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• Is really good have a big (500GB/1T) Hard Disk as main one!?

  - by aSeptik

  Hi All guys! ;-) i'm building my new PC so i'm starting the usual search for a good hardware/price around the net! but this time i'm not sure i want buy a big Hard Disk! i was thinking to have a "very small" HD like 50GB as main one and external (big) for store all other stuff! Assuming i'm using classic slow softwares like adobe suite (photoshop, flash, autodesk) and some very simple soft like notepad, php and so on...! do you think this is a good practice for improve performance/speed or i'm jast saying some stupid thing!?

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• How do I catalog files on several external hard drives that I want to store off-line? OSX

  - by raudi

  My partner, an artist, has more than 10 external hardisks both USB and firewire and every 2-3 months a new one has to be added (She's working with videos and pictures) currently its 10TB and growing so too much for a affordable NAS. Right now the files are not indexed and I think can not be searched with spotlight because not all drives can be connected at the same time. So if she wants to search for a file, she has to guess which disk/disks (based mostly on the date) and then search several drives. Now I'm looking for a solution to index/catalog the drives, something like GentibusCD Cathy Disclib (all these solutions are unfortunately Windows only) Is there any software for OSX that will catalog all the hard drives, so she can search the catalog, find the files, and get the ID of the disk / disk name that has the content? Preferably something with a GUI so my partner can also use it easily Preferably with Thumbnails for pictures/videos (But even an equivalent to "tree /F /A" would be better than nothing)

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• Mac failing (failed?) hard drive - is all hope lost?

  - by Daniel

  It's a 500 GB Seagate laptop hard drive that came with my Macbook Pro. Apple partition format. Already replaced and now have it external, connected via SATA/USB adapter. Trying to get just a few files that I worked on while out of town when it crashed (and thus did not have my time machine backup drive). Drive will not mount, but OS X Disk Utility detects it and can read the capacity, model number, and even the name of the partition, which leads me to believe all hope may not be lost. Failed attempts so far: Disk Utility verify+repair says drive cannot be repaired and that I should back up immediately (lovely) Disk Warrior says it cannot rebuild the directory due to hardware failure Data Rescue quick & deep scans immediately failed PhotoRec says "error reading sector" for every sector (at least for the few minutes I let it run before closing it to explore other options) What else can I try here? Again, I'm just looking for a few, small files (python scripts to be specific) - not a full recovery.

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• Is it bad to have a very full hard drive on a high traffic database server?

  - by MikeN

  Running an Ubuntu server with MySQL for a high traffic production database server. Nothing else is running on the machine except the MySQL instance. We store daily database backups on the DB server, is there any performance hit or reason why we should keep the hard disk relatively empty? If the disk is filled up to 86%+ with the database and all of the backups, does it hurt performance at all? So would the DB server running with 86-90%+ full capacity perform less well in any way than the server running with only a 10% full disk? The total disk size on the server is over 1 TB so even 10% of the disk should be enough for basic O/S swapping and such.

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• What power cord does a WD16001032 hard drive use?

  - by llcf

  I have a Western Digital 160GB My Book USB external hard drive (WD16001032), but I can't find its power cord (or, at least, figure out which one it is in my box of cords). It might be that only one power cord would fit, but I'm a bit cautious since I just tried one of the cords with a router and could smell electronics burning when I used an incorrect one. What voltage/amps are needed for this drive? I can't find specs on Western Digital's site. I'm assuming this is due to it being an older drive.

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• Moving Windows 7 OEM from one hard disk to another but retaining the rest of the hardware

  - by Dane

  I think this should be very easy but it doesn't seem like there's a whole lot of info out there. I've personally never done this exact maneuver because I've never needed to retain the OEM licence before. I have a laptop and I wish to simply swap out the hard disk with a bigger one but keep the Windows installation and files intact. Do I use Windows Backup and Restore and burn DVDs or do I just Acronis or something similar. Or is there an even easier way of doing this involving a third party desktop? Any help much appreciated.

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• New 2.5" hard drive for laptop - What to compare?

  - by TFM

  I'm having trouble finding a new (bigger) hard drive for my laptop. I came across some criteria that I never thought about before, while I was checking a price comparison site. Of course, that made me more confused. First of all, I will probably go with something above 250 GB, and at least 16 MB cache. Now the confusing part: Most new drives are 7200 RPM, as opposed to good old 5400 RPM. 7200 RPM used to mean extra heat, but suddenly it's almost impossible to find a 5400 RPM in 2.5". What did I miss? Second question: Internal data transfer rate. My old drive has a rate of around 60 MB, but new drives have values like 100 MB or more (e.g. 150 MB). How important is this "internal data transfer rate"?

