Booting is the initial set of operations that a computer system performs when electrical power is switched on. The process begins when a computer that has been turned off is re-energized, and ends when the computer is ready to perform its normal operations.

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tape changers on Centos 6 enter flurry of activity upon boot, at udev start

I have two tape-changer robots (Quantum Superloader 3), one with parallel SCSI connectivity, the other with SAS. They were connected to a Centos 5 server, and boot would proceed normally. They are ...
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56 views

INACCESSIBLE_BOOT_DEVICE on Hyper-V 2012 R2 virtual machines

I have a Hyper-V 2012 R2 cluster, 4 Dell PowerEdge R620 servers connected to a Dell PowerVault MD3600F storage array by means of FC connections; it's all pretty straightforward, all servers run ...
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91 views

DNS Boot Method throuth dnscmd

Through the command line on Windows Server 2008 R2, dnscmd SERVER /Config BootMethod … the source from which the DNS server gets its configuration information (is determined) [→ ...
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901 views

Server 2012 (R2) - mirroring the boot drive… what is the state?

I struggle to find modern documentation here. So far we have been booting our servers from the main RAID controllers. Worked nice, but not we get the first of a new generation that hs in the back 2 ...
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103 views

Ubuntu on EC2 boot error after dist upgrade to 14.04: disk drive for / is not ready yet or not present

I just upgraded my Ubuntu 11.10 EC2 instance to 12.04, then to 12.10 and finally to 14.04 using the do-release-upgrade command each time. I arrived at 14.04 and the instance will not boot now, it ...
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50 views

Copy EFI partition to new disk in Windows Server 2008 RAID?

I have the following RAID setup ( yes, disk 1 is failing :) ). I need to copy the EFI partition from Disk 1 to the unallocated space in Disk 0, in order to make it bootable. Does Windows provide a ...
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107 views

How does virt-install create and persist and secure the boot disk?

Normally when i run virt install, I boot initially from the network, by installing from source, and also including a "--disk" option. The way i do it is described here ( in the "root" of this ...
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50 views

Debian Wheezy Losing video link on boot

I bought a small Intel Atom machine (Intel atom D525) and I've tried to install Debian Wheezy on it ...needless to say , with no luck: after I install (successfully) the OS (via USB) the machine boots ...
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204 views

How can I automatically save the Dell iDRAC boot capture videos?

The Dell iDRAC automatically records video of the last three boot sequences on the server. These videos can be played back via the iDRAC web interface. The web interface also offers a "save" button to ...
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180 views

Windows Server 2008 R2 server not booting

It's a Hyper-V machine that runs the DC for my lab environment. Had a power failure that shut down my server and all other machines come up fine except this lone DC. It boots up straight to Recovery. ...
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219 views

Gearmand autostart at system boot

Gearman server is installed and working fine on Ubuntu 12.04. But it won`t start at system boot. I try this: Startup applications (/etc/init.d/gearman-job-server owned by root), sudo update-rc.d ...
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34 views

How to extend /boot which is not on lvm

I have a machine with 100 mb boot partition but for installing new kernel with other module it needs additional 50 MB. How can i extend it its not on LVM. If i attach new disk and copy whole content ...
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252 views

Dell PowerEdge R510 SATA drives appearing as SAS

I have a Dell PowerEdge R510 with the following: PERC H700 2 x 500GB cabled SATA drives (RAID 1) 6 x 3 TB SAS hot swap drives (5 in RAID 6) I was testing an online expansion of the RAID array ...
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189 views

Upgraded to Debian 6.0.7 and server now does not boot

Today, I upgraded my Debian Squeeze installation of my vps to 6.0.7. It included a kernel upgrade, but I left the kernel upgrade last, after upgrading all the other packages first. However, now the ...
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85 views

Fresh debian squeeze software raid install wont boot

I am following these instructions: http://www.iprobot.net/linux-tutorial/how-to-setup-software-raid-in-debian-ubuntu/ (I used debian-live-6.0.6-amd64-gnome-desktop.iso and DD'd that onto a usb key, ...
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38 views

Fedora 5 booting Issue

I have an issue in my fedora core 5, installed in HP Proliant ML 150 server. Till yesterday it was working fine but today when I started this it gave me the following error: File system is ext2fs, ...
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101 views

