Hardware :: Data Storage Locations Of The Separate Devices Involved In Booting Requested
Oct 18, 2010
I'm trying to get a complete overview of booting so I can multiboot. An explanation of the hardware that stores data and the hardware that runs it with the paths the data takes would be awesome!
Here are some quotes that are not comprehensive.
Quote from [url] "When the processor first starts up, it is suffering from amnesia; there is nothing at all in the memory to execute. Of course processor makers know this will happen, so they pre-program the processor to always look at the same place in the system BIOS ROM for the start of the BIOS boot program. This is normally location FFFF0h, right at the end of the system memory. They put it there so that the size of the ROM can be changed without creating compatibility problems. Since there are only 16 bytes left from there to the end of conventional memory, this location just contains a "jump" instruction telling the processor where to go to find the real BIOS startup program."
System Memory is your RAM is it not? Why are they being specific in stating the address location in the Firmware that BIOS uses? An external EEPROM on the board is totally different from RAM is it not? Does the BIOS data travel to a specific RAM Location?
Is there a small processor connected to BIOS or is everything run with the Main CPU?
What exactly is the "chipset" that is referred to with booting?
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Sep 20, 2010
I like the clock applet in my system tray. It's nice to pull it open and see the time in other locations.
However, because of bandwidth, I'd like for it to stop requesting weather updates.
Is there a way to prevent the weather from being requested while still showing the locations, and timezones on the clock map?
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Mar 11, 2011
I'm interested in buying a new hardware for my company. The old server (now 10 years old) should be replaced with a new one. Till now, I was looking on different hardware suppliers, boards and different other places. I found a Tyan board [URL]. The hardware spec is quite interesting and the board would fullfill our claims.
how both storage devices will be supported by Ubuntu or Debian??
- SATA-Controller: AMD SP5100
- SAS-Controller: LSI 1068E
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Sep 30, 2009
i used my windows box to connect to ftp(fed box) and i keep getting an error saying "The requested name is valid, but no data of the requested type was found." does anyone know why i cant connect?
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Apr 17, 2011
I have openSUSE 11.4 KDE (upgraded to Tumbleweed but that's not relevant here). The computer is a Dell Optiplex. My sleep (suspend to ram) and wake (restore from ram) work very well. The box can multiboot to windows 7 as well as to Linux.
In Linux, the restore process is triggered by pressing the power button on the front of the case. No other action will bring it awake.
In windows, the restore process is triggered by the power button but also by moving the mouse or touching the Escape key, spacebar etc.
Here's the question: how do I get the computer to wake in Linux by activating a key (or mouse, whatever) instead of just the power button (which is under the desk and hard to get to)?
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Jul 24, 2010
Missing ifcfg-eth[2-5] fileset for ZNYX 345Q Quad Port 10/100 cards. I have showing in the gui network device that my ports for my ZNYX ZX345Q Quad Port card my ports are Auto eth2, Auto eth3 etc. My Motherboard and Intel cards show as System eth0 and System eth1.
There ARE corresponding entries for those in my /etc/sysconfig/network-settings/ directory, but there are not ifcfg-eth[2-5] files to correspond to these adapters. Can I just write my own files and that will do it?
How does Fedora 12/13 load these drivers into the kernel without having these ifcfg files?
I'd love to know if there is another way Fedora controls NICs / other system resources.
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Sep 30, 2010
My friend bought a new PC, and he's duel booting Ubuntu 10.04LTS and Windows 7 Ultimate. At first I tried partitioning the hardrive using fdisk in Ubuntu, but it couldn't find hda. After looking in /dev/, there wasn't hda, or any sd* devices. I looked in gparted and used the installer afterwards and both came up with nil. I installed Windows, updated the BIOS using the utility that came with the mobo, and tried seeing if Ubuntu could detect my hardrive and it couldn't. I even turned ACPI off when booting and that didn't work either.
The motherboard is a new Gigabit with 3 PCIe slots and a USB3.0.
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Mar 23, 2011
[URL]
In the above link am using for the Disable for USB device. how i can re enable the USB devices.
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Mar 9, 2010
I am looking for a solution where the data to be shared across multiple locations through login. In this regard, the following options are required.
1) The files/folders created can be viewed by the group and the owner has an option to edit and delete. However, if required the owner/admin can grant permission temporarily.
2) log of files/folders being accessed
3) The access of files/folders is based on username and password.
One thing striking me is FTP Server to enable the above solution. If so, i just want a step by step guide. Otherwise, let me know any other better options.
