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  • Does the advanced format tool bundled by manufacturers actually do anything which mkntfs doesn't?

    - by neurolysis
    I recently bought a new drive (specifically, a 2TB Samsung Spinpoint) that says on the label that it supports advanced format, and that I should download the tool from their site. Unless I'm missing something, mkntfs has always had its maximum sector size at 4096b: -s, --sector-size BYTES Specify the size of sectors in bytes. Valid sector size values are 256, 512, 1024, 2048 and 4096 bytes per sector. If omitted, mkntfs attempts to determine the sector-size automatically and if that fails a default of 512 bytes per sector is used. Will this tool on Samsung's site do anything other than format the drive in the same way doing mkntfs -s 4K /dev/sdb1 would do? To be specific, I'm intending to use this drive on a machine that will primarily run Windows XP, but I'd rather boot into Linux/BSD and format the disk manually than have bloated software. I do want to have the new AF style sectors though -- that's essential. So if I did the command above, would it have exactly the same effect as using the advanced format tool?

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  • Calculate disk space occupied by many .png files

    - by Alexander Farber
    I have 357 .png files located in different sub dirs of the current dir: settings# find . -name \*.png |wc -l 357 settings# find . -name \*.png | head ./assets/authenticationIcons/audio.png ./assets/authenticationIcons/bbid.png ./assets/authenticationIcons/camera.png ./bin/icons/ca_video_chat.png ./bin/icons/ca_voice_control.png ./bin/icons/ca_vpn.png ./bin/icons/ca_wifi.png Is there a oneliner to calculate the total disk space occupied by them (before I pngcrush them)? I've tried (unsuccessfully): settings# find . -name \*.png | xargs du -s 4 ./assets/support/wifi_locked_icon_white.png 1 ./assets/support/wifi_vpn_icon_connected.png 1 ./assets/support/wi_fi.png 1 ./assets/support/wi_fi_conected.png 8 ./bin/blackberry-tablet-icon.png 2 ./bin/icons/ca_about.png 2 ./bin/icons/ca_accessibility.png 2 ./bin/icons/ca_accounts.png 2 ./bin/icons/ca_airplane_mode.png 2 ./bin/icons/ca_application_permissions.png 1 ./bin/icons/ca_balance.png

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  • Calculate minimum ext3 partition size for certain amount of data

    - by Daniel Beck
    These following ext3 partitions contain identical data. As we can see, the larger the partition size, the more space is required for the same files: Filesystem 1K-blocks Used Available Use% Mounted on /dev/loop11 3965777 561064 3199964 15% [...] /dev/loop19 573029 543843 29186 95% [...] Filesystem Size Used Avail Use% Mounted on /dev/loop11 3.8G 548M 3.1G 15% [...] /dev/loop19 560M 532M 29M 95% [...] Filesystem Inodes IUsed IFree IUse% Mounted on /dev/loop11 1024000 1656 1022344 1% [...] /dev/loop19 1024000 1656 1022344 1% [...] I start with a partition of fixed size that possibly wasted a lot of space and I want to create a partition that is able to hold that data but with (almost) minimal size. How can I reliably calculate that minimal partition size needed for storing a certain amount of data? The amount of data changes over time, and I need to automate these calculations.

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  • Booting Linux from External HDD, with persistence

    - by Moriarty
    I am trying to install Linux, specifically Lubuntu or BackTrack 5 on an external HDD (Seagate FreeAgent GoFlex) but I have had no luck using YUMI, or Untebootin to get it working. I want the hard drive to be able to save the data within Linux (As in, If I install a program, it will stay there). I also tried doing this with a flash drive, which does boot, but it does not save data (I tried following Pendrive's tutorial on creating a casper-rw file and adding "persistent" to various files, but I cannot get it to save files. Basically, I just want a form of linux on a portable device that will save files and settings between boots Note: I do not have a CD to install from. Any help would be greatly appreciated, Thanks!

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  • Strange performance from RAID5 using WD RE4 disks

    - by Howard
    I've noticed a bit of a performance issue with some WD RE4 drives I'm using under AMD's hardware RAID solution. First a bit of background: Environment: Windows 7 home premium x64 HDD's: 3x 1TB WD Raid Edition 4 in a RAID 5 setup with 128 kbyte stripe (2TB usable space) Testing Tool: HD Tune, process set to "High Priority" Processor: AMD Phenom II x6 1100T Ram: 16GB DDR3/1600mhz Motherboard: MSI 970A-G45 The image below pretty much depicts the issue I'm having. Every test has the same thing, a period of similar length where the performance drops to a few megabytes a second. This can't be a TLER issue as the purpose of RE4's is to work around that. Any help would be greatly appreciated.

