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• Booting from e-sata drive

  - by petersohn

  I have a HP EliteBook laptop (don't know exact product number), which has an internal hard drive with Windows installed on it. I have an external hard drive with e-sata and USB ports, linux installed on it. When I try to boot from the external drive, it works if I use USB but not if I use e-sata. In the BIOS setup, I have the following boot order set: External SATA drive USB Hard Drive Notebook Upgrade Bay Notebook Hard Drive etc. When I boot from another drive (such as the internal hard drive or from CD-ROM), and have the e-sata cable connected, it works perfectly. Is there any way to boot from the e-sata drive?

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• HP DL380 G5 Predictive failure of a new drive

  - by CharlieJ

  Consolidated Error Report: Controller: Smart Array P400 in slot 3 Device: Physical Drive 1I:1:1 Message: Predictive failure. We have an HP DL380 G5 server with two 72GB 15k SAS drives configured in RAID1. A couple weeks ago, the server reported a drive failure on Drive 1. We replaced the drive with a brand new HDD -- same spares number. A few days ago, the server started reporting a predictive drive failure on the new drive, in the same bay. Is it likely the new drive is bad... or more likely we have a bay failure problem? This is a production server, so any advice would be appreciated. I have another spare drive, so I can hot swap it if this is a fluke and new drive is just bad. THANKS! CharlieJ

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• smartctl not returning on HBA that's secure-erasing a different drive

  - by Stu2000

  Whenever I run smartctl -i /dev/sd* where * is a drive that is plugged into the same host bus adapter as another drive that is currently being erased with an hdparm secure erase command, the smart command will just 'hang' and not return (blocked) until the erasure of the other drive is finished. To make matters worse you can't cntrl-c out of it. Has anyone else had this issue? Is there another way to retrieve smart data from a drive, which doesn't block? I noticed that I can still use the udevadm command to retrieve the serial and model of the drive which is useful but doesn't appear to have any smart data. Any information relating to this matter is appreciated, especially if you can tell me another way to retrieve the S.M.A.R.T data that might work. Regards, Stuart

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• Disk Error on Boot (Possible boot sector issue)

  - by Choco

  I own a 4-5 year old Dell Dimension E510 with Windows XP: Media Center Edition. I have 2 drives installed: C Drive: Windows XP: Media Center Edition G Drive: 2 partitions: Windows 7 (beta) Windows XP (professional) That is also the order they are connected. The C Drive is my primary drive. When I attempt to boot the computer, the bios loading screen appears normally; the progress bar moves and it's fine. The very next page, however, supposed to be a boot choice. When I installed Windows 7 onto the G Drive in context of the C drive it added a boot selector to the C drive's boot sequence. It gives me the option of booting Windows 7 or Windows XP: Media Center Edition. However, my problem is now this: After the bios screen I previously mentioned, instead of a boot selector, I receive the following error: A disk read error occurred. Press CTRL+ALT+DEL to restart. The drive is spinning up normally. I hear no odd noises/clicks/scraping coming from it, even after disabling the other drive to listen to it carefully. According to me, it's a boot sector issue. I have never experienced this before, but maybe during a recent shutdown, Windows XP: MCE errored out and ruined the boot sector. Dilemma! I don't have the Windows XP: MCE disc, because it was installed by the factory. I have accessed the hidden partition on the drive before (you hit a key combination on the bios screen and it comes up with an interface to fix your drive). However, I don't want to reformat the drive (which is what the interface gives me the option to do). I want to possibly fix the boot sector. How can I achieve that?

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• Installing Ubuntu 12 on SATA III drive

  - by Jared

  I am trying to install Ubuntu 12.04 on a SATA III drive however the installer will not recognize my drive in the guided (dual-boot) install. I have changed the controller from IDE to AHCI to no avail, the install still will only recognize my very small second drive that is plugged into a SATA II port. The thing is, the unguided install sees this drive just fine, I just am not sure enough of what I'm doing to feel safe installing via this method. Is there a fix for this beyond plugging my drive into a SATA II port? I really would like to avoid this because of my terrible cable management skills it would be a huge pain to switch it over.

