Recommendations for external hd for Time Machine backups

After having my 1TB G-Tech G-Drive Q desktop external h.d. crap out on me for a second or third time, this time for good, I give up on G-Tech. (I also had a faulty 500GB G-Tech portable which had to be replaced.)
For many reasons, my iMac's Time Machine backups have to be stored on an external hard drive. Two or three times, the external h.d. has become corrupted or something and has had to be reformatted, losing all the previous backups and starting all over again. This time, since the external h.d. is toast, I have no backups at all.
My MAIN question: Do any of you have a recommendation for an external hard drive - probably desktop, but not necessarily - preferably 1TB - which is RELIABLE?
Is this h.d. corruption/repeated failure a function of Time Machine? The hard drive itself?
What good is Time Machine if we lose backups all the time?

limerick2010 wrote:
Sorry to butt in, but I'm on the lookout for a solution to make a secondary, offsite back-up of my company's data. I was also looking at the usage of external hard disk for the purpose but am stumbling at a very basic question.
If the first disk(say 1TB) runs out of space and I connect a new hard-disk, wouldn't Time Machine back up all the stuff previously backed up, all over again on the new disk?
Exactly. Bt you're talking about two very different things: secondary backups vs. not enough room for primary backups.
The whole point of secondary backups is having a second, separate set, so if something happens to the primary set (lost, corrupted, disk fails, etc.), you have another complete set. As noted in the link in my previous post, it's also a good idea to use a different app for the secondary set, in case there's a problem with the primary app.
If your Time Machine disk gets full, you have three choices:
Let Time Machine start deleting old backup(s) automatically, to make room for new ones. You don't need to keep them forever -- a few months should be plenty for most users.
Get a new disk and start backing-up to it. Keep the old one "on the shelf" until you're sure you don't need the old backups any longer. You can always view and restore from them via the +*Browse ...+* option, per #17 in Time Machine - Frequently Asked Questions (or use the link in *User Tips* at the top of this forum).
Get a larger disk, copy the old backups to it, and continue backing-up to the new one. See #18 in the FAQ.

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    Thu Aug  9 23:58:29 2012
    panic(cpu 6 caller 0xffffff80002c4794): Kernel trap at 0xffffff80003c0da3, type 14=page fault, registers:
    CR0: 0x000000008001003b, CR2: 0x0000000000000130, CR3: 0x0000000000100000, CR4: 0x00000000001606e0
    RAX: 0x0000000000000000, RBX: 0xffffff80ebcc0500, RCX: 0x000000000000000a, RDX: 0x0000000000004000
    RSP: 0xffffff80f3bebd60, RBP: 0xffffff80f3bebef0, RSI: 0xffffff80008cd400, RDI: 0xffffff80ebcc0500
    R8:  0xffffff80ebcce29c, R9:  0xffffff80f3bebc50, R10: 0xffffff80f1b73cb8, R11: 0x00000000001c3b08
    R12: 0xffffff80ebcce200, R13: 0xffffff80ea22d000, R14: 0xffffff80ebca2400, R15: 0xffffff8013e85388
    RFL: 0x0000000000010207, RIP: 0xffffff80003c0da3, CS:  0x0000000000000008, SS:  0x0000000000000010
    CR2: 0x0000000000000130, Error code: 0x0000000000000000, Faulting CPU: 0x6
    Backtrace (CPU 6), Frame : Return Address
    0xffffff80f3beba10 : 0xffffff8000220792
    0xffffff80f3beba90 : 0xffffff80002c4794
    0xffffff80f3bebc40 : 0xffffff80002da55d
    0xffffff80f3bebc60 : 0xffffff80003c0da3
    0xffffff80f3bebef0 : 0xffffff80003c269d
    0xffffff80f3bebf10 : 0xffffff800036523f
    0xffffff80f3bebf60 : 0xffffff8000343c9b
    0xffffff80f3bebfb0 : 0xffffff8000820057
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    11E2620
    Kernel version:
    Darwin Kernel Version 11.4.2: Wed May 30 20:13:51 PDT 2012; root:xnu-1699.31.2~1/RELEASE_X86_64
    Kernel UUID: 25EC645A-8793-3201-8D0A-23EA280EC755
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    System uptime in nanoseconds: 824267354982
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    last unloaded kext at 195930890039: com.lacie.driver.LaCie_RemoteComms          1.0.1 (addr 0xffffff7f807df000, size 8192)
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    Model: MacBookPro10,1, BootROM MBP101.00EE.B00, 4 processors, Intel Core i7, 2.6 GHz, 8 GB, SMC 2.3f32
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    Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533642465238432D50422020
    Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533642465238432D50422020
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xEF), Broadcom BCM43xx 1.0 (5.106.198.19.21)
    Bluetooth: Version 4.0.7f2, 2 service, 18 devices, 1 incoming serial ports
    Network Service: Thunderbolt Ethernet, Ethernet, en4
    Network Service: Wi-Fi, AirPort, en0
    PCI Card: Apple 57762-A0, sppci_ethernet, Thunderbolt@104,0,0
    Serial ATA Device: APPLE SSD SM512E, 500.28 GB
    USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1a100000 / 2
    USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3
    USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1d100000 / 2
    USB Device: hub_device, 0x0424  (SMSC), 0x2512, 0x1d180000 / 3
    USB Device: BRCM20702 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x1d181000 / 5
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8286, 0x1d181300 / 7
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0262, 0x1d182000 / 4

