The CD-ROM on this computer, my ubuntu laptop, does not seem to be working properly. It works on and off. I burned a .iso image yesterday but today I can't get it to even read the CD in my drive. I just want to read the CD to see if it is the Ubuntu Live CD I burned a while ago or if it is the Vista Recovery CD.
TL;DR: CD-ROM isn't working properly. When I click on the drive this is the error.
Code:
mount: special device /dev/scd0 does not exist
P.S. I am trying to get Windows Office to install using Wine because I am tired of windows. I know that open office is great. but I have to have excel 2007 and word 2007 for school.
why I'd be receiving this error. I have created a partition and filesystem and put the label in fstab. Everytime I reboot the server it is unable to mount the filesystem. However I am able to mount it manually.
After fixing drive partition numbers, I got the following error from cfdisk: Code: FATAL ERROR: Bad logical partition 6: enlarged logical partitions overlap Press any key to exit cfdisk However, I can see all my partitions with fdisk and gparted, I can mount and use all of them.I used the following guide to fix the drive numbers order: Reorder partition drive numbers in linux | LinkedBits Does somebody know whet is cfdisks problem and how can I fix it?
I have a raid 5 with 5 disks, I had a disk failure which made my raid go down, after some struggle I got the raid5 up again and the faulty disk was replaced and rebuilt itself. After the disk rebuilt itself I tried doing a pvscan but could not find my /dev/md0. I followed some steps on the net to recreate the pv using the same uuid then restored the vg(storage) using a backup file. This all went fine.I can now see the PV, VG(storage) and LV's but when I try to mount it, I get a error "wrong fs type" I know that the lv's are reiserfs filesystems, so I did a reiserfsck on /dev/storage/software, this gives me the following error:reiserfs_open: the reiserfs superblock cannot be foundNow next step would be to rebuild then superblock, but I'm afraid that I might have configured something wrong on my raid or LVM and by overwriting the superblock I might not be able to go back and fix it once I've figured out what I didn't configure correctly.
Around 2008 i seem to remember PartEd on the command-line was able to rescue deleted partitions and gave a choice of whether to recover the partition as a Primary or Logical Partition. I have tried testdisk but didn't really grok what i was doing. I successfully moved a "Windows Recovery" partition to the end of my hard-drive, immediately after the drive's Extended Partition.
I installed fedora 13 64 bit and it works great but I encountered several issues when setting up guest OS with KVM. The problem seems to be related to selinux. But let me first ask question about logical volume. By Default fedora created logical volumes:
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"If you expect that you or other users will store data on the system, create a separate partition for the /home directory within a volume group. With a separate /home partition, you may upgrade or reinstall Fedora without erasing user data files." seems to suggest I have to create a separate physical partition and assign that to /home. But reading elsewhere it seems to suggest logical volume acts like a partition. My goal is to make it easy in case fedora is hosed and I have to re-install it without affecting /home where my cirtical data resides. Given above do I need to create a separate physical partition or I am just fine?
I have a second hard disk that originally had windows and all my data. Windows is hosed but I can see my data from within Fedora and Windows is gone and I created created new partition in its place which used ot be the C:/ drive appears as 53 Gb filesystem. My data which was originally D drive appears as 215 GB filesystem. As given in [URL] I want to create a new logical volume in 53 Gb filesystem which I want to use as space for virtual disk to install guest OS's in KVM. Currrently 53 GB filesystem is mounted as /media/3467BH89JK789 but this does not work well with KVM. how do I create this logical volume out of 53 Gb filesystem partition and add proper selinux info and do I add to vg_vostrolx volume group and in a different volume group?
I started withsda1 windows restore sda3 extendedsda5 swapsda6 /mandrivasda7 /SUSE 11.3 sda8 /SUSE 11.2I then made some changes with gparted (from PartedMagic 5.5) to create an ntfs partition to simulate a condition where someone may want to delete that partition and use the free space for linux. I then deleted that partition, sda2 then sda5 (swap) and taking some screenshots, went about resizing partitions to use that free space and then recreate swap. the intention being to create a basic guide on how to go about this.I have previously only had my swap at the end of the extended partition, deleting itand recreating it later had caused little trouble.I realize that a resize/move operation would have been a better choice.What I was not expecting was the partition number changes that occurred.
