Hardware :: Access Data From Old LVM Drive
Jun 12, 2009
I have a server which had one drive in it that was using LVM. I removed it and moved it to the secondary bay in the same server, then installed a fresh new blank drive in the primary bay on this server.
I then installed CentOS 5.2 on the new drive. During the partition phase of the install, I partitioned my new drive and MAY or MAY not have removed the LVM from the second drive and left the partition there, not sure exactly what I did.
After install I wanted to try to mount the old drive so I could access the files on the old drive. The /boot partition shows up when I do a df -h but not the / partition where everything I need is stored.
When I look at the drives in Webmin, the second drive is there and shows up as LVM but has not LVM name.
Basically what I need is on /dev/sdb2.
How I might be able to mount this partition which seems to still exist when looking at webmin.
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Jul 30, 2009
I've got an old EIDE hard drive that used to be used for a dual-boot WinXP and Linux (not sure what version - either RH9 or FC1), and I'd like to pull some data off it. That computer died, and I reformatted the Windows partition, but left the Linux portion alone. My current Linux (FC10 + XP) computer uses a SATA hard drive, and I'd like to get the data from the old drive to the new one. I've connected the hard drive normally, jumpered as a slave drive. Linux now boots normally, but I can't access the older hard drive. I tried the techniques in the following thread: [url] and commented there (with more info), but I thought I would be more likely to get a response by starting a new thread.
Here's a summary of what happened: ran "fdisk -l": the command saw both hard drives ran "tail -f /var/log/messages" and got the following: Jul 30 16:00:44 localhost kernel: EXT3 FS on sdb8, internal journal Jul 30 16:00:44 localhost kernel: EXT3-fs: mounted filesystem with ordered data mode. Jul 30 16:00:44 localhost hald: mounted /dev/sdb8 on behalf of uid 500 sdb8 was a FAT partition I had set up for moving files back and forth between XP and Linux (none of the other partitions were reported). ran "vgscan", which only returned one volume group When I ran FC10's Local Volume Management tool, it sees the hard drive and its partitions, but reports them as "Uninitialized Entities".
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Jun 20, 2011
My servers (10.10) motherboard has failed so to access my data I've taken the hard drive out and tried to connect to it via my ubuntu desktop (10.10). I've tried it in a hard drive caddy and installed in my pc, but could only see a 255Mb Filesystem with a few folders and files on it. how to mount the portion of the disk that I can't see? Ie. the part with all of the data on it.
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Sep 12, 2010
I've got Debian Lenny on dual boot with windows. My windows shows up a OS in computer, if I try to open or mount I get "nvalid mount option when attempting to mount the volume 'OS'." I've tried to install some NTSF programes from apt-get but none help.Can I install something that will allow me to access data on the windows drive? As I'd like to access some files.
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Feb 19, 2011
We purchased a new database system at work last October, ditching the old system because of a lack of support from the vendor. This is a retail Point of Sale and Backoffice database system. I am not sure what system the new one runs on, but the system we replaced was a Firebird data base. The reason I am posting is because we are now in need of the information contained in the old database which was not completely imported into the new system.
Basically the problem is this: The database in on a Windows XP system and I found a copy of SQL Manager Lite 2008 on the system, which after quite a bit of studying, I figured out how to extract the database into a removable file. I have this file (178MB) on a USB stick in a file called Backoffice.fbd.
My studying suggests to me that I can get into this database with MySQL. I have never used this and have no clue how to do this. All I want to be able to do get into the database and create tab deliminated spreadsheet files for each of the database sections (Customers, Repairs, Sales History, stock files, etc.) Is it possible to do this with Ubuntu and MySQL and if so, can expert suggest one or two things to get me started. While a guided tutorial would be nice because I am not an expert, I am willing to learn on my own if someone could point me in the right direction.
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Jan 13, 2010
- 160gb is where i install CentOS (pretty much the hard drive for operation system) - Lets call this drive A
- Two 1TB drives run in RAID 1, using software RAID (this is where i will store personal data, pictures, movies, music, etc...) - Lets call this RAID 1 setup drive B
I am planning to run a virtual Win Server 2008 using Xen and have that be my domain controller. I will use samba to share drive B and have the network drive map when user login to the domain.
- If for some reasons i have to reinstall CentOS, this pretty much mean drive A will be formatted and reinstalled. Knowing my self i probably will goof up some config in CentOS and will need to reinstall the OS to fix it. Since drive B will be the centralize location for my home network, i dont want to lose the data. Will i be able to re-setup the RAID setup of drive B and still have all the data stored on it intact after a reinstall?
- Is the separation of OS drive and data drive recommended?
- Are there any better way to accomplish my setup? I am pretty much just looking to make a linux file server and windows on client's end.
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Mar 11, 2010
I have two external hard drives. One is a 2.5" 80GB USB HDD and the other is a Seagate 3.5" USB 500GB HDD. Both hard drives are mounted properly and I can access the data on both hard drives. I can access the small 80GB HDD via ssh from another computer and delete files, but when I try to access the 500GB drive via ssh it says access denied. When I try to access it with root, I can access it but I cannot see any files listed.