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• Replace your SKY+ HD Hard drive

  - by BizTalk Visionary

  As there are a number of different unit types there are a number of links provided here: If you wish to upgrade the Amstrad HD Box, please use this guide. How to upgrade the Hard Drive of your Amstrad HD box If you wish to upgrade the Thomson HD Box, please use this guide. How to upgrade the Hard Drive in your Thomson HD Box. If you wish to upgrade the Pace HD Box, please use this guide. How to upgrade the Hard Drive in your Pace HD Box If you wish to upgrade the Samsung HD Box, please use this guide. How to upgrade the Hard Drive in your Samsung HD Box I recommend you use a Hitachi DeskStar 1TB Hard Drive SATAII 7200rpm 16MB Cache

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• Google I/O 2012 - What's Possible with the Google Drive SDK

  Google I/O 2012 - What's Possible with the Google Drive SDK Nicolas Garnier Partners of Google Drive have already implemented a number of extremely compelling applications that use Google Drive for file storage. Implementing on the Google Drive SDK enables developers to distribute the cost of storage, while also removing the pain of reimplementing file management. In this session, we'll take a look at a number of existing Google Drive SDK implementations with popular apps. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 276 6 ratings Time: 56:25 More in Science & Technology

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• Creating an install drive - can not open output file autorun.inf

  - by user226881

  I am trying to make an install/boot drive for a computer that has no operating system and no optical drive. I used the ISO from Ubuntu.com and the burner from pendrivelinux.com. When the program starts writing to the flash drive, there is an error displayed that says : "0 can not open output file E:\autorun.inf" But continues to write data. After it has finished, I remove the drive and insert to the other computer and turn it on, but it never finds a drive to boot from. What is causing this problem and how can I fix it ?

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• Ubuntu not saving files and settings when running from flash drive

  - by user81217

  How can I make Ubuntu run completely off of a flash drive? I have downloaded Ubuntu onto a 4gb flash drive but no changes I make are saved between sessions. I want to be able to run and save everything I do to the flash drive. I don't want it interfering with my hard drive at all. I just want to be able to plug my flash drive in the computer boot Ubuntu, and for it to save my changes. E.g. When I install Google Chrome, when I reboot it isn't there.

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• Finding distance travelled by robot using Optical Flow

  - by user280454

  Hi, I'm working on a project right now in which we are developing an autonomous robot. I have to basically find out the distance travelled by the robot between any 2 intervals. I'm using OpenCV, and using the Optical Flow functions of OpenCV, I'm able to find out the velocity/distance of each pixel in 2 different images. Using this information, I want to be able to find out the distance travelled by the robot in the interval between those 2 images. I thought of a way in which we could develop an input output mapping between the distance travelled by pixels and the distance travelled by the bot (using some tests). In this way, using neural networks, we would be able to find the relationship. However, the optical flow would depend on the distance of the camera from the pixel, which would cause problems. Is there any way to solve this problem?

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• open source library for Optical mark reader

  - by user267067

  I want a open source library for optical mark reading (OMR).Is there any such library?

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• https://www.googleapis.com/drive/v2/files/<fileid>/comments?alt=json returned "Not Found" on a file that can't be opened

  - by Kartik Ayyar

  More details as below: https://www.googleapis.com/drive/v2/files/1iNMGIAFXuhS_CO_hnEO0_EJ9PAgT-hXYqWYv0MPGUTI/comments?alt=json returned "Not Found The file is present in drive and shows in drive.changes.list, but can't be opened in Google Drive either. There are two problems here a) the file is somehow corrupt ( it was a document imported into drive, so that failed, but that isn't something I care about for the purposes of this question ) b) The file shows up as existing in some API calls, but calls to read comments with the Drive SDK comments API fail. Here are results from an API call showing how the file does indeed exist: "file": { "kind": "drive#file", "id": "1iNMGIAFXuhS_CO_hnEO0_EJ9PAgT-hXYqWYv0MPGUTI", "etag": "\"o35FABD0TC3H-Up3OL3UA9kEB2w/MTM3MTc2NzU5NzEyNA\"", .... .... "iconLink": "https://ssl.gstatic.com/docs/doclist/images/icon_11_document_list.png", "title": "<removed>", "mimeType": "application/vnd.google-apps.document", "labels": { "starred": false, "hidden": false, "trashed": true, "restricted": false, "viewed": true },

