New answers tagged

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Yes, it's because the Mac sees multiple bootable disks. Or multiple bootable volumes on the internal drive.


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The SSD is disk0, the internal HDD (which should be disk1 if a Fusion disk is attached) is missing. Instead your recovery volume (loaded from Apple) is disk1. Your internal HDD probably either died or the SATA cable is loose/broken. You have to replace the HDD and/or the cable. The SSD seems to be functional but misses any partition. It already contains a ...


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I think it's time to start thinking about data recovery at this point. Half-performing Time-Machine can mess things up pretty badly (you don't need to be being told this, you're living it). This is most easily done (read: Unless you want to open it, which isn't terrible, but definitely not for a novice) by holding the "T" button on the keyboard while ...


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I finally found the solution. After contacting Anker as well as WD I found out that both, the Hub as well as the harddisk were fine. The cause for the problem was a low quality usb extension cable that was attached to my Macbook. After removing that and directly attaching the hub to the Macbook, everything works fine.


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This isn't a permanent solution, BUT it will let you recover your files. Login to your Admin account Open Terminal Type chmod -R 777 /Users/username/ Go to the directory that your user folders are stored in (/Users/) Retrieve any files needed just using Finder. Delete user account. Or Login to your Admin Account Open System Preferences Click Users &...


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Is it a viable option? Yes. You could do either of your options given that you are using RAID 1. That said, I am not a fan of software based RAID. It consumes CPU cycles that could otherwise be used somewhere else. Given that SSDs are far more reliable than TSM (traditional spinning media), the chances of a drive failure go down significantly. What ...


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I'd just buy a 1TB SSD & be done with it. The speed difference from even a raided HD will take your breath away. Keep the old HD for extra storage/backup.


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Not necessarily. OS X seems to handle well pausing and restarting where the encrypting process left off. However, there is no way I can recommend doing this. I had backups of my data and decided to try it. :) I just wish there was more official information regarding this process.


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Since you have made a full backup, I recommend a full wipe and restore. 120GB plus CoreStorage plus "I had 1TB before" sounds like this is a fusion drive that you have disconnected. Reboot the machine in recovery mode (Command-R at power-on) and open Disk Utility. Very easy from there to reformat the internal drives either separately or as a fusion drive ...


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The 200 GB of your hard drive spaces were partially formatted with NTFS and went unrecognized due to a failed installation. There are couple of options which may work out. First: A fresh install of the OS X after you have backed up the Macintosh HDD. Second, a third party software that can reformat the 200 GB of HDD space to OS X Extended Journaled.


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You can use hdiutil for that. Basically, it does the same as losetup on Linux. If you are planning to work with images with non-standard layouts or filesystems (for example, live CDs), make sure to pass -nomount to hdiutil attach, as otherwise it will complain that it couldn’t mount it (it tries to mount everything by default). After the image is attached, ...


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Try booting in Recovery mode(Cmd +R) and see if it's recognised there. Also check if it's recognised on other computers.


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The partition map is completely valid - the CoreStorage stack is messed up though. After creating a CoreStorage stack (e.g by enabling FileVault) the CoreStorage logical volume group should contain at least one physical volume, one logical volume family and a logical volume. In your case the last two are missing due to CS stack corruption. The output of ...


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MBP early 2011 model w/ SSD, Mavericks OS. Allowing shutdown due to out of battery power, I had this twice, with different fixes: SSD was trashed, un-recoverable. Replaced SSD, restored my backup. Back to normal. I fixed it myself; re: iFixit.com repair manifesto Booting from backup would not complete startup (or appeared not to). Cause: Bad video card. ...


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There are many 3rd party apps available in the market which are beneficial for defragging a Mac based hard drive. Below are the top 3 player in this list (i.e. defragging a Mac hard drive): - 1.Stellar Defrag Drive 2.iDefrag 3.Drive Genius Each of the above mentioned apps defrag the Mac hard drive and also reduce the boot time. As a results, makes it to ...


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I encountered the same problem on my Mac mini late 2012, connecting to AKiTiO Thunder2 PCIe Box with HyperX Predator PCIe Gen 2.0 x4 240GB SSD (SHPM2280P), ruuning Boot Camp Windows 2012 R2. Here are the steps to bypass the problem: Turn off the mac mini, and turn off the thunderbolt drive. Turn on the mac mini, as soon you hear the boot up chime, press ...


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The question mark does not necessarily mean that the drive itself is damaged. It could also just mean that the data stored on the drive is not structured correctly. If you have edited partition tables, moved partitions or changed system files that could happen. There's really no need for you to use Ubuntu to format the drive. It seems to me that you think ...


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Ok, after spending the afternoon looking how to solve this, I found that the easy way was to create a new partition from Windows' side in exFat format. And since the format exFat is modifiable on Mac, unlike NTFS, I can then erase it and then change the format to whichever I want.


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If you don't have view permissions it will report itself as taking zero space to the directory that encloses it. This is especially visible with the "Users" folder. Take another User's folder. Notice how oddly small this folder appears. Yet it is reporting a valid file size, as I have read permissions to the folder. Now look at the contents of this ...


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I use an app called Photos to Disk http://www.photos-to-disk.com/ It's really easy to use and it has automatic folder organization options


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After trying to use freely available tools for so long, I gave up and purchased DiskWarrior. Fixed the thread-count issue on the first pass. It's a shame that this wasn't easily possible with non-commercial tools, but DiskWarrior does it's job extraordinarily well.


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The partition map as well as the diskutil & diskutil cs listings looks completely valid. Explanation: disk0: SSD part of a Fusion disk disk1: HDD part of a Fusion disk disk2: OS X base system (a recovery system mounted from disk1s3 or "downloaded" from Apple via Internet Recovery Mode) disk3: CoreStorage volume on disk0s2 & disk1s2 disk4 - disk16: ...


