Server :: Drives Change Device Ids While On-line?
Dec 4, 2010
I'm not sure what to make of this. I have setup an Ubuntu 10.10 server with two software raids.md0 is a four disk raid5 - 3TBmd1 is a two disk mirror - 300GBI think I have a drive failing (and am going to replace it regardless, but I have to take an outage), what appears to happen is it comes on-line with one id (/dev/sda) then something happens AFTER the rebuild completes and the drive changes to another id (in this case /dev/sdh) and puts the array in a failed state.Is this some sort of protection mechanism to prevent degradation to the array? When setting this up, presumably before the disk started to fail, Ids seemed to jump from reboot to reboot and caused me all kinds of issues.Also, neither device appears to return info after the change.
Code:
bwoods@MediaServer:~$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
[code]....
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Nov 3, 2010
I just installed Debian 5.0.4 successfully. I want to use the PC as a File Server with two Drives configured as a RAID 1 device. Everything with the RAID device works fine, the only question I have belogs to the GRUB 0.97 Booloader. I would like to be able to boot my Server even if one of the disks fail or the filesystem containing the OS becomes corrupt, so I configured only the data partitions to be a RAID 1 device, so on the second disk should be a copy of the last stable installation, similar to this guide:[URL]...
[Code]...
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Jul 11, 2010
I have a web site all set up, and running great, I have my SSL set up and active. I have 3 drives in this Linux box, 2 are RAID, and 1 is a 1.5tTB drive. On this 1.5TB drive is just one folder. with lots of Sub folders, and Files. I need to do 2 things here.
#1 I need to change ownership of the main Folder on the 1.5TB drive, so I need to know how to access the drive from a Terminal.
#2 I need to know how I set the drive up in a configuration file to access that drive and the one folder. This configuration file just shows where the folder is located.
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Sep 8, 2010
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Sep 12, 2010
On Ubuntu Desktop editions, there is a GUI application which allows easily changing to a different server. It can even find out how one is the fastest update server.Is there a corresponding command line tool available to do this? Because I'm using the Server edition without GUI. I hate to manually edit /etc/apt/source.list.
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Nov 20, 2010
I'm configuring an rsync between 2 machines, A_Server --> B_Server, using the following script:Quote:
#!/bin/bash
#
# Script de backup a trav�s de Rsync desde RMP-1 hasta RMP-2.
[code]....
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Sep 6, 2009
I have a virtual machine with SUSE Linux Entperise 10 SP2 (I586) installed. However, the default setting is using command line based interface.
Is it possible to change it to be GNOME or KDE based interface ?
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Jun 9, 2011
so I setup a raid ten system and I was wondering what that difference between the active and spare drives is ? if I have 4 active drives then 2 the two stripes are then mirrored right?
root@wolfden:~# cat /proc/mdstat
Personalities : [raid0] [raid10]
md1 : active raid10 sda2[0] sdd2[3] sdc2[2] sdb2[1]
[code]....
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Mar 26, 2011
I am building a home server that will host a multitude of files; from mp3s to ebooks to FEA software and files. I don't know if RAID is the right thing for me. This server will have all the files that I have accumulated over the years and if the drive fails than I will be S.O.L. I have seen discussions where someone has RAID 1 setup but they don't have their drives internally (to the case), they bought 2 separate external hard drives with eSata to minimize an electrical failure to the drives. (I guess this is a good idea)I have also read about having one drive then using a second to rsync data every week. I planned on purchasing 2 enterprise hard drives of 500 MB to 1 GB but I don't have any experience with how I should handle my data
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Jul 28, 2011
What command do I need to use to find the device name of drives , in particular an inserted USB drive that is not mounted yet ?Everywhere I search tell me to do this:
Code:
tail -f /var/log/messages
But that file doesn't exist
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Sep 25, 2010
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Jun 29, 2010
For SATA drives in AHCI mode, the names are /dev/sdX, what about a RAID-0 or RAID-1 array of SAS drives? Are they the same?
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May 25, 2010
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Aug 14, 2009
I installed ZTE MF 626 modem in my F10 with kernel 2.6.27.12-170, i run usb_modeswitch and so far things happened normally. Watching through /var/log/messages it says that F10 detects two port device for this modem: ttyUSB1 and ttyUSB2, and in the sequence it disable port ttyUSB1 BUT Network Manager still set this port.I mean, when i connect via wvdial appointing to ttyUSB2 i get connection, but Network Manager fails to do it appointing to ttyUSB1. How to change device port in Network Manager?
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Jul 14, 2010
setup a number of shared drives for accessing music, movies, photos and general files (documents, pdf files etc). now while a gui would be great, how to use the command line to setup these shared drives and also how to make the available in both windows and linux.