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• Internal hard drive, can't format

  - by user113923

  I cannot format anymore the hard drive of my laptop. Here is how I proceed: I am starting my computer with a USB live drive (Ubuntu 10.04 LTS - the Lucid Lynx). Then I start disk utility and try to format the hard drive - I choosed to format the Master boot record but I get the following error: Error creating partition table: helper exited with exit code 1: Error calling fsync(2) on /dev/sda: Input/output error If I try to delete partitions I get the following error Error erasing: helper exited with exit code 1: In part_del_partition: device_file=/dev/sda, offset=32256 Entering MS-DOS parser (offset=0, size=30005821440) MSDOS_MAGIC found looking at part 0 (offset 32256, size 4096157184, type 0x83) new part entry looking at part 1 (offset 10618836480, size 8414461440, type 0x83) new part entry looking at part 2 (offset 19033297920, size 1077511680, type 0x82) new part entry looking at part 3 (offset 20110809600, size 9895011840, type 0x07) new part entry Exiting MS-DOS parser MSDOS partition table detected got it got disk got partition - part-type=0 Error: Input/output error during write on /dev/sda ped_disk_commit_to_dev() failed If I try to install ubuntu frrom the usb on the hard drive and choose erase and use the entire disk I get the error message Input/output error during write on /dev/sda For side infos I have at the moment 4 partitions on my hard drive: /dev/sda1 (ext2) /dev/sda2 (ext2) /dev/sda3 (swap) /dev/sda1 (ntfs) + /dev/sda (unlocated Space) My ultimate goal is to reinstall ubuntu and have only 2 partitions... I would really appreciate any help here! Thanks JB

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• Windows 8 BIOS - Boot Ubuntu from External HDD

  - by F3AR3DLEGEND

  My laptop came pre-loaded with Windows 8 64-bit (only storage device is a 128 GB SSD). Since it is my school laptop/I've heard creating a Linux partition alongside Windows 8 is not very wise I installed Ubuntu onto my external hard drive. I have a 500GB external HDD with the following partitions: Main Partition - NFTS - ~400 GB Extension Partition / - ext2 - ~25gb /home - ext2 - ~30gb swap - ext2 - 10gb /boot - ? - 10gb ? = not sure of partition Using the PenDriveLinux installer, I created a LiveUSB version of Ubuntu 12.04 (LTS) on a 4GB USB drive. Using that, I installed Ubuntu onto the external hard-drive, without any errors (or at least none that I was notified of). Using the BIOS settings, I changed the OS-loading order so that it is in this order: My External USB HDD Windows Boot Loader Some other things Therefore, Ubuntu should load from my hard drive first, but it doesn't. Also, my hard drive is in working condition, and it turns on when BIOS starts (there is a light indicator). When I start my laptop, it goes directly to Windows 8 (I have the fast startup setting disabled as well). So, is there any way for me to set it up so that when my HDD is connected, it will automatically load Ubuntu? Thanks in advance!

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• Hard drive skipped in boot

  - by Yasin

  Good evening. I just installed Ubuntu 12.04 using a USB, but right after the install, after restarting the machine, I get a message asking me to insert a bootable drive. My boot settings in Bios have the hard drive first, then DVD, then USB stick, and I have two systems installed, Windows 7 and Ubuntu 12.04. I suspected the hard drive got somehow disconnected internally, so I checked but everything was in place. I used the live USB to start Ubuntu, and I could see the hard drive and mount whatever partition I wanted. The one that contains the recently installed Ubuntu, looks the same. (It hasn't been deleted or anything). I'm not sure if this is a hardware problem or a loader(grub) problem, because the hard drive is visible. Only it isn't seen by the BIOS. My only means of internet connection is a USB modem, which doesn't work when I'm using the live USB, so I have can't download anything from the internet, in case someone asks. I also reinstalled Ubuntu 12.04, to no avail. This is my second problem with this laptop, and Ubuntu, and it's not even a week old. I hope this one gets solved. Thank you.

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• Add a small RAID card? Will it help overall stability and performance of my nine hard drives?

