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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Can't find logical volume when booting imported disk images in Xen guest

I've got a couple of drives I copied over using ddrescue to image files for booting under Xen. They contain an LVM volume group with a couple of volumes in it, which was originally split across two ...
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0answers
61 views

FreebSD 10.1 x64 KLDLOAD UCOM and UTDFI

Using a freebsd 10.1 x64 system. I am trying to get an LCD working and need to load UCOM.ko and UTDFI.ko. When I try to load them I get unsupported file type. I took them off another freebsd 10.1 x64 ...
4
votes
1answer
2k 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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2answers
47 views

Recovery Tool does not recognize hard drive

This server was recently shut down due to power cut. When I tried booting up, BSOD appeared with an error stating : process1_initialization_failed. According to MS this was a result of corrupted boot ...
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0answers
26 views

Bios boot devices are messed up [closed]

I hope I'm on the right StackExchange here.. bare with me. I have installed and removed a few linux and windows distributions. Now all of them are displayed as boot device in my mainboard. I only ...
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1answer
28 views

Unison on bootup

So i have unison running thru a config file by default. In here it applies the wait=watch function so it syncs automatically. but i wanted to run unison on boot, but i haven't been able to this this. ...
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0answers
621 views

Recovery from i8042 no controller found during boot?

I have a set of identical hardware, Dell R210s. To replicate their configuration, I use a method to image /dev/sda from a working machine, and then apply that image to a new machine. It has been ...
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1answer
35 views

New Swap Drive - Linux Hangs during Boot

An application checked the swap space during install and required it to be the same amount as ram. So i added a new disk (Server is a VM) and done the following: swapoff /dev/mapper/ol-swap vgcreate ...
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0answers
70 views

Server 2008 R2 does not boot and won't restore

A Server 2008R2 machine was found restarted, asking to insert a bootable disk. I booted from a DVD and tried to restore from a backup image made a day before to a separate HDD (with repartitioning and ...
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2answers
52 views

Ran chkconfig but crond not starting on reboot on Amazon Linux

I am trying to get the cron daemon to start on reboot on an instance of Amazon Linux (Linux version 3.14.57-34.46.amzn1.x86_64). I have run: $ sudo chkconfig crond on If I run: $ chkconfig --list ...
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0answers
50 views

Loading initial ramdisk very slow

I have a SUSE Linux 12 system here where the boot step "Loading initial ramdisk ..." sporadically takes hours instead of seconds. This system is supposed to boot from SAN and multipath is in place. ...
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1answer
37 views

Mount partition as read-only until reboot

Is it possible on Linux to mount a partition as read-only at boot time and make sure it cannot be re-mounted as read-write until next boot / power off?
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1answer
1k views

KVM guest won't boot from hard disk image, but will from CD-ROM image [closed]

I'm using KVM to host a Debian unstable guest on a Debian unstable host. Emphasis on 'unstable' :-) Until recently (and until a recent round of Debian package updates on both host and guest) this was ...
0
votes
1answer
67 views

Debian hangs entering single user mode

My Debian system hangs when trying to enter single user mode on "start job is running for LSB" as shown in screenshot below. Any idea how to recovery it? This thing started occurring after restarting ...
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votes
2answers
77 views

HP ML350p Gen8 won't boot from PCIe SSD [closed]

I have a HP ML350p Gen8 with a PCIe SSD and I'm trying to boot from it, but it won't do it. I can see the PCIe SSD in the list of hard drives when to choose where to install windows 10 pro, but after ...
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votes
1answer
68 views

ESXI 6.0 system disk boot failure

My Poweredge 2950 running esxi 6.0 has worked for a long time. Running raid5 on 4 2TB disks. And one 1TB for system and VM. First I notised that I could't open console on my VM's. After a reboot some ...
2
votes
1answer
839 views

Debian Jessie samba start on boot

I'm having issues starting samba on boot on Debian Jessie. I do not understand how to do it as it seems that the samba script wrapper is deliberately made not to work. I tried to issue a update-rc.d ...
2
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1answer
1k views

cannot boot because of networking service

I have a fresh install of debian 8.3 jessie on a new server with all upgrades However each time I try to reboot the machine, debian enter in emergency mode The screen got stucked at "A start job is ...
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0answers
42 views

Right way to Migrate bootable Windows Server 2008 SP2 from RAID 5 Vdisk to RAID 0 or Single SATA and ensure Booting?