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Feb 20, 2011
This is one of those questions where I highly suspect that the answer will be something like ". . .just stinks bein' you, kid."My setup:I have Ubuntu 10.04 x64 (desktop) installed on a computer with a bunch of SATA ports, including one e-SATA on the backBecause of the way the hardware works with these ports, the *external* port is the first SATA port, a second SATA port inside becomes #2, and a cluster of four ports (that can be made into a (ahem!) RAID array become ports 3 through 6.
All ports are configured as SATA (PATA emulation)My boot drive is located on SATA-2 (the inside connector), a four disk "MD" raid array is located on SATA 3-6, and I have an external HD enclosure that I plug into the e-SATA connection.
With all six drives plugged in, they get ordered like this:
/dev/sda - External drive
/dev/sdb - Internal operating system drive (bootable)
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Jan 16, 2010
I am trying to set up a mdadm raid in a new PC that I am building for home theatre. the machine boot just fine from /dev/sdc running ubuntu 9.10 However in gparted /dev/sda and dev/sdb show to be part of /devmapper/sil_ajbicfacbaej Both dev/sda and /dev/sdb were drives that used to be part of a sil hardware raid on a previous machine. I would like to use them as a new mdadm raid on this new machine the old hardware card was really quite slow. the drives are now pluged into the MB and should bw much faster there.
fdisk -l shows this
*********************************************** ~$ sudo fdisk -l
Disk /dev/sda: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders
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May 17, 2010
I am trying to read a 5 1/4 in. floppy disk using an Intel D865 PERL motherboard, at 3 GHz. Bios was set to read this floppy. The system Lenny 2.6.31 i386 can't detect the 5.25 drive. Drive select seems not to be responding on the 5.25 drive. When connecting a 3 1/2 in. drive to the same motherboard connector (after changing the BIOS setting appropriately), r/w is ok under both linux and XP. I have tried three floppy 5.25 drives and different cables. All known to be ok on another box. I have tried XP and another linux, Etch. I have installed the latest available Bios upgrade from Intel. Upgraded from 0061 to 0089 bios versions. Is this a possible connector difference between 3.5 and 5.25 drives on the drive select line? The cable drive end connectors are different between the two drives.
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Jul 3, 2009
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Sep 17, 2009
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Dec 1, 2009
how i can change the name or id of my drives?
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Oct 18, 2010
I have a configuration file for a network device(2100 lines). This device is configurable only over console line. If I copy chunks of those lines into terminal(I use minicom), there will be mistakes (sometimes some characters missing, space characters added etc). Hardware flow control and software flow control doesn't help either(as I use RS232-to-USB converter, I'm even not sure, if RTS and CTS signals are implemented). I tried with cu utility, but same issues appeared. There will be mistakes even if I copy in ~100 line parts. What causes those missing/added characters? Is there a terminal emulation program under Linux, which supports pausing before each byte/line transfer?
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Jun 11, 2010
How can I change the selected drives to boot from. I want to set my windows drive first so I don't have to select it each time.
I have ubuntu 10.04.
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Jul 22, 2011
I made 2 partitions from one hard drive but my drive is getting too full so I want to change to one again.
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Mar 30, 2011
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Aug 20, 2010
is it possible to change the boot order of hard drives? I`ve got two 250gb sata hard drives on my pc and i can`t figure how to change the boot order without physically switching the data cables inside the case.I`ve been into the bios and it won`t let me switch the order there.
In one of harddrive I've installed UBUNTU 8.0.4 and other having UBUNTU 10.4. I am assuming I need to change grub/menu.lst file, but I am not sure exact syntex.
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Apr 10, 2011
any way to change file permissions of NTFS drives? All my C programming files resides in a NTFS drive and I need to set execute permision on them in order to run. I tired chmod -Rv 777 /media/Programming. and also tired chmod 775 *.* after entering the folder in which all my files resides. but both these commands doesn't seem to have any effect on the files. I know NTFS doesn't use Unix file system and chmod command goes in vain.
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Jan 30, 2010
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Dec 19, 2009
I'm using openSUSE 11.2, with some eSATA hard drives. For some reason, they're set to read-only, and I can't change it. I set parameters in fstab as fmask=113,dmask=002,umask=0002,rw Oddly, I was able to delete a file in there, but my samba users have read-only access, and I can't use chown or chmod: I get no error message, but nothing happens.
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Sep 24, 2010
Basically I have changed the default mount names for my windows partitions in Ubuntu. They were /media/data, /media/data_,/media/system reserved, etc
They are now /media/C,D,E,F
I have rebooted etc after the changes and when I look in Gnome places or in Nautilis the OLD names still show up.
HOWEVER when I run Nautilis as the root user all the CORRECT NEW names appear.
ALSO - if I create a BRAND NEW user account and login as that all the OLD names show up?
So this is something to do with ROOT access or whatever that is not allowing the names to be updated somehow?!?!?
As I use these disks in windows (obviously) I DONT want to change their labels. and basically this SHOULDN'T be the solution everyone is suggesting!
Root can generate the new names automatically based on the mount point in FSTAB why can't other users - and HOW to do do it MANUALLY?
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