  - by Ray

  Hi, Will I get any extra genuine added performance and RAID stability if I insert a basic RAID card into a PCI-E x1 slot? I am considering the Adaptec 1220SA - 2 port SATA , pci-express (1x) , raid 0/1. Ok it only supports two SATA drives. Purpose is to help support the eight internal hard drives (1TB each), a DVD drive and an external e-SATA connected 2TB hard drive - by dealing with two of the internal hard drives. My current configuration of eight internal 1TB Barracuda (7200.12) SATA hard drives, one external 2TB SATA Western Digital Green Drive (e-SATA) and one DVD drive can already be supported by the Intel P55 & JMicron controllers on the ASUS motherboard : the Intel P55 (controls six HDD; configured as three x RAID 1), and the JMicron (controls two HDD as one RAID 1, as well as the DVD drive and the external SATA drive via the motherboard's e-SATA port (controlled by the JMicron)). Bigger picture details : I have an ASUS motherboard designed for the LGA1156 type processor and it includes the Intel P55 Express Chipset and JMicron. I am using the Intel Core i7-870 processor, and have 8GB DDR3 (1333) memory (four x 2GB Corsair DIMMs). Enough overall power. The power supply is more than sufficicient for the system. Corsair AX850. The system will never need the full 850 watts (future : second graphics card). The RAID card would provide hardware RAID 1 for two of the eight intrnal drives. It would either reduce the load on : the Intel P55 firmware RAID support, or replace the JMicron controller's RAID 1 set. I am busy installing the above configuration using Windows 7 Ultimate 64-bit as the OS. The RAID card is a last minute addition to the plan. Is it worth spending the extra R700 - R900 on the Adaptec 1220SA, or equivalent RAID card? I cannot afford to spend yet another R2000 - R3000 on a RAID card that would support many SATA2 hard drives, with a better RAID, example the RAID 5. My Issue & assumption : I am trusting that the Intel P55 chipset can properly handle six drives, configured as three * RAID 1. I am assuming that the JMicron can handle, using its RED SATA ports, one RAID-1 (two HDDs). The DVD drive connects to the JMicron optical SATA port 1 (white port 1). White port 2 is not used. The e-SATA connection is from the JMicron straight to, and through the motherboard - to an on-board (rear panel) e-SATA port. Am I being a little hopeful in only using the on-board Intel P55 and the JMicron? Is it a waste of money to install a RAID card that handles two SATA2 drives? OR Is it wisdom to take the pressure a little off the Intel P55? Obviously I am interested in data security, hence RAID 1, not RAID Zero. RAID 5 would be nice. The CPU, Intel Core i7-870 will provide the clout. Context to nine drives : I am using virtualisation with Windows 7 Ultimate. Bootable VMs. The operating system gets a mirror. Loaded apps gets a mirror. The current design data is kept in another mirror and Another mirror is back-up one and / or VM territory. Then the external 2TB drive (via e-SATA) is the next layer of data security and then finally, I use off-site data security. Thanks.

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• How to let hard drive sleep in RAID1 configuration?

  - by Al Kepp

  Normally in Windows 7 a hard drive stops spinning when it is not used for a longer while. This can be configured in Windows and I use it on computers which are turned on 24/7 but not used much often. My problem is on a computer with Intel X79 chipset with an integrated RAID controller. There is Windows 7 installed on an SSD drive, and there is RAID1 array with two SATA HDD drives for data. Those SATA drives aren't used much so I'd like to let them sleep (i.e stop spinning). But they ignore settings in Windows. How to let them sleep when using RAID1? It seems to me that those drives are "unstoppable", they are spinning 24/7 even when they aren't used at all. Maybe they would behave normally if I used Windows-based software RAID, but I use hardware RAID controller. Is there a way to let them stop spinning and sleep after for example 3 or 5 hours of inactivity (i.e. the same way as they would behave in Windows without RAID)?

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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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• What are "Excess Fragments" in defragmenting a hard drive?

  - by Andrew Swift

  I'm defragmenting my hard drive (XP SP3) with PerfectDisk 7.0, and it finds 816,659 excess fragments when I ask for an analysis. [update] Specifically, it shows that the 1TB disk is 14% fragmented with 19693 fragments and 816,659 excess fragments. About 20% of the disk is still free space. What does excess fragments refer to? What is the difference between fragments and excess fragments? I have had problems in the past where I defragmented a fragmented disk and many files were corrupted. It seemed as though "excess fragments" referred to orphan pieces, where the program couldn't find out where to put them. If that was true, then defragmenting a disk resulted in many incomplete files, and in fact I defragmented a disk full of MP3's and got a lot of corrupted files as a result. Instead, I started to simply format a separate disk and copy everything from one to the other. That way there were no orphan bits, and no file corruption. Does anybody know what "excess fragments" really are?

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• Home server hard drive: 186k start-stop cycles in 325 days?