Device imaging process Won't work first time

I'm having an issue regarding a disk imaging process. To get the machine into it's initial state, I first run a simple DISKPART CLEAN, and then restart the machine. . Diskpart sel disk 0 ...
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193 views

can't update MYSQL startup settings in ubuntu

I updated to mysql 5.5 and noticed that the server wasn't starting anymore at boot but I had to do it manually. It is actually not set to start at any level. So I did chkconfig -s mysql 2345 but ...
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14 views

Sun Netra 240 not booting to ALOM

I inherited a Sun Netra 240 with no OS installed (indeed, with no hard drives). I did some googling, and came up with a few manuals, all of which I downloaded: Netra 240 PROM Guide Netra 240 ALOM ...
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28 views

Windows Server 2008 R2 - boot mode issue

Ive a little problem with Server 2008 R2. Recenly ive stuck in safe boot loop, after few tricks i was able to login to server, but right now i cant select Normal Boot mode. When I'm selecting this ...
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25 views

mdadm/grub2/lvm boot failure if all drives are physically connected

Weird problem here. I've got a Debian 7 server (quad core, 32GB RAM) that runs a whole bunch of VMs. The main boot drive is a RAID 1, with an LVM volume group called System, which contains a bunch of ...
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20 views

Boot from ISO on Remote Server with RAID (Ubuntu)

I have tried to boot from an iso file with GRUB but it does not work. The problem is that grmf-rescueboot and other standard systems don't work with a Software-RAID (mdadm). So how can I boot from an ...
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38 views

Execute a script while boot up in RHEL7

One of my server reboots every sunday and monday morning, whenever the server is up I need to do a service restart. Actually I call a script to execute itself (everytime manually). What I want to ...
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8 views

partclone.restore: progress report goes out of box

I am running partclone.restore using the "-N" option, which draws progress in a dialog-like box. If I run this command within the autorun of systemrescuecd (4.3.1), then part of the display text goes ...
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69 views

Booting XenServer Installer on USB

I'm trying to install XenServer on a system that has no CD-ROM drive (it only has a USB) I'm able to successfully boot the server using a bootable USB that boots up Linux (specifically, the GRML ...
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36 views

'Boot' folder was accidentally deleted from WinServer 2008 R1

Unfortunately, the 'Boot' folder in Windows Server 2008 R1 (not R2!) has been erroneously deleted. Now I'm seeng a message that Windows can't be started. Fortunately, I have a copy of the whole disk ...
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566 views

How to debug why systemd is idling and is not going on with the boot process?

I am trying to create a PV instance for AWS EC2. The template VM is based on CentOS 7, which is using systemd. The disk layout is two partitions: /boot (/dev/xvda1) and LVM2 (/dev/xvda2). The root ...
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109 views

Verify architecture of kernel file

Note: I am NOT interested in the currently running kernel, but on a kernel that I am going to boot and which is in a file in the filesystem. I am going to boot a new kernel. I have prepared grub.conf ...
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180 views

EC2 instance with partitions for /boot as ext4 and root / as lvm possible?

I've been playing about with this for a few days now. I haven't managed to find an example of someone running an EC2 instance with the root volume partitioned to have /boot on ext4 (or 3 or 2) and ...
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109 views

Blank MDT 2013 boot screen on USB Deployment

I am attempting to do refreshes on some machines and on the bootup of a USB drive with a LiteTouch Image I get to the Microsoft Solutions Accelerators screen but I do not get a window for actions. I ...
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30 views

Windows 2008 Server is not booting from primary mirrored disk

We have a Windows Server 2008 with mirrored disks (RAID 1). Disk 0 & Disk 1. Last week, Disk 0 failed so we replaced that with new one. Completed mirroring from Disk 1 to Disk 0 using Diskpart. ...
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120 views

Change “boot VGA” device on Linux

I have two graphics cards (Radeon HD 5750 and Radeon X800 GT/SE), 5750 is in the first PCI-Ex slot, so it's used as the primary graphics card by BIOS and subsequently by grub2, Linux and X server. ...
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28 views

How do I update the boot environment after software mirroring a Server 2012 R2 OS Volume

I have a single physical server running Windows Server 2012 R2 My original config was a single 240Gb SSD for O/S and two larger spindles for Data storage. On installation, Windows placed 'System ...
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27 views