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Feb 6, 2010
I just installed opensuse 11.2 and was invented with a issue where usb was not detected by the OS.
i tried lsusb no details were display
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Oct 7, 2010
I want to load ubuntu on my home pc. I have two hard drives but not have enough dvd's to back everything up on #2 hard drive. If I load ubuntu on drive 1 can I get in two drive two?
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May 26, 2011
I am running a hp dv701175nr laptop and am booting ubuntu 11.04 from a usb flash drive. I can not seem to find my internal drive that has windows 7 stored on it. I tried to mount it but it give me this error:
Error mounting: mount exited with exit code 1: helper failed with:
mount: according to mtab, /dev/sdb1 is already mounted on /
mount failed
I can't use this operating system if I can't access my windows 7 drive and I really want to use this OS .
EDIT: Okay, so I think I have found my problem, but I don't know how to fix it, there are differences in my mtab and fstab commands, I will post what they say in a second, but I do not know how or what I need to do to change and make the settings right
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Aug 25, 2010
On my Mac, OS X Snow Leopard 10.6, I copied my itunes music files onto my external hard drive, which is HFS+ formatted (as FAT32 just wouldn't cut it for the other files that are on this drive, mainly 1080p video spanning several gigs on a single file)..
Here's the problem, Linux doesn't have ANY permissions it seems to access it.. I did nothing special on the Mac side, just drag and dropped all the files over.
As a normal user I can't open the folder. As root, I can go into the folder, but still can't access the files themselves!
I can't write to it either to change permissions because HFS+ is read only.
I need these files IMMEDIATELY, and I need to know how to do this now.
Normal user: [URL]
As root: [URL]
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Jul 20, 2010
I want to access the data from win 7. I want that to mount in linux .
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Feb 1, 2011
I have been tasked with accessing data stored on a WD Sharespace drive. I have a machine running Fedora 13 at my disposal to do this. So far I am running into dead ends. The drive is connected via Ethernet, but I have never accessed a network drive in Linux before.
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Apr 24, 2010
My laptop died. I was running FC11. I have taken my harddrive out and connected it to an usb-adaptor and mounted it on my FC11 desktop. However, when I open it all I see is grub. Palimpsest sees both the 250MB of grub and efi etc., and it also sees 120GB of LVM2. I cannot however access any of my data.
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May 13, 2011
I'm looking for a way to access the raw data on a CD.I have a small program that I'm using to play raw PCM data pushed into stdin.I'd assumed that I could just use:play-pcm < /dev/cdromBut this isn't producing any data.Will I need to do this programatically or is there a simple way for me to grab raw data from an audio cd in the same way I might do so for a data cd?
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Apr 20, 2010
its sara I have a series problem and I need help soon my problem is in logging in my account users in ubuntu and that happen after I delete the file .ICEauthority from home and then I reboot and I want to access the data that in my usr account, when I reboot the log in screen changed and I can not log in at any usr any more.
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Jan 23, 2010
A while back I've been playing with the idea of setting up one of my machines as some sort of data server and would like to access it through SSH. I've already conducted some tests through the wireless router and apparently on the software side there are no issues with the SSH thing. I also noticed that since the same adapter was in use (wireless) SSH 'fought' with the Internet for the bandwidth
In order to avoid the aforementioned problem and also in the spirit of enhancing security I am thinking of setting up the following network scheme with two laptops and two routers (a wired and a wireless one):Both laptops would receive the Internet service through the wireless router. Both laptops would be connected through their Ethernet ports to the other router. The wired router wouldn't be connected to the Internet. Would this set up allow me to use SSH only through Ethernet thus eliminating possible bottlenecks in the wireless network? I am operating in the assumption each machine would have two different IPs (one per router), is this correct?
For some weird reason (default network device?) when I connect the Ethernet cable to the laptop, although NetworkManager claims to be still connected to the wireless network, I can not connect to Internet (the wired router has no Internet BTW). But if I unplug the Ethernet cable the Internet continues through the wireless network.
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Jul 3, 2010
I figured I could just go in to my Kubuntu desktop and look at the drive. But it has only a lost and found and grub folder with a few files on the root named config-[version]-server (note this is a SCSI). Guessing I'm looking at the boot partition? So how do I mount the other partitions? When I do a fdisk -l I see 3 sdb 1,2,3 (2 and 3 are large, 1 is my boot partition) but when mounting them I get wrong fs type. I was sure its ext3 ( also tried 2 and 4 )? I just left the default 7.04 fs when I installed it. I'm able to put it in my desktop and my server but for the life of me I can figure out how to get at the data.
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Jan 18, 2011
I have a data in existing kernel & I need to update a new kernel version so afer the upgration , how can I access the data from the previous kernel.
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May 4, 2010
Yesterday, I upgraded to the 10.04 verion of xubuntu. Looks fine. However, I keep my data on an NTFS partition of my dual boot laptop, and am finding that I can't access it.
I have a symbolic link to that mounted partition, and when I click on it, I can see the first level of folders, but I can't execute them (even though they seem to be set to 777) and I can't open anything...
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Oct 21, 2010
What app/util for Ubuntu Server 10.10 would allow me to browse and download data stored on the server via a website interface similar to Windows home server?
