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• DOS Batch file to find "new" files by date

  - by Todd McArthur

  My PC has entered an infinite BSOD loop - but I do have access to a safe-mode command prompt. I'm trying to get an idea of "what changed" that might have triggered this. e.g. I might have gotten a virus, or an app update went belly up. I'd like to thus see which files were created/modified in the last few days/week or at least the *.exe, *.dll, *.com, *.bat etc. I thought I was ok with my Batch-fu but I'm stumped on how to write a quick batch file/command that would list the files for me. REM This will find the files, but the results are all muddled REM all EXE files, reverse sort by date, recursively through sub-directories dir *.exe /O-D /S What I'd really like is to find all (executable filetypes) that were created/modified in the last 3-7 days. Can anyone point me in the right direction?

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• FDE with DiskCryptor V1 (TRIM Support) on Crucial M4 SSD on W7 x64 - Unpartitioned Space?

  - by JamesM

  I have a new Alienware m11 laptop with a brand new Crucial M4 128GB SSD. I have installed the SSD but not used it yet. I am thinking of using FDE with DiskCryptor 1.0.732.111. I will install Win7 Pro x64. I have read about support for TRIM in v1.0.732.111 but also about leaving unpartitioned space. My SSD drive, 'Crucual M4' does not have a manufacturer built-in reserve like other drives. My questions are: Should I leave some free unpartitioned space with v1 of DC and W7x64 even though it will support TRIM or should I not do this? Should I install DC v1 first or after installing Windows 7 (assuming it is brand new, never been used SSD)?

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• What's the best way to move a windows 7 installation from a hdd to another?

  - by Balázs Pozsár

  I have a hdd with windows 7 installed on it. I would like to move (or clone) the whole system to another (in this case smaller) hdd. What is the best and easiest way to do it? Basically I would need some kind of copy operation which would handle the differenct hdd sizes and copy everything including the boot loader. What method do you recommend?

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• hiberfil.sys and pagefile.sys... rebuilt on boot?

  - by spender

  I need to take an image of a drive. I'm working from a bootable CD, so I have the option to decruft before taking the image. The Windows installation on the drive has both hyberfil.sys and pagefile.sys which I would rather not include in the image. If I delete these from the drive, will Windows recreate these files if necessary? EDIT The Windows installation on the drive in question was shut-down cleanly.

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• How do you passthrough native SATA drives to a guest on ESXi?

  - by John

  I have ESXi 4.0 running on an Intel DX58S0 Mothboardboard with an Intel Core i7 930 processor. VT-d is also enabled. I have three drives in the system, drive 0 is used for ESXi. Drive 1 and 2 contain data from an older machine and show up under the "Storage Adapters" section in configuration. I would like to allow a guest machine to access the data on these drives (as nativly as possible). I have enabled passthrough of the motherboard's built in SATA controller (Intel/Marvell 88SE6121 ). This controller shows up in my guest OS, but the guest shows no drives aside from the normal virtual drive. I have tried a Linux guest and Windows7. I have also configured the host machine to try IDE/RAID/ACHI modes for the SATA controller. Any ideas how I can configure one of my guests to get at the raw data on these drives?

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• What happens to a Windows Dynamic Drive

  - by GruffTech

  In my windows (Windows 7) I have two primary logical volumns, One is on a SSD harddrive for my operating system and installed software, and my other is a Dynamic volume for my stored media. (I do alot of work with HD footage) I have all my media on the original DV tapes for backup purposes, just having them all available on my harddrive at all times is a major convience for me, well worth the few hundred dollar investment those 2TB drives were. Anyway, Long story short is my windows install has become problematic and I want to reformat windows. Does this, or will this effect my dynamic drive in any way? I've got almost 3 TB of video on there and i really dont want to re-import all my DV tapes.

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• Is it possible to FORMAT an external hard disk that has been encrypted using Storagecrypt?

  - by Pandian John

  Basically the big problem is that about 680 GB of data from my Seagate 2 TB Ext HD is lost because I was experimenting with a software called storagecrypt. I used it a few months ago and today I tried it again but i didn't know that the old password is already set in the hard disk when I pressed the encrypt button. I forgot the password which is disappointing. Not to mention that software uses 128 bit AES encryption so there is no way iam going to recover that data. My question is that is it possible to Format my Hard disk which has been encrypted? What i mean is that is it possible to completely wipe the data just like it is newly bought so that I can use my External Hard disk?( I tried to format by right click-- Format. But the size of the disk is shown as 1 MB. Answers would be very much appreciated. Thanks.

