OpenSUSE Install :: Mounting Software RAID In Rescue Mode

Feb 27, 2011

I have a software RAID 1 (mirroring) on my 2 hard drives configured through OpenSuse 11.3 installer. When I boot from the OpenSuse 11.3 install DVD in rescue mode, the RAID isn't recognized, ie attempting to mount /dev/md0 results in 'bad superblock' messages. I can still mount individual disks in the array though (/dev/sda1, /dev/sdb1, I did it read-only so not to corrupt the array). I also tried booting from the Centos 5.5 install DVD in rescue mode on the same computer and it has no problems finding the RAID 1. I was able to mount /dev/md0. Is the OpenSuse 11.3 install DVD in the rescue mode not supposed to find the RAID 1 or am I doing something wrong here?

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OpenSUSE Install :: Mounting Rw External In Rescue Mode

Nov 21, 2010

Hey guys by mistake I've deleted my root partition, now I'm trying to recover my data which is located in /home/user I was able to mount my home partition to /home by executing mount /dev/sdf10 /home and I was able to mount my external by executing mount /dev/sda1 /media The problem is I can not copy anything to it, it says "operation not permitted" I've tried the following

mount -o rw /dev/sda1 /media
mount -o remount,rw /dev/sda1 /media

I've even tried -t with vfat, ntfs, fat32

and also
chmod 777 /media

I get no errors while trying this but as soon as I try to copy or touch a file in the directory it denies me.

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OpenSUSE Install :: Raid Root Partition Not Mounting After Updates

Jan 27, 2010

I'm having some problems with a hosted openSUSE 11.2 server. It was running fine until I did a "zypper up" to apply patches. This included a kernel update.

On reboot the root partition does not mount the / partition giving the following error:

Unrecognized mount option "defaults.noatime", or missing value mount: wrong fs type, bad option, bad superblock on /dev/md2.

Through an Ubuntu rescue disk (this is what Hetzner provides) the disk can be mounted without problems.

( I installed a fresh openSUSE 11.2 with a similar configuration and got the same results after the update)

The server is a hosted installation from Hetzner in Germany with just the basics for LAMP setup.

The disk setup is as follows using software raid1:
swap /dev/md0 (/dev/sda1 /dev/sdb1)
/boot /dev/md1 (/dev/sda2 /dev/sdb2)
/ /dev/md2 (/dev/sda3 /dev/sdb3)

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CentOS 5 :: Manually Mounting Partitions In "rescue Mode"?

Aug 2, 2010

give me the sequence for manually mounting devices in "rescue mode" ? When I try "linux rescue" from the install disk, it eventually fails to mount my partitions with a generalized failure message, which tells me nothing. I then try mounting them myself on /mnt/sysimage. I have separate root, boot, and home partititions. Is the sequence:

Mount root partition at /mnt/sysimage
chroot /mnt/sysimage
Mount boot partition at /boot
Mount home partition at /home

What about tmpfs, devpts, sysfs ? Do they need to be manually mounted also ? The 'mount' command does not show them as mounted after I do my chroot.

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OpenSUSE Install :: Cannot Boot LiveCD When Hard Drive Mode Is RAID

Jul 29, 2010

I burned the live version of OpenSUSE 11.3 (Gnome, 32bit) to a CD to test the compatibility of an HP Pavilion p6510f. Although Xubuntu 10.4 booted up fine, OpenSUSE did not. A message about RAID would appear (too briefly to read) and then the computer would reboot.I checked in the BIOS and found that the SATA drive has 3 modes: IDE, RAID and AHCI. The hard drive was set to RAID.

When I changed the hard drive mode to IDE, I was able to run the OpenSUSE live CD; but the change ruined my Windows installation. Windows doesn't boot under IDE or RAID mode. (I have reset the mode to RAID and am restoring the Windows installation.) Is there an option/argument that I can pass to the kernel so that OpenSUSE will work under RAID mode? (Since Xubuntu 10.4 was able to do it, I'm assuming OpenSUSE should be able to.)

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General :: Install Centos From Rescue Mode?

Oct 10, 2010

i have a server which i have no physical access to, all i can do is boot in rescue mode from a live debian CD and i want to know of a way to install CentOS from iso image or maybe NFS? on that server using this debian live CD.

since it's live CD i can't mount the iso image and boot from it cos after reboot nothing will be preserved. so the case in breif is, i am booted form debian live cd and i want to install CentOS on the machine from that system using iso image

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Networking :: Install Missing Packages In Rescue Mode?

