Software :: First Gen Drobo Keeps Unmounting OS X 10.6
Nov 4, 2010
I have used my first generation USB Drobo for a few years with relative success with my G5. I've now upgraded to a Mac Pro with OSX 10.6.4. I have 3 volumes on my desktop drobo 1 is for time machine, drobo 2 and 3 are backup files. I have 7.5 TBs total. Ever since the computer upgrade the Drobo (all 3 volumes) unmount and the warning window opens saying a devise was disconnected improperly. I called Drobo, they say run disc utility to repair any time that happens. So I run repair , 2 and 3 volume repair quickly, Volume 1 can take 16 or 20 hours.
I have went over this many times with Drobo, I ran a diagnostic test and sent to them, they say my drives are fine, they sent me a new power adaptor. I took Drobo home to my G5 and it ran fine for a week, I take it to work and attach it to the Mac Pro and poof, disconnects in less than an hour. Drobo wants me to reformat the machine now (I do have everything backed up on G Techs). Should I bother erasing and starting over with this or use it as an $800 paperweight?
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Feb 2, 2010
I have a Drobo for data backup and storage. Anyway I am looking to connect the Drobo to my Airport Express as an AirDisk. However the Drobo keeps going into 'sleep' mode and I can't access it anymore.
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Sep 28, 2009
I have two new G-Drives attached via FW800. One drive keeps unmounting by itself. All of a sudden, I get a screen that says "The drive has been removed, you should always make sure to eject the drive properly from the etc etc.." First time I have ever had this problem. I have tried the eSATA connection and FW connection with the same result. Regardless on how I connect the drive, linked or direct. It's brand new. Could it be bad?
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Feb 28, 2010
I am running a 2007 Imac. Version 10.5.8. 2.8 GHz Intel Core 2 Duo. 4 GB 667 DDR2 SDRAM and am using my Macintosh HD as my Startup Disk.
I have been starting to have some issues with my external hard drive (500gb Western Digital, connected via USB and power supply).
I've never had a problem with it before, but now it seems that when it "mounts", it stays connected and workable for about 30 seconds and then it unmounts and dissapears and I get a "bad device removal" message.
I don't want to lose anything on the HD so for now I just turned it off. I am planning on using DiskWarrior to attempt to repair it.
If, for instance, it is "fried" and cannot stay mounted, is there any way I can transfer the info onto another HD?
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Jun 20, 2014
I have about 6 external USB drives that are mostly 1TB or 1.5TB. I have been trying to copy files from old ones to new ones but if I plug in more than two they keep unmounting with the message that the drive was not unmounted properly and may now be damaged. I have two so far that are corrupted. I have tried three different powered USB hubs thinking it was lack of power but it made no difference. This problem occurs on my 26" iMac Running Lion and on my new PowerBookPro running Mavericks.
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Feb 21, 2009
Macbook Pro 17" Core 2 Duo 2.33GHz. Following a logic board replacement for a separate issue. I have two external Firewire 800 Hard drives (two separate brands and sizes) which have suddenly started unmounting randomly and giving the 'hardware removal error'. A few seconds after unmounting they mount again, only to unmount a minute later with the error again. It is now doing this in a loop.I have done the following things:
1. rebooted and checked all cable connections
2. I have tried this with the two disks plugged in separately and daisychained.
3. I have tried two separate Firewire 800 cables.
4. running the Disk Utility.
5.installing the system from scratch on a freshly formatted internal disk.
6. reinstalling again with an archive and install.
Everything seems to work fine with a Firewire 400 connection.The only software setting that I changed is to disable the "Put Hard Disks to Sleep when possible" option in the Energy Saver system prefs. Any connection? I have enabled this again and so far (a couple of hours) so good.Should I be looking at a hardware issue
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Jun 8, 2008
I am having problems ejecting/unmounting drives. When I click on the eject button, the drive/disk image disappears from the desktop but stays in the Sidebar but it becomes unselectable. The only way to remove the drive/disk image is to reboot.
MacBook Pro 15.4"
2.5 GHz Intel Core 2 Duo
2 GB 667 MHz DDR2 SDRAM
Mac OS X 10.5.3
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May 26, 2009
I recently moved from a Power Mac G5 to a Mac Pro and in general it has been a smooth transition. One frustration recently however has been using it with my Drobo.
I had two 1.5TB drives in my Drobo with some data. I connected it using FW800 as usual and created a sparse image for my Time machine drive. The Drobo was soon getting full so I added another 1.5TB disk. At first I couldn't get this to be recognised in either bay 3 or 4 - it span up but the green light never came on. I tested the drive in a separate enclosure and found it worked fine. As a last resort I unplugged the Drobo from the power and when it started up the drive was recognised!
The only problem now is I sleep my Mac Pro when not in use and although the Drobo will sleep fine whenever I wake my Mac the drives in the Drobo spin up - the green lights come on and then all the lights go out and it reboots itself. OS X then gives the device removal message as if I had pulled a cable.
