Creating Hardware or Software RAID 1 setup on two existing drives: How? (Fedora 10)
location: linuxquestions.com - date: January 2, 2009
Prior setup: windows 2003 server with two 400GB SATA drives running on a Promise TX2300 Raid controller set up as RAID 1/Mirror.
Hardware has stayed the same, but the box has been moved to Fedora 10. The OS can see all of my physical drives--no problem. Both of the two prior drives maintain the former drive label (VCMIRROR) and mount at startup. Currently the devices mount at /dev/sdb1 and /dev/sdc1.
What I can't figure out is how to create a mirror raid on these drives (in Linux). Formatting the drives is no problem; data was properly backed up and verified.
The point of all of this is to run an XP VM in VirtualBox (successfully done on my laptop; that part is easy), but the essential problem is that when setting up the XP virtual drive, I'm out of space (the actual Fedora OS is installed on a 40GB drive, and I need XP to have the full 400GB that the mirror provides).
EDIT: Something is somewhat working....
It looks as if I've gotten the RAID to work, but I can't seem
Hardware or Software RAID?
location: ubuntuforums.com - date: June 18, 2012
Hello everyone. As I try to grow in knowledge about administering Linux servers, I have started a small Ubuntu server at home for testing purposes.
I bought this custom built server for $5 from work (Core 2 Duo 1.8GHz, 8GB RAM, 5x750GB HDDs w/Hardware RAID) and while it very poorly runs Windows SBS 2011 (which is what I wanted to study in the first place), I decided to get cracking on my Linux server skills.
Now that I have Ubuntu Server 12.04 installed, I noticed that it did not pick up on my hardware RAID 5 config with 4x750GB HDDs (due to drivers, I'm sure). The server does not have a RAID card but more just built into the mobo. I haven't done a ton of research on this particular model mobo but I didn't know how much luck you guys had with hardware RAID and Ubuntu in general. Do I need to use Ubuntu's software RAID instead? Any general experience you can share with this?
Once I can get this RAID 5 configured on my Ubuntu server, I will be using this as a Time Machine
Software RAID 1 setup w/ existing ext2fs partition
location: linuxquestions.com - date: January 26, 2002
I have read in the RAID mailing list archives that it is possible to take an existing ext2 fs and an empty disk and make a RAID 1 array containing the data on the existing fs.
The way they advise doing this is in the 4th section of this howto:
They advise making a raidtab with the new empty disk as a disk on the array and the existing partition listed as a failed drive.
They then say to initialize the array as usual, start it up, copy all the files from the existing partition to it, then stop the raid. You then edit the raidtab and list the failed disk as a good disk and turn the array back on.
This seems to me like you are making a single drive raid partition, copying all the crap to it, then adding the original disk to the raid array and the old data gets overwritten with the copy from the new drive.
This is great except I am extremely anxious to perform a format with my existing partition listed at all!! Even as a
Which one is better for my CentOS? Hardware RAID using Dell PERC 6 or Software RAID? [closed]
location: linuxexchange.com - date: August 18, 2014
I would like to setup RAID 0 for my Dell 2900 server. Which one is better, using hardware RAID (using installed Dell PERC 6 controller) or software RAID? The RAID 0 is for database.
Number Pad Problem Hardware or Software???
location: linuxquestions.com - date: February 9, 2007
About a week ago, I dropped my keyboard; about a week ago, I installed a new monitor. I had to do some adjusting to my xorg.conf to get my monitor to work, and I don't think that I did anything to the keyboard section.
When I want the NumLock on and press the button, the LED lights up...but the number pad behaves exactly as if NumLock weren't activated. It is the same when the NumLock is off.
I did drop the thing, and I looked inside and couldn't see too much out of the ordinary. I just wanted to know if there were some Linux or X setting that I might have overlooked which would override a NumLock. Do I need a new keyboard?
Hardware or software problem? (broken pipe, mouse and keyboard does not work)
location: ubuntuforums.com - date: November 29, 2013
I am having some serious problems and I cannot figure out if it is related to software or hardware.
Regularly my computer starts up, but I cannot use neither the inbuilt keyboard nor touchpad. Nothing happens at all. When I am somewhere without an external mouse I take out the battery to reboot. With an external mouse I can shot the computer up and start over again. Usually after numerous attempts (10 or so) it will eventually start up working.
Also, the computer will not restart. When I attempt it goes in a weird state that looks like stand-by, but from where I can neither turn it off nor on (except by removing the battery and starting over).
When closing down a get a message about a broken pipe (see screenshot below)
Ubuntu 12.04 LTS
Toshiba Satellite C855D-160
Any help will be highly appreciated!
NB: I have previously posted here
Software RAID 1 setup on CentOS using Grub boot loader
location: linuxquestions.com - date: November 29, 2005
I am trying to setup a RAID 1 on my system that has 2 identical IDE hard disks. I am installing CentOS 4.2 x64 and doing a software RAID.
This is what my partitioning look like:
/dev/md1 2000MB Swap
/dev/md2 76096MB ext3 /
hda1 196MB ext3 /boot
hda2 76096MB SoftwareRaid
hda3 2000MB SoftwareRaid
hdb1 196MB ext3 /boot2
hdb2 76096MB SoftwareRaid
hdb3 2000MB SoftwareRaid
Okay... When I was googling for help I read on a site that it is not recommended (or not possible, I can't remember now) to create a mirror of the /boot partition. So, that's why I created /boot on my hda1 and had to call it /boot2 on my hdb1 (some temporary name I picked) - originally I had them mirrored and it was called /dev/md0 and I installed centOS and wasn't able to boot successfully. Ther
Problem with mouse on netbook hardware or software?
location: ubuntuforums.com - date: January 19, 2010
I have an Acer Aspire One netbook that went in for repairs recently, after it died abrutply for no apparent reason.
Now that I have it back, there is a very odd mouse problem that only happens under Linux. I'm trying to determine whether it's a hardware problem, or a previously unknown bug which is peculiar to Ubuntu-based Linuxes.
The problem is that after a variable amount of time, the left mouse button stops working. That is, no matter what mouse I use, I can't do a left-click. The problem occurs with the built-in touchpad as well as a USB mouse, and only affects the left button. I can still right-click, but having no left-click makes it impossible to do anything but drop to the command line & reboot from there.
I've tried 3 different mice, all wireless, plus the built-in touchpad. Same problem in all cases. All 3 wireless mice work fine on other machines, even other Acer Aspire One netbooks, regardless of OS. The mice are two different models of Logitech wireless
Firewall: hardware or software
location: linuxquestions.com - date: January 18, 2002
I'm looking into installing Mandrake on my computer, which is currently running win2000 (would be a dual boot system). For win2000 I am thinking about buying a Netgear router/firewall. Does Mandrake/linux offer a low overhead secure software firewall, which would make a hardware firewall redundant and not very usefull? If I can stay away from hardware, I can save $140 (cdn).
Hardware or software firewall?
location: linuxquestions.com - date: September 19, 2002
On my small home network I use a cablemodem and an SMC cable router with a built in firewall/print server and 4 port switch. I was thinking about using one of my old boxes to set up a Linux based firewall, Freesco to be nore precise because I heard that it is easy to set up and I dont know much about firewalls. My question is weather there is an advantage or disadvantage for that matter to using the Linux firewall over the one built into my router. Also, does the processor speed of the firewall box have any affect on your internet access speed? Like if I stick a p133 between my P4-1.4 and the outside world will it slow me down?
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