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  • How to list my harddrives in OpenSolaris?

    - by Sanoj
    I have a machine with two harddrives. I have installed OpenSolaris on one of them and now I want to add the other one as a mirror-drive in my zpool. But to do that I have to know the name of my drive, something like c7d0s0. Using the command zpool status can I see the harddrives already in use in my zpool but not the hard-drives that are not in use. How can I list the names of the hard-drives that are not in use in any zpool or list the name of all my hard-drives?

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  • eSATA hotswap using Jmicron JMB363 controller

    - by Stephen
    I have tried both IDE and AHCI modes in the BIOS. Also tried many different driver revisions. I can't seem to hot swap an external SATA drive. I can use the wizard to safely remove it, but reconnecting doesn't do anything unless I reboot. I use a thermaltake dock, and I would like to swap in my backup drive sometimes to do images (they take all day over USB). I can reboot, but I'd like to use hot swap. The controller is a Jmicron JMB363. I'm using the latest BIOS on my motherboard, as well.

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  • OSX: cant create a partition because drive is locked

    - by Alain
    Problem: I have a USB key with Mountain Lion on it and I want to install it on my macbook pro. I deleted the existing partition on the laptop and wanted to created a new one were to install the OS but cant because everything in the partition tab for the drive is grayed out. Basically, I can't do anything until I unlock the partition So the question is: how to unlock a partition from disk utility or the command line.

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  • External hard drive becomes unwriteable after awhile

    - by Brandon
    I have an external USB hard drive mounted in Ubuntu 9.10 with full read/write abilities over SMB. If it stays on for awhile though, I lose the ability to write to it. I end up having to ssh in and unmount, mount, reboot in order to have write ability again. Any reason on what might be causing this and how to fix it?

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  • Why are they putting "processors" on hard drives?

    - by Celeritas
    What does it mean when they have a processor on the hard drive, how does it work, and what benfit does it have? I don't understand - the CPU is the processor and the hard drive transfers it's contents to RAM. Do have additional processors, preprocess the data some how? Here's some examples Western Digital WD Black WD1002FAEX 1TB "Dual processor speed" NETGEAR ReadyNAS 312 2-Bay Diskless Network Attached Storage "Dual-core Intel 2.1GHz processor and 2GB on-board memory" and routers now have processors too, why's that nescecary? I guess it sort of makes sense - some logic needs to happen for the packets to be read in to know which ports to send them out on, but why did old routers not need them? Example or wireless router with processor: "Dual-core processor"

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  • Windows Updates Folders (With Strange Names) in C drive

    - by Kanini
    I have a Windows XP Professional SP 3. In my C drive, I have a lot of folders which I do not know why they exist. Sample these names - 1da9de11ed14f5da3b6ace4e25f5 a0332ef3abcaf03e49 What are they? Why are they created? Can I delete them? And no, "Windows XP is an old system. You need to skip, hop and jump to Windows 7" is not a valid answer. :-)

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  • Gigabyte GA-P55A-UD4P won't boot from USB drive with RAID enabled

    - by Daniel Schaffer
    I've got a Windows 7 installation image on my USB hard drive, which is set up to be bootable. I know it works because I've used it on several computers, and it works on the computer I'm trying to install as long as the RAID controller is disabled. However, when I enable the RAID controller and attempt to boot from the USB driver, it hangs for 30-60 seconds and then gives me the "disk boot failure, insert system disk" error like it can't find any OS. Just for laughs, I disabled the RAID controller again and it booted fine. I'm having separate, unrelated issues burning a dvd with the ISO, so I would prefer to get this working.

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  • windows PATH not working for network drive

    - by Brendan Abel
    I'm using an autorun.bat to append some directory paths to the Windows PATH variable so that I can use a few tools and bat scripts within cmd.exe I'm running into a problem where the above isn't working on a network drive. Ex. Using a program called mycmd.exe Ex.1 (this works) C:\folder\mycmd.exe SET PATH=%PATH%;C:\folder Ex. 2 (doesn't work) H:\folder\mycmd.exe SET PATH=%PATH%;H:\folder

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  • How to convert or burn a .DMG image file on Windows?

    - by Nick Josevski
    Does anyone have software they use frequently and can recommend to burn a mac created .DMG file on a windows operating system? Ideally free, or at least reasonably priced. Or an alternative application convert it to .ISO or something equivalent. I'm looking for reassurance I won't be wasting several (more expensive than normal DVDs) dual layer DVDs to get this done right. As the .DMG file is 7gig.

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  • Directly reading a LTO tape drive

    - by John
    On our server (M$ 2003) is it possible to directly read our LTO 4 tape drive and copy the entire ntbackup created bkf file on it to an external hard disk? (Is the tape backup even stored on a tape as a bkf file, I’m going off when we only used external usb HD’s.)

