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  • Linux data storage and partitioning

    - by Rajeev
    In the following output of df -h you can see that i have added a new hard drive(/dev/hdd1) and have mounted as /hdd1. My question is if I start dumping data to /opt will that data be mounted in /hdd1 or / My goal is to utilise the new hdd1 instead of old disk(/dev/sda3). How can this be done? Filesystem Size Used Avail Use% Mounted on /dev/sda3 442G 312G 12G 86% / tmpfs 1.9G 0 1.9G 0% /dev/shm /dev/sda1 194M 57M 128M 31% /boot /dev/sdb1 1.7T 201M 2.6T 1% /hdd1

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  • My hard disk does't get recognized

    - by SteveL
    For a few days now I have a problem with my 500GB internal hard disk. I am on Linux Mint 13 but I have the same problem with my Windows installation. When running fdisk -l I can see my hard disk (same on BIOS) but I can't mount it even via the disk utility program. In Windows XP I can see it on the My Computer menu but when I click it, it say's: D:\ is not accessible The file or directory is corrupted and unreadable Is there a way to fix it? Or at least save some of my files and format it? Should I be thinking about the worst-case scenario e.g. my HDD is dead? Edit: The filesystem is NTFS.

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  • Computer not booting, black screen, no beeps

    - by Michael Gaddass
    I bought a pre-owned computer on Ebay. It booted fine, had to reset due to it not detecting USB mouse, but it detected the USB keyboard. Booted fine again, then I tried to install Ubuntu Desktop, when it was installing I got a phone call, when I'm answering it, I find a Blue screen of Death. I reboot the computer and nothing, no BIOS boot, no beeping, but one of the fans was on. I opened the cover and found a large amount of dust, removed it, still not booting. I'm a complete novice with computer repairs, the most advanced thing I did was take a 286 harddrive and replace a 486's damaged harddrive with it (put the drive into the 486 that is), what could possibly be causing this?

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  • Enlarge partition on SD card

    - by chenwj
    I have followed Cloning an SD card onto a larger SD card to clone a 2G SD card to a 32G SD card, and the file system is ext4. However, on the 32G SD card I only can see 2G space available. Is there a way to maximize it out? Here is the output of fdisk: Command (m for help): p Disk /dev/sdb: 32.0 GB, 32026656768 bytes 64 heads, 32 sectors/track, 30543 cylinders, total 62552064 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000e015a Device Boot Start End Blocks Id System /dev/sdb1 * 32 147455 73712 c W95 FAT32 (LBA) /dev/sdb2 147456 3994623 1923584 83 Linux I want to make /dev/sdb2 use up the remaining space. I try resize2fs /dev/sdb after dd, but get message below: $ sudo resize2fs /dev/sdb resize2fs 1.42 (29-Nov-2011) resize2fs: Bad magic number in super-block while trying to open /dev/sdb Couldn't find valid filesystem superblock. Any idea on what I am doing wrong? Thanks.

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  • Automatically creating volume partitions on boot

    - by Justin Meltzer
    I followed this guide: http://www.mongodb.org/display/DOCS/Amazon+EC2+Quickstart to set up Mongodb. It had me create a RAID 10 array out of the four devices on EBS. Then it had me create a physical volume, a volume group, and three logical volumes out of that RAID 10 array. Lastly it had me create ext4 filesystems out of the logical volumes and mount them. Now the quickstart guide had me put two things in place so that these steps would be replicated on reboot of the system. It had me add some instructions to the mdadm.conf file to automatically create the RAID 10 array, and it also had me add instructions to the fstab file to automatically mount the filesystem for each logical volume. However, the quickstart guide does not have anything for automatically creating the logical volumes from the RAID 10 array. I checked my system and see that each of the four devices are part of a RAID array: $ sudo mdadm -Q /dev/sdh1 /dev/sdh1: is not an md array /dev/sdh1: device 0 in 4 device unknown raid10 array. Use mdadm --examine for more detail. However, the filesystem is never created or mounted from fstab because it's trying to mount it from logical volumes that were never created (or so it seems). My question is, how can I automatically accomplish all the steps from the quickstart guide on a reboot of the system, and what config file do I need to add data to so that I can automatically create these volume partions after the RAID 10 is created but before the filesystem is mounted. Also I'm unsure whether fstab actually creates and mounts the filesystem or just mounts the filesystem.