I had seen this once or twice on my G5 but figured out it was when the Drobo hadn't been accessed and the drives were spun down - when putting the G5 to sleep the Drobo would start spinning up the drives just as the computer went to sleep. I got around this problem by making sure I accessed the Drobo before choosing sleep so the drives were spinning.
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Oct 1, 2010
do you know if drobo fs works with 10.4.11?
when it first came out it stated it worked with 10.4... now their site has changed to say 10.5 +
I need to update my MBP to 10.5/.6+, but it's still on 10.4.11...
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May 21, 2009
Has anyone had any luck with not using an Internal Hard Drive and using either a Drobo or external drive to run OSX? I was thinking of getting a new HD that runs FW800 or using my Drobo to creat a partition to load Mac OSX on and run the OS from an external HD.
The Reason I am even trying this, is because the Mini uses Laptop drives with less specs then my External Seagate 500GB 7200RPM with 16 MB of Cache, also 3.5" drives seem to run quicker then even the fastest 2.5" drives.
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Jun 26, 2010
First I thought on buying the 4 bay one, but then I found its 2nd generation, so I guess it would be better to buy the newest one, which would be the 5 bay, not the FS one. I've never used a NAS, so I dont know how it works.
Now I'm looking at the Drobo with 8 bay, and I really like it. With that one I wouldnt have storage problems for years, and I download many many things every day: tv shows, movies,, pictures, music, etc
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Sep 11, 2010
I will be shopping for an ethernet-based NAS for my new house in a few months. While I have some knowledge of the Drobo, I was wondering how a Drobo compared to a Synology or comparable brand NAS.
I am looking to use this primarily for Time Machine backups and iTunes storage.
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Aug 29, 2009
I want to upgrade my current NAS (Synology 109j) to something that is expandable and redundant. Last weekend I thought a Drobo with DroboShare would be great! Then I remembered that HP makes a MediaSmart server that runs Windows HomeServer [URL]. Now I'm stuck. I'm not sure which one I should get. What are your thoughts?
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Oct 15, 2009
With a Mac Mini as a HTPC, I am going to add external storage that can be expanded to about 8TB. I don't see myself maxing out 4TB in the near future.
I have looked into Drobo, despite all of the mixed reviews. Some say they love it, some say it is slow and have had problems, and some have said their Drobo died no more than a year in. However, the ease of use and ease of expandability is very tempting. So, if I do not find an alternative I will purchase a Drobo soon.
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Oct 29, 2009
I don't have experience with setting up RAIDs though I've read a lot and don't think it would be too difficult. The Drobo doesn't do eSATA and I really want the fastest possible so OWC Mercury Elite beats it there. Still I've fallen victim to the Drobo gimmick where it seems really easy, does it all for you, but most importantly you can use any size drive and the Drobo does the dirty work. I'm not even sure what this "dirty" work would involve since I always thought when building an array you needed to have drives that are identical in model/make and size. Am I wrong? Can a cheaper OWC Mercury Elite like this be as user friendly as the Drobo? Are there other recommendations?
Barefeats recently reviewed the OWC Mercury Elite here but it doesn't compare it to other setups. In fact it say's in the article it won't provide blazing speeds without dedicated eSATA channels which isn't exactly a positive review. Still it would be faster than a Drobo. Am I missing any other options for the same price or less?
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Feb 7, 2010
Im planning on getting a Drobo S. However, Im torn between getting 5 - 2TB 5400 drives or 5 - 1TB 7200 drives. I plan on using it strictly for data storage and as a capture scratch.
I'll be using it via ESATA but was wondering if I would notice a significant difference between the 5400 and the 7200 and if that difference is worth the loss of space?
Anyone have any idea what drives would be best for use in Drobo S?
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Sep 30, 2009
Does anyone know if partitioning a Drobo is "necessary" if you're planning on using your Drobo as your Time Machine Volume. I called Data Robotics about this and they weren't even able to give me a straight answer. They did tell me that Apple recommends partitioning the Drobo if you're planning on using it as your Time Machine volume, but they weren't sure why this was recommended (strange that they wouldn't know, if you ask me).
Here is my current situation:
I recently purchased a Drobo (4-Bay; Firewire 800) and I plan on filling the Drobo with 4 1TB drives and using it exclusively for Time Machine backups. I have no need whatsoever for storing any additional data on my Drobo other than the data backed up by Time Machine (which would be one reason why someone might want to partition the Drobo... but this is not the case for me).
Here's the thing that makes me believe that it might be "necessary" to partition the Drobo. When I initially formatted the drives and setup my 4x 1TB drives as a single mounted volume (2.7TB of usable storage space), the Drobo Dashboard utility requires that you choose a specify a volume size by picking a size between 1-16TB, and they recommend choosing a volume size that will be large enough to store all of your files for the foreseeable future. See the image below (photo below was taken with my iPhone and uploaded to the web via the cool new DropBox app):
Seeing as how it's a 4-Bay Drive and thought I currently have 4 1TB drives in it, I can't imaging ever putting more than 4 2TB drives in it, and so I've specified a volume size of 8TB for my Drobo. Anyone who has ever used a Drobo knows that in the Finder, this volume is listed as having 8TB of usable storage space available, though in reality you actually have less than that (in my case as I stated earlier, my 4x 1TB drives provide for 2.7TB of usable storage space).
