Debian :: Make A Boot RAID0 LVM On A Pair Of SSDs
Aug 20, 2015
I would like to make a boot RAID0 LVM on a pair of SSDs (sdc and sdd). The system is already running off of a HDD. I built the RAID0 through the Asus BIOS on the Intel controller. I see:
# cat /proc/mdstat
Personalities : [raid0]
md124 : active raid0 sdc[1] sdd[0]
59346944 blocks super external:/md126/0 32k chunks
md125 : active raid0 sda[1] sdb[0]
222715904 blocks super external:/md127/0 32k chunks
[code]....
My challenge is that when I open Gparted, it only show one disk at a time. I would like to learn how to use Gparted to partition this RAID0 with a UEFI sector and LVM for the rest.
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Feb 15, 2015
I have two SSDs on which I have configured md RAID 0, with a 16 KB chunk size. My understanding is that Wheezy (and later) installations are smart enough to align partitions on block boundaries, even in md RAID configurations, but to satisfy my own natural distrust, how do I go about actually confirming that it has done the right thing? I have a single root logical volume within an LVM partition, but neither the logical volume nor the LVM partition occupy all available space, and the LVM partition is offset from the end of the disk.
My concern arises from the fact that, when I look at the sysfs entry for my root partition:
# cat /sys/devices/virtual/block/md126/md126p4/start
804818048
This number is not evenly divisible by 4096.
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Oct 14, 2014
I am currently trying to install Debian Wheezy 7.6 x86_64 on an Intel Server System R2224GZ4GC4, but the Installer doesn’t recognise any of the devices attached to the onboard SATA controller.
Debian Version
Debian Wheezy 7.6 x86_64
Hardware used
Server: Intel Server System R2224GZ4GC4
Motherboard: Intel S2600GZ4
Onboard SATA Controller: Intel Patsburg 4-Port SATA Storage Control Unit (rev 06)
Device on Port 0: Samsung 840 Pro Series SSD
Device on Port 1: Samsung 840 Pro Series SSD
Device on Port 2: Samsung 840 Pro Series SSD
Device on Port 3: Intel 510 Series SSD
While the onboard SATA controller does support so-called “fake RAID,” this ‘feature’ has been disabled (i.e., the BIOS setting “SAS/SATA Capable Controller” is set to “INTEL(R) RSTe”). This is confirmed by the controller during the boot-up URL...Weirdly enough, the Intel 510 Series SSD contains an old system (Debian Squeeze 6.0, Kernel 2.6.35-5-amd64), which can boot and which does recognise all SSDs.
Remedies tried
* I’ve compiled the list of SCSI, SAS and block device related modules that the Squeeze-System, which recognises the SSDs, used and manually loaded these modules during the install process.* I’ve tried to rescan the SCSI bus by:
Code: Select allfor host in /sys/class/scsi_host/*; do echo "- - -" > $host/scan; done* I’ve tried to remove all disks, save for the Intel 510 Serives SSD.* I’ve tried all of the above combined.
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Jun 15, 2010
I'm using debian lenny (5.0.4) on 3 different laptops, two fresh installs and one was installed with etch and then updated.In the one that has been updated pairing works without any problem, while in both the others it doesn't work. I can see this on syslog when I try pairing from the phone:Jun 15 10:31:02 robertof-lt hcid[17891]: io_capa_response sba=00:22:5F:00:C2:1F, dba=C0:38:F9:D3:29:A3)Jun 15 10:31:02 robertof-lt hcid[17891]: io_capa_request (sba=00:22:5F:00:C2:1F, dba=C0:38:F9:D3:29:A3)Jun 15 10:31:04 robertof-lt hcid[17891]: No agent available for user confirm request
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Mar 27, 2015
I installed the Open Source Media Center (OSMC) on my Raspberry Pi 2. It's based on Debian Jessie. I bought a Blueooth Keyboard (Keysonic KSK-3211) and an USB-Bluetooth adapter (CSL Bluetooth Stick Nano). And now I am looking for a way to pair the keyboard with the raspberry via command line.
I'm new to all this bluetooth stuff in debian. It's the first time I try to install it. As far as I've understood I need an agent that is started with the pairing PIN. Then I type this PIN at the keyboard and that's it. Am I right?
