Tagged with disk - Personal View Talks

Disk Warrior

andyharris — Sun, 22 Sep 2013 13:47:58 +0000

Yesterday morning I noticed that my Mac had mounted by 12TB Raid drive twice. At the time I merely thought 'That's odd' Yesterday evening my Mac didn't mount mount the 12TB Raid (its some 8GB) full.

Disk Utility would see the drive and the partition (greyed out). It couldn't verify or repair the partition. fsck was having none of it either. It took all night for the Raid device to verify itself, and it claimed all the bytes were in the correct place and there were no disk errors.

My strategy of having a Raid6 device with 6 drives (double stripe and parity) for security was looking rather weak.

After a bit of googling, foruming and $112 dollars I downloaded Disk Warrior. 10 minutes later and all is good.

Fixing a Damaged Disk Image from SD Card

willianaleman — Fri, 09 Nov 2012 14:20:23 +0000

In the Mac OS operating system, I have a disk image created from a SandDisk SD card, with a 9 GB GH2 footage content. The disk image can not be opened. The operating system displays the following warning when attempting to open it: "The disk image you are opening may be damaged and could damage your system. No mountable file systems. Are you sure you want to open this disk image?" The options are, Open, Don't open. Of course I haven't opened it.

This is the first time this happened to me. I have tried Disk Utility to fix it without success. Has someone had a similar experience or have a recommended application to fix the disk image?

Thanks in advance!

HDD issues and repair topic

inqb8tr — Sat, 08 Sep 2012 06:14:29 +0000

Yesterday I have copied footage from cards on a hard drive, and while watching clips, i noticed some kind of glitches and drops appearing. I realized that it happens only with footage copied to one particular hard drive - 1-2 months old 2TB seagate ST2000DM001. When I copied files from same cards onto another hdd everything was ok. When I copied files (with drops) from seagate to another drive, and played them from the healthy drive - footage was damaged, video glitches like half frame drop, something like that, in movist it is like bright green blocks, in other players and Premiere they are just transparent half frame drops, similar to damaged beta tape, if anyone remembers that. Some files don't have glitches but when I copy them on the same drive but to another folder, they get damaged. This happens with MTS files and also after transcoding to Prores422 HQ. Luckily I always backup new jobs immediately, but I have some other projects on that drive.

Is that hdd dying? I didn't know that dying hdd can damage video files internally.

Large GPT disks

Jspatz — Fri, 27 Apr 2012 14:11:04 +0000

I just installed a 3TB WD drive for my nightly backups. I saw the option to convert to GPT disk which would allow me a volume larger than 2TB. After formatting, I tested with Blackmagic disk test and found it to be as fast or faster than my g-raid, about 125MBS both read and right, much faster than I have ever gotten from a single disk before. I may use this for my Video drive, and something else for backup.