Hardware :: JBOD Function - Plugging In Third Drive?
Mar 26, 2011
I am setting up another computer with Debian 6 stable and I have only 2 normal sata slot on the motherboard, the board has also 2 other Raid sata slot, I don't want to use Raid, can I just plug my 3rd drive into one of those. I read that I can use those slot as JBOD (just another bunch of drive). By running a Mandriva live cd before I install any OS, I don't see that 3rd drive. I don't see anything about JBOD in the bios.
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Jan 12, 2011
I put together a NAS-like device using a 2-slot USB JBOD enclosure and an eBox-3300. I'm using Ubuntu Server 8.04 Hardy as an OS for the eBox. I have two WD EARS drives hat I intend to use in the USB enclosure, one 1TB large, the other 2TB. I managed to install Hardy on the 1TB drive and boot from it. The 2TB drive is preformatted XFS. If I add the 2TB drive in the enclosure, it does not show up in /dev in ubuntu. In the device's BIOS, both drives appear just fine with correct IDs, so I'm guessing the problem is with ubuntu.
P.S. dmesg report regarding usb:
Code:
[ 6.436689] usbcore: registered new interface driver usbfs
[ 6.436872] usbcore: registered new interface driver hub
[ 6.437094] usbcore: registered new device driver usb
[code]....
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Feb 17, 2011
I'd like to know if it's possible to automatically mount, and fire up rsync to sync a USB drive with a directory? Specifically, I'd like to copy as much data as the drive can hold and only delete the oldest files if space is needed. I would assume I'd do something like this with a script, but my problem, is where to start.
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Jul 23, 2010
I once plugged in my mini video camera (6, good buy), and I accidentally clicked on 'Always use F-spot to open this kind of device'. The problem is, I can't set it back to nautilus. I've looked everywhere, including right clicking on the drive in 'Computer', but the default application in the 'properties' window is set to 'open folder'. When I right-click on the drive, I still see F-spot on the list. If I select 'Open with other application', I can't change it from F-spot.
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Feb 11, 2010
Is it possible to automatically run a program on a USB Flash drive upon plugging it on a computer?the program should create a text file inside the USB flash drive as i plug it on the computer? Is this possible? how can i do this? autorun.inf doesn't work. Are there any solutions? by the way, i am using kernel 1.0 on my computer...
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Jan 5, 2010
On a new 13 install using xfce pluggingin a usb thumb drive causes two file manager windows to open on the desktop.
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Aug 15, 2011
Having alot of trouble searching for answers as it just pulls up irrelivnent info.I have 2 HDD's id like to show as one virtual disk or mount them both to one folder, but without raid so if i dies the other will be ok. Is this something i can achieve with symbolic links or JBOD raids? or other options ^_^
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Oct 17, 2010
So I configured a couple of hard drives as JBOD in the BIOS. The boot up screen says they're in JBOD configuration. However when I boot into Ubuntu 10.10. I still see them as 2 separate disks and I mount them separately and write to each separately. I never used JBOD before but I would assume it would be like a RAID where the disks would show up as one volume.
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Jul 6, 2010
So I have a system that is about 6 years old running Redhat 7.2 that is supporting a very old app that cannot be replaced at the moment. The jbod has 7 Raid1 arrays in it, 6 of which are for database storage and another for the OS storage. We've recently run into some bad slowdowns and drive failures causing nearly a week in downtime. Apparently none of the people involved, including the so-called hardware experts could really shed any light on the matter. Out of curiosity I ran iostat one day for a while and saw numbers similar to below:
[Code]...
Some of these kinda weird me out, especially the disk utilization and the corresponding low data transfer. I'm not a disk IO expert so if there are any gurus out there willing to help explain what it is I'm seeing here. As a side note, the system is back up and running it just runs sluggish and neither the database folks nor the hardware guys can make heads or tails of it. Ive sent them the same graphs from iostat but so far no response.
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Nov 3, 2009
I have a start and stop script registered with chkconfig for a fuse mounted drive. I can /sbin/service scriptname start
and
/sbin/service scriptname stop
with no issues.
The stop script unmounts the drives and then stops the service with a function to wait until the pidof service is gone. My drives are showing up as dirty on reboot, which should mean that my script that functions normally in cli, is running out of time and possible being ignored by service after a certain wait period when shutdown -h now is issued. System is a remote server so I can not view the output during shutdown. How can I increase the wait before /sbin/service issues a [FAILED] if that is the case on shutdown? The startup script runs, however the shutdown script does not...the script does work though with the service scriptname stop command.