The problem is, that every agent I've found in howtos or descriptions like bluez-simple-agent or bluetooth-agent (like described here [URL] ....) is not installed (and as far as I know can't be installed) under Jessie.
The bluetooth adapter is recognized
Code: Select allosmc@osmc:~$ hcitool dev
Devices:
hci0 00:1A:7D:DA:71:0C
the keyboard is found
Code: Select allosmc@osmc:~$ hcitool scan
Scanning ...
00:12:A1:70:42:28 Bluetooth Keyboard
And I can ping the keyboard
Code: Select allosmc@osmc:~$ sudo l2ping 00:12:A1:70:42:28
Ping: 00:12:A1:70:42:28 from 00:1A:7D:DA:71:0C (data size 44) ...
0 bytes from 00:12:A1:70:42:28 id 0 time 14.82ms
0 bytes from 00:12:A1:70:42:28 id 1 time 9.91ms
0 bytes from 00:12:A1:70:42:28 id 2 time 32.62ms
0 bytes from 00:12:A1:70:42:28 id 3 time 28.81ms
^C4 sent, 4 received, 0% loss
So everything seems to be ok ... but I can't find the command for pairing the keyboard. Looks like something changed in Jessie so that the old tutorials are outdated.
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May 9, 2011
I recently upgraded this machine from Ubuntu Maverick 10.10 to Debian Squeeze, x86_64, by wiping the root partition (I kept my backup and my home partitions). Everything has gone OK except this: for whatever reason I cannot pair my Microsoft Bluetooth Notebook Mouse 5000 with this machine any longer. In bluetooth-applet I can see the mouse when I go to pair it with the machine, but it simply times out and the pairing fails.
The target mouse definitely used to work in Ubuntu, so I doubt it's a problem in the physical layer. I tried another Bluetooth mouse (a Rocketfish/BestBuy POS), and it doesn't pair either. The Microsoft mouse I would like to use pairs just fine with my Debian squeeze laptop, but they're not using identical Bluetooth adapters as far as I can tell. lsusb reports that I've got a Broadcom BCM2210 in my workstation (the subject of this post), and lsusb on my laptop reports some kind of Broadcom Bluetooth adapter, but doesn't report its chipset.I'd really like to stay on squeeze if possible, but my googling for this has only led me to old documentation, or stuff that applies to wheezy or sid.
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Jul 15, 2010
I upgraded my 9.10 installation to 10.04 and decided to try out btrfs on a some spare drives in the system.sudo mkfs.btrfs -m raid0 /dev/sdb /dev/sdc /dev/sddthe only way the system sees the btrfs array is by running btrfsctl -a and then mounting /dev/sdc. but that has to be done in userland, not at boot. if i try to mount it via fstab, ubuntu won't load because it can't find the mount point./dev/sdc /Images atasum,thread_pool=128,compress,rw,user 0 0so where am i going wrong? I tried mounting via the UUID also but that didn't seem to work for me either.
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Mar 27, 2010
I have ubuntu server 8.04 installed. It uses software raid0 (mdadm, two hard disks: sda and sdb). The server crashed after power failure. When trying to boot I get the following messages:
[Code].....
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Jun 9, 2010
I've planed to install Ubuntu Lucid Lynx 10.04 x64 on my rig. dual boot setup windows 7 preinstalled Intel ICH10R RAID0 manual partition setup 200mb ext3 /boot 2gb swap 100gb ext4 / GUI installer can see my RAID and allows me to create this partitions manually. But when install begins i'm getting error :
Quote: The ext3 file system creation in partition #5 of Serial ATA RAID isw_dgaehbbiig_RAID_0 (stripe) failed
[Code]...
fdisk -l from Live cd shows me separated HDDs without RAID0 wrap (sda and sdb) Also in advanced section where i can configure boot loader default is /dev/sda, which is part of RAId_0. I'm checking isw_dgaehbbiig_RAID_0 as location for loader, assuming that this would be MBR. am i doing this step right?
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Oct 12, 2010
I have a Raid0 setup (see below for details) connected to the ICH10R raid chip on my Gigabyte EX58-UD4P motherboard. On every second og third boot I get the following error:
Code:
udevd-work[157]: inotify_add_watch(6, /dev/dm-1, 10) failed: no such file or directory
udevd-work[179]: inotify_add_watch(6, /dev/dm-1, 10) failed: no such file or directory
The system halts for a seconds or two and then boots on like nothing has happend.
