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1
vote
0answers
36 views

To write in mdadm.conf in initramfs prompt doesn"t not save changes after reboot

I made a mistake with my mdadm.conf with my debian backup server. I used this command : mdadm --detail --scan --verbose >> /etc/mdadm/mdadm.conf to add a raid5 (it works great). By using ...
0
votes
0answers
48 views

Virtual disk corrupted after cloning using vmkfstools

I am facing a very weird problem with cloning an Oracle Linux VM on VMware vSphere using commandline-tools. Interesting parts of the script in use are: vmkfstools -i $src/VM0.vmdk -d thin ...
-1
votes
1answer
48 views

mkinitrd to preload virtualBox LSI SAS storage drivers

I am trying to compile my own kernel (2.6.9). Everything works on the compilation and building end, but... After rebooting to the new kernel - the LVM (VolumeGroup00) cannot be loaded. My suspicious ...
0
votes
1answer
149 views

grub2/initramfs disaster recovery

One of my ubuntu 12.04 is a vm on vmware ESXi host. It has separate boot and root partition. One developer did fsck on the live root partition by mistake and this vm can only boot to initramfs mode ...
1
vote
2answers
2k views

Server won't boot, kernel panic - not syncing

After a reboot of a CentOS 6.2 server we are getting a kernel panic with the following error: Kernel panic - not syncing: Attempted to kill init! Panic occurred, switching back to text console ...
2
votes
0answers
209 views

Booting a diskless Debian system using bonding, bridging, and iSCSI

I'm trying to build my personal holy grail: booting my Debian Wheezy KVM server diskless from a iSCSI target and the only configuration needed on the diskless server is the iSCSI parameters in the NIC ...
0
votes
1answer
85 views

Initrd and Initramfs

I have read about the differences between the two from stackoverflow. But I am still finding it difficult to understand tmpfs and the real advantages of initramfs over initrd. I find that on RedHat ...
1
vote
0answers
39 views

What to use as an installer bootstrap?

I've got some embedded systems which I'd like to deploy a debootstrap-prepared Ubuntu rootfs to. But I need some kind of a stub which I can use to boot these systems, either via USB or PXE. Basic ...
3
votes
1answer
128 views

RAID-5 array being split on reboot (ubuntu)

I've set up a RAID-5 array on Ubuntu 13.04 (kernel 3.8.0-27-generic) using mdadm - v3.2.5 - 18th May 2012. It appears to work fine and be in high spirits: $ cat /proc/mdstat Personalities : ...
-2
votes
1answer
247 views

Initramfs failure, Ubuntu 10.10 32bit during boot [closed]

I am getting initramfs error. I found Ubuntu server won't boot, stops at initramfs link on ServerFault. But the solution didn't worked for me. Please suggest the solution. Any help would be ...
1
vote
2answers
263 views

Ubuntu Server 12.10: set up network bridge in the initramfs pre-boot environment

In this scenario, I have a machine that boots its root volume off of iSCSI, and it only has a single network interface. If network configuration is done the normal way, then taking the interface down ...
0
votes
1answer
186 views

Linux initramfs read-only

In a Linux system consisting of a bootloader, the kernel and an initramfs (no block devices, no other root filesystem): Is it possible to make the initramfs read-only once expanded into memory?
0
votes
1answer
268 views

Changing boot device in initramfs on the fly?

I try to boot a XEN VM and it looks like the hard drive naming changed from /dev/sda1 to /dev/hda1. So the boot process drops me to a busy box in initramfs. How can I specify the probably right boot ...
0
votes
1answer
726 views

NFS-Root not working when booting over PXE

I am desperately trying to get a diskless client running over PXE-Boot using a NFS-Share as a root file system. I did this before some years ago but for some reason I am stucked at this since days. ...
1
vote
1answer
1k views

Rackspace Ubuntu 12.04 server stuck in initramfs after kernel upgrade

Can't boot after I did a aptitude full-upgrade and let it update menu.lst (did a diff first and it looked good). This is what I've done so far in the BusyBox shell: mkdir /tmp/xvda1 mount /dev/xvda1 ...
2
votes
1answer
235 views

Possible to use /dev/mapper in custom initrd (CentOS/RHEL)?