  - by j-g-faustus

  I set up a home server about a year ago, using Ubuntu server (10.04 LTS at the moment), four disks in RAID 5 for storage (WD Green 1.5 TB) and a laptop drive for the OS. Today the output of smartctl, a command line utility for checking the SMART attributes of a hard drive, tells me that the primary OS drive has had no less than 186,000 start-stop cycles in 325 days and may be nearing the end of its lifespan. The smartctl output is in "normalized values", in this case a number between 200 and 000, where 200 is "brand new" and 000 means "worn out". My disk gets 001. So I wonder what happened: 186k start/stop cycles in 7820 hours is about one start/stop per 2.5 minutes around the clock. This seems somewhat excessive for a computer that sees actual use once or twice per day. (The RAID disks are normal, averaging to one start/stop per day, as expected.) Does anyone have similar experiences, or pointers to what might be the issue here? Specifically I'd like to know Why the massive start/stop count? Do I have some sort of configuration issue? Could there be a background service that is causing trouble? Could having a laptop disk as the OS drive be part of the problem? Can anyone confirm or deny this? Here is the /etc/hdparm.conf configuration /dev/sda { apm = 127 spindown_time = 120 } and the most relevant parts of smartctl --attributes /dev/sda: smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 001 001 000 Old_age Always - 185875 9 Power_On_Hours 0x0032 090 090 000 Old_age Always - 7820 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 109 193 Load_Cycle_Count 0x0032 118 118 000 Old_age Always - 246833 194 Temperature_Celsius 0x0022 107 098 000 Old_age Always - 36 As I generally prefer my drives to last more than a year, any advice is appreciated.

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• What to look for in a reliable backup hard disk?

  - by Senthil

  I want to buy an internal hard disk and use a docking station along with it for backing up important data. The size will be around 500GB to 1TB. I have a budget and several models fit into it. So far, they only seem to vary in size, speed and brand. These are the only things I can compare from the specs. I guess asking for which brand is best is completely subjective so I won't do that. I want my disk to have long life and be reliable. Doesn't matter if it is somewhat slow. Size: Should I go for the one with highest size within my budget? Will higher density cause problems? Or should I go for a moderately sized one? Does the number of platters have an impact? Speed: I do not want high performance. I want it to be reliable and last long. I am definitely not going to choose the expensive 10,000 rpm ones. Should I go for 5400 or 7200? Do these numbers affect longevity and reliability? Are there any other technical and objective factors that I should look for?

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• How would I force Debian to use the physical sector size on a hard disk?

  - by Confused User

  I just purchased a few new 3TB WD drives. These have physical 4k sectors, but there is some sort of layer which is providing 512B logical sectors (see the partition table below). In order to attempt to get some more speed out of my hard drives, I would like to get rid of this logical layer and actually use the physical 4k sectors. However, I can't figure out how to do this (or even if it's possible) from the man pages of fdisk and parted, or from searching Google. Does anybody know how this could be done? As to why this is relevant, this page demonstrates that meerly aligning the sectors properly can already make up to a 25% speed difference for reads, and more than 2500% for writes in some cases! Getting rid of the logical sectors in favor of the physicals ones should improve speeds even more. Thanks! $ parted /dev/sdc GNU Parted 2.3 Using /dev/sdc Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) print Model: ATA WDC WD30EZRX-00M (scsi) Disk /dev/sdc: 3001GB Sector size (logical/physical): 512B/4096B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 3001GB 3001GB zfs 9 3001GB 3001GB 8389kB P.S. I don't care about the data on the drives, I was just playing with different file systems. Also, this is my first time posting here, so please let me know if my posts should be formatted differently, etc.

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• Can I clone my hard drive to an external and boot from the clone?

  - by willbuntu

  First thing: I am not asking what software I'm supposed to use. I already know the answer: Ghost (proprietary), Clonezilla, and dd (if I'm careful). What I really want to know is if it is possible to (essentially) bit-for-bit clone my entire installation (OS, installed software, activation(s), etc.) to an external USB hard-drive, and then boot off of that (if I need to, I know how to edit BIOS settings and use Plop boot manager), and work with it day-to-day as if there was virtually no difference from using my internal HDD now. Again, I'm not asking how to install Windows to an external (because I know I'd need to do some special workaround), I'm asking if I can clone everything and boot off of it. In case you're wondering why I'm going to this trouble: I'm using a Lenovo Essentials laptop that has an unmodifiable partition table (due to recovery crap), and has all 4 of its partitions spoken for (3 primary, one extended, cannot change the extended). Anyway, my thought is that if I can clone everything and boot off of it when I need to, and just have a Linux distro on the internal HDD, then that could work.