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  • Disk partition errors after size change

    - by benjamin.d
    I increased the disk size of one of my VM when it was running. After a reboot, I get the following error message (at boot time): Mounting local filesystems...failed Now the VM is only accessible through ESX console (not through ssh), and nothing is working anymore.... I already tried to run fsck, but without success. The result of mount: The result of blkid: The result of fstab: Thanks for your help

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  • Why does Ubuntu 10.04 not see my hard drives?

    - by CT
    I am trying to install Ubuntu Desktop 10.04 64bit to a new machine. mobo = gigabyte x58a-ud3r cpu = i7 930 ssd = Kingston 64GB V+ hhd = wd 1tb black When the installation gets to the prepare partions step, no partitions are listed. Drives are recognized by BIOS and WinXP setup sees them. I have also tried Ubuntu 9.10. It does not see the drives also. Just searching around I found a suggestion to select "no dmraid" in additional options screen. This did not seem to help. Any ideas?

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  • Booting Windows from different partition than system

    - by szamil
    I have bought an SSD disk, but my laptop (Dell Precision M6300) refuse to use it as a target disk for windows (AHCPI on/off, BIOS up-to-date). I can't exchange the disk unfortunately... But fortunately, I've managed to install windows using USB disk case. The problem is, that when I put that disk as my internal drive it can't boot. (Disk read error, Three Finger Salute ... ) So I tried with Linux (openSUSE), I manage to install it as well, but when I tried to boot GRUB from internal drive I get errors again. (Should I try GRUB2?) I figured out that I can boot into that internal hard drive's openSUSE system using small USB drive with GRUB, kernel and image on it. So, I just run GRUB from USB drive, it loads necessary stuff from the USB drive and then continues from the internal drive. I want to do the same with Windows. But GRUB (rootnoverify and chainloader +1) does not boot my windows on internal drive. The question: is there any chance to copy the critical windows' boot files into the USB drive, to make it possible to boot from that USB drive, but continue booting from internal (different in general) drive? The USB drive would became a system hardware key! ;-) Disk: Plextor M5S 128GB Sata III, laptop has Sata II, but it's compatible anyway, right?

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  • FDE / SSD - partition and leave some unencrypted?

    - by Web Design Hero
    Just bought a used beast of a desktop pc. The system drive is setup as a Raid 0 SSD (Intel 510 SSD Drives) with 128 each. I will probably not have to many programs beyond office and maybe Adobe CS if I spring for it, I will be keeping big data on a regular hdd. My question is about setting up TrueCrypt with my configuration. I have not previously done full disk encryption, but I feel that its probably a good idea. I have done some speed tests using file containers on the hdd and the sdd with truecrypt. While there is a huge hit with the SSDs and Truecrypt, it still outperforms the hdd on its own by a good margin, so I think i will be okay for my needs with truecrypt. I have seen in a few places that they recommend partitioning the drive and leavign some of the SSD not inside truecrypt, does this really make a difference? If so, how much should I leave? Will there be any issue in the Raid0 configuration? I am not really concerned about all the wear leveling issue, rather loose data and be secure, but since I don't need all that space neccesarily, I would like to optimize my setup for security and speed.

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  • Best way to copy large amount of data between partitions

    - by skinp
    I'm looking to transfer data across 2 lv of an HP-UX server. I have a couple of those transfers to do, some of which are mostly binary (Oracle tablespace...) and some others are more text files (logs...). Used data size of the volumes is between 100Gb and 1Tb. Also, I will be changing the block size from 1K to 8K on some of these partitions... Things I'm looking for: Guarantees data integrity Fastest data transfer speed Keeps file ownership and permissions Right now, I've thought about dd, cp and rsync, but I'm not sure on the best one to use and the best way to use them...

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  • Shrink NTFS Partition Windows 2003

    - by Coops
    We have an iSCSI target provided by a CentOS server attached to a Windows Server 2003 Standard box, formatted in NTFS. My question is this - I know we can resize the backend block device fine (LVM et al.), however how do you tell Windows the NTFS filesystem has shrunk afterwards? [note we want to shrink]. I'm imagining a world of pain if it's not done correctly! This is a production box, so ideally we'd like the process to keep the drive mounted and online during the process, but downtime can be scheduled if need be. 90% of what I've found on the subject so far basically involves using the 'ntfsresize' command in Linux to do the job -- but surely Windows can do this itself? Cheers!