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Jun 14, 2009
I've been running F10 with a four disk RAID5 setup that has been working fine, however when I tried to do a fresh install of F11 I can't get past the "Select Country" and "Select Keyboard" screen of the GUI as a message will say "Detecting Storage Devices" and then throw up an error. I can't give you the full error, because when I click Save The Detecting Storage Devices box appears and I can not select anything under it or enter my Bugzilla account.However, when I plug just the hard drive that has XP on it then the installer continues swimmingly.I've backed up everything, so if I have to I could zero out the drives however they're all rather large so it'd take an inordinate amount of time.
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Jan 2, 2011
My USB devices are being detected when I run the 'lsusb' command.However there is no driver that is set to the device.Also the /dev/sdX device is created so there is a mount point
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Jan 27, 2011
Whwn I am sending mails , I used too get message like
Host found but no data record of requested type.
MTA: postfix
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Apr 2, 2010
Does anyone know of a C Language Data Structure Tutorial? I have not been able to find anything much to speak of myself.
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Dec 9, 2009
I'm installing F12 on a new HP ML-350 G6. The machine has 4 Gb memory, and a Smart Array P410i SAS controller. There are two 72 Gb disks set up as a RAID 1. I'm using a full install DVD. There are no other storage devices other than the RAID, a USB tape drive, and the DVD drive. When I try to install F12 it hangs after setting the keyboard type with "Finding Storage Devices". I've let it sit for an hour or more and it doesn't get beyond that.
F11 installs on the machine with no problem. I've used the F12 DVD on other machines with no problem (but not any other ML-350s). If I switch to a console session, dmesg shows the driver for the controller (HP CISS) has loaded and the RAID drive recognized. The appropriate devices (/dev/cciss/c0d0, /dev/ccss/c0d0p0, etc.) are all present in /dev.
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Jun 22, 2011
Using Fedora 15 64 bit. The problem is when I put in a USB stick (directly into USB port front or back), or SD memory card via Card reader, they take a long time to auto mount. About 30 seconds. I've tried a few different USB sticks and memory cards. Once mounted they work fine. This is a new install, been running for a few weeks, but the problem only seems to have started in the last few days. Also, not sure if it's related, but now Shotwell takes about 30 seconds to start. The screen comes up, but the interface in non responsive for around 30 seconds. Both USB and Shotwell problems seem to have started at the same time.
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Sep 7, 2010
steps to block usb mass storage devices in linux
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Aug 4, 2010
I am currently working on fedora 12.I Tried to install Fedora 13 on my System but dont know why Installation being stopped while looking for basic storage devices .how to come out from the problem?
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Jul 15, 2010
What is the command or script that is run to check the storage devices like Netapp or Hitachi?
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Jun 18, 2014
I want to disable mounting usb storage devices except some devices based on its vendor id. I tried by adding below udev rule in debian wheezy
Code: Select allACTION=="add", SUBSYSTEMS=="usb", RUN+="/bin/sh -c 'for host in /sys/bus/usb/devices/usb*; do echo 0 > $host/authorized_default; done'"
ACTION=="add", ATTR{idVendor}=="054c", RUN+="/bin/sh -c 'echo 1 >/sys$DEVPATH/authorized'"
But it disabled all usb devices(USB keyboard and mouse). How can I allow other devices except storage devices.
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Apr 30, 2010
Getting very frustrated trying to install F12 to my work PC. Its a dell precision 670 with a 3ware 9550sxu raid controller running raid 5. Its consistently crashing at the point when it says 'finding storage devices' with a message about : Mismatched Sizes. What I could try? I had no problem on this machine with fedora 11, so whats changed? Just for info by the way, theres two raid volumes on this system a 750Gb that contains my windows vista installation in a 500 Gb partition (NTFS) and the free space I'm using for fedora. The second volume is a 2TB data volume with a single data partition (NTFS).
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May 3, 2010
Running various applications, including Open Office, I need to open files from my external hard drive, from within said application itself. But the file menus for all my applications list only the files of my primary hard drive, and I can't look at other drives. Surely there must be some way to do this.
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Mar 29, 2010
I am running Lenny. USB storage devices are painfully slow, if the data to be copied is above 4GB it works on transferring for more than half an hour and then comes up with an error dialog(saying something like file size is too big). The problem exists in both read and write.
I did google a bit and here is the output of lsmod | grep hci
ehci_hcd28428 0
uhci_hcd18672 0
usbcore118192 4 usb_storage,ehci_hcd,uhci_hcd
[Code].....
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Apr 17, 2010
The intention is to have this system dual-boot. When i first put it together, i decided to setup a raid5 array spanning 3 sata drives. I installed Windows 7 first, decided i'd get to Linux later. I left 150mb or so at the beginning of the array for /boot, and about 200gb at the end for my linux install. i'm getting to the linux install. My distro of choice is Fedora 12. I start the setup, and at the point where it's time to partition, the installer tells me that its unable to find any suitable storage devices.
