![]() My TimeMachine drive was officially back from the dead. First thing the next morning, I checked my MacBook Pro: Error code 2154.Īnother quick search on Bing (yes, Google, see what you’ve driven me to?) found this discussion on the Apple forums where it seems pretty clear that this is a common issue with DiskWarrior and TimeMachine disks, and there is no workaround.Īgain, not willing to give up so easily, I ran Disk Utility again and it appeared to now be getting past the point in the repair process it was getting stuck on before!Īt this point, I was exhausted and it was way past my bedtime, so I let it run overnight. Restart from the DiskWarrior disc and try rebuilding again. ![]() The Directory of the disk cannot be rebuilt. This time, DiskWarrior got a little further along in the repair - no “hardware failure” - but it stopped short again with this error: Paul Gardner-Stephen discovered that DiskWarrior will give this and similar “hardware failure” errors if the disk is simply “busy”! Sure enough, a “ps -ef | grep fsck_hfs” revealed the process that was keeping my Time Machine disk busy, so I killed it and tried DiskWarrior again. Not willing to give up just yet, I dug a little deeper and found this page where Dr. It first reported that the drive had a hardware failure:ĭirectory cannot be rebuilt due to disk hardware failure (- 36, 2541). Ultimately, DiskWarrior could NOT fix the drive - at least not completely. If the demo would have worked, I would have bought it in a heartbeat to be ready for the next time. I know this is outside the license terms, but DiskWarrior really needs a “try before you buy” or demo version. So, I borrowed a friends copy to evaluate it. I didn’t want to drop $100 to find out whether or not DiskWarrior would work on my drive or not, though. Apparently, Time Machine does some pretty oddball stuff with the filesystem that makes it both fragile and difficult to repair, yet somehow more efficient. DiskWarrior is a time-tested hard drive repair utility, but I’d been reading that even it often can’t repair Time Machine volumes. ![]() Disk Utility chugged away on it for an hour or so and then said something like: OK, no big deal still, just run Disk Utility to repair it. After a 5 second reboot (gotta love these SSD Macs), my Time Machine disk wasn’t mounting, though. The simple fix is to just reboot the Mac, so I that’s what I did. Dynasty Warriors may be the oldest and most famous of the Warriors franchises, but Samurai Warriors is no slouch, either. I’d seen this before, and it’s no big deal. To select a different volume, open System A few days ago, my MacBook Pro welcomed me with this message:
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