Perhaps the Drobo might need to be formatted so that once the Time Machine backups fill up the 2.7TB of space, that it doesn't inadvertently think that there are 8TB of space available and then it erroneously continues backing up (which would theoretically result in problems). This is just a theory as to why partitioning might be "necessary". Can anyone confirm or deny whether or not partitioning the Drobo volume is "required" if I plan on using the Drobo as my dedicated Time Machine volume?
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Oct 2, 2009
I formatted my Drobo with NTFS and used to use Bootcamp. Now I got rid of Windows and only use my Mac running OSX 10.6. How do I transfer all my data from my Drobo and reformat to HFS? If I reformat to HFS I will lose all my data on the existing drives... I basically want to be able to access and write to the Drobo as I did with Windows before, with the data intact.
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Jul 31, 2010
i have about 4 or 5 external hard drives that i am constantly using for work, (Recording/Mixing Music) and my hobby (Shooting / Editing Video).
i was wondering if there was a cheaper alternative to a Drobo.
For tho's who don't know, a Drobo is kinda like a RAID HD Setup.
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Sep 14, 2010
I originally formated my Drobo to 2TBs which I've now outgrown and need to reformat to avoid having two partitions. That requires that I xfer the data on a Drobo to another HD. Right now I have 1.2TB of data on the Drobo. I'm pretty a 1.5TB drive will be able to handle this, but not 100%. Will it once it's formatted? Next question: is migrating data from a Drobo to an ext. drive as easy as using Carbon Copy Cloner or Super Duper and cloning the Drobo and then using CCC/SD again to send the data back to the Drobo? Do these apps see the Drobo as one drive and Drobo does the rest, as it normally does?
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Jan 2, 2011
Anyone have experience hooking up a Drobo to a Time Capsule or Airport Extreme and how it compares to the Drobo networking device? Don't really want to plunk down $200 for duplicate functionality.
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Feb 13, 2009
my wireless routers network ports are all used up, and i need more ports, is there a hub of some sort that i can get?
the reason is, im thinking of getting a second time capsule.
my first time capsule is being used mainly to transfer files from my macbook to my pc.
and i would like to get a second time capsule to use it mainly for data storage.
is it a good idea to get a second time capsule or just get something that is faster like drobo?
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Aug 13, 2010
My new 27" i7 is supposed to be delivered next week, got the SATA cables for installing my own SSD, but am a bit doubtful as to where placing my Scratch space. So, I will end up with an iMac with two internal drives (SSD + HDD).OS, System Library and Applications go to the internal SSD (120GB).
As I will be using FCS (besides CS package and other smaller programms) I would like to set up a dedicated Scratch drive for it.
Which of the following options would you go for, and why?:
1: install scratch space on the internal HDD together with all the other data (pics, music, videos - space is not the issue with a 2TB drive). Would a partition be advisable in this case, since I heard that partitioning slows a disc down considerably.
2: install scratch space on the internal HDD (scratch only), and all other files (pics/music/video) on an external FW800 HDD.
3: install scratch space on the external FW800 HDD (all other files on the internal HDD like usual).
4: use an external RAID backup as scratch space as well (something like the Drobo) with a FW800 connection.
I was looking for feedback on using the Drobo not only as a backup, but also as a scratch - some people found it great working, others not so much...I'd like to find out, if that has to do with the FW800 bottleneck, or if a Drobo scratch is even slower than an external FW800 HDD would be. I know that eSata would be faster, but that is currently out of reach (besides the OWC mod.).
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Dec 20, 2009
Sometimes I like to eject the drobo from the mac pro, is there any to reconnect the drobo without reaching in the back to pull out and plug back in the firewire cable?
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Dec 4, 2010
I currently have external storage devices by DataRobotics - 2 DroboPro and 1 DroboElite. I bought the new MacPro 2 months ago and have been having problems with the Drobo devices disconnecting constantly. After a lot of diagnostics including Apple replacing the logic board in my MacPro, it was identified that the issue was with the iSCSI initiator that DataRobotics uses. It is not 64bit kernal compatible and as a result, the drives disconnect randomly especially when moving data from one external drive to the other. I am forced to boot the MacPro in 32bit kernel mode for the drives to work properly. DataRobotics is not committing to fixing the 64bit kernel issue so I'm now looking to replace this technology.
I found some interesting technology by Netgear and was considering buying their product, however, I had the worst experience ever with dealing with pre-sales & technical support department, after dealing with 4 different individuals, I concluded that they have no clue about their own products, the staff is so junior, it's as if I called a completely different company when talking about their own product. I am therefore going to stay away from that company.
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