Did the following 2 identical blank 1 TB SATA drives: Cloned the RAID5 Virtual disk to RAID 0 Drive on Controller Cloned the RAID5 Virtual disk to SATA Drive on Motherboard SATA Port Using ...
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1answer
25 views

Portwell motherboard: Boot-time fsck finds “unexpected inconsistency” due to system time

Although this question involves an embedded motherboard, serverfault seemed to me the best stackexchange forum to post to. My colleagues and I have been investigating this weird Linux boot problem ...
2
votes
1answer
3k views

Is there a way to ignore the “fsck.ext3: Unable to resolve LABEL” error during the boot?

We have a file-cluster on servers with multiple disks, and we have created a software RAID1 over boot and / partitions, planning that if a single disk goes down, we still will be able to boot and ...
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3answers
11k views

How to free up space on RHEL6 /boot safely?

I am trying to do yum update on RHEL 6 box and I am getting this error message Transaction Check Error: installing package kernel-2.6.32-279.9.1.el6.x86_64 needs 10MB on the /boot filesystem ...
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2answers
252 views

CentOS /boot is full even after removing previous kernel

During several months before every update system action I need to clean up /boot directory because it is full. I had removed old kernels as described here (How to free up space on RHEL6 /boot safely?)...
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1answer
1k views

Linux xen directly boot windows domu? [closed]

I have the following situation: got a new notebook with Windows7 pre-installed (sda1 with boot partition, actual OS in sda2), one physical disk (sda) created an extended partition (sda3), inside ...
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9answers
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How to make a bootable USB drive out of a bootable DVD or CD

Is there a "universal" way of how you can make a bootable USB drive out of a bootable dvd or cd? What makes a USB drive bootable? What makes a dvd and cd bootable? For example there is a program ...
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1answer
169 views

Windows 2003(!) Server won't boot: stuck at “applying security policy”

We have a (partly) decommissioned Windows 2003 server (of year 2000 vintage) which has been running fine until I had to turn it off for the first time in months due to a planned power outage. The ...
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6answers
6k views

Backing up my data causes my server to crash using Symantec Backup Exec 12, or How I Came to Loathe Irony

I have a Dell PowerEdge 2850 running Windows Server 2003. It is the primary file server for one of my clients. I have another server also running Windows Server 2003 that acts as the core media ...
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0answers
15 views

Server can't boot, showing main process (206) terminated with status 127

The system is Debian 7.0. Booting in recovery mode fails with messages shown in this screenprint: How can I solve this issue?
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2answers
2k views

Windows 2008 upgrade hangs on black screen of death; can't boot from media

Over the weekend someone attempted to upgrade Windows Server 2003 to 2008 on one of our machines. Not sure what happened, but it didn't work and now when booting up after the little green bars, the ...
2
votes
3answers
1k views

PXE bootable browser [closed]

I would like to have a system that boots using PXE and only runs a single application: A graphical webbrowser with a hardcoded homepage that loads upon opening. I could use the Knoppix Terminal ...
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votes
0answers
38 views

Sun M4000 — how do I reset the F/W password on the bootable domains

I have just gotten assigned to working with an Sun M4000 system of which I know very little about. Nor does anybody else within the company. I can get into the initial service module (XSCF).... But ...
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0answers
40 views

Create a new Linux boot disk using a reference disk?

I need to build a Linux boot disk for a system, but assemble the disk using a different system than the one the disk is for. I have a known-good "reference" disk: is there a way to selectively clone ...
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0answers
546 views

Replacing failed RAID 1 drive on Windows Server 2008 - new drive not bootable

I'm trying to replace a failed RAID 1 drive in Win Server 2008 R2 Foundation and am running into difficulty. See the image from Disk Management: Disk 0 is the good drive from the original RAID ...
60
votes
2answers
4k views

Does memtest86+ test memory which is used to run itself?