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Mar 24, 2011
I bought a multifunction stylus sx218 Espon model and I can not run the scanner function. I did some research and found a few solutions and very functional. I hope someone solves the problem. My version of openSUSE 11.2.
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Nov 16, 2010
Code:
#include <iostream>
using namespace std;
[code]...
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May 18, 2010
I am doing some Linux kernel programming for my research project. I need to record the timestamp (by using cpuid and rdtsc) when an interrupt handler (top half) is first invoked. Due to the time critical nature of the problem itself, I have to do the timestamping inside the interrupt handler itself (the first operation when the handler is called). However, I understand that tasks that are not so time critical should be deferred to a tasklet function (bottom half) for processing because other interrupts are disabled in a (top-half) interrupt handler. I am currently out of idea on how I can pass the timestamp information that I have obtained in the interrupt handler to the corresponding tasklet function.
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Mar 9, 2010
I have a problem mounting my ntfs-formatted hard drive correctly, when it's connected to Adaptec RAID 5405 like single volume (JBOD, "Just a Bunch Of Disks")
BUT!!! It mounts root-read-only just with "mount /dev/sdb1 /mnt/win"
AND
mounts fine according the fstab line if I connect SATA-cable to motherboard, but no adaptec raid 5405 (no JBOD) code...
So, how can I make the JBOD mounts for -rw and any user?
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Mar 30, 2011
I'm currently using OpenSuse 11.1 web server. This is bad since 11.1 is no longer supported. the reason why I am using it is because Function set_magic_quotes_runtime() was no longer being used. (so I was told)
That being said, is there a way to get Function set_magic_quotes_runtime() to function on the newer versions of OpenSuSE?
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Feb 21, 2010
the function terminates if no key is pressed for 10 consecutive seconds. I tried using the -t option as suggested in some forums, but my version of showkey doesn't have the option of changing the timeout. The options I get are:
-h --helpdisplay this help text
-a --asciidisplay the decimal/octal/hex values of the keys
-s --scancodesdisplay only the raw scan-codes
-k --keycodesdisplay only the interpreted keycodes (default).
Is it possible to write a script to use this function and still keep the function active until an interrupt is recieved?
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May 23, 2010
why my wireless adapter drops out when I plug in my web cam.
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Aug 2, 2010
The computer is an ASUS g50v. I tried plugging it into my tv via the built in HDMI and now my sound won't work.
aplay -l:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC663 Analog [ALC663 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
[code].....
I have double checked that alsamixer is not muted and have done a clean install of my drivers.
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Nov 14, 2010
I just installed Ubuntu 10.10 32 bit on my desktop and I've encountered a curious and somewhat frustrating issue. It appears that when I plug a flash drive, external hard drive or MP3 player into a USB port my computer turns off. Sometimes it happens instantly, other times it occurs a minute or two later when I'm transferring files. I'm not sure how to approach this issue. I've searched the forum and haven't found any mention of this. I am working on said desktop and all other hardware seems in good working order. If it helps, This is a 3 year old desktop with an AMD Athlon 64 X2 4600 cpu, a ABIT NF-M2S AM2 NVIDIA GeForce 6100 motherboard, an EVGA GeForce 7600GT video card and a SATA harddrive. I can post a log if someone wants, not sure which one to post though.
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May 12, 2011
Have tried to find an answer over at over LoCo (Sweden) with no result...Does anyone know how to stop Banshee from autostarts when I plug in a USB-drive, my iPhone or what-so-ever! Banshee even autostarts when I'm doing a "Connect to server" O_oHave even googled for it, with no result and it's bugging me off real hard that Banshee autostarts!Edit: If I remove Banshee, and still plugs a device in it now autostarts in qmm
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Oct 14, 2010
If I plugin a USB drive (external hard drivee) into my running Fedora 13 64-bit system - it occassionally freezes up. This behavior is intermittentI could not trace it to any /var/log/messages yet.
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Jan 15, 2010
One of my servers contains two scsi enclosures. After hot removing a disk and hot adding another the new disk gets assigned a device file but the enclosure (in sysfs) doesn't want to see it.
How can I force the enclosure to recognise the hot added disk.
Situation in sysfs:
The link device is dead after hot removing the device and keeps vanished after hot adding the new device. The hot added device gets assigned a device file and it is reachable. Even
Doesn't change anything.
How can I force the link to be updated towards.