Oct 28, 2010

my OS FC13 is missing some packages. iwant to reinstall that but my network cards are not enable so i want to do it in rescue mode. how to do that in rescue mode.i know i will reach till chroot /mnt/sysimage. after that if i install any package then if i reboot my system will those packages will be availabe in real OS.

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CentOS 5 Hardware :: NIC Works In Rescue Mode But Not For Install

Apr 2, 2009

I am trying to build a server based on an ASUS P5BV-C, which has dual-Marvell 80856 Gig-E ethernet controllers.If I boot into rescue mode, using CentOS 5.3, x86_64, disc 1, I can start eth0, and it configures via dhcp. No problems.

If I boot the same disk with 'linux askmethod' and select http as the install method, it tries to start eth0, then times out trying to get dhcp. Checking tty3 (or 4, i forget) indicates the eth0 link is up, but no communication. Manual configuration doesn't work either.

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General :: Emergency Mode Can Mount HDD With FS Error / Not In Rescue Or Single User-mode

Dec 1, 2010

My linux workstation recently crashed. After rebooting, Linux (Red Hat 5.3) will not boot properly and automatically went into emergency mode or recovery mode i think. I can still see my /home/user/ and all the files inside.I boot from CD to rescue mode and tried mounting read-only the /dev/sd5 which contains the files in the crashed hard disk to try to copy out my files but mounting was unsuccessful (invalid argument). I checked the filesystem type using fsck -N /dev/sda5 and shows it to ext2. i tried to mount another known working hdd and was successful.

My question is why in emergency mode, the crashed hdd is able to be mounted automatically as read-only but cannot be done in rescue mode thru a bootable CD?Is there any special mount options used in emergency mode?I also cannot copy out in emergency mode booting from the crashed hard disk as everything is read only.

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SUSE / Novell :: Install The Kernel In Suse11 Rescue Mode From The Suse11 Dvd?

Oct 20, 2010

I just deleted the suse kernel-default by yast2 accidentally and rebooted the suse11 box,how will I install the kernel in suse11 rescue mode from the suse11 dvd ?

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OpenSUSE Install :: 2 Only Boots In Failsafe Mode Not In Normal Mode

Jan 2, 2010

I played with the graphics in kde4 and seem to have losy my installation. i have tried the rescue system option, recover system options and in desperation (i was just about to reinstall) tried booting in failsafe mode, and it worked!

where do i go to find out what the problem is regarding the normal boot mode? i think my pc is starting to resent the continual use of the reset button!

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Ubuntu :: Mounting External Hdd In Ubuntup-rescue-remix?

Jan 22, 2011

Issue mounting my usb external hdd in ubuntu-rescue-remix. i am trying to use photorec and recover the files to my external hdd but i m not able to mount my external hdd..

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Red Hat :: Enter Into Rescue Mode Without CD/DVD

Jul 28, 2010

I've RHEL and windows installed in a single system. First I've installed RHEL then windows xp. Now to install grub how do I enter into rescue mode without any CD/DVD? Do we have any option?

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OpenSUSE Hardware :: Mounting Hardware-RAID 1 NTFS Partition?

Mar 5, 2010

I have a dual-boot setup with winXP and openSUSE 11.2. I have both XP and SUSE partitions on a 160g HDD and then a Hardware RAID 1 array of 2 320g HDDs. The RAID arrray contains all my media/data files on an NTFS partition. For some reason SUSE shows both individual 320g disks mounted in the file system, but not the RAID array. If I attempt to browse either of the disks, I get an error and can't view them. How do I mount the RAID NTFS partition?

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Debian :: System Rescue With Hardware RAID

Mar 1, 2016

I had a RAID problem on an HP Proliant server due to a failing disk. When I changed the disk, things got complicated and RAID seemed to be broken. I put back the old disk, repaired the RAID, then changed put the new disk again and all returned to normal except the system doesn't boot. I am stuck at grub stage (the grub rescue prompt). I grabbed a netinst CD and tried to rescue it, at some point, the wizard correctly sees my two partitions sda1 and sda2 and asks wether I want to chroot to sda1 or sda2. I had red screen errors on both.

The error message said to check syslog, syslog says can't mount EXT4 file system beacuse bad superblock. I switched to TTY2 (Alt-F2) and tried fsck.ext4 on sda1 (I think sda2 is the swap because when I ran fsck on it it said something like this partition is too small and suggested that it could be swap) it says bad superblock and bad magic number. I tried e2fsck -b 8193 as suggested by the error message but that too didn't work (I think the -b 8193 is for trying to get he backup superblock).

The RAID is as follows : One RAID array of 4 physical disks that are grouped into one Logical Volume /dev/sda, so the operating system only sees one device instead of four (4 disks).