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May 14, 2009
Before the other day, I'd copied a live CD to ramdisk and run it from there before, but the disk was INX (INX is not X), a live CD based on Ubuntu that runs entirely in the text mode, no GUI. INX is a terrific product: colorful, educational, light, agile, fun to use, and and often damned useful, but when an OS only uses text, you may not notice how much running from the RAM speeds up an OS. Previously, I'd assumed that the best reason to run a Live CD from the RAM was to free up the CD ROM drive. When I started running a full KDE 3.5.10 Desktop from the RAM, it didn't take me long to notice the awesome boost in speed and performance.
The computer has the fastest access to the data that's in the RAM. (The "A" in "RAM" stands for "access", right?) So the machine is faster. As the RAM gets larger, I'm sure more and more live CDs are going to offer the RAMdisk option. Right now both INX and SLAX share the characteristic of being exceptionally small CDs, and that makes them well suited for this kind of application. The "minimal" version of Slax, the basic CD without any modules added, is less than 200 mbs, which fits very nicely on my 1024MB RAM. I now use the minimal SLAX cd to initiate the system, and I keep a collection of the modules on my hard drive to copy to the RAM and activate at will.
Here's a couple of screenshots: [URL] I'm using Wine here to run my one and only favorite Windows program, a text to speech program called READ PLEASE. Note that I am also running KTorrent, which is uploading from and downloading to my external MyBook hard drive. [URL]. Here's a shot of yakuake, which is sort of like Konsole with superpowers. I just upgraded my hard drive KDE system to 4.2.3, and they still haven't fixed Yakuake yet. I know it's been reported, so I'm sure it'll be taken care of.
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Mar 14, 2010
I am trying to access data that is on a Raid 5 array in Ubuntu... There are 4 installed disks (250gig disks) - 3 of which are setup as a Raid 5 array (the 4th is active but unused). These show up as one large drive (498gig). I have had an issue with the drive where it is no longer allowing Windows to boot - I receive a disk read error on boot (so the OS does not load, obviously!) - what happened was basically I unplugged then replugged in one of the disks which affected the array... I physically reconnected everything as it was, I then had to 'reactivate' the disk in the Raid BIOS... at that point the array seemed OK, was the right size, etc (and was listed as "Optimal" in the Raid BIOS) however, the problem with the disk read error persists.
I have started the machine using Ubuntu v9.10 from a CD (non-destructive mode) and it shows a disk of the right size (ie: on the desktop and in Nautilus it says "498gig Filesystem" ). However, in Nautilus, the disk appears empty with no folders or files on it (even with hidden files shown).... If I view 'Information" for the disk it shows 67gig used space and 399gig free space (which is correct). Also, if I view the disk in Gparted, it shows a disk with about 67gig of used space and 399 free space on a 464gig disk (with 8gig unallocated). One more thing.... when I try the command 'sudo dmraid -tay' it says that there is no raid disk (there are in fact, no drives plugged into IDE or SATA slots - all disk are plugged into the RAID controller card). Anyway, at this stage, I just want to copy the data to a single hard disk if possible and move on.
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Apr 27, 2010
how to access serialport(RS232) data using OpenGL.Heard about SDL(Simple DirectMedia Layer),but didn't get how to use SDL and OpenGL to access RS232 data.
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Feb 9, 2011
I'm running a program called Synergy+ to let my keyboard and mouse control multiple computers. One of Synergy+'s features is that clipboard (copy-paste) data is able to be shared, as in copy on one machine, paste onto another. I would like this functionality removed but Synergy+ has no way to disable it. I'm looking for any ideas to block clipboard data from being transferred. Is there a way to block a program from accessing the machine's clipboard data?
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Mar 15, 2010
I had 2 accounts on a single system. Other users are able to see my data. how to stop other users to access my personal data.
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Aug 13, 2010
I currently have a 1.5TB sata drive connected to my system, with data already on it. In the next few days I am planning to use mdadm to create a raid5 array with another 2 1.5TB drives along with the one I already have. Is it possible to create the raid without losing the data on my current hard drive? Obviously it will be backed up before hand just in case, but it would be nice not to have to restore nearly a TB of data after raid'ing the drives.
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Jun 3, 2011
I'm trying to access data from TFTP server which is running on my fedora 15, when i tried to read that file from TFTP path..i'm getting response as time out.. even i tried to get the data in localhost itself...there also i'm getting same time out.. i tried all permission mode.
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Oct 12, 2010
I have a seperate partition for my "/home" folder. Whenever I install a new distro I format my "/" folder.
This way I was able to access my old home data files since I install using a different username. Everything worked fine until last Sunday.
10.10, unlike other versions of ubuntu, has encrypted my old username in my home folder.
Then using this document [url]
I was able to mount my hard drive again. But all the file and folder names are like this.
Btw I don't remember selecting an option to encrypt my old home directory in the first place, what is this ?
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Jun 1, 2011
computer running ubuntu 10.10 is failing to boot and I want to access the private data in the home folder in order to recover data onto another disk. How do I go about doing this? As far as I can remember its not encrypted but am still unable to access the data to backup.
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