, with a long history with PCs. So far, the experiences have been great, but tonight, my PC history became a liability. I'm pretty handy with a Windows-based, so I know my way around the system quite well. But I was working on my Mac tonight. Having made my G4 PM my server, I was starting to move a folder from one drive to another, when decided that I wanted to reconsider where I was putting the folder. The process cancelled successfully and I had about 1 MB at the destination, and 50 GB still left on the source.
Having canceled it, I wanted to remerge my folder back to the original folder. Simple, right? I dragged the smaller folder onto the 50 GB folder, and OS X prompted me to replace. There is a similar dialog on Windows - in fact, it is titled "Confirm Folder Replace" - that merges the folders together. I didn't think twice about it all and clicked yes... And OS X promptly deleted my 50 GB folder and left the 1 MB folder in its place. My bad. Having said that, what's the best way to recover my 50 GB worth of information? I haven't mucked with the machine so much, so I'm not afraid that the data's being overwritten. But how the heck do I get back to it?
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Jun 2, 2009
My macbook refuses to boot and freezes with either the blue or grey screen of death. I took my computer to the Genius Bar and the guy said my drive was dead but said I could possibly recover some of my files with an external hard drive. How exactly would I go about doing this? I've searched through posts but haven't really found anything specific. Do I go through Disk Utility or do I need a third party program like Data Rescue? He said to just boot from an external drive and then browse my old hard drive (which does show up in Disk Utility) and move things over.
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Apr 16, 2012
My hard drive on my iMac died. However, I saved my music on my back-up Seagate Drive. Now my iMac has a nice new drive and a freshly downloaded copy of iTunes. I found the music on the back-up drive. So far, so good. Now, all I gotta do is get the music files from the back-up to iTunes.So:
(a) How do I do that, since my efforts so far have been unsuccessful.
(b) Can I assume all my original lists and albums are kaput and will have to be recreated and reorganized?
(c) When I sync my iPod to the new library, can I assume it will scramble my existing iPod configuration to meet the new lists and album configuration?
Info:
iMac, Mac OS X (10.5.8)
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May 8, 2009
I have a new iMac and an older MacBook. I wanna transfer about 70 gigs of info to the macbook from the iMac. Only problem is the iMac has a newer firewire port and the macbook has an older firewire port. Transferring wirelessly through aim will take way too long. Can I connect through the ethernet ports or maybe usb ports?
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Nov 1, 2010
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Feb 8, 2012
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MacBook (13-inch Early 2008), Mac OS X (10.6.8)
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May 3, 2012
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Mac OS X (10.6.8)
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