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• Caching/preloading files on Linux into RAM

  - by Andrioid

  I have a rather old server that has 4GB of RAM and it is pretty much serving the same files all day, but it is doing so from the hard drive while 3GBs of RAM are "free". Anyone who has ever tried running a ram-drive can witness that It's awesome in terms of speed. The memory usage of this system is usually never higher than 1GB/4GB so I want to know if there is a way to use that extra memory for something good. Is it possible to tell the filesystem to always serve certain files out of RAM? Are there any other methods I can use to improve file reading capabilities by use of RAM? More specifically, I am not looking for a 'hack' here. I want file system calls to serve the files from RAM without needing to create a ram-drive and copy the files there manually. Or at least a script that does this for me. Possible applications here are: Web servers with static files that get read alot Application servers with large libraries Desktop computers with too much RAM Any ideas? Edit: Found this very informative: The Linux Page Cache and pdflush As Zan pointed out, the memory isn't actually free. What I mean is that it's not being used by applications and I want to control what should be cached in memory.

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• Bad performance with Linux software RAID5 and LUKS encryption

  - by Philipp Wendler

  I have set up a Linux software RAID5 on three hard drives and want to encrypt it with cryptsetup/LUKS. My tests showed that the encryption leads to a massive performance decrease that I cannot explain. The RAID5 is able to write 187 MB/s [1] without encryption. With encryption on top of it, write speed is down to about 40 MB/s. The RAID has a chunk size of 512K and a write intent bitmap. I used -c aes-xts-plain -s 512 --align-payload=2048 as the parameters for cryptsetup luksFormat, so the payload should be aligned to 2048 blocks of 512 bytes (i.e., 1MB). cryptsetup luksDump shows a payload offset of 4096. So I think the alignment is correct and fits to the RAID chunk size. The CPU is not the bottleneck, as it has hardware support for AES (aesni_intel). If I write on another drive (an SSD with LVM) that is also encrypted, I do have a write speed of 150 MB/s. top shows that the CPU usage is indeed very low, only the RAID5 xor takes 14%. I also tried putting a filesystem (ext4) directly on the unencrypted RAID so see if the layering is problem. The filesystem decreases the performance a little bit as expected, but by far not that much (write speed varying, but 100 MB/s). Summary: Disks + RAID5: good Disks + RAID5 + ext4: good Disks + RAID5 + encryption: bad SSD + encryption + LVM + ext4: good The read performance is not affected by the encryption, it is 207 MB/s without and 205 MB/s with encryption (also showing that CPU power is not the problem). What can I do to improve the write performance of the encrypted RAID? [1] All speed measurements were done with several runs of dd if=/dev/zero of=DEV bs=100M count=100 (i.e., writing 10G in blocks of 100M). Edit: If this helps: I'm using Ubuntu 11.04 64bit with Linux 2.6.38. Edit2: The performance stays approximately the same if I pass a block size of 4KB, 1MB or 10MB to dd.

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• Hard Drive missing drive space

  - by Chance Robertson

  I have a 500 GB hard drive which I previously attached to my Mac. I detached the drive without going through the eject procedure. When I did this a message showed up, which of course I did not read. I could not use the drive until I formatted again. Now, when I attach the drive it says it is formatted NTFS and has 280.39 of 500 GB free. When I open the drive in Windows Explorer, Finder, or in Linux, is only shows a handful of files totaling 54 MB. How can I find out what is taking up all the space.

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• How can I create bootable DOS usb stick?

  - by Grzenio

  I need to use this utility to change one of the parameters of my new WD hard drive: http://support.wdc.com/product/download.asp?groupid=609&sid=113&lang=en It has truly unreadable instructions: Extract wdidle3.exe onto a bootable medium (floppy, CD-RW, network drive, etc.). Boot the system with the hard drive to be updated to the medium where the update file was extracted to. Run the file by typing wdidle3.exe at the command prompt and press enter. I understand that this bootable medium should be some version of DOS? How can I make my USB stick a bootable medium compatible with this utility (I don't have a diskette drive)? I have Windows 7 and Debian Linux installed.