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  • mdadm lvm and ext4 slowness - How can I speed it up?

    - by beatbreaker
    I can't figure out why I'm getting such terrible times out of my mdadm and in particular the lvm partitions in it. I made the raid: mdadm --create --verbose /dev/md0 --level=5 --chunk=1024 --raid-devices=4 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 # cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] md0 : active raid5 sda1[0] sdd1[3] sdc1[2] sdb1[1] 2930279424 blocks level 5, 1024k chunk, algorithm 2 [4/4] [UUUU] I then created the physical volume, volume group, and logical volumes, I then formatted the logical volumes to ext4 using the following commands I got from here: http://busybox.net/~aldot/mkfs_stride.html mkfs.ext3 -b 4096 -E stride=256,stripe-width=768 /dev/datavg/blah Now I'm confused, I had these lvs running real quick before in mdadm but now that I've 'optimized' everything it's slower, eg, before: /dev/datavg/lv_audio: Timing buffered disk reads: 598 MB in 3.01 seconds = 198.85 MB/sec but now after: /dev/datavg/audio: Timing buffered disk reads: 198 MB in 3.00 seconds = 65.96 MB/sec That's pitiful! What's happened here? Did I not follow the instructions correctly? Can i reshape the ext4 partitons to default back to what they were? (I used defaults before and they were fine!)

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  • Which is the recommended filesystem for VMware Server / ESXi?

    - by elitalon
    We have a couple of servers in office with VMware Server as virtualization solution. We are planning an upgrade of our infrastructure. Some servers will remain with VMware Server, but we want to migrate some others to VMware ESXi. In both cases we are making a fresh install, and I wonder if there any suggestion/guidelines regarding the host filesystem and its partitions. EDIT: We are using local storage instead of SAN/NAS external storage, because we are not sure if it is worth it to use them given our office size/requirements.

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  • Accessing the partitions on an VLM volume

    - by projix
    Suppose you have an LVM volume /dev/vg0/mylv. You have presented this as a virtual disk to a virtualised or emulated guest system. During installation the guest system sees it as /dev/sda and partitions it into /dev/sda{1,2,5,6} and completes the installation. Now at some point you need to access those filesystems from within the host system, without running the guest system. fdisk sees these partitions just fine: # fdisk -l /dev/vg0/mylv Device Boot Start End Blocks Id System /dev/vg0/mylv1 2048 684031 340992 83 Linux /dev/vg0/mylv2 686078 20969471 10141697 5 Extended /dev/vg0/mylv5 686080 8290303 3802112 83 Linux /dev/vg0/mylv6 8292352 11980799 1844224 83 Linux However, the devices such as /dev/vg0/mylv1 do not actually exist. I guess that because they're within an LV, the OS does not recognise this type of nesting by default. Is there any way I can prod Linux so that /dev/vg0/mylv1 or equivalent appears and thus becomes mountable within the host system? I understand that it's possible with qemu-nbd, and will use this if necessary. However, I was hoping for something more direct if possible, rather than simulating a network block device and attaching that.

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  • Is it possible to have two HDD's, and both be primary?

    - by qwerty2
    Here is my configuration: C: - system/Windows XP HDD D: - empty I just added a new hard drive (D) and formatted it and made it a primary HDD. Since then Windows hasn't been able to boot. Is the computer able to have both the system and the new HDD as primary? If not, then that is why Windows isn't booting. If it IS possible, then I have no idea what the problem is. Any help or thoughts would be fantastic! thanks!

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  • How can I create a partition without the usage of Live CD nor USB?

    - by Ariel
    ¿Cómo crear una partición sin usar live CD ni USB? Is it possible to create a partition when using the system? When I try to do it on gParted, it seems that the options are disabled because of the disk is mounted and it cannot be unmounted because of I am using it in the system. I wish to create a new partition without removing or affecting the file system; just creating a new partition, but without the need to use a Live CD or USB. ¿Es posible crear una partición estando en el sistema? Ya que cuando lo intento desde GParted, al parecer están desactivadas las opciones porque la unidad está montada y no se puede desmontar ya que estoy usando el sistema. Quiero crear una nueva partición pero sin quitar o afectar el sistema de archivos; sólo crear una nueva partición, pero sin live CD o USB.