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  • Enabling DMA in pc with windows 7

    - by Mugen
    I was checking my pc settings using AIDA64 (supposed to be the successor for Everest - it basically shows you detailed hardware you currently have). For my ATA hard disk it shows the setting for DMA as "supported, disabled". But when I checked the windows setting I see that it is actually enabled. How can I find out which is correct? And if its disabled what do I do to enable it? Thanks for your help. Here are some screenshots for this:

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  • Laptop harddisk produces clicking sound

    - by Alfred James
    This happens when I am booting up into windows, shutdown or things in which I access the harddrive excessively. It doesn't happen all the time. I have checked it with "Crystal disk Info" and it displays no problem, and shows HDD to perfectly fine. Should I be worried about my HDD? I have Hitachi HDD in laptop. Some times my harddrive temps reach upto 43C while watching movies or playing games. What are the normal temps, which are safe for HDD to operate and increase the lifetime of HDD. Thanks

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  • Free, Linux-based rescue CD for Windows machines

    - by Adam Matan
    Hi, Too often, I'm being called to help a friend who screwed a Windows machine by some creative methods. Th usual remedy is backing up the hard drive contents and reinstalling. Right now, this is done by removing the defected hard drive to my machine. I figured out that using a rescue disk running some version of Linux might ease the process. I'm looking for: NTFS access Partition tools Large variety of drivers (Network, Hard drives, etc.) GUI and some rescue wizards a great plus. Any ideas? Adam

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  • Clonezilla multiple disks restore to single disk

    - by Farseeker
    I have a clonezilla image from a machine that had 3 seperate disks (one partition per disk). I want to know if I can restore that image to another computer that has a hard drive that's much larger than the original, but only has one drive. Clonezilla is stating that it can't do this automatically, and perhaps I should try cnvt-ocs-dev but I've no idea what that means (Google is less than forthcoming with information about it too). Ok so I found out what cnvt-ocs-dev is, and that allows me to move source/destination targets between physical disks, but it doesn't seem to be able to move the partition as well.

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  • How to get partition information from non-booting server?

    - by gravyface
    Need to manually rebuild a mirrored array on a server and am in the process of reinstalling SBS 2003 on it. However, it's a Dell server, and know that there's the Dell FAT32 diagnostics partition, a system partition, and a data partition, but do not know the size of each. Planning on reinstalling SBS 2003, all applications on the server, and then doing a System State restore, but figured that not having the correct partitions will cause some grief: am I right? Almost thinking that the size of the partitions shouldn't matter, but not positive. Question: should I care about the size of the partition? If so, how can I get this partition information from a non-booting drive? We have an Acronis image of the one working disk and the partitions are mounted/viewable in Explorer on a workstation, but I'm not sure where the Logical Disk Manager/Disk Management data is stored and/or if there's a way to retrieve it without having a working Windows installation.

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  • diagnose "corrupt file" problems

    - by Matthew
    My computer has been crashing the last couple weeks pretty regularly (at least once a day). A lot of times things I do will display a little notification in the bottom right saying something about a corrupt file. (I'm on Windows XP Pro Service Pack 3). When the computer does crash I get the "blue screen of death" usually. Some of the notifications also advise running the chkdsk utility. I cannot get it to successfully run. Using the command prompt (or even the "tools" menu after right clicking the drive and choosing properties), it will not run the utility (it says "do you want to schedule it to run next boot time" or whatever, which I confirm). The problem is that most of the time after restarting, it doesn't run at all. The few times it does run, it has an error (I can't remember the error right now, it at least says it's ntfs and such) and says disk checking will end. How can I get it to successfully run?

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  • Debian Harddrive Fdisk - Same ID's and changing letters

    - by James Willson
    I am trying to create and install a debain NAS and ive been having a hard time because I am new to all of this. I used ntfs-3g in order to automount my 4 NTFS drives. I also have a partitioned harddrive which is for the OS. When I was working on it and I ran this command I got this: fdisk -l /dev/sdae1 fdisk -l | grep NTFS /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 The weird thing is, all of the NTFS harddrives listed had an ID of 7. The next time I boot up my machine, I get an error about mounting /dev/sda1 and I run this command, and get the following results: fdisk -l | grep NTFS /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 I havent plugged in any drives, so whats going on? How to I make sure that my drives are mounted with the same sdXX name every time, and is the reason for this because they dont have unique ID numbers, if so, how do I solve this?