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Debian :: Unable To Get Into Rescue Mode

Jun 1, 2015

I have a brand new Z97-PRO (Wifi/USB3.1 version) that I got to replace a Gryphon Z87, and it was working great for the first day. I had my Debian and Windows drives both working, and I was working on getting GRUB reinstalled on the Debian drive in no time. At some point I needed to restore my Windows MBR for the millionth time, but this time was different. The Windows logo popped up and froze there. I know this is a thing that sometimes happens, but every other time since I replaced my Gryphon this process only lasted seconds. I let it sit for hours and it didn't move.

I then tried my Debian live USB, which loaded into the main menu, but upon selecting rescue mode it black screened and hung. This was an issue I experienced when I first got the board, but it seemed to work itself out after a few reboots and remained flawless until it just came back. At this point, I'm unable to get in to any of my OSes and I can't seem to successfully boot any external media in order to fix it. My BIOS is totally stock save for secure boot, which is set to Other OS, and memory in XMP mode. I also tried using an Ubuntu Live USB, but ended up hanging with the exact same Q-Codes as in Debian. I am running the system on 1 stick of RAM while testing.

Q-Codes at hang:
UEFI USB - AF (Exit Boot Services Event)
Regular USB - F6 (Reserved for future AMI progress codes)

Specs:
- 2 boot SSDs (OCZ for Windows, Kingston for Debian), 2 storage drives, and a DVD drive.
- The boot SSDs occupy SATA ports 1 & 2, the DVD drive takes up 3, and the storage drives take up 5 & 6
- i7 4770K, 32GB (8GBx4) Corsair Dominator RAM, GTX780Ti
- 750W Silverstone PSU

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Debian :: Can't Connect At The Rescue Mode

Sep 2, 2010

i had a fully working system (debian /stable) but now i have a weird initrd error and i cant boot.

my boyfriend used to repair all the problems remotely (from the other side of the earth ) i have but now he cant connect at the rescue mode.

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Ubuntu :: Grub Rescue Mode Won't Go Away

Dec 7, 2010

I have an Ubuntu 10.4 installation (dualboot with windows XP) with grub2.After I resized some of my partitions using a gparted live cd, the system goes directly to grub rescue mode every time I boot.Then I follow the instructions which are given in grub2 wiki site to boot.The grub boot directory is now located in sda6 (hd0,6) in my system as found out using 'ls' command.

But in the grub rescue mode when I enter the 'set' command (one of the very few commands available), to display current prefix and root, it gives "(hd0,7)/boot/grub" as 'prefix' and "hd0,7" as 'root'.After entering the following commands, I'm able to boot.There are other users at my home not familiar with ubuntu. windows is their OS of choice. So I don't want to remove windows installation .One solution that I can think of is creating a grub rescue CD using grub-mkrescue, then using windows cd to fix mbr (which will overwrite grub? or the pointer to grub?) and then using the grub rescue cd to boot into Ubuntu but I'm not sure.

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Red Hat / Fedora :: Mount Dvd In Rescue Mode

Sep 23, 2010

Actually Some one has deleted my vmlinuz-2.6.18-164.el5 and its backup vmlinuz5 from /boot dir i want to restore those files. i tried by "linux rescue" mode but unable to mount my dvd from RHEL5 dvd drive there is no file exist as /dev/cdrom .

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Server :: How To Disable Rescue Mode

Jan 31, 2011

From system security point to view I want to prohibit 'linux rescue' mode in my installed RHEL system. Because as per my knowlege through linux rescue mode anyone who have physical access to system can mount root filesystem(/) and retrieve all data without knowing root password. Please guide should i encrypt / on any alternative .

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Ubuntu Servers :: 10.04 - Trying To Recover In Rescue Mode

Dec 5, 2010

Ubuntu 10.04 on remote server failed after updating following modules:
An update to grub-common from 1.98-1ubuntu8 to 1.98-1ubuntu9 is available.
An update to grub-pc from 1.98-1ubuntu8 to 1.98-1ubuntu9 is available.

First updated a OK and second gave an error "wrong name" or something like that So the update stop the server and I did "Cold Reboot" which seems to work but I can't log in via "root" SSH only by "rescue mode" SSH however I am totally lost there.

I guess I need to finish the "grub-pc" or "grub-common" from prior update process. I can use rescue mode to effectively boot my server to live cd. I can ssh in to the live cd os and my original os is mounted for me to chroot in / backup / repair.