My setup is as follows:
Two 500gb discs in Raid0 on the ICH10R. The first partition 100 mb is a Windows 7 system partition (gaming etc.) and then a 300gb partition for the actual Windos install. Then Ubuntu 10.10 with /, /home, /swap and then five data partitions. Grub is on the Windows system partition.
Ubuntu 10.10 x64 installed via USB. No problems during install. Besides that I have 2x300gb dics on the Gigabyte built in raid controller. Installed with a Hackintos setup using Mac software raid.My fstab looks like this:
Code:
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
[Code]...
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Mar 21, 2010
I just have a few questions about LVM and RAIDs. It seems they are basically the same thing. Is this correct? I can add two drives together on both of them and it appears as a larger drive, along with other setups like raid1 and raid5, etc.. And is there a difference in performance between them?
And my second question.. I know one is stripped and one is not, but is the performance between a raid1 and a raid0 the same? I've been told that raid1 is faster than raid0 because the data is written twice.. and therefore can be read from two different disks which equals faster read speed, but slower write speed since it writes to the two.
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Apr 18, 2010
New to Linux and am wanting to install ubuntu 9.10 or 10.04 on a single separate 80gb drive. I have Windows installed on 2 80gb drives in Raid0 (nvidia controller) .I have installed 9.10 but Win7 will not load from the bootloader : gives me the error invalid signature. I've looked around and tried a few things to get it to load with no success.. is the Raid0 the issue?
If I try to install 10.04 it will hang and eventually errors out, I believe on the raid drive because it comes up with dev/mapper/nvidia_hhfbdccf1..
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May 27, 2011
My old computer started randomly rebooting so I went out yesterday and bought a new one. It's a standard Intel 64 architecture with 2gb ram etc.The old computer was running Lenny however I'm happy to upgrade, so I just went to the main Debian download site and downloaded:debian-6.0.1a-ia64.netinst.iso (this didn't work, apparently ia64 is for itanium and my machine is definitely not that), so I downloaded: debian-6.0.1a-amd64-netinst.iso, burnt the CD and ran the install. First time through I had a power failure.
Second time through (a complete fresh start - new partition and everything) it went all the way through to completion and reboot.Clicked 'Continue' to reboot and the machine reset as it would normally and the Grub loader started okay, prompted for the "Debian amd64" standard boot image, selected that and the first 6 lines appeared normal, then the messages wizzed by so fast that only superman could read them. Then they stop - here is some of the content...
[3.816673] Kernel panic - not syncing: Attempted to killl init!
Call trace:
get_empty_filp
panic
[code].....
Running it again I get similar stack stuff but it's a different place: [3.541816], [3.427502] And sometimes if I wait for a minute or two it will continue on further but appear to crash again. Hardware details (everything is onboard - no added cards):
G41M-S3
Intel G41 + ICH7 chipsets
CPU: LGA 775 for Intel Core 2 Extreme
[code]......
Is the amd64 the wrong image? Should I try i386? Is it a blip and I should just rerun the entire install again?
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Mar 16, 2011
I know that boot partition is possible to create within debian distribution that has grub 2.0, as I have done before with ubuntu. I have been trying many different options with my preseed file but it keeps taking the boot partition out of LVM and creating and extended partition too and then creates the LVM primary partition.
### Partitioning.
# you can specify a disk to partition. The device name can be given in either
# devfs or traditional non-devfs format. For example, to use the first disk
[code]....
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Mar 16, 2011
I know that boot partition is possible to create within debian distribution that has grub 2.0, as I have done before with ubuntu. I have been trying many different options with my preseed file but it keeps taking the boot partition out of LVM and creating and extended partition too and then creates the LVM primary partition. My preseed file is below:
code:
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Mar 16, 2011
I know that boot partition is possible to create within debian distribution that has grub 2.0, as I have done before with ubuntu. I have been trying many different options with my preseed file but it keeps taking the boot partition out of LVM and creating and extended partition too and then creates the LVM primary partition. My preseed file is below:
code:
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Aug 18, 2009
Does CentOS 5 support the ATA TRIM command for use with SSDs? Is the support automatic by default, or would I need to do something specific in order to enable the TRIM feature be used?
