Hardware :: Setup Unable To Access Disk
Feb 8, 2009
It all started when I decided to take the plunge and install Linux, bearing in mind that I am still completely dependent on Windows. I decided to go for Ubuntu, hearing that it is user-friendly and easy to learn. My current machine dual boots to WinXP & Vista. Following the guide regarding pre-partitioning, I decided to delete a partition I no longer use so I can install Ubuntu on there. Using XP's disk management, I deleted said partition, but it somehow also deleted my Vista partition! As a result, I am now unable to boot to Vista. I went back to XP, and ran Partition Magic to fix the partition tables. However, I get an error saying something about the partition's drive letter can't be identified. Decided to resinstall Vista but when it asked me where to install, I noticed that it only shows 3 partitions instead of 4 (my data partition has somehow vanished as well). Then I heard a noise from my HDD, and it suddenly reboots. Decided to log back to XP, but I am unable to boot to XP as well (got BSOD'ed).
Got my XP setup disk to reinstall, but this time, XP setup only recognizes one big partition(250gb).... and below the partition there is a note that says "Setup unable to access disk." I also tried the recovery console, and on the C: prompt when I did the chkdisk, it says something about invalid file path or can't find the path. Tried the Vista install again, it was also unable to access the disk. So what happened? Is my HDD dead? Finally, I thought I'd give Ubuntu a try. Decided to do the "Live CD" first, and wow, nice user interface! Then suddenly, I saw my "data" drive and "winxp" drive! Everything is accessible and all my files were there. I was overjoyed knowing that it didn't wipe out any of my files. So I guess my main question is, should I go ahead and install Ubuntu and will I be able to get those files back? Is there a program similar to XP's disk management? And finally, I know not related to Linux, but how can I boot back to XP?
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Mar 14, 2011
I have successfully set up a multi-seat configuration using 2 nvidia cards with 2 instances of X running at the same time. Thing is now, I can't access my external hard drive or any usb thumb drives I plug in. Normally when they would just open up after I plug them it, I get an error saying "unable to mount, Not Authorized". How I can regain access to this? I am using Linux Mint 10
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Feb 18, 2010
I had very recently installed a new hard drive on my laptop. After installation, I tried to install linux from the CD and followed the instructions. I did not create a partition in the hard drive and carried out the installation procedure. After installation, i tried to start but it would not start...and shows error. I am not sure what I should do ...please instruct me in a step by step procedure to solve the problem
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Sep 17, 2010
I have installed SUSE yesterday.Everything has been fine except two.1. I can't access my hard disk drives. It says it need to install online some software for it but it can't.I am attaching a screen shot of the error I encounter.2. I have Ubuntu installed in another disk drive but in the Grub menu there in no option to boot to Ubuntu OS.How should I change the text in 'menu.lst' to solve the problem?
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May 31, 2010
This is Mushtaq here. I am using CentOS 5.3. Everything works fine regarding Hardware Support except of External Hard Disk. I have a HDD Western Digital 80 GB in USB converted case. Its working fine under WinOS, Fedora 10 / 11 / 12 + & RedHat Enterprise Linux. But CentOS is unable to access it even it does not detect it (fdisk -l command is used to verify the connected disks). Can any one please help me in this regard, I am fed-up of this situation.