    Any or all of the following third-party system modifications may be contributing to your problem:
    LaCie drive software
    VirusBarrier
    I suggest you uninstall them according to the developers' instructions, reboot, and see whether there's any improvement. If there is, you can experiment with putting them back, one at a time, to identify which one is at fault. "VirusBarrier" is harmful and should not be reinstalled in any case.
    If there's no improvement after making the suggested changes, post again.

  • I am really hating Apple right now. Where is my Time Machine backup?

    OK, kinda a long story. Pardon the ranting, but if feels like everything is going wrong and I'm getting pretty tired of it.
    I was going along nicely with my Mac. Then I had a time-sensitive iMovie project that was going totallly screwy. I ended up buying Lion hoping that would fix the problem. It didn't spent several more hours trolling forums and figured out it was a weird problem with the software.
    So... then I was stuck with Lion. Photoshop, Dreamweaver, Rosetta Stone, etc. don't work on it. Not cool. Would have been nice if I was warned before doing this. So, I figured I'd go back in my Time Machine backup. However, I was really busy and didn't get to it until a few weeks later. I'd never actually used Time Machine, but when I went into it I was astonished to find that it backed up on the hour, filling up the external hard drive so it only kept backups for a few weeks. And of course, it was too late to backup to my old OS. So not cool. Who in the world needs an hourly backup??? I'd much prefer a weekly backup a little further back. That's just absurd.
    So, anyway, I had the old Time Machine backup. I figured if I messed up, I could always restore to the recent Lion backup. So, I restored to Snow Leopard from the disk, wiping the hard drive. Then, I tried to go in and get my files off of the external hard drive/Time Machine backup. It didn't recognize I even had an external hard drive plugged in.
    So... I decided to go back to Lion, maybe I needed to be in Lion to access the Lion backup. Spent hours putting Lion back on. And... still doesn't even recognize that there's an external hard drive plugged in. What gives?
    I've been trying to think of what all could be the problem here. Did I just think I was backing up to the external hard drive this whole time, when really I was backing up to the computer? No, because it would send me reminders when the external hard drive wasn't plugged in. Is the cord or something broken to the external hard drive? I suppose it's possible, but just a few hours before I saw the Time Machine backups... And there is power to it.
    Please help! I don't know how all my data was lost!