I Crtl-Alt-F2 to a console, and fdisk -l. Fdisk reports three individual drives which all have partitions already. All have free space. None make sense. So i turned to google, and found some threads which explain that this chip doesn't run a true raid, rather its what's been referred to as fake raid. Which is that it depends on the windows driver in order to actually present the array to the OS, and that the best way to get by that on linux, is to break the array, and use LVM instead.
That's all well and good, but i lose two things in doing that. First i lose the resiliency of raid 5, and second, well, what does that do to my windows install? I've considered moving all of my data from windows to other machines, and then just starting from scratch, but i'd really much prefer a method of using the chips fake raid in linux. Is there a driver, or module which i can install to make this happen?
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Apr 13, 2010
I'm now having to access a lot of data on a portable hard drive on a regular basis. The drive needs to be used with three different Windows systems, three Ubuntu machines and two slackware units. The data is backed up once per week.
I have been using Ext2IFS to access the data (stored on Ext3) from Windows but keep having problems. Obviously Ubuntu and Slack have no trouble reading or writing to the drive. Additionally, some sensitive data will be put onto the drive shortly and I would like to encrypt it.
What is the best solution here? Is NTFS reliable enough and is data access and writing reliable enough from Linux? Can I encrypt NTFS and still leave it accessible by Linux? What is the best software to encrypt the drive with (if I can) that is accessible by both Windows and Linux?
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Sep 13, 2010
Got Wintendo7 on one samsung S-ATA disk. ( need it for starcraft2 and Homeworld2... sorry.. )
Now..: Booting Debian Unstable from USB or CD-ROM, then start installer. Tell it to install on second samsung S-ATA disk.
Before I go on, I just feel i will get into some serious trouble with GRUB?
Or will the installer understand, and see the windows7 installation and add it to Grub?
If not, what should I do inside /boot/grub/menu.lst when Debian is up and running?
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Oct 8, 2010
i want to run a homeserver here for centralized data storage and more...features required:
client compatibility with most Linux distributions, MS Windows 2000, XP, Vista, 7, XBOX!
harddisk shutdown if not in use (got some real noisy ones)
easy administration?! (maybe web-based?)
security! no files or folders over the internet (yet)
[code]....
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Sep 28, 2009
I had Windows 7 and Windows XP. It was 3 partitions in one HD (two OS' and one for files) and another separate HD (which doesn't have any system, it's just media files and stuff). When booted, I used to get the Windows 7 screen, that allowed me to either boot 7 or XP. I thought I had tested 7 enough and wanted to try Ubuntu, so I (from the Ubuntu CD which I downloaded and burned) deleted the 7 partition and made a 2GB swap partition, and, what was left, an Ubuntu partition on which I installed it.
Now when I boot I get an Ubuntu boot screen that shows several Ubuntu options and a WinXP option. Ubuntu works fine, but if I choose WinXP, I get "Error 12: Invalid device requested". I didn't change anything more than what I said. The details for the WinXP boot option seem to be:
rootnoverify (hd0,4)
savedefault
makeactive
chainloader++
What can I do to be able to boot WinXP again? (and also Ubuntu, whenever I want to). The only thing I can think of is using Windows XP CD's restore thing to restore the boot menu, but that would stop me from using Ubuntu...
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Oct 2, 2010
I have multiple distros that I chainload and I have installed a grub2 shell to the partition and can boot manual. I can not seem to get a grub.cfg file to work. Is there a directory that needs to be built for this file?
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Feb 15, 2010
I finally have decided to give ubuntu a shot.Windows is becoming too familiar, and it's been forever since I have used command line since DOS.I really need some humility, and I think that Linux will teach me some.I am going to give it a whirl on a "spare" machine, dual booting with Windows 7 64 on two separate hard drives. I'm burning the ubuntu live cd x86 right now. I am going to unplug my windows drive and start the installation.
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May 18, 2010
The hardware is a psystar box with 2 drives for os x and ubuntu respectively. I attempted install of ubuntu over older version of xubunut without physically disconnecting the os x drive After install I could not boot into either system. THEN I remembered something about the install problem that 10.4 has and installed ubuntu again, this time following the instruction regarding booloader install. Now I can boot ubunut fine, but of course when I select drive holing os x it hangs on 'Verifying DMI pool data....' I've been looking at some thread on here about dual boot problems with Win7 and such, but are any of the recommended diagnostic and repair steps relevant to my case, specifically testdisk and bootinfo scripts?
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