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Feb 4, 2010
OS: Debian unstable 32bit, kernel 2.6.32-2, grub 1.98 from late january 2010 (only have working net-access from work now, so I am grabbing information from memory). EXT3 and EXT4 support is compiled into the kernel along with chipset/scsi/sata support (not as modules), and I have tested to boot ext3 with it before proceeding. Prereq: my old disk started to have too much S.M.A.R.T errors, so I bought another one, put in a USB cabinet, added swap and ext4 partition/filesystem to it, and copied over all data from the old system to the new that was mounted at /dest using the command "find ./ -xdev -print0 | cpio -paV0 /dest". Swiched disks, so I now have the ext4 disk sitting at /dev/sda (partitions: sda1 => ext4, sda2 => swap), and booted into rescue-mode from cdrom, using /dev/sda1 as root with a shell on. After doing this, I performed the following commands:
mount --bind /dev /dest/dev
chroot /dest
modified the /etc/default/grub to instruct the kernel to boot using ext4, ran grub-install --recheck /dev/sda
ran update-grub to modify /boot/grub/grub.cfg (which looks as it should) After doing this, grub finds my partition and mounts it. It however stalls with the message: "warning: unable to open an initial console" and does nothing after this point. I have no ramdisk, but my old kernel booted fine from ext3 (and still does if I copy it to a ext3 partition), and since the ext4 support is compiled into the kernel - should I really need a ramdisk?
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Sep 12, 2010
ok so i ran into a problem, im using web min to access my server, and im setting up postfix and, dovecot first problem is i want to be able to access my email account from a web page, with log in, so my question is how can i do that?
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Jun 12, 2009
I've been running a Samba server under RedHat 8 for five years without a hiccup. I want to cut over to a F10 box but cannot get shares accessible. smbclient attempts fail over NT password error. SELinux is disabled. Server is visible on the network. Users require no password access to shared data.
smb.conf follows:
# Samba config file created using SWAT
# from UNKNOWN (>)
# Date: 2009/06/12 14:15:15
[code]....
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Dec 31, 2010
I managed to configure my W890i phone to get access to internet through an ubuntu-based computer. It's very easy to use the phone to give internet access to the computer, but the opposite is quite more tricky. For that I've done the following
----On the phone---
-Set the USB network option to "through computer", so that the phone uses the computer's internet connection and not the opposite.
-Decide and set "Shared Network" parameters: user, pasword and workgroup.
-In "conectivity-> internet connection" set "allow local network" to "yes"
----On Ubuntu 10.04---
-Install samba, samba-client, smbfs, smbclient, firestarter and dhcp3-server
-Configure Samba (System-> Administration-> Shared folders): same workgroup as in the phone, add new user (the phone), passwd this new user. In my case the user was called "w890i" and the password given was the same.
-Once the phone is connected to the computer through USB (then select "phone mode"), a new connection appears in NetworkManager: usb0.The aim is to create a shared network that gives internet access to this device. Edit the IPv4 parameters of this new connection, set them to Manual and give an IP adress (192.168.0.1) and a subnet mask (255.255.255.0); the rest of the fields are left empty.Connect this network.
-Set firestarter to use dhcp3: sudo ln -sf /etc/init.d/dhcp3-server /etc/init.d/dhcpd
-Launch firestarter and follow the wizard. Set "allow internet shared connection", choose the device for the primary internet access, and then the device for the shared network (usb0). Then change the settings for firestarter: activate DHCP for local network, set IP to the one we gave before (192.168.0.1).
-Open dhcp3-server config file sudo gedit /etc/default/dhcp3-server And set INTERFACES="usb0"
-Set the policies of firestarter: in incoming connections, allow connections from the IP adress given to the phone (192.168.0.1). Then add rules for the ports that need to be open for this connection. I opened HTTP, HTTPS, SMB, SMTP, POP3, IMAP, IMAPS, DHCP for all the connections in the local network.
-Apply policies and start the firewall.
------------
After all this, the phone can access the internet through the computer. Two problems appeared:
1. I couldn't get access to https sites, like webmails. The phone gave a "communication error". But then I tried with Opera instead of the browser built in the phone's firmware, and I could finally get to https sites.
2. I couldn't retrieve mail, neither POP nor IMAP nor IMAPS. I thought it was a firmware problem again, and I tried out several mobile phone email clients written in java, but none of them worked.