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  • How can access files on shared drive from Windows 2008 server configured with SFTP

    - by communicator
    I have installed OpenSSH on my windows 2008 server by following the user guide here . Now I have some files on windows network share with UNC path as \\corp\test\testdata I want map this file system on network share to my windows 2008 server which is configred with SFTP so that I can access these files from my Java Program by doing SFTP to windows 2008 server.Is there anyway I can map the network share to C or other drive in server so that all the files on the share will be available as local files on the server?

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  • Running a Check-Disk (Is it dangerous)

    - by vaccano
    I have a lap top that a friend of mine would like me to fix. It is giving a blue screen on boot up. When I looked up the error message it indicates that I should run a check disk. Is this dangerous? Should I try to off load stuff from the hard drive first? I ask because I had a hard drive of my own that when I ran check disk it wiped a bunch of "bad sectors" and I lost most of the info on it (but it had been going bad). Opinions?

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  • What's the easiest way to migrate one Mac OSX volume to another

    - by teabot
    I want to move a volume from a smaller drive to a larger unformatted one. What is the best way to achieve this? Ideally I'd like the new volume to have the same name as the older volume as it contains user accounts, and is a destination of various symlinks that I have on other volumes. Update: I used Carbon Copy Cloner in the end and it worked perfectly. I was able to simply rename the new volume in Finder to the same name as the old volume and then powered down and removed the old drive on which the volume lived. When I restarted, the new volume seamlessly worked in place of the old volume.

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  • How useful is hard drive encryption?

    - by D Connors
    So, let's say you have a notebook, and you encrypt the entire hard drive. Whenever you boot it's gonna ask for a password, meaning nobody can access your data without the password. On the other hand, what if your notebook got stolen whilst it was in sleep mode? Is there any protection that the encryption can offer? Thanks

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  • Can someone explain RAID-0 in plain English?

    - by Edward Tanguay
    I've heard about and read about RAID throughout the years and understand it theoretically as a way to help e.g. server PCs reduce the chance of data loss, but now I am buying a new PC which I want to be as fast as possible and have learned that having two drives can considerably increase the perceived performance of your machine. In the question Recommendations for hard drive performance boost, the author says he is going to RAID-0 two 7200 RPM drives together. What does this mean in practical terms for me with Windows 7 installed, e.g. can I buy two drives, go into the device manager and "raid-0 them together"? I am not a network administrator or a hardware guy, I'm just a developer who is going to have a computer store build me a super fast machine next week. I can read the wikipedia page on RAID but it is just way too many trees and not enough forest to help me build a faster PC: RAID-0: "Striped set without parity" or "Striping". Provides improved performance and additional storage but no redundancy or fault tolerance. Because there is no redundancy, this level is not actually a Redundant Array of Inexpensive Disks, i.e. not true RAID. However, because of the similarities to RAID (especially the need for a controller to distribute data across multiple disks), simple strip sets are normally referred to as RAID 0. Any disk failure destroys the array, which has greater consequences with more disks in the array (at a minimum, catastrophic data loss is twice as severe compared to single drives without RAID). A single disk failure destroys the entire array because when data is written to a RAID 0 drive, the data is broken into fragments. The number of fragments is dictated by the number of disks in the array. The fragments are written to their respective disks simultaneously on the same sector. This allows smaller sections of the entire chunk of data to be read off the drive in parallel, increasing bandwidth. RAID 0 does not implement error checking so any error is unrecoverable. More disks in the array means higher bandwidth, but greater risk of data loss. So in plain English, how can "RAID-0" help me build a faster Windows-7 PC that I am going to order next week?

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  • Idle hard disk makes noise.

    - by ULTRA_POROV
    Like a fan or something. I checked it. I stopped all fans (cpu, video, psu) and the noise was still there. I read online that it might be a motor or something. I have put a great deal of effort making my pc quiet. Installed a quiet psu and cpu fan, reduced the fan speed of my video card, bought a ssd... But my drive for data makes this noise. I would never have expected that. Do all hard disks make this kind of noise? I guess most people won't notice it because of the other fans they have in the system, I however can hear it quite clearly because all my other fans are almost silent. So should i get a new one or should i just live with it, considering that i might end up with a drive that also makes this noise.