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• Can't start Windows 7 after cloning HDD

  - by Paul

  Brief description: cloned HDD1 - HDD2 HDD1 partition 1 boots HDD1 partition 2 boots HDD2 partition 1 boots HDD2 partition 2 doesn't boot Windows, but is bootable in general Now verbosely: In all the cases computer is the same. I have two Windows 7 installations on HDD1 - both are booting fine. I choose between them using standard Windows 7 boot loader menu. Technically there are 4 partitions: 100 MB Boot loader partition (active), Windows 7 copy 1 (25 GB), Windows 7 copy 2 (150 GB) and Working partition. All are primary. In past few days I tried to clone the whole HDD1 to HDD2 of the same size (but 2,5 inch form factor) as is using Minitool Partition wizard. Everything has been copied, all files are accessible, no faults in file system structure, even boot loader wasn't damaged and I hadn't to repair it. But I can boot only first installation of Windows 7 (it boots without issues). When I choose the second installation, I get immediately a completely black screen without any texts, cursors and other data. HDD isn't accessed after that. This black screen is sensitive to Ctrl-Alt-Delete which causes computer reboot. I did some experimenting: Installed Windows 7 to that partition - it booted fine. Then I renamed "Windows" to "Windows.old" and copied Windows directory from HDD1 as it was, using Far Manager, and got the same troubles - black screen. (Of course I performed renaming and copying from other copy of Windows). So, it seems that problems are inside this installation of Windows, somewhere in its files.

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• How to Get the Folder Name of USB Disk?

  - by Kate Moss' Open Space

  When an USB Disk plugs into CE/Mobile based device, how do you know the folder name of the mounting point? Usually, it should be "USB Disk" but it is really depends on how OS image builder; they may change the folder name for whatever reason. FindFirstFlashCard looks simple and promising, the drawback is it only available on Windows Mobile. In fact, these find flash card API set will enumerate all of the mountable file system which includes SD card, CF and etc that we don't expect to get. So I am going to introduce you another way via Storage Manager. Here is the steps.

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• Files not accessible

  - by gokul

  My system is running on a pc with C:\ Drive out of space. So I tried to delete some file and clean up to get more space. I found that the %Temp% {C:\Users\Username\AppData\Local\Temp} takes lots of space and tried to delete files in it. But when I open it , it alerted me with the message C:\Users\Username\AppData\Local\Temp is not accessible The file or directory is corrupted and unreadable? What to do? Is deleting files from Temp harmful to computer?

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• A space-efficient guest filesystem for grow-as-needed virtual disks ?

  - by Steve Schnepp

  A common practice is to use non-preallocated virtual disks. Since they only grow as needed, it makes them perfect for fast backup, overallocation and creation speed. Since file systems are usually based on physical disks they have the tendency to use the whole area available1 in order to increase the speed2 or reliability3. I'm searching a filesystem that does the exact opposite : try to touch the minimum blocks need by an aggressive block reuse. I would happily trade some performance for space usage. There is already a similar question, but it is rather general. I have very specific goal : space-efficiency. 1. Like page caching uses all the free physical memory 2. Canonical example : online defragmentation 3. Canonical example : snapshotting

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• Is Joerg Schilling's "sdd" a full replacement for "dd"

  - by fishtoprecords

  I'm trying to use 'sdd' on my Debian system, and can't get one set of options to work. They do work in 'dd' so I am wondering if I am specifying them incorrectly, or if sdd didn't implement them, or something else. What I want to do is sdd if=/dev/hdh1 of=/bay5/imagebay1 bs=4096 conv=sync,noerror if I leave out the "conv=..." option, it works, or at least starts copying data. sdd if=/dev/hdh1 of=/bay5/imagebay1 bs=4096 Can you shed a bit of light?

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• How to resize a ubuntu partition to make more room for windows

  - by Jeremy

  My laptop has Windows 7 and Ubuntu 13.10 installed alongside each other. My laptop has two 225GB hard drives. I give Ubuntu 133.65GB and I give Windows 87.76GB on the same hard drive (C). My problem now is that Windows is almost out of space but Ubuntu is only using a few GB of the 133.65GB that I gave it. I want to reduce Ubuntu's partition size and give that space to increase Windows partition size. Is that any program that can to do this?

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• What's the best way to clone multiple PCs from one machine?