Code: root@PartedMagic:~# fdisk -l Disk /dev/sda: 80.0 GB, 80026361856 bytes
and I'm dumped into recovery mode. However, if I remove these mounts from /etc/fstab via comments, I can wait for the system to boot (which it does very quickly) then mount the mapper devices myself. So what is going on? Has something changed wrt logical volumes, or is this just systemd? I can live with manual mounting, but any advice on resolving the automatic mounting situation would be great.
I want to install more than 3 linux distributions on single disk - my test machine.Is it possible to create boot partition on logical partition whitch resides in extended partition (and boot successfuly of course)? My boot loader lives elswere (primary partition or MBR).
Device/Special file Clairification Requested.I'm reading a short article on Device/special files because it is related to VFS. This article has this paragraph that has to many pronouns in it to get an understanding of. URL..."In short, a device file (also called as a special file) is an interface for a device driver that appears in a file system as if it were an ordinary file. This allows software to interact with the device driver using standard input/output system calls, which simplifies many tasks."
What does a Device file have to do with the Application and the Driver communicating? Wouldn't the order of data transfer be , Application to driver and then to Device file?
I've got an LVM2 VG containing 1 LV running on SLES11 SP1.
I have an entry in /etc/fstab to remount them at boot:
Code: /dev/myVG/ibmLV /opt/IBM ext3 defaults 0 0 Whenever I reboot the whole VG disappears and I find the following in /var/log/boot.msg: Code: <notice -- Apr 15 12:35:55.954677000> boot.localfs start Waiting for /dev/myVG/ibmLV . no more events
I made a duplicate of a Centos 5.5 system disk with dump (dd if=/dev/sda of=/dev/sdb). No device files for sdb were created, but I guess that's not too surprising. I rebooted, and the device files were created. But how would I create them if I wanted to avoid the reboot? I looked around for info on mknod and MAKEDEV but didn't find a lot.
I am trying to debug the issue of a desktop that has for the last two weeks started having kernel panics at boot time. This machine has been running flawlessly for the last 8 years, and has had three OS upgrades. I am using memtest to try to understand the issue. The following is part of the memtest output: Reading all physical volumes Buffer I/O error device hdc logical block 0 Buffer I/O error device hdc logical block 15
Illegal node for this track or incompatible media (asc=0x64 ascq=0x00) The failed "Read 10" packet command was /dev/hdc: read failed after 0 of 4096 at 0 Input/output error and similar set of mesaages After this udev checks correctly, and hardware, storage and audio are initialized However sometime in the middle of the boot process, a kernel panic occurs with message Kernel panic -- not symcing : Fatal exception in interrupt
I have installed live cd on usb pendrive. Everything works great. How can I find out which device driver it is using? Where are the device driver files stored? How do you specify the device driver when mounting a device?
I have 2 hdds, with encrypted / and /home. Besides there are four other (encrypted ext4) partitions I use rarely. In Fedora 11 at boottime I gave the luks passphrase for / and home and the system booted as intended.
Whenever I needed those extra encrypted partitions I mounted them in Nautilus. Now, in Fedora 12 at boottime dracut tries to open all the encrypted partitions, / and /home are mounted fine, but opening all the other partitions gave the following messages in messages.log:
Quote:
dracut: luksOpen /dev/sdb6 luks-02a0e706-a26f-4019-a2a0-88a0366a994d kernel: Buffer I/O error on device dm-0, logical block 124 kernel: device-mapper: ioctl: unable to remove open device temporary-cryptsetup-304 kernel: Buffer I/O error on device dm-0, logical block 124 kernel: Buffer I/O error on device dm-0, logical block 124
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...and these messages are repeated with the other partiitions, and the boot time takes very, very long. How can I tell dracut to ignore those extra encrypted partitions at boottime?