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  • External hard drive FAT32 to NTFS conversion fails

    - by Pieter
    I'm trying to convert the FAT32 file system of an external hard drive to NTFS. Here's what happened: C:\Windows\system32>chkdsk G: The type of the file system is FAT32. Volume PIETEREXT created 3/19/2008 12:43 Volume Serial Number is 1806-2E30 Windows is verifying files and folders... File and folder verification is complete. Windows has scanned the file system and found no problems. No further action is required. 488,264,768 KB total disk space. 72,192 KB in 1,503 hidden files. 1,281,792 KB in 40,029 folders. 309,235,168 KB in 199,915 files. 177,675,584 KB are available. 32,768 bytes in each allocation unit. 15,258,274 total allocation units on disk. 5,552,362 allocation units available on disk. C:\Windows\system32>cd \ C:\>convert g: /fs:ntfs The type of the file system is FAT32. Enter current volume label for drive G: PIETEREXT Volume PIETEREXT created 3/19/2008 12:43 Volume Serial Number is 1806-2E30 Windows is verifying files and folders... File and folder verification is complete. Windows has scanned the file system and found no problems. No further action is required. 488,264,768 KB total disk space. 72,192 KB in 1,503 hidden files. 1,281,792 KB in 40,029 folders. 309,235,168 KB in 199,915 files. 177,675,584 KB are available. 32,768 bytes in each allocation unit. 15,258,274 total allocation units on disk. 5,552,362 allocation units available on disk. Determining disk space required for file system conversion... Total disk space: 488384001 KB Free space on volume: 177675584 KB Space required for conversion: 975155 KB Converting file system The conversion failed. G: was not converted to NTFS I looked at the TechNet page for my error, but after closing every app the conversion was still failing halfway through. Why does it keep failing? I kept an eye on Task Manager but it didn't look like my system resources were near depletion. I'm using Windows 8.

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  • How do I mount a HFS+ dd image in OSX?

    - by Paul McMillan
    I had an HFS+ formatted drive that was going bad and wouldn't mount at all on OSX. I created an image using ddrescue on linux, and was able to save most of it. I can mount the drive and see the data just fine in linux using this: mount -o loop -t hfsplus dd_image /Volumes/mountpoint This doesn't work on my OSX system since hfsplus isn't a valid filesystem type. If I try: mount -t hfs image mountpoint It complains that it needs a block device. What's the fix here?

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  • Merging free space of hard drive to primary partition

    - by Dibya Ranjan
    I have purchased a new HDD, I tried to format making 1 primary partition, I converted the rest unallocated space to extended partition then to logical drive now I have 3 logical drives. I feel that the size allocated to the primary partition is less so I used shrink option to the 3 logical partitions in diskmgmt but each partition is resulting in one memory block of Free space. Now I want to merge these free spaces to my primary partition.

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  • How can I repair my USB drive?

    - by yurko
    USB drive is in read only state and I can't repair it. First of all I tried erase it using dd: root@yurko-laptop:/home/yurko-laptop# ls -l /dev/disk/by-id | grep usb lrwxrwxrwx 1 root root 9 ??? 18 23:45 usb-Generic_Flash_Disk_C173828A-0:0 -> ../../sdb lrwxrwxrwx 1 root root 10 ??? 18 23:45 usb-Generic_Flash_Disk_C173828A-0:0-part1 -> ../../sdb1 root@yurko-laptop:/home/yurko-laptop# dd if=/dev/zero of=/dev/sdb dd: ?????? ? «/dev/sdb»: ?? ?????????? ????????? ????? 8257537+0 ??????? ??????? 8257536+0 ??????? ???????? ??????????? 4227858432 ????? (4,2 GB), 942,633 c, 4,5 MB/c After that I wanted to create new filesystem using fdisk: root@yurko-laptop:/home/yurko-laptop# fdisk /dev/sdb You will not be able to write the partition table. WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p Disk /dev/sdb: 4227 MB, 4227858432 bytes 4 heads, 63 sectors/track, 32768 cylinders Units = cylinders of 252 * 512 = 129024 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdb1 18 32768 4126596 b W95 FAT32 Command (m for help): fdisk showed that the partition still exists and I can't write the partition table. I tried to delete the existing partition: Command (m for help): d Selected partition 1 Command (m for help): w Unable to write /dev/sdb root@yurko-laptop:/home/yurko-laptop# Why am I not be able to write the partition table? Does it mean that some hardware failure occurred? And is it possible to repair the current USB drive? I've tried to use hdparm and it showed that the readonly flag is on: root@yurko-laptop:/home/yurko-laptop# hdparm /dev/sdb /dev/sdb: SG_IO: bad/missing sense data, sb[]: f0 00 05 00 00 00 00 0a 00 00 00 00 26 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 multcount = 0 (off) readonly = 1 (on) readahead = 256 (on) geometry = 1016/131/62, sectors = 8257536, start = 0

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  • Linux DD command partition -to- partition

    - by Ben Jackson
    I just used the DD command to copy the contents of one partition over to another partition on another drive, like this: dd if=/dev/sda2 of=/dev/sdb2 bs=4096 conv=noerror sda2 partition was 66GB and sdb2 was 250GB. I read that by doing this the extra space on the drive I am copying to will be wasted, is this true? I wasn't worried about loosing the extra space for the time being however, I just ran: sudo kill -USR1 (PID) to view the current status of DD and it has written over 66GB of data, will it continue to write data until it gets to 250GB? If so, is there a way to stop the process without corrupting it as waiting for it to write blank space seems like a waste of time.

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