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Feb 4, 2010
Does Suse have any software based TRIM support available or that is in the works?I know there is to a degree new firmware becoming available that supports TRIM (although some are pretty rudimentary) but windows 7 does a fairly good job software side and upgrading the firmware occasionally involves the unbridled joy that is wiping the drive and starting again.
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May 3, 2011
HDD vs SSD durability
After reading Jeff Atwood's recent blog post on solid state drives, I'm somewhat deterred in wanting to own one. I basically want to use solid state drives in my home network for the following purposes (all machines running 64bit Linux):
My main (pwn3r) desktop computer. This will be my main workstation for work, video encoding, etc. This will be running an Intel 980x 6-core processor, making it a beast. My hard disk configuration will be:
RAID-0: 2 Crucial 128GB Solid State drives for the main operating system(s), essentially providing 256GB of incredibly fast storage.
RAID-1: 2 WD 2TB Hard Disk drives for media and backup storage.
My network firewall computer. This will be running Untangle on my home network for content filtering and firewalling (if that's a word). It will be running an Intel Atom D525 dual core 1.8GHz processor. The hard disk configuration will consist of a single small 16-32GB solid state drive for the operating system and little, if anything, else.
My home HTTP/SFTP/file/backup server. This will be running a dual-core Intel i3 processor; it will be used for some video encoding, as a local DLNA server, a HTTP server for a few largely static files and perhaps some interactive scripts, a SSH server, possibly OpenVPN, and will be used to back up critical files over the network. It will be running RAID-X (where X > 0), meaning RAID-1 or RAID-5 or 6 for fast, redundant data storage, as well as a small SSD for the operating system.
I'm not exactly made of money, and I can't really count on buying four new SSDs every year or so. I can understand replacing them in computer number 1 once a year... maybe, but for the other computers which won't be utilizing the drive very much (ie: they're not power machines), it seems ridiculous to buy new drives this often.
My question is this: can I actually depend on solid state drives like I would on hard disk drives? Also, is this the best economic option? I'd like to save as much power and heat as I can, and solid state drives seem to be the best option at this point.
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Feb 25, 2011
Hi all,
how can I make vncserver starts on boot?
Realvnc was installed by "apt-get install vnc-server" command.
There in NO start-stop script in /etc/init.d/ (is it ok? ), so I can't use update-rc.d. When placing
vncserver
or
/bin/bash -c "cd /root/ && vncserver :1" 2> /tmp/vncstart &
in rc.local it starts nothing but "vncpasswd //.vnc/passwd" (and YES, there is password in /root/.vnc/passwd)
Please, help!
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Aug 16, 2010
I have a Redhat Enterprise Linux system and I want to re-make it as Debian. I downloaded the Debian netinst iso but can't seem to make a bootable CD out of it, and I haven't found any adequate explanations anywhere.
I tried burning the iso directly to a disk. i set up the boot order in my BIOS but when I restart the machine it spins the CD drive a few times and then moves on to the hard drive.
I tried expanding the iso into a directory, and then copying all those files into into the "Blank CD-R Disc" on my Gnome Desktop, burnt the CD, and still no boot.
I found some instructions using X3b, but X3b was giving me errors.
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Sep 14, 2010
I just installed Debian on the unused part of my HDD. It did not pick up the other OS I have on this PC, but the installer said I could later edit GRUB to make the other OS boot again. I have looked around and done some searches with no luck.
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Jan 12, 2011
I have been thinking about upgrading my RAID setup from a pair of Intel X25s running the software based RAID included with ubuntu to four Intel X25s running off a PCIe based controller. The controller is an HP P400 which I know works great on ubuntu (I have other machines running it with SAS drives). My desktop has an Intel S5000XVNSATAR mainboard and I have an open PCIe v1.0 8x (physical) slot that is wired 4x. The controller is 8x and will fit fine. How much of a performance hit do you think I will see running this 8x controller in the slot wired 4x with four Intel x25s in a RAID 10? Will I have enough bandwidth with the 4x for those SSD's?