So when i install ubuntu it gets to 47% and than i get this error message. After that the install doesn't really seem to do much.Code:Device /dev/sbd has a logical sector size of 4096. Not all parts of GNU Parted Support this at the moment, and the working code is HIGHLY EXPERIMENTAL.Now i did search and i found another topic where someone had the same problem. His solution was to reburn the CD and try again. I did that and it still got me the same messageP.S. I do have two boot options now however. One for ubuntu and one for windows though i already ran the uninstall.
i have a inspiron 1520 laptop which is starting to slow down some so i thought linux would help because all i do is internet use, so i download it from another computer and mount it to a usb flash drive like the site says, (netbook remix latest version) then i put it in my laptop and it loads all the way and i press try and after about 10 minutes of loading it lets me try. so that was ok really slow but i thought id install it to hard drive to see if it improved speed. so the next time i start my laptop i get Buffer i/o error on device loop0 logical block xxxxxx so i redo the usbflashdrive no errors switch usb ports and same thing, ive done the switch usb ports and redo the flash drive about 4 times im really getting mad at linux before i even have it installed.
I just downloaded an iso of the latest CentOS dist (5.3) and burned it to disk. I booted from the CD and received the following error: Memory for crash kernel (0x0 to 0x0) not within permissible range Illegal mode for this track or incompatible medium -- (asc=0x64, ascq-0x00) The failed "read 10" packet command was: Buffer I/O error on device hdd, logical block 176935
(This error message repeats for another 9 or 10 times then it says the following) Red Hat nash version 5.1.19.6 starting Setting up new root fs (Then there are some unmounts which are old /dev, /proc, /sys. At this point a series of steps begin).
Setting Clock Starting udev Loading default keymap (us) Setting hostname local host.localdomain Setting up logical volume management Checking file systems
These are just some of the steps that appear after the above error is displayed, all of the steps that load have an ok status. After those are completed I get to a text prompt - localhost login: At this point my keyboard does not seem to respond, pressing enter or any of the other keys seems to have no effect. I noticed that during the load process I could toggle the light for caps and num lock, but at the login screen it does'nt work. So at this point I'm not sure if I'm having a technical issue or if its just another case of an user error.
Create symlink /dev/root and then exit this to continue the boot sequence.
Buffer I/O error on device sr0, logical block ******* sr 4:0:0:0 [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK sr 4:0:0:0 [sr0] Sense Key : Medium Error [current] sr 4:0:0:0 [sr0] ASC=0x10 <<vendor>> ASCQ=0x90 end_request: I/O error, dev sr0, sector 1395920 Clocksource tsc unstable (delta = -499902943 ns)
loops that during install. new hard drive fresh out of box. WD 320GB 7200 Toshiba Qosmio intell core duo i've installed with this same disk before previous hard drive died. installed over windows vista. this time im trying to install solo no windows disk to reinstall with, F10 only. I've tried other distros as well, Mandriva one 2009, Dreamlinux, and this one. i've suspected hard drive controller went out but i can format and partition the drive. also the cd/dvd drive is bad but im booting from cd fine. tried removing the cd drive and booting from an external usb cd rom, same errors.
im about to deploy and need my computer up and running ASAP. 7 months no entertainment is not good. when i use a linux boot disk from Ultimate Boot Disk (UBD) i get an error of - hda status no response and something about invalid heads dreamlinux pushes past the error till i get the error about cant start x server. about my graphics
I'm in the process of moving /tmp out of the root filesystem to it's own (larger) partition. From a LiveCD I've:
1. Created the new part (ext4 format and is /dev/sda4) 2. Mounted the installed OS root filesystem (/dev/sda1) as /slash 3. Mounted /dev/sda4 as /newtmp 4. Using gksudo nautilus I'm trying to copy the contents of /slash/tmp to /newtmp
I have 4 files that won't copy - returning the error "Can't copy special files". These are related to ORBit it seems:
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Questions are: a. Will GDM or ORBit fail if I start up without these? b. Or will they just be recreated on the fly if found to be missing? c. What's the best way to proceed?
I want to give Mandriva 2010 a shot, and I want to resize my 500gb /home partition (logical) to make some room. It's an ext4 partition. Do you reckon I'll be safe resizing it from the Mandriva installer? or should I use an Ubuntu LiveCD first?