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  • Why does the first partition start at sector 34 when I choose "Guided - Use entire disk" during install?

    - by Kent
    After choosing "Guided - Use entire disk" during installation I find that the first partition starts on sector 34. Why that specific sector and not the first one? (parted) print Model: ATA WDC WD30EZRX-00M (scsi) Disk /dev/sda: 5860533168s Sector size (logical/physical): 512B/4096B Partition Table: gpt Number Start End Size File system Name Flags 1 34s 390659s 390626s fat32 boot 2 390660s 890660s 500001s ext2 3 890661s 5860533118s 5859642458s (parted) In case you prefer bytes as the unit: (parted) unit B (parted) print Model: ATA WDC WD30EZRX-00M (scsi) Disk /dev/sda: 3000592982016B Sector size (logical/physical): 512B/4096B Partition Table: gpt Number Start End Size File system Name Flags 1 17408B 200017919B 200000512B fat32 boot 2 200017920B 456018431B 256000512B ext2 3 456018432B 3000592956927B 3000136938496B

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  • How do I scan my windows partition for viruses from Ubuntu?

    - by Alvar
    I think I might have a virus on my windows partition and I want to scan it Ubuntu. Is this possible? I would like a program that is free. clamAV I tried clamAV but I couldn't find a setting for scaning my other partition that I have windows on, it scaned my Ubuntu disk and that was fine. Antivirus Within Windows I can't use my Windows partition since the virus make my laptop freeze every time I log in. And I don't want it to spread or make more damage than it might have done already.

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  • Is it Possible to Repair Boot Record on Windows Vista Partition on Dual Boot Ubuntu 12.04.02 LTS Install?

    - by PasBonRJB
    I recently successfully installed Ubuntu 12.04.02 Desktop as a "side-by-side" on an eMachines ET1641-02w PC; which before had Windows Vista; but was no longer bootable, because the boot sector somehow got trashed. After I installed Ubuntu I can go to Devices/OS and I can access all of my docs, pics, videos, music, etc. on the Windows Vista partition; but I still can't "boot" the Windows partition. I've seen several posts regarding recovering boot sectors using the Boot-repair app; but am wondering if this "boot-repair" is only for the Ubuntu partition. Can I use "boot-repair" to repair the Windows Vista boot sector?

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  • How do I recover a BTRFS partition that will not mount?

    - by Tony
    The installation for 12.04 kept failing, and the solution was to have the installer ignore the btrfs partition that I have previously been using for /home. Now that it's installed, I've been trying to get it to mount the btrfs partition so that I can access my 70GB of files. It won't mount, and btrfsck errors out with the following three lines: parent transid verify failed on 31302336512 wanted 62455 found 62456 parent transid verify failed on 31302336512 wanted 62455 found 62456 parent transid verify failed on 31302336512 wanted 62455 found 62456 Can someone please tell me how to get this partition working? I've read online that I can probably recover the data using btrfs-restore, but I can't find that program anywhere.

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  • Convert this SQL Query into LINQ (OVER (PARTITION BY Date))

    - by user1106649
    Here's the query i'm trying to convert into Linq: SELECT R.Code, R.FlightNumber, S.[Date], S.Station, R.Liters, SUM(R.Liters) OVER (PARTITION BY Year([Date]), Month([Date]), Day([Date])) AS Total_Liters FROM S INNER JOIN R ON S.ID = R.SID WHERE (R.Code = 'AC') AND FlightNumber = '124' GROUP BY Station, Code, FlightNumber, [Date], Liter ORDER BY R.FlightNumber, [Date] Thanks for any help.

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  • Ubuntu 9.10 Server (minimal virtual machine) partitioning

    - by John
    I am setting up a generic Ubuntu server and am trying to figure out the (best) way to partition the machine. Again, this is just a generic one: The default drive is 20GB. Some guides show: Separate /home, /usr, /var and /tmp partitions Another one suggested something like this: / 4GB /boot 512MB /tmp 1GB /home 5GB /usr 5GB /var 5GB What is the best way to accomplish this?

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