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• HFS+ hard drive being mounted as read only

  - by DNA

  This is a recurring problem and occurs a few times a week. I have an external hard drive which is hfs+. Every couple of weeks, for no obviuous reason, when I mount it by pluggin it in to my Ubuntu 11.10, it is read only and I can't copy any files into it. I gksudo nautlius and change the ownership and it magically works in some time. But returns to the read only state soon in a few hours-days without any rhyme or reason. Right now my fstab doesn't have any entry for my hard drive. What gives? What in the world is going on with Linux/HFS+? This is frustrating. I can't reformat my hard drive because I have almost a terrabyte of data in it and no receptacle to hold it while I reformat it.

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• remove failed ubuntu installation

  - by kapitanluffy

  i tried installing ubuntu alongside windows 7 Installing Ubuntu alongside Windows and i failed so i decided to go with wubi again. after installing it, i noticed a separate hard disk. i investigated and found out that this hard disk is actually for the failed installation. i don't know where to find it inside the windows system. can anyone please teach me how to remove the 'failed' hard disk. here's a screenshot the left side is the current filesystem. the right side on the other hand is the 'failed' harddisk. i verified that it is the failed one because the wubi installation will provide a 'host' folder for the current partition it is currently installed. i tried looking for the 'failed' one using the windows' commandline but i don't know where to look for the 'failed' disk. (i used the cmd coz i don't want root.disk to mysteriously disappear again.) see http://ubuntu-with-wubi.blogspot.com/2011/01/mystery-of-disappearing-rootdisk.html

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• Using GParted to rescue data and format hard drive to NTFS

  - by Ishan

  I'm having problems booting to Windows XP due to bad sectors on the hard drive. I've tried fixboot and fixmbr from the recovery console. That only made matters worse. Now I want to use GParted to attempt data rescue and format the hard drive to NTFS. Unfortunately, I get an error (Picture 2) when trying to recover my files, and the option to format the hard drive is grayed out. The only thing I can do is create a new partition. When I click "view" I get the "Unable to open the default file manager" error

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• Windows 7 can't boot with Ubuntu on different hard drive

  - by dellphi

  I use a dual boot with two hard disks and two OS is Ubuntu 10.04 and Windows 7. Windows 7 installed on the first disk, first partition. Grub is installed on a second hard disk MBR, and Ubuntu installed on an extended partition on a second hard drive. When I select Windows 7 on the Grub menu, the HDD lamp lights up briefly and then black screen on the monitor, with the status of the keyboard is still functioning. Until now (with the default boot from first HDD), I have to press F12 to get into the Grub to run Linux on a second HDD. output of fdisk -l grub.cfg. I want to retain Grub to remain on the second HDD, and Windows 7 could choose from the menu provided by Grub. But I do not get how, I hope anyone can help.

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• Can't mount external hard drive

  - by tezza

  i have a problem accessing the data on my external hard drive. I recently did a fresh install but mistakenly left my external hard drive plugged in. When I tried to access the data on the external HDD, it says "no files" but recognizes that there is 290 GiB of data on it. The HDD is 350GB big. I checked the drive with Disk Utility and it showed that the hard drive had a bootable flag. So, in the edit partition, I unchecked this bootablity. Now it won't mount in Ubuntu and now my XP can't recognize it at all, whereas I could access the data on the XP machine before. In disk utility, it doesn't give me the option to check the bootable box in again and I can't access the data on XP either. Any ideas on how to fix it?

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• new hard drive on Dell Adaptec 2610SA 6 port SATA RAID PCI card

  - by Ragnarok85

  I have a Dell Adaptec 2610SA 6 port SATA RAID PCI card with 3 hard drives on it and everything works fine. I plugged another hard drive to it and the system (Ubuntu 12.04, 64 bit) seems not to recognize it. Strange thing is that, as happened in the past, if I re-install the system, it recognizes the new hardware plugged to RAID card. Of course I don't want to re-install ubuntu each time I plug a new hard drive on my RAID card. Any idea? Thank you in advance

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• Windows 7 can't boot with Ubuntu on different hard drive

  - by dellphi

  I use a dual boot with two hard disks and two OS is Ubuntu 10.04 and Windows 7. Windows 7 installed on the first disk, first partition. Grub is installed on a second hard disk MBR, and Ubuntu installed on an extended partition on a second hard drive. When I select Windows 7 on the Grub menu, the HDD lamp lights up briefly and then black screen on the monitor, with the status of the keyboard is still functioning. Until now (with the default boot from first HDD), I have to press F12 to get into the Grub to run Linux on a second HDD. output of fdisk -l grub.cfg. I want to retain Grub to remain on the second HDD, and Windows 7 could choose from the menu provided by Grub. But I do not get how, I hope anyone can help.

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