I'm attempting to setup a mapper device prior to boot as it requires use of my /var partition which is relied heavily upon startup. My issue is it's seemingly failing and not providing any output - ...
1
vote
1answer
1k views

Ubuntu RAID5 Software Raid inactive - unable to boot into Ubuntu from non-raid drive

I have a server with 6 disks in it, 5 of which are in a RAID5 array. I came home from work today to find that the landlord had been through the house with a sparky, and the power had been reset. Now, ...
4
votes
2answers
871 views

Using FlashCache on /var on startup

I would like to have FlashCache cache my /var partition however I can't seem to get it to play nice upon bootup (IE: not really sure how to do it). I'm not sure if I need to modify the initramfs/use ...
3
votes
1answer
4k views

Centos 6 - How to upgrade module located inside initramfs?

We have recently upgraded our e1000e (intel ethernet) module on one of our centos 6.0 boxes. Even tho the module compile and installed fine, the old version is still being used. We have tracked this ...
0
votes
1answer
220 views

What part of initramfs (Ubuntu) runs scripts/local?

I'm trying to understand how Ubuntu 12.04's initramfs runs scripts/local and in what order. I don't see it in init. What line of code runs scripts/local?
-3
votes
1answer
547 views

How can I run Linux from RAM only [duplicate]

Possible Duplicate: Copy OS to tmpfs from initramfs I am putting together a new server with 64GB of RAM and I would like to copy the whole Linux OS into RAM from the disk and run the ...
-3
votes
1answer
172 views

Copy OS to tmpfs from initramfs [closed]

I am putting together a new server with 64GB of RAM and I would like to copy the whole Linux OS into a tmpfs from the disk and use the tmpfs as the OS (and I will use rsync to back up the tmpfs to ...
0
votes
1answer
214 views

Reassembling Raid 10 in Ubuntu from the initramfs menu

My raid 10 - used for / - has failed for my Ubuntu box. I replaced the bad disk and I am trying to reassemble the raid from the initramfs menu. I have tried starting the degraded Raid and using the ...
0
votes
1answer
1k views

auto assembling mdadm created RAID - initramfs doesn't change

(Ubuntu 10.10 + mdadm 3.1.4) I have my raid described in /etc/mdadm/mdadm.conf: HOMEHOST <system> ARRAY metadata=imsm UUID=46e68921:eea24d1d:e933eee8:192d55bc ARRAY /dev/md/Volume0 ...
0
votes
1answer
444 views

How to create initramfs with non-modular kernel?

I've got following situation, I currently I use dm-crpyt on top of vlm on my rootfs and I need initramfs for unlock and mount LVM volumes. It works well with modular kernel, I compile kernel, create ...
2
votes
7answers
8k views

What tells initramfs or the Ubuntu Server boot process how to assemble RAID arrays?

The simple question: how does initramfs know how to assemble mdadm RAID arrays at startup? My problem: I boot my server and get: Gave up waiting for root device. ALERT! /dev/disk/by-uuid/[UUID] does ...
1
vote
1answer
5k views

New install Ubuntu 10.10 Server, won't boot. “ls /dev/disk/by-uuid” generates Bus Error

I installed Ubuntu 10.10 Server on a very old computer (bought it in 2002), but it won't boot. It tells me it can't find the root mount volume by it's UUID and also gives me the follwing type of ...
3
votes
6answers
21k views

Logical volumes are inactive at boot time

I resized my logical volume and filesystem and all went smoothly. I installed new kernel and after reboot I can't boot neither current nor former one. I get volume group not found error after ...
2
votes
1answer
1k views

software RAID array not starting in initramfs on Debian

One of my Debian servers (kernel 2.6.30-AMD64) refuses to start the software RAID array that houses the root partition in initramfs. It dumps me with a busybox console. When I follow the necessary ...
1
vote
2answers
498 views

Configure initramfs-tools to add curl to the initramfs, and run curl in a script at boot while in intitrd in Ubuntu 10.04 Server

I'm trying to learn how the initramfs works and how it may be configured. I would like curl to be added to the packages available in the initramfs, and run a script which uses curl during boot (which ...
3
votes
2answers
974 views

Why use nash instead of busybox in initrd and initramfs?

Why use nash instead of busybox in initrd and initramfs? I'm just looking for pros and cons of both really (and any other applications with similar functionality). I'm currently leaning towards ...
0
votes
1answer
163 views

Can't limit mdadm's detection

I've got a problem with mdadm and generating initrd. I had some problems with one disk, so suddenly mdadm started detecting my raid1 arrays to be on hda, hdb2, hdb3 - even though they should really ...
0
votes
2answers
885 views

Getting debug output from a debian initramfs

I'm attempting to configure a server for a debian lenny on software raid0 and a LVM root filesystem via the serial console and the hosting company's recovery console (basically an ubuntu liveCD). ...