So this is at the moment the problem. If I connect from the phone to the internet directly through 3G, the email clients work for all my accounts. I don't think it's a firewall problem, because the ports are opened for this connection
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Jun 29, 2009
I am very new to centos and just setting up my disk. I have a dell 1850 with 2 69GB disks. When I get to this screen ( shown below) the disc configuration shows two discs "SDA2" and "69774MB". What I am wondering is this confuration ok. I assume the SDA2 is my secondary disk? Why is it using the secondardy disc and not the primary SDA1?
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Dec 9, 2010
Iīm pretty new to linux and debian and I have a problem with my disk setup. I have a rocketRAID hardware card installed for RAID setup. In addition I have a separate HDD for linux and use the RAID-setup for server purposes. Now, when I boot the system, grub boots /dev/sda1. This does not work and I have to change to /dev/sdb1 for it to find the system files. (although sometimes it works, but in these cases the system does not find the RAID-disks. Thatīs for another time thou).
The strange thing about this, to me in any case, is that "fdisk" reports correctly, with sda and sdb but "df" reports all disks as sda and none as sdb. It also misses a partition of the RAID-disks which fdisk reports. hereīs a screengrab from "fdisk -l" and "df -h"
[Code]...
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Mar 27, 2010
I want to be able to install multiple operating systems on a disk setup with LVM. I am uncertain as to how to go about this.I read somewhere that you can do it, but that only one /boot partition should used for all systems(they are all linux).get going on this? Do I boot from an installation disk and follow that path some how...or is there some other method I should be following? And how do I use one boot partition for all OS's? I had a problem with this once before..so need to ask, especially with the LVM thrown in the mix.
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May 15, 2010
I have a couple of questions here first being can a printer be set up from a live disk and secondly if a printer can be set up how?
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Aug 4, 2010
I want to build a 6xSATA RAID 5 system with on of the disks as spare disk. I think this give me a chance of 2 of 6 disks failing without losing data. I am right?
Hardware: Intel ICH10R
First I will creat a 3xSATA RAID 5, after I will add the spare disk and after that I will add the others disks. This is what I think I should do.
Step 1:
Create RAID Device
Code:
mdadm --create --verbose /dev/md0 --metadata 1.2 --level=5 --raid-devices=3 /dev/sda1 /dev/sdb1 /dev/sdc1
I read that "--metadata 1.2" is the best option. It is true?
Create filesystem on the RAID device
Using this method of calculation:
* chunk size = 128kB (for RAID 5)
* block size = 4kB (recommended for large files, and most of time)
* stride = chunk / block = 128kB / 4k = 32kB
* stripe-width = stride * ( (n disks in raid5) - 1 ) = 32kB * ( (5)- 1 ) = 32kB * 4 = 128kb
Then:
Code:
mkfs.ext3 -v -m .1 -b 4096 -E stride=32,stripe-width=128 /dev/md0
Step 2:
Add spare-disk
Code:
mdadm --add /dev/md0 /dev/sdd1
Is this enough?
Step 3:
Adding disks:
Code:
mdadm --add /dev/md0 /dev/sde1
mdadm --grow /dev/md0 --raid-devices=4
fsck.ext3 /dev/md0
resize2fs /dev/md0
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Sep 18, 2009
How to correctly install F11 on the same disk as Windows. I have created the partition but can't tell what F11 install to use to setup as dual boot with Windows XP Pro 64bit.
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Apr 23, 2011
When trying to install Kubuntu 10.04 32-bit (or Ubuntu 10.04 64-bit) it does not show me any hard drive to partition in the 'Disk Setup' (I've clicked all the buttons on that screen to see if I can encourage it!) and will not let me past that point in the installation process (because, obviously, no root file system has been defined). I have done something very bad to my computer. As an aid to selling my computer, I decided to (try to) install Windows 7. I booted into a live Ubuntu CD and used Gparted to reformat my hard drive. After several issues with the Windows boot CD I decided to pull up FastBuild Utility, and did something which included deleting LD and Defining LD again. Didn't make any difference with the Win 7 install. I am now trying to return my computer to a functional state in the sanctuary of Kubuntu 10.04.