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Aug 25, 2010
My display on fedora 13 freezes, key board stops working, when I connect projector to my laptop. I see the display settings mentions "DVI monitor, resolution 1280X800 refresh rate 60.0". Do I need to set the resolution to some other number before plugging the projector on and do I need to change it back to the default resolution after unplugging projector
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Jun 6, 2010
I had an old Windows disk I wanted to see if I could get some files off of. I was a Windows XP installation, but it got a virus of some sort and eventually died completely. I had always wanted to try to get my files off of it so I could wipe it and use it as another drive. Well, I plugged it up in my computer and thought that it would just recognize it as a regular data disk, but instead somehow it got automatically set as the boot drive. The computer went from the BIOS splash screen to blank and back a couple times before booting Windows. I then tried resetting the other drive as the boot drive and also unplugging the Windows disk with the same result: an MBR error screen.
I fixed the issue by reinstalling the MBR with the repair tools in the openSUSE disk but I am really curious if anyone knows why this happened. Is it a Windows issue or a motherboard issue or perhaps something else?. My old computer was about 7 years old but this new one is well, brand new. So I haven't had much experience with newer motherboards but I know they have come out with a lot of new features so for all I know they may have something that can detect a Windows install and rewrite the MBR or something. I also wouldn't put it past MS to influence($) MB makers to include such a feature.
The one problem I have now is that the boot options no longer display the kernel version, and the splash screen with the progress bar no longer shows, just the standard text.
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Feb 11, 2010
I've got the Philips GoGear HDD1429 MP3 Player (4Gig), and it keeps annoying me. I can not sync it with Songbird, so I used Rhythmbox and it worked fine. Now I can't even access the player and plugging it in gives me this error message: The folder contents could not be displayed.
Sorry, could not display all the contents of "Philips HDD14XX GoGear": DBus error org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
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Apr 30, 2010
I have a Dell Vostro 1014 laptop and I just installed Ubuntu 10.04. The problem I'm facing is that the sound output goes to both the built-in speakers and headphone jack.
$lspci -v
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
Subsystem: Dell Device 0401
Flags: bus master, fast devsel, latency 0, IRQ 21
Memory at f6afc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
$aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: HDA Generic [HDA Generic]
Subdevices: 0/1
Subdevice #0: subdevice #0
head -n 1 /proc/asound/card0/codec*
Codec: Conexant ID 5067
I've searched through /Documentation/sound/alsa/HD-Audio-Models.txt. But I can only see Conexant models upto 5066.
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Jun 18, 2010
Changing the brightness and keyboard brightness does not give a notification, though the brightness changes. In addition, ejecting a cd, plugging in a usb device, and seeking/playing music gives no notification (though Rhythmbox tells me what track I've skipped to/played). Again, the cd does eject, the usb device can be accessed, etc. I'm not sure if this last one is a problem, but every notification except for the volume one appears about 80 pixels down from the top panel. This 80 pixels below the panel is only ever occupied by the volume notification. Ubuntu 10.04, gnome-power-manager 2.30.0 ubuntu1, notify-osd 0.9.29-0ubuntu2. I'm using a Dell Studio 1555 notebook.
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Nov 9, 2010
I recently installed Ubuntu 10.10 on my Sony Vaio VPCEE2E1E. I've been able to avoid any major problems, however, my onboard sound doesn't work. I've tried plugging speakers into the laptop and this works perfectly. I'm rather confused as to why the onboard sound isn't working though.
Here's the output for lspci on my machine:
Code:
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC259 Analog [ALC259 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]
[Code]...
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May 7, 2015
Where the script is for Gnome 3. When I plug the HDMI cable, the desktop expands to include both, but disables the backlight on the laptop monitor. I have to restart gdm3 or the laptop for the brightness control to bring it back up. First, why would it turn brightness to 0, and how do I change the default of that so it stops. I plug and unplug the HDMI regualarly while I wait for a new desktop and the laptop has to pull double duty.
I just switched from Ubuntu 14.10. It never blacked out a screen on plug in or removing. That means that there must be some way to do it, however, it used Unity and this is Gnome 3.
I installed KDE. It works as well. I will use it for now, but would like to get Gnome 3 to work. My default is gdm but I think I saw I can switch it to kdm.
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Jan 6, 2011
buntu user but this time I'm planning to remain so I would like to solve this little problem, which is the following:I have a MSI Wind U100 running Ubuntu 10.04 LTS... everything works fine, both Compiz and Emerald, but when I plug in an external screen (Samsung SyncMaster 2232BW) Compiz simply gets disabled, if I try to re-enable it a pop-up shows up saying "Searching for video driver..." (or something similar) and it reverts "None" againWhen I unplug the external screen and try to re-enable Compiz it runs fine like it should, I've read elsewhere to run "compiz --replace" but it does nothingI thought something like:Plugging in an external screen requires Ubuntu to use a different display driver which doesn't support Compiz
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