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  • Best filesystem choices for NFS storing VMware disk images

    - by mlambie
    Currently we use an iSCSI SAN as storage for several VMware ESXi servers. I am investigating the use of an NFS target on a Linux server for additional virtual machines. I am also open to the idea of using an alternative operating system (like OpenSolaris) if it will provide significant advantages. What Linux-based filesystem favours very large contiguous files (like VMware's disk images)? Alternatively, how have people found ZFS on OpenSolaris for this kind of workload? (This question was originally asked on SuperUser; feel free to migrate answers here if you know how).

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  • After repairing permissions, Mac OS X won't boot

    - by Power-coder
    This morning I ran the Repair Permissions command from inside the Disk Utility. Ever since then my MacBook wont move past the splash screen when booting. I've revolted in verbose mode and I see that it is trying to repair the disk but then terminates with 'Unable to repair the volume'. Since then I have tried running the Disk Repair from the Snow Leopard install DVD and it quits with the same error. Is there a way I can repair this thing without reformatting and installing over again? How does something so simple as a permissions repair make the system unbootable like this?

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  • Is it a good idea to have the operating system on a solid state drive?

    - by Kenji Kina
    There is something I don't quite understand. I know a SSD helps with OS load times, but I'm not sure if all this boost is only noticeable/interesting when booting, or gives an all around considerably better experience thereafter. I am interested in having a quick and responsive environment after booting, which leads me to think that it'd be better to spend the SSD capacity in my most used apps (and the page file? Another inside question) and not the OS itself. This, of course, means that I don't know just how much the OS reads/writes its files during normal usage. So, how good an idea is it to dump the whole 20GB+ of Windows 7 OS into the SSD (considering the hefty price per GB of SSD capacity) if I can put up with the usual hard disk boot times? Would I be missing on a lot if I didn't?

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  • What does this WinImage Error Mean?

    - by Kryten
    Hi, I am using WinImage (version 8.0) on Windows XP SP3 to create a VHD File from my Hard Drive, however, everytime I try to, everytime it says: "I/O error in reading data on position 000000007cd40000:00010000. Error 23: Data Error (cyclic redundancy check)." with the options "Abort", "Retry", "Skip" & "Skip All". Everytime I try "Retry" the message comes, if I click skip another message comes up (same as above, except the data position). I have run "CHKDSK /F /R" several times, but the error always appears. What is wrong? Can I safely skip the Errors? Is there anything I can do to fix the error?

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  • Method for imaging a HDD? [closed]

    - by Sonny Ordell
    Possible Duplicate: Imaging new hard drive in Windows 7 laptop? I have to image my 320gb Laptop HDD before I send it in for repairs. The HDD is likely going to get replaced, and I would ideally like to be able to restore everything as I have it now without having to reinstall my OSes, programs and place all my files back again. I can make space on an external HDD I have, so am just looking for how I should go about this. Should I just use dd with a linux rescue cd? Or is there perhaps a more suitable program with its own rescue disk?

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  • Suggestion for boot manager in external hard disk

    - by Korrupzion
    Hi, I just bought an 1TB External Hard drive with eSATA, USB, FW400/800 (LaCie if you are interested). I already put the windows 7 installation in a FAT32 active partition so i can plug the HDD via USB, since my notebook or other computers doesn't support boot via eSATA commonly, and it works. Now i want to do more partitions so i'm looking for a way to have a boot manager as active partitions that allows me to boot from different partitions in my HDD (win7, ubuntu installations for example) I want to know if you know any software to do this or you already have this system. Thanks and sorry i have too many grammar errors because english is not my native language :)

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  • Issues with non-HP harddisk in HP ML 350 server?

    - by Torben Warberg Rohde
    I'm looking to buy some extra disk space for a HP ML 350 G5 server. It is for simple file-serving - not OS/system stuff. HP harddisks are insanely expensive, so I'm tempted to buy some other brand instead. I have heard that they sometime use special firmware on their disks, but I suspect that might just be HP spreading rumors to sell disks. Does anyone have experience using non-HP disks? Any features not working, or not being able to build the RAID at all? I'm looking at 2.5" SAS Seagate drives - Constellation 500 GB (7.2k) or Savvio 600 GB (10k).