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• Zero bytes on home partition

  - by Michael Z

  I decided to replace the hard drive on my machine running Ubuntu 12.04 LTS . After using the new hard drive for a few days, I noticed that the new hard drive has bad sectors. So I decided to plug my old hard drive back in. First, I plugged both hard drives in and copied some data files from the new hard drive to the old one. After unplugging the new hard drive, I booted the computer with the old hard drive, and here I got a surprise: I can see 0 bytes available on my /home partition! The df utility shows that the /home partition has 0 available bytes. I have tried to move some files. But I still has 0 bytes on /home! However, GParted correctly shows that the available size is near 2Gb. UPDATE 1: To my surprise, System Monitor shows me that approximately 2 Gb are free and 0 bytes are available on the /home partition. It's slightly shocked me! Are "free" and "available" not the same? Any help is really appreciated!

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• NASM - Load code from USB Drive

  - by new123456

  Hola, Would any assembly gurus know the argument (register dl) that signifies the first USB drive? I'm working through a couple of NASM tutorials, and would like to get a physical boot (I can get a clean one with qemu). This is the section of code that loads the "kernel" data from disk: loadkernel: mov si, LMSG ;; 'Loading kernel',13,10,0 call prints ;; ex puts() mov dl, 0x00 ;; The disk to load from mov ah, 0x02 ;; Read operation mov al, 0x01 ;; Sectors to read mov ch, 0x00 ;; Track mov cl, 0x02 ;; Sector mov dh, 0x00 ;; Head mov bx, 0x2000 ;; Buffer end mov es, bx mov bx, 0x0000 ;; Buffer start int 0x13 jc loadkernel mov ax, 0x2000 mov ds, ax jmp 0x2000:0x00 If it makes any difference, I'm running a stock Dell Inspiron 15 BIOS. Apparently, the correct value for me is 0x80. The BIOS loads the hard drives and labels them starting at 0x80 according to this answer. My particular BIOS decides to load the USB drive up as the first, for some reason, so I can boot from there.

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• Google Drive API invalid_grant after removing access

  - by Sparafusile

  I have been writing a desktop application that uses the Google Drive API v2. I have the following code: var credential = GoogleWebAuthorizationBroker.AuthorizeAsync ( new ClientSecrets { ClientId = ClientID, ClientSecret = ClientSecret }, new[] { DriveService.Scope.Drive }, "user", CancellationToken.None ) .Result; this.Service = new DriveService( new BaseClientService.Initializer() { HttpClientInitializer = credential, ApplicationName = "My Test App", } ); var request = this.Service.Files.List(); request.Q = "title = 'foo' and trashed = false"; var result = request.Execute(); The first time I ran this code it opened a browser and asked me to grant permissions to the App, which I did. Everything worked successfully until I realized I was using the wrong Google account. At that point I logged into the wrong Google account and revoked access to my App. Now, whenever I run the same code it throws an exception: Error:"invalid_grant", Description:"", Uri:"" When I examine the service and request objects, it looks like the oauth_token isn't getting created any more. I know what I did to mess things up, but I can't figure out how to correct it so I can use a different Google account for testing. What do I need to do?