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I was able to install Windows after doing two things. I'm not positive which one did the trick as I did them both in between an attempt to run bootcamp. These are the things I did in order: Install reFind... doing this added the missing EFI partition that was mentioned I was missing in the comments for this question. Use the reFind partition editor to fix ...


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I would try the following since all basic configs/lists/outputs look fine: boot to Single User Mode /sbin/fsck -fy Display free disk space /bin/df Example: Filesystem 512-blocks Used Available Capacity iused ifree %iused Mounted on /dev/disk2 6066780416 5644868776 421399640 94% 705672595 52674955 93% / Here 94% of the disk ...


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I scanned my drive with DaisyDisk, and as an administrator. (Instructions) I found 187GB in the hidden ".DocumentsRevisons-V100" folder. These are document versions which the OS autosaves (more info). It appears to be from documents primarily from the app Sketch. Here's how I removed the files. Open Terminal Paste defaults write com.apple.finder ...


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This is as close as I can get to an answer. It would appear the transfer rate for the bridge is 150 MBps (1.5 Gbps). This would indicate conformance to the SATA I standard. The drive has a transfer rate of 300 MBps (3 Gbps). This would indicate conformance to the SATA II standard. Even though the connectors appear to be the same, these two standards are ...


-1

Your partition table seems to be hosed: the type of disk0s2 should be: 2: Apple_CoreStorage Macintosh HD 86.5 GB disk0s2 instead of 2: Apple_HFS Macintosh HD 86.5 GB disk0s2 I recommend to backup Macintosh HD with Time Machine immediately. Booted to Internet Recovery Mode erase your disk. ...


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It is because the Linux file system is something that OS X cannot natively read. The easiest thing to do is to is load up a live Linux CD and change the partition to something OS X can read like ExFAT, or MSDOS. Once that change has been made, OS X should be able to see it; allowing you to manipulate the partition. The other option is to load up FUSE for ...


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While in the Finder, go to the "Finder" menu and select "Preferences". Add the name of your MacBook to the Sidebar. Click on the name of your MacBook and drag your hard drive or untitled to the Sidebar.


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Possible solution 1: Instead of following Apple's recommendation of copying the backup in the Finder, you might want to try to use Disk Utility to restore the disk to the new disk (if the new disk is completely empty). Possible solution 2: Follow these instructions to make sure that MAC Address and UUID match. I have successfully used this solution in a ...


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The partition disk2s5 has the wrong partition type. It should be 53746F72-6167-11AA-AA11-00306543ECAC instead of FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF! To solve this boot to Macintosh HD (disk0s2/disk1), open Terminal and enter: to get an overview: diskutil list below I assume the external disk has the disk identifier disk2 sudo gpt -r show /dev/disk2 ...


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TM can only run one backup scheme. You can include the other external drive to backup to the existing TM backup drive or drives along with your Mac HD drive. Or you can back up all drives to the new 1TB drive (or drives if you want to add others). The 500 Gig drives are not big enough to backup all drives too. What you might consider is using CCC or ...


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Had the same problem. Found the SSD connector not made as thick as HDD connector this causes contact problem. Quick fix is to cut two thin pieces of printer paper to use as shims to wedge the contacts together. Make them long enough so you can hold them in place as you insert the cable with the SSD.


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Your command should work if your disk looks something like mine below (note disk1 vs disk2): diskutil list disk1 /dev/disk1 (disk image): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme +1.5 GB disk1 1: Microsoft Basic Data WINSEVEN 1.5 GB ...


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The fact of not mounting a volume from a HDD might related to other issues as hardware problems (talking by self experience). The alternative of spending in third part software is to use a third disk to save data and format the disks again. I think you should use it to save your data and go deep by this steps: Make sure your hardware is ok by testing with ...


2

Time Machine and OS X is tuned to throttle the IO and possibly the CPU usage of the backup task. You can do a few things to modify that behavior - but from the speed benchmark and my experience - a 12 to 48 hour initial backup is not abnormal or indicative of slow backups once you have a few intervals backed up. You could log out and minimize other apps / ...


2

The speed you see there is not unusual. I have seen various USB3 external harddrives vary from about 60 MB/s to about 120 MB/s. These speeds can be expected from ordinary hard drives - you'll to buy an SSD to get much higher speeds. However please keep in mind that these speeds are the bulk transfer speed. I.e. if you transfer only one large file without ...


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The first backup will always take a long time. Possibly even overnight. Then it gets faster because it backups only modified files. I had the same speed with an Airport Time Capsule.


1

You have to edit the partition table and modify the type of disk1s2 (and correct the type of disk1s3) to get your main data partition back and make Boot OS X invisible: Log-in as admin Open Terminal and enter sudo gpt -r show /dev/disk1 to get an overview Unmount disk1: diskutil umountDisk /dev/disk1 Remove partition 2 and 3: sudo gpt remove -i 3 /...


2

The slot is proprietary, and it is not an M.2 or mSATA slot. I have seen no adapters on the market that will allow you to connect an ordinary SATA drive to the proprietary connector. Such an adapter would need to include an amount of electronics, as it is a completely different interface - i.e. it is not just a passive adapter. The only other supplier of ...


2

I have an iMac 27 Late 2012 and I upgraded my SSD. The fusion drive is a misnomer - it's actually two drives. There is an PCIe SSD, probably about 128GB that attached to the logic board, then there's a 3.5" 1TB HDD. Technically, you could upgrade the PCIe blade SSD drive, but after some research, I found it wasn't really economical. All you need is a ...



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