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  • Bitdefender rescue disk does not show my C drive

    - by Nilesh
    My machine (winXP) is infected with virus and I am unable to start my machine. Therefore I have used BitDefender rescue disk to remove the viruses. But I am not able to see my C drive. All other drivers are able to see and scan. Even after I removed all viruses, my machine is not starting. Giving the same error message. I think due to viruse it is not visible to bitdefender. Please help me out. Appreciate your help.

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  • Windows 8.1 installation: Which drive is the F drive?

    - by sammyg
    I am doing a clean install of Windows 8.1 on an old PC. It was purchased as download from Microsoft Store and written to and booted from a USB flash drive. It went through all of these steps: Copying Windows Files Getting files ready for installation Installing features Installing updates Then at "Getting finished" I am stuck at this stupid dialog box. Please unplug the following external drive and click OK to restart your computer and finish installing Windows. F: How do I tell what physical drive this is? Can I drop to command prompt during installation? And is it safe to unplug it while powered on? There is no external hard drive connected, none that I can see. There is no USB or FireWire drive connected externally. I think it sees one of the internal drives as external... in some weird way?!

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  • Splitting a drive which has layout as mirrored and type as dynamic

    - by shiva
    I have a C drive/volume in my server with layout = mirror and type =dynamic and status as healthy(boot,pagefile,crashdump). I have some questions regarding this configuration: I think it is a raid configuration.Please correct me if I am wrong. I read that, mirroring is nothing but raid-1 configuration. All my software and OS is in this drive. I want my software to be in a separate drive, but I am not sure if I can create a separate drive from the above mentioned c drive. I want to know: a. If I can do it and how ?(using disk management) b. If this is a right approach ?

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  • Increase performance of Samsung 830 256GB SSD

    - by Robert Koritnik
    I have a Samsung 830 SSD in my notebook connected to a SATA interface. This is a rather old HP notebook nc8430 which means SATA is SATA I and not II or even III that disk supports. But SATA I still supports speeds up to 150MB/s so I expected at least double values as per image below. CrystalDiskMark shows rather slow performance: I've been using this SSD for over a year now and I would like to know what to do to make it blazingly fast as other reports say it should be? Edit As suggested I'm adding AS SSD screenshot of the test. And Samsung Magician's benchmark which is likely biased...

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  • Calculating IOPS for a single HDD - what am I doing wrong?

    - by red888
    So I know there is no standardized way of calculating IOPS for a HDD, but from everything I have read it appears one of the most accurate formulas is the following: IOP/ms = + {rotational latency} + ({block size} / {data transfer rate}) Which is IOs per millisecond or what the book I've been reading calls "Disk Service Time". Also rotational latency is calculated as half of one rotation in milliseconds. This was taken from the EMC book "Information Storage and Management" -arguably a pretty reliable source right\wrong? Putting this formula into practice consider this Seagate data sheet. I am going to calculate IOPS for the ST3000DM001 model for a block size of 4kb: Seek Average (Write) = 9.5 -I'll measuring IOPS for writes Spindle speed = 7200rpm Average Data Rate = 156MB/s So my variables are: Seek Time = 9.5ms Rotational latency = (.5 / (7200rpm / 60)) = 0.004s = 4ms Data Rate = 156MB/s = (0.156MB/ms / 0.004MB) = 39 9.5ms + 4ms + 39 = IO/ms 52.5 1 / (52.5 * 0.001) = 19 IOPS 19 IOPS for this drive clearly is not right so what am I doing wrong?

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  • Shrink a mounted LVM partition

    - by javanix
    I fear I already know the answer to this question, but here goes. I need to carve out a new partition on a running system. /var/ is mounted from an LVM volume (hdd1_vg-var) and has only 3% used disk space. / is mounted separately (hdd1_vg-root) and has about 80% used disk space. Filesystem Size Used Avail Use% Mounted on /dev/**/hdd1_vg-root 2.0G 1.4G 481M 75% / /dev/**/hdd1_vg-var 33G 699M 31G 3% /var Unfortunately I don't have any free extents to grow this partition organically - vgdisplay shows: Total PE 10000 Alloc PE / Size 10000 / 39.06 GB Free PE / Size 0 / 0 So seeing that I have all this free disk space on /var/, can I shrink /var/ without un-mounting it or is this just a pipe dream? I am really hoping to be able to do this work on a running system - un-mounting would of course not be difficult but it would interfere with system functionality.

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