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• SSD Drive not being recongized in BIOS

  - by chobo2

  Well I bought my first drive Mushkin Chronos 180GB and got it installed in my computer and loaded up. I went to windows 7 and initialized the drive and then I installed "SSDlife Free" and loaded it up and my the SSD drive came up said it was "powered on 3 times"(thought it was odd but then thought maybe some testing???). I then restarted my computer and loaded into Acronis. Went to my SSD drive and make a partition called windows(made a basic logical partition). I then loaded up Norton ghost and wanted to copy my current windows onto the SSD drive on the partition I made found out I could not do it through the recovery disk so I made a backup of my windows drive and wanted to then restore it onto the SSD drive. Came back an hour later when the backup was done. I tried to restore the it on my SSD drive and could not find the partition so I loaded up Acronis again and it did not see it. I then went to the bios and saw only my other hard drive. What I tried Tried uplugging and replugging in both sata and power cables. Tried using the power and sata cable from the working drive and giving it the ones that SSD drive were using. Tried Sata AHCI Mode (Intel ICH9 Southbridge) Tried SATA PORT0-1 NATIVE MODE (Intel ICH9 Southbridge) Nothing worked. Software / hardware Windows 7 ultimate Gigabyte S-Series GA-P35-DS3L Mother board I hope someone has some ideas on why it is not being recognized.

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• My hard drive seems to be overheating... what should I do?

  - by George Edison

  After a cold boot, the hard drive in my notebook jumps to 56? within an hour or so of idling. Is 56? a cause for alarm? Notes: The notebook is on a flat desk and none of the vents are obstructed. The video card is currently at 55? and the CPU at 50?. It's a Western Digital 250GB hard drive. SMART reports the drive healthy but does warn that: Edit: this problem had a very surprise ending. I inverted the notebook and unscrewed some of the panels on the back (there was one covering the hard drive, and one that provided access to the memory). I couldn't see any dust, so I simply screwed everything back together and powered it on... and it worked! The temperature is now staying at 46?, and it feels notable cooler to the touch. So I can only assume that some internal fan was malfunctioning or something. Whatever the case, it's working now so I won't complain. Edit: I have an SSD now, so temperature isn't as big an issue as it was when I had a mechanical drive.

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• Paused BitLocker encryption because no longer want to encrypt the hard drive - how do I get out of encrypting?

  - by Matthew Nagear

  I'm hoping someone can help. I'm not a techy and can't seem to find the same question already answered. I went to encrypt (using BitLocker) a Buffalo hard drive but after it took about 1 min to reach 0.2% 'encrypted' I decided to pause and eject, thinking this would have ended the encryption process. However, I had already assigned a password to it on the instruction pre the encryption beginning. I've since connected my hard drive again and I'm asked to input the password. If I don't I cannot access the drive. However, if I do, I CAN access the files but straight away the little BitLocker Drive Encryption dialogue box comes up saying Encryption in progress.. which I have the option to Pause. So I hit Pause straight away as I do not want to go through with the encryption. Is there any way I can stop the process and decrypt before encryption is completed? Or am I forever going to need to Pause quickly and eject. I fear that will affect my hard drive longer term. Thanks.

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• Which Ubuntu-like Linux OSs work well on a flash drive?

  - by Evan Kroske

  I want a Linux OS that I can load on a flash drive, but I don't want to relearn an entire operating system. I want to know which tiny Linux installations are most like Ubuntu. For example, I'd like to use the apt-get package manager, the Gedit text editor, and the bash shell. I'd like to use something that's already popular, stable, and highly compatible, but it needs to fit comfortably in one gig of my four-gig flash drive (just the essentials; I'll use the remaining three gigs to store installed programs and files). I have no preference for window managers; I just want something small and fast that works like Ubuntu. What is the most popular Ubuntu-like OS that can be easily run on a thumb drive? Edit: I'm not sure I understand how this works. I don't to use a USB drive as a LiveCD; I want to plug in a USB stick and use the computer as if it was my own. In other words, I want to be able to install programs on the drive on one computer and use them on another. Do any of these OSs let me do that? Please forgive my ignorance.

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• Hard drive had reallocated sectors...but now it magically doesn't! Can I trust it?