One of the common server failure scenarios is bad DRAM, sometimes even when ECC memory is used. memtest86+ is one of the most useful tools to diagnose DRAM problems. As it loads itself at the start ...
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2answers
621 views

Need informations about RAID5 behaviour in XenServer 5.5

I've detected an I/O error in my partition /dev/sdd3 which is a part of 4 devices assembled with RAID5. Now my server is in degraded mode with only 3/4 sync drives. I have a boot partition (/dev/sdd1)...
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3answers
233 views

Booting from RAID5 device

I have an xenserver and I wonder to know if it's possible to boot it from a RAID5 software partition.
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3answers
52 views

When server is booting high load?

From CSF statistic my server load in 30 days is never higher than 3, I have 8 core cpu and 3 sites with 10 000 unique visits per day. When I reboot my server, and I log in into console, when he is ...
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2answers
2k views

How to build USB “floppy” pen drive launching Windows 2008 Setup from USB DVD

One of my server motherboards supports booting from USB, but only from "USB Floppy" or "USB ZIP Drive". I followed various guides creating an active, bootable partition on the USB Pen Drive with the ...
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0answers
92 views

How to change the boot order if Two boot partitions exist on the Linux Machine

I have an open vpn server running on my Ubuntu server 14.04.I took the backup of hard disk /dev/xvda (which includes the boot files) to an img file using the dd command. Machine A dd if=/dev/xvda of=...
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0answers
50 views

Encrypted LVM stops when mounting swap

I have configured a disk with LUKS this way (Ubuntu server 15.10): Boot partition Rest partition (LVM group) LVM data -> Encrypted (pass) -> ext4 /data LVM root -> Encrypted (pass) -> ext4 / LVM ...
2
votes
1answer
141 views

Replaced SATA controller, software RAID (mdadm) stopped booting: grub rescue> no such disk

I have a relatively old server machine which has no SATA ports on the motherboard (Dell Precision Workstaion 650). Also have a cheap FakeRAID controller (VIA VT6421 Chipset) and two Seagate 3TB drives ...
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0answers
24 views

restart client after download .img file from PXE

I want to install pfsense using pxe. In Windows 7, I have installed the Tftpd32 software and set it up (conf file is below). The client machine downloads the image file (pfsense.img) successfully ...
0
votes
1answer
543 views

Docker daemon doesn't start on boot on CoreOS

I have a vanilla install of CoreOS (835.9.0) and it doesn't start the docker daemon on startup. It only starts when I SSH in and do eg docker ps. How can i make the docker daemon automatically start ...
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vote
1answer
104 views

dracut-pre-trigger rd.md=0 removing md raid activation boot fails

The system is Fedora 22, recently upgraded from Fedora 21. The remaining kernel from Fedora 21 boots. The two kernels installed after the upgrade fail to boot. The system is an Intel S-5000 PAL with ...
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votes
1answer
124 views

FreeNAS Flash Drive Corruption

The flash drive that had FreeNAS on it was unplugged while the system was running. Now when I start the system, I get the following error: GRUB loading . . Welcome to GRUB! error: unknown ...
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0answers
20 views

Debian server reboots after every login

I have a Debian Wheezy vps on the cloud. Today I tried to login using the VNC console provided by my vps service provider but everytime I login the server automatically reboots after 5 seconds! Has ...
13
votes
5answers
68k views

How to list services/daemons started at boot _and_ check their loading order

I want to be sure in what order services are started during boot process in Debian based systems (Debian Squeeze in particular). Thanks in advance.
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votes
0answers
40 views

Kernel config options explained

Can anyone explain what the following options from my centos 5.9 box do CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y ...
3
votes
0answers
34 views

solaris requested cylinder is beyond range of BIOS geometry

Title says it all. I'm a Windows guy, and a bit out of my element here, but a client has an old Solaris machine hosting a Database. The machine turned off for a yet as unknown reason (probably power ...
3
votes
0answers
608 views

How to use systemd-firstboot.service?

I'm making an image of Debian Jessie. On boot the system has no /etc/machine-id file. This causes some problems with the journald that doesn't start. I've found that in the systemd repo: # This ...