Tried installing Win XP which I have installed successfully on another computer. Got an error message: "Setup did not find any hard disk drives installed in your computer" - presumed that was because of something I did with FastBuild Utility (2006). I've tried as many different options in this as I think could make a difference. Booted into DR-DOS and deleted partitions and created a FAT 32 partition. Booting into the live Ubuntu 10.04 CD again and used GParted to create an NTFS Primary Partition taking up all the hard drive. As above and deleting all partitions in GParted. Checking into BIOS and changing the SATA Operation from 'RAID On' to 'RAID Autodetect / ATA' (Now changed back again to the default 'RAID On.').
Loaded Defaults in BIOS - I've been running Ubuntu 10.04 x64 on it since it came out with these settings. At all points I have tried to install Ubuntu 10.04 64 bit, Kubuntu 10.04 32 bit (and Win XP) with no success. In the Kubuntu install, when I get to the Disk Setup part of the installation process it offers me no information whatsoever. My hard drive has all partitions deleted because of my last action in GParted. May need to define a partition. What as? I'm still convinced that my playing in FastBuild Utility (2006) is probably the root cause of this, and so quite likely to be a good place to go to solve this. I think I've set everything as it was, but can't be 100% on that.
My Computer:
Dell Inspiron 1721, AMD Turion x64 dual core, FUJITSU MHW2120BH 120GB HDD.
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Jan 19, 2010
We are trying to set up a NIS server on a CentOS system. We need to have a NIS server which can provide NIS authentication to a couple of clients. We are practically new to all this stuff.
Just googled to find some ideas about installing ypserv and ypbind and portmapper. We did all that and also started them successfully. But now the clients are not able to join to the NIS domain . The error log states "YP_DOMAIN NOT BOUND".
I guess we have not entered the /etc/yp.conf, /etc/hosts files properly. Please let us know the detailed steps to setup a NIS server .
Also, please let us know what entries should go into the different /etc/<file_names>? What is meant by HOSTNAME in the /etc/hosts file?
Is there any other files which need to be changed? Are we missing any steps?
Also to add-on, while executing the ypinit command we faced the following error:
At this point, we have to construct a list of the hosts which will run NIS servers. localhost.localdomain is in the list of NIS server hosts. Please cont inue to add the names for the other hosts, one per line. When you are done with the list, type a <control D>. next host to add: localhost.localdomain next host to add:
The current list of NIS servers looks like this:
Is this correct? [y/n: y] y
Error running Makefile.
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Jun 7, 2010
I'm looking to set up a bit of a home server, and am wondering about storage. What I'd like is something like RAID 6, which has good redundancy built-in, but with this being a home server, I'd prefer to start a little smaller and leave room to build it up in future. I'd been looking at commercial products like the 'drobo', which seems fairly ideal, but I'd really like to see if I can do it myself. I understand that throwing the RAID into an LVM will allow for some expansion, but the last time I checked, most RAID setups called for the same sized disks, or at least limited the array by the size of the smallest disk present.
What I'd like is the ability to build a basic framework with a few cheap disks, and then as things start filling up, to be able to add larger ones (perhaps eventually pulling out smaller ones as though they'd failed and replacing them with big ones)
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Jul 8, 2010
I'm attempting to install F13 on a server that has a 2-disk RAID setup in the BIOS. When I get to the screen where I select what drive to install on, there are no drives listed. The hard drives were completely formatted before starting the 13 installation. Do I need to put something on them before Fedora will install?
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May 22, 2010
I am using ubuntu 10.04. I want to set up authentication to mount hard disk and other removable devices.
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Jan 30, 2010
I am thinking about setting up a local Debian Repository mirror. I want it to mirror just the Debian Repo at [URL].. Anyone have any idea how much disk space I might need to do it?