Boot to last VM status on XenServer reboot

I have a Citrix XenServer 6.2 on a non-prod enviroment, which means that could be affected by power outages from time to time. This server has a lot of VMs, some of them are power on and other not. ...
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67 views

Unable to connect to linux server

I tried to connect to my Linux server as root via ssh, and then when it asks me for a password I get this error message : login:status code retuned 0xc00000b5 NT_SATUS_IO_TIMEOUT CIFS VFS:send error ...
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47 views

Boot into operating system after clonezilla backup

I am working on an unattended clonezilla backup project. When the machine (re)boots, clonezilla is booted from USB (first boot device), the backup is being performed, and then the machine is shutdown ...
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213 views

Can't boot VM after P2V or ghost - Linux 2.6

I got this old machine that runs on a p2 400 and a Linux Debian 3.1 with kernel 2.6.8 and since it has modified binaries due to internal undocumented changes in the code, migrating off manually isn't ...
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245 views

Force filesystem check on Ubuntu Server 12.04.4 LTS

My root filesystem has errors. I have made sure that errors will be automatically corrected: root@host1 ~ » grep FSCKFIX /etc/default/rcS FSCKFIX=yes And then forced a filesystem check during ...
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2k views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
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103 views

Cannot enable NMI Watchdog on HM65 Core i5

I'm trying to enable the NMI Watchdog on Linux on an AFL-12A-HM65 touch screen with an Intel HM65 Core i5 CPU. The user manual has an implementation for DOS (real helpful) but not for Linux. There ...
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251 views

I am seeing error during boot sequence on HP ProLiant ML350p Gen8

The error states: Caution: Memory conflict detected. You may face boot problem. What steps would you recommend I take to troubleshoot this? Details: Dual Xeon E5 v1, two LSI 9286-8e ...
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67 views

Wrong PATH in init script on boot

Since the update of the System on my Synology NAS (x86) i have some problems with my startup scripts. The Bash scripts are stored in /usr/local/etc/rc.d. The scripts were executed for sure, because i ...
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35 views

Ubuntu 13.04 instance crash: how to debug?

We're running a server on Ubuntu 13.04 which crashes quite randomly (the instance itself crashes, not the apache2 component). I've enabled # Run bootlogd at startup -> BOOTLOGD_ENABLE=Yes , but ...
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162 views

CentOS hangs on boot after watches established

CentOS can not boot and hangs after Setting up watches. I saw the following in verbose boot. But It will boot into single user mode. CentOS 6.5 X64 any ideas to fix this please? Starting crond ...
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661 views

Ubuntu server 12.04.3 start up recovery mode

Yesterday I installed a Ubuntu server 12.04.3 as VMware instance. I only installed svn, apache2 and ssh. After I finished this basic setup (installation plus configuration) I created a zip file of the ...
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41 views

pb with fsck at boot and no-existent partition (raid1 soft, 1 disk absent)

My goal is to install debian with raid1 on 2 disks. During the install of debian, it's not possible to put a boot flag on a raid partition, so /boot is not in raid1. but I try a similar thing. (/ and ...
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38 views

What is the issue with the boot setup on this raid array?

After a secure erase of /dev/sda (Samsung 840 Pro) I had to setup grub on /dev/sda2 (for some unknown reason the /boot partition is the second one). So I ran something like this: grub root(hd0,1) ...
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300 views

Ubuntu 12.04, after reboot, ping but don't have any service up ( ssh / apache )

I need a little help, I just reboot a ubuntu server 12.04 without any special modification, it doesn't start anymore, I have a ping return but connection refused on SSH and apache is not started Here ...
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700 views

Error at booting server - ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen

I installed Debian 6 on HP server with hardware RAID 5 configured. RAID Controller Info 04:03.0 RAID bus controller [0104]: Compaq Computer Corporation Smart Array 64xx [0e11:0046] (rev 01) Kernel ...
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Empty /boot/grub/grub.conf of a remote server, how to recrete it from recovery?

My remote server (running CentOS 6.6 x64) can't boot anymore. Using the emergency recovery (a LIVE CD) i can actually look that /etc/boot/grub/grub.conf and it's empty (0 bytes). I don't know why, ...