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Jan 5, 2010
so as my title implies I like to login to my headless debian box after it reboots yet havent found any info on that. Can someone please tell me of script which I suppose would be used to make vino start as a process right after boot
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Mar 3, 2010
I like to login to my headless debian box after it reboots yet havent found any info on that. Can someone please tell me of script which I suppose would be used to make vino start as a process right after boot.
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Jun 2, 2011
I have a Dell PowerEdge SC1425 with two SCSI-disks, that I have tried installing Debian Squeeze on. This machine has previously been running Lenny (with grub 1), and the upgrade was done by booting a live-cd, mounting the root partition and moving everything in / to /oldroot/, then booting the netinstall (from USB), selecting expert install and setting up everything (not formatting the partition).
Both disks have identical partition tables:
/dev/sda1 7 56196de Dell Utility
/dev/sda2 8 250 1951897+ fd Linux raid autodetect
/dev/sda3 * 251 9726 76115970fd Linux raid autodetect
/dev/sda1 and /dev/sdb1 contain a Dell Utility, that I have left in place.
/dev/sda2 and /dev/sdb2 are members of a Raid-1 for swap.
/dev/sda3 and /dev/sdb3 are members of a Raid-1 for / formatted with reiserfs.
After installation, grub loads, but fails with the following message:
GRUB loading.
Welcome to GRUB!
error: no such disk.
Entering rescue mode...
grub rescue>
Doing "ls" shows:
(md0) (hd0) (hd0,msdos3) (hd0,msdos2) (hd0,msdos1)
I can do the following to get grub to boot:
set root=(hd0,3)
set prefix=(hd0,3)/boot/grub
insmod normal
normal
This will bring me to the grub menu, and the system boots.
It appears that grub has only found md0, which I believe is the swap partition, because ls (md0)/ returns error: unknown filesystem. I have installed grub to both sda, sdb and md1, and tried dpkg-reconfigure grub-pc and dpkg-reconfigure mdadm, as well as update-grub.
I manually added (md1) /dev/md1
to /boot/grub/device.map, but still no result.
I have run the boot_info_script.sh, but unfortunately I cannot attach the RESULTS.txt, because the forum aparently does not allow the txt-extension. Instead I have placed it here: [URL]. I am tempted to go back to grub-legacy, but it seems I am quite close to getting the system working with grub2.
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Mar 14, 2011
I have an old version of DSL installed, followed by XP. On a further partition I installed Debian 6. Installation of Debian went smoothly, including the final detection of the other two OS for Grub. I had expected that the Debian-version of Grub would override/overwrite the one that came when I installed DSL.
It did not - when I boot, Grub comes up with the old DSL menu, in which Debian is not included.
From what I've been reading about Grub, there's two "fases", first in MBR, that points to the second part where the actual boot-commands are given, in my case stored in DSL.
When I open the Grub config-file in Debian, both DSL and XP are correctly listed.
Now I'm not sure what to do - I'm a bit hesitant to try and point grub-fase-1 to Debian (if I can write the correct lines at all, I'm very insecure on that) - if that fails, I cannot boot at all. But I'm not really sure either how to formulate a new rule in the DSL-grub, to make Debian boot from the existing menu.
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Jan 23, 2010
I recently installed openSuse 11.2 with KDE4.3...When I try to pair my phone, the bluetooth manager finds my phone. However when I try to connect it says "your phone doesnt support input". My phone is set to "discoverable" (ie. visible to all). But, it just wont work.I had it working on previous systems. But not this time.
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Jun 25, 2010
I thought I had a handle on Enigmail based on my playing on a test machine. I have run across one perplexing problem on my "production" PC.
Ubuntu 10.04
Thunderbird 3.04
Enigmail 2.1.0.1
I have five email accounts configured in Thunderbird. I configured 2 of the accounts successfully with individual key pairs. I have a key pair for a third account which I created on a test machine, exported to a file (public and secret keys) and imported on the production machine.When I walk through the OpenPGP setup wizard to the point of selecting a key for the email account I do not find the key which I imported. They key does show in the key management tool.
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Jul 12, 2010
I have laptop with bluetooth and I bought PS3 bluetooth remote. In windows this remote is working with EventGhost and I would like to use it in Fedora as well. This remote has to be paired without a pin code, which is how I paired it in windows.In Fedora, however, there is no such option "no pin" when using a standard way to connect bluetooth device.How can I pair this remote in Fedora?
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