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Oct 3, 2010
Every now and then my USB disk drops out and I get the following errors in dmesg:
But when I unplug it, and plug it back in do dmesg | tail, it doesn't pick it or any other usb storage device up (nothing comes out of dmesg this time).
So I tried to reload the module:
But as you can see I get the above error message.
They only think that works is a computer reboot (YUK!).
Any ideas:
* how to determine who is using it?
* force remove it
* solve my main issue of usb dropping out.
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Jul 8, 2011
First off - I'm running 11.04 as a VPS on an OpenVZ.
I've set up a very basic environment of LAMP + mail server. Installing apache, php, mysql and proftpd all went fine, but whenever I install iRedMail (which is postfix + dovecot + clamav and few more packages) I lose the internet connection.
Although the server is easily reachable by ssh and http, I can't connect anywhere from the server. At first I thought it only had issues with resolving domain names, but now I see it doesn't even ping IPs as well.
Code:
# ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
[Code]....
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Dec 18, 2010
i set up samba and im trying to acces from windows xp. i can see the drive if i go to run and type the ip adress but when i click on the share i get an error that says "sharename" in this case "sam is not accessible" you might not have permission under this network resource. so how do i give myself permissions. I have followed several tutorials tried different types of set up , restart of samba and what not. but still nothing. I should mentioned that i have been at this for 3 days now and still cant get it to work. i have red hat linux 5.1 and window xp proffesional.
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Feb 23, 2010
I am looking for the best way to set up permissions in the following situation. I have a web server set up on debian. I have different web sites in /var/www. Each web has a group of developers who each have system users and ssh access to the server. For example i have a web site in /var/www/example.com and a group of developers in group exampledev. I need all the users in exampledev plus the apache user (www-data) to have read write and execute permissions on all the content of the web site. I can give the group exampledev these permissions without a problem. The problem is that when they modify or create new files (they either connect via ssh o sftp which is the same right?) they are created with their user and group rather than exampledev. Am i going down the wrong path? This must be a common situation but i haven't found the solution.
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Sep 16, 2010
I have a LAMP server running. Currently there are not vhosts, just the basic single site apache2 running a web app. I want to set up ftp access to the www root, but my attempts have failed. When I try to ftp using the user I created, I get dumped in the users home directory. I can also browse the entire file system. What I can't do is upload content to the www root. I get permission errors. How can I set ftp up to allow a user to access the www root only?
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Dec 21, 2009
How can I access an NTFS formatted disk to read the raw data?I have done this with the FAT file system. I followed the FATspecifications,d I can read the contents of each disk sector.
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Nov 22, 2010
I reloaded my PC onto a new disk then put the old disk back in the PC to recover old files. I kept the same pc name. The OS setup routine appears to have used my PC name (stiffler) to create the LVM names.
[root@stiffler ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 vg_stiffler lvm2 a- 232.31g 0
/dev/sdb2 vg_stiffler lvm2 a- 232.63g 0
So the volume group name on both of my disks has the same name!
I'm booted to the correct one, but I would like to access the second one.
How do I rename the other one so I can gain access to it by a unique name!?
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May 20, 2011
There is a little strange behaviour on my usb disk. Today i try to access it and, when i list directory i cannot find one of them.A result of the command ls -l give me this result for that directory:
<code>
d????????? ? ? ? ? ? directory
</code>
The disk is formatted in EXT3.i try chmod and chown, but the system give me a generic I/O error.The box is a new 1Tb box, ubuntu is 11.04.
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Dec 11, 2010
I do a bit for for local charity that refurbishes and repairs computers, the proceeds going to 'steps' at Bolton. A donation of several sas hard drives has come in and I have got the job of wiping the data before re-sale. I have got a sata adapter and been using a live cd/dvd to access said drive but the nearest I've got is for the live disk (cfdisk) to recognise there is something there although it cannot read it. Any suggestions? Or do I need a special motherboard or O/S?
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