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Ubuntu Installation :: Grub Not Go Further Than Rescue Mode

Jun 30, 2011

I installed Fedora on my pc over Ubuntu and now Grub wont go any further than rescue mode. (Apparently grubs boot folder was on the Ubuntu partition. Now I see why a dedicated boot partition is handy.) I used VMware to install Fedora as im currently out of CDs. VMware is setup to use the Physical HDD for the primary HDD in the VM. (I made sure VMware disabled access to the windows partitions so the guest couldn't access them.)

I am in Windows 7 at the moment and am avoiding rebooting as that will basically lock me out of the only computer I have access to. I tried running the Ubuntu LiveCD to restore grub but dont know how to mount Fedoras LVM partitions. What can I do to repair grub or at least install an MBR that is capable of booting windows? I can boot floppies and cds using VMware but am not sure what to use to fix this.

Fedora LiveCD wont mount any of the partitions to install Grub
Ubuntu LiveCD may work if I can mount the LVM partitions.

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General :: Fixing Grub From Rescue Mode

Feb 23, 2011

I got my wife to try Linux, so we set her machine up to dual boot with Windows. After a few weeks, she decided not to use Linux, so we deleted the Linux partitions using Gparted on a USB drive and resized the NTFS partition, under the apparently mistaken impression that Grub would detect that there was now no other operating system. When we rebooted, we got error: no such partition, followed by a grub rescue prompt. I've never worked with Grub directly before, so I have no idea what to do at this point.

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General :: Can't Find Rescue Mode In Fedora

Nov 28, 2010

1 ) I have accidently installed RHEL5.2 in a lap which was already having Fedora14. Now the fedora grub is missing and i am unable to boot into fedora. also there is no Rescue option in fedora 14 live CD, it only have Boot, Basic video, Memory test but no rescue mode. so pls tell me how to get into Rescue mode and solve this problem

2 ) How to find in which partition it is installed eg do i have type (hd0,0) or (hd0,xx), i have on hard disk so the H.D.D number will be hd0 but what about the partition . how to find it.

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Server :: RHEL - No Pvcreate At Rescue Mode

Jun 29, 2010

Im trying to restore RHEL 5.3 which was previously installed on LVM. I have completly new disks.

1. I have started RHEL install DVD with option: linux rescue
2. set up network
3. connected to NFS server where the backup is stored
4. restored partition image: dd if=/mnt/source/layout.bin of=/dev/sda bs=1024 count=1 (this will preapare partitions like it was before backup. After that it is necessary to run fdisk /dev/sda and choose oprion "w" - write)

Now, I want to create Logical Volumes, but I have no "pvcreate" command in RHEL rescue mode.

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CentOS 5 :: Boot Into Rescue Mode Using Live CD

Oct 16, 2010

I am attempting to work with adding a new hard drive with a default logical volume setup. In order to complete the task, I am instructed to use a live CD to boot the system without mounting the drives using linux rescue. I am using CentOS-5.5-i386-LiveCD-Release2.iso

I have reviewed the centos documentation. When the live CD boots, it starts a count down to an automatic boot. I attempt to invoke the boot options as directed by hitting the tab and adding the words

linux rescue

At the end of the line and hit return to begin the booting process.

Unfortunately, the linux rescue boot option is ignored and the system mounts the hard drive. Additionally, I have checked the boot option several times by hitting the tab a second time and the option is not displayed.

In researching the issue, I inevitably get very similar instructions like:

Quote:The first centos CD or DVD has a rescue mode, just type on the boot screen: linux rescue

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OpenSUSE Install :: 10.3 Boot LVM From Rescue Disk?

Jun 26, 2010

Before I do a fresh install of opensuse 11.2, I am trying to mount my lvm partitions in rescue mode so I can do a full backup. How do I mount them?

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OpenSUSE Install :: USB Stick Rescue System

Sep 17, 2010

Could someone recommend a simple (non-graphical) distribution that fits on a USB stick, boots without HD access, providing the functions of Super Grub Disk. I find the instructions for creating a Super Grub USB confusing. Even the CD version has cryptic operating instructions. Yes I know there is always Knoppix, but it is graphical (slow loading) and lacks the grub manipulating functions.

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OpenSUSE Install :: How To Login To Rescue Disk

May 12, 2011

Need to use rescue disc to reinstall grub but it asks for name and password, can anybody tell me what they are?

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Debian :: Reinstall Grub Or Get Rescue Mode From Netinst.iso?

Jun 18, 2010

I installed debian testing from hard disk using the netinst.iso. Now how can i get the rescue mode to reinstall grub? During installation i didn't get other options like rescue mode.It guided me to install debian testing from hard disk only.

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