  - by Jason T.

  Where I work we have dozens and dozens of old ThinkPad laptops. A lot of these can be reused but not for our needs. They have been long since replaced. The higher-ups have decided to donate them to charity. For better or for worse I have been tasked with reimaging them. I took a laptop and installed the factory copy of Windows, updated it, configured it appropriately. Now I'm trying to reimage it to dozens of other laptops. What's some good software to do this? First I used clonezilla to clone the hdd in the laptop to an internal drive in an external enclosure and it worked. Then I tried taking the base image out and connecting it externally to a laptop that needed to be imaged and I got it to work a few times. So far so good, right? Well once I informed my boss of my findings and what I would want to do then the images started to not work on new laptops. One of three things would happen: The Thinkpads would just blink at me and Windows wouldn't load. Or Windows would load but freeze within two minutes. Last but not least the laptops would BSOD during the Windows XP bootup. These laptops are not going to be used by the company. They're going to charity. So can anyone else recommend a way to reimage multiple laptops?

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• Linux: Is it safe or recommended to rearrange partitions through SSH?

  - by GetFree

  I've just rented a new server (CentOS 5.4) and I see it has only 3 partitions: /, /boot and the swaping partition. I'd like to create, at least, partitions for /tmp and /var. Would there be any problems if I try to create those new partitions through SSH?? Thanks.

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• How can I detect hard drive failures?

  - by Francis

  I am in charge of a large number of Windows servers. Recently, many have been reporting hard drive errors with event codes 11 and 55. CHKDSK indicates that the drives are fine most of the time. What other diagnostic tools could I use to more accurately detect hard drive failures? Could these Windows events be false positives? I have already evaluated S.M.A.R.T., and it seems to have significant sensitivity and specificity issues.

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• Can someone implement LVM on an existing single-hard disk system ?

  - by jfmessier

  I am using SuSE Linux (10) and I am considering expanding the available disk, without resizing an existing partition (which is not easy to do on a VM). Instead, I want to create another virtual disk, and add it in a new LVM volume, which would include the existing disk, and this new one, in a seamless single mount point. We are using VMware vServer 4, under Lab Manager and Virtual Centre. Does SuSE support LVM in version 10 ? Thanks :-)

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• Can someone implement LVM on an existing single-hard disk system ?

  - by jfmessier

  I am using SuSE Linux (10) and I am considering expanding the available disk, without resizing an existing partition (which is not easy to do on a VM). Instead, I want to create another virtual disk, and add it in a new LVM volume, which would include the existing disk, and this new one, in a seamless single mount point. We are using VMware vServer 4, under Lab Manager and Virtual Centre. Does SuSE support LVM in version 10 ? Thanks :-)

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• Why can't I create a Windows backup on my secondary disk?

  - by Brian Sullivan

  I've installed Windows 7 Ultimate on an SSD that I've added to the XPS desktop that I bought from Dell. I would like to use the built-in backup functionality to create incremental backups and store them on the large drive that came with the machine. I formatted the large drive and turned it into a Basic disk. However, when I try to set the backup location to the large internal disk (E:\) in the "Set up backup" wizard, a get a message saying, "A system image cannot be saved on a drive that your computer boots from or that Windows is installed on." Windows is not installed on that disk. I even deleted the OEM partition that was on the disk, and removed it completely from the boot order in the BIOS. Any clue why Windows is griping at me about this?

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• Dead-simple USB-based Windows partition cloner?

  - by OverTheRainbow

  Clonezilla is a fine open-source tool, but it requires going through several screens. Since I need to save/restore the same Windows partition, I was wondering if someone knew of a tool (open-source or not) that is easier to use and boots off a USB keydrive. Ideally, it'll save the two commands to save/restore a partition, so I just need to boot the host from the USB key, choose the command, and it'll take care of business. Are there solutions that look like this? Thank you. Edit: Here's one among other articles that shows how to tell CZ to run a script to avoid the multiple screens.

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• WinDirStat Save Report Option

  - by Josh R

  When running WinDirStat against a drive, I'd like the option to save the report so that I can look at it later while "offline" away from the system it was run on. I've looked around the program and can't see this option. Am I missing something, can this be done with WinDirStat? If it can't be done, is there a way similar to WinDirStat that will allow me to save the results of a drive space scan to delve into them at a later date?

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