    OK, solved my own problem, but am posting here in case someone else has the same problem. It totally does not make sense, especially considering that it stopped after I reinstalled Lion, but the good thing is I have my files back.
    I scoured the web and found a lot of other people are having the same problem. Most of them didn't have a clue how to fix it. This discussion was the most helpful to me: https://discussions.apple.com/thread/2569766?start=30&tstart=90
    So, I went to the WD page and followed the instructions. The first suggestion was to plug it directly into a wall, because it may not be getting enough power from a power cord. I did this and it fixed the problem. Who would have guessed?
    Anyway, if anyone else is having this problem, go to your manufacturer's website for help. Here's WD's help: http://wdc.custhelp.com/app/answers/detail/a_id/1164/related/1/session/L2F2LzEvd GltZS8xMzI2MzIzMjUwL3NpZC82dmo0blZOaw%3D%3D

  • Does Time Machine backup items on the time machine disk?

    If I designate disk B as my Time Machine disk, are items on disk B, that aren't part of what Time Machine puts there, backed up?  In other words, can I use a disk for both storage and Time Machine backups and have those stored items backed up too?

    If you intend to use disk B as both a Time Machine Backup Disk and a Data disk to hold your files, the only way to do that would be to partion the Disk B volume.
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    When an external is connected to a mac, the computer sees that Hard Drive as a Volume. Paritioning the volume is the ability to "Split" the volume in more parts that are limited by size. Time Machine will use the entire partition of a volume if the whole volume is used as a single partition. If you use the right tools and "Split" the external hard drive in smaller logical volumes then you can comfortably use the external hard drive for both your Time Machine Backups and your Data that you want to carry on an external drive.
    The easiest way to partition a volume in more the one partition or logical volumes is to use the Disk Utility application that comes with every mac. Use the Finder to go to your Utilities folder and open Disk Utility, or search for it in Spotlight.  Whit Disk Utility you can select your external Hard Drive and either change the partition to add a second one or erase all data on the existing external hard drive and create 2 Partitions that you can adjust in size. Remember Make sure you understand that if you choose to erase the existing external drive to make room for a new partition , that all data present on the external drive will be deleted.
    Now that you have your two new partitions you can assign one to Time Machine and use the second one for Data. And with Time Machine Options you will be able to exclude or include your new external data partition to backup to your new Time Machine Backup Partition !

  • Time Machine backups still on drive, no longer in Time Machine

    I have two computers backed up to the same drive, and I cannot backup Mac#2 because the backups of Mac#1 are taking up too much space.
    On Mac#1, I went into Time Machine and used the Delete Backup option on several of the oldest backups. I ran into one problem (a bug, actually) in the process, which is that after you've done the first Delete Backup, when you do the second, the "Are you sure you want to permanently remove..." dialog box does not appear, and you have to just hit the Return key on your keyboard to proceed.
    The second problem came when I saw no indication of any kind that the backups I was removing were really being deleted. So I exited Time Machine, and found a small window in my Finder showing progress bars for the processes of removing the backups — there were several of the progress bars, all of them "barber poling." I didn't realize how long the deletion of each backup would take, so assuming there was some kind of problem, I stopped progress on all of them, and went back into Time Machine to see if I did them one at a time, waiting in between, if that would help.
    Once back in Time Machine, the backups I'd previously tried to delete no longer appeared, but when I go in the Finder to the externa drive's Time Machine Backups > Backups.backupdb > My MacBook Pro, the folders for those dates are still there.
    Now, I suspect it would be a bad idea to remove these folders manually from within the Finder. But if I can't remove them via the Finder, and those dates no longer appear in Time Machine, how do I get rid of them?
    Erasing and partitioning the drive are not an option at this point because there are other things on the drive, not just the Time Machine backups.

    Never found a solution to this. I ended up buying a second external because I needed more room anyway, and partitioning it before using it for Time Machine.
    If you don't think you'd need anything but the most recent backup, you could always reformat the drive, partition, then turn each partition into a separate Time Machine, one for each computer.

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