  - by rob

  Last week my SMART diagnostics utility, CrystalDiskInfo, reported that the external hard drive that I was saving my backups to had suddenly reported 900+ reallocated sectors. I double-checked to confirm, then ordered a replacement drive. I spent all of this week copying data from that drive to the new drive. But toward the end of the copy, something peculiar happened. CrystalDiskInfo popped up an alert that the reallocated sector count had gone back down to 0. I know that when SMART detects a read error on a block, it adds that block to the current pending reallocation list. If it subsequently is successfully written or read later, it is removed from the list and assumed to be fine, but if a subsequent write fails, it is marked bad and added to the reallocated sector count. What concerns me most is that I've never read anywhere that a sector can be recovered as "good" after it has been marked as a bad sector and remapped. I've just finished running an extended SMART diagnostic, and it found no surface errors. Now I'm doubtful that the manufacturer will honor a warranty claim if the SMART info does not report any problems. Has anyone had this happen? If so, then is the drive, indeed, okay, or should I be concerned about an imminent failure?

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• How do you partition a USB Thumb / Flash Drive?

  - by Omar Shahine

  Out of the box, Windows will not allow you to partition a USB Thumb / Flash Drive. How can you do this? In case anyone is wondering Why you would do this? It's interesting in the case of a BitLocker ToGo drive where you can take a large thumbdrive (like 4 or 8 GB) and format a small amount of the drive to be used normally as a Fat32 drive and leave the remaining partition encrypted using BitLocker. This allows you to keep some non secret data on the unencrypted partition(like portable apps).

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• My (C:) drive changed from Basic to Dynamic, is this bad?

  - by bbman225

  I'm really worried here. My computer still runs, so I take this as a good sign, however let me explain my situation: I am trying to install Ubuntu Linux, and the installer was having problems, so I went back into the partitioning tool on my Windows 7 (after having successfully shrunken my C drive and created 55 GB unallocated space) and I attempted to create a new partition out of the 55 GB and make it a simple NTFS drive so that I could let the installer wipe it clean again and format it in whatever file system it prefers. Now, after googling it and running through the process I noticed that all of my drives, including the C drive and the one I just made changed from type "Basic" to type "Dynamic." What is a dynamic drive and should I be worried?

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• No power save on external hard drive - How to implement?

  - by blastawaythewall

  I recently bought a new 3.5" USB external hard drive which I thought had a power save feature on it, but it turns out that it doesn't. So whether it's being used or not, it spins, which wouldn't be a problem if it wasn't so loud and didn't get really really hot. After doing some research, it seems like what controls this is the enclosure of the hard drive and not the drive itself or the OS (although I suspect that's not entirely true). I attempted to use the "hdparm" utility but it couldn't identify my externals. Just to be clear, I'm defining power save as a hard drive spinning down after a certain time period of not being used (read from/written to). Also, I have other externals that do this, so it's not a problem from my computer. Here's my question: Is there a way to implement a power save-like feature on my hard drive through software, OS settings, or anything else? Here's some details: Running: Windows XP Home SP2 HD Model: Cavalry CAUM-B-OTB 2TB (although the website only lists 1TB max) Inside: Hitachi Deskstar 7K2000 (HDS722020ALA330) (I would link, but new users can only post 1) Thanks in advance.

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• My external hard drive letter is increasing each time i plugin it to my laptop, how to solve this pr

  - by Amr ElGarhy

  I have a strange problem, everytime i plugin my external hard drive, its letter increase, "g,h,i,j,k,l,m, then n, and now o" I went to computer manager and did what is described in this question: http://superuser.com/questions/76165/windows-changing-an-external-hard-drives-drive-letter To change the drive letter, but i found that the letters from h to n are all missed and not in the list. How to solve this problem? I am using windows 7 ultimate edition 32. 2GB Ram.

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• EEE PC 701/4G Surf Internal Drive: Is it really SSD?

  - by Bart Silverstrim

  I have an old EEE PC with the 4 Gig internal drive. Everything I've read keeps saying it's an SSD drive; running lshw tells me that it's an ATA disk, Silicon Motion SM. The thing seems to be rather slow, though. I know it has a 900 Mhz Celeron processor and only 512 meg of RAM, but it seems like drive access is slow even for those specs. Does anyone know if it really has an SSD drive? I thought that compared to regular hard disks SSD's were blazing fast, and this feels like and acts like it's pulling from something more akin to an internal USB memory stick.

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