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Cannot Open Device Disk0

At other times, the drive may simply be experiencing some partition table troubles or be used in ways that prevents Disk Utility from modifying the tables.If when attempting to repartition a Plug-and-play. Contact Gossamer Threads Web Applications & Managed Hosting Powered by Gossamer Threads Inc. But after eight minutes, it started again. http://scriptkeeper.net/cannot-open/cannot-open-exchanger-control-device-device-type-mismatch-data-protector.html

On 4/22/2013 12:40 PM, "Rolf Hanßen" wrote: > Hello, > > after 2 afternoons of trial and error I now got it running. > I replaced the memory modules (RP and The TFTP server must be accessible from this interface. Perhaps typing insults is the limit of your skill set and actually using a complex process like this one is beyond even your imagination. This is what I get when I try to partition it with Disk Utility: Partition failed
 Partition failed with the error: 
Couldn’t unmount disk. http://www.cisco.com/c/en/us/support/docs/field-notices/100/fn17094.html

Reply ↓ MARLON February 16, 2015 at 6:55 pm Hi! If I run Disk Utility repair for the drive, I get: Alert Some information was unavailable during an internal lookup. Anymore suggestions? I'd have to look it up to confirm, but at some point during the production of the MSFC3, Cisco changed RAM types it uses.

Sometimes secondary tools and approaches can at least modify the partition table enough to allow Disk Utility to overcome its hangup and work properly.There are a number of third-party tools out Initialize the area to default valuesCat6k-Sup720/SP processor with 1048576 Kbytes of main memoryAutoboot: failed, BOOT string is emptyAutoboot executing command: "boot "device does not contain a valid magic numberboot: cannot open I suggest you need to know whether it's the new drive that's faulty or the motherboard on your computer before returning the drive for a replacement. Home Skip to content Skip to footer Worldwide [change] Log In Account Register My Cisco Cisco.com Worldwide Home Products & Services (menu) Support (menu) How to Buy (menu) Training & Events

And then (in all subsequent trials): Partition failed 
Partition failed with the error:
 Disk object invalid or unable to serialize. I then go to what seems to be the "Last Resort" on your pages, open Terminal, go to diskutil list, find the disk (disk1), use "cat /dev/random > /dev/disk1". In any case, you never get a second chance to make a good first impression—which is to say, you blew it. have a peek at this web-site Yay Cisco! -- Brielle Bruns The Summit Open Source Development Group http://www.sosdg.org / http://www.ahbl.org _______________________________________________ cisco-nsp mailing list cisco-nsp [at] puck https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/ nsp at rhanssen Jun18,2013,3:37AM Post #6 of 6

Both were WD. Reply ↓ Topher Kessler Post authorApril 7, 2014 at 7:01 pm This command should overwrite the partition table, but if the drive is working then the system should be able to Reply ↓ Khanh February 9, 2016 at 7:11 pm Thank you, I was able to successfully reformat a SSD with your advice. Few seconds after telling me to load the IOS it hangs: ------------------------------------ System Bootstrap, Version 8.5(3) Copyright (c) 1994-2008 by cisco Systems, Inc.

Reply ↓ Parshwa March 3, 2015 at 5:22 am Hi Topher, Thank you for writing this article. https://discussions.apple.com/thread/2130966?start=75&tstart=0 How long should I leave the command running? An then such last error message for all consecutive trials. The current version comes on a thumb drive with a utility that will put it on another thumb drive with your current base system.

The issue is that most flash cards come with the partition table already created and already formatted. http://scriptkeeper.net/cannot-open/cannot-open-exchanger-control-device-16-device-busy.html Reply ↓ PARUSA December 22, 2014 at 12:08 am Hi, with this fix? Problem Symptoms An ESR system comes up in ROMMON if it is booted with a PRE that is still configured as a spare. Because the PRE was shipped as a spare, the PRE was not installed in a chassis or loaded with an image prior to shipping.

Also, if you could format a flash drive with the newer NTSF format, if would not work on a Mac without additional software. kind regards Rolf _______________________________________________ cisco-nsp mailing list cisco-nsp [at] puck https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/ nsp at rhanssen Apr22,2013,9:40AM Post #2 of 6 (4136 views) Permalink Re: Sup720 hanging after rommon starts loading IOS A small, bus-powered external drive did not do the harm. http://scriptkeeper.net/cannot-open/vxvm-vxiod-error-v-5-1-1526-cannot-open-vol-iod-device-no-such-device-or-address.html I get "cat /dev/random > /dev/disk0" to run successfully and the disk appears fine in Disk Utility, but the partitioning using Disk Utility stucks at 50% and if I reboot the

so please bare with me… but yeah, i've got a bad block on a 128 gb toshiba ssd, ( which i think may have been caused by the knucklehead who sold Post them below or e-mail us! After clicking Apply, I got: Partition failed Partition failed with the error: Couldn’t unmount disk.

Since I cannot repair it (Disk Utility, DiskWarrior, TechTool Pro, DiskTools Pro & SpeedTools Utilities Pro, and Drive Genius on Mac with OS X 10.9.2 Mavericks), I just want to format

Reply ↓ B. I formated my HDD from hfs to fat. Jefferson Le Blanc June 18, 2016 at 9:37 am It appears that your system caches got corrupted at some point. I sure would appreciate any help someone may have.

These devices include disks, consoles, terminals, and standard input and output, among others (click for larger view). Assuming the drive is just experiencing major low-level corruption, the problem you face now is how to format a drive that apparently cannot be formatted on your Mac? You did find some interesting facts, however. his comment is here Jefferson Le Blanc June 19, 2016 at 11:31 am Hi Lloyd: Typos are par for the course. 😉 I've used DiskWarrior for a long time, too.

So, no data is shown for the controller. Gracias!!! I needed to boot into some older image, format the CF card in disk0 of the Sup720. I got the same last error when afterwards selecting Options as Apple Partition Map, as well as Master Boot Record.

These are more expensive solutions and their use will depend on the intrinsic value of the data, the budget available for a backup solution - and one's inherent paranoia or the Be sure to check us out on Twitter and the CNET Mac forums.Tags: Computers Discuss: Tackle stubborn disk partitioning in OS XConversation powered by LivefyreShow CommentsHide CommentsFeatured VideoSamsung's 'Bixby' assistant may have Reply ↓ Andrew January 3, 2015 at 4:41 pm Thanks Well done have used this twice Reply ↓ Cristian  (@ccontreras) January 4, 2015 at 8:23 am Hi , I am I replaced the memory modules (RP and SP Ram, not the flash) and could boot from the 64MB flash modules then.

If your computer is failing no replacement drive is likely to work. Thanks for listening. I have been using WD My Book Essential (3TB) as time machine.