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Questions tagged [device]

71 questions
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Creating Persistent Drive Labels With UDEV Using /dev/disk/by-path

I have a new BackBlaze Pod (BackBlaze Pod 2.0). It has 45 3TB drives and they when I first set it up they were labeled /dev/sda through /dev/sdz and /dev/sdaa through /dev/sdas. I used mdadm to setup three really big 15 drive RAID6 arrays. However,…
Matt Mencel
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Tripwire reporting a changed /dev/char

This was in a recent Tripwire report of a Debian Linux (virtual) server: ### Attr Observed (what it is) Expected (what it should be) ### =========== ============================= ============================= /dev/char/253:0 md5…
user35042
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iostat: See current usage rather than average

I need to log disk statistics (MB/read, MB/write) of block devices. As I understand, iostat shows an average value. This is not exactly what I want when I'm about to monitor a server. Is there a way to show current values rather than the…
Daniel
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How to change device permissions via udev in RHEL5?

I'm attempting to make the device permissions on a hard drive(/dev/sdb) persistent for a particular group in RHEL5. Can anyone point me to to a proper KERNEL line in /etc/udev/rules that would work that attempts the following? KERNEL=="sdb",…
mnology
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What is the meaning of the letters in CCISS?

I know that CCISS is the name give to a RAID device that comes from COMPAQ/HP, but why this name? Does it have any meaning?
Luc Stepniewski
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usb device -> block device mapping on Ubuntu?

Apologies if this is a duplicate, however. I have 2 usb mass storage devices, and I need to be able to work out which physical device maps to a block device. They are not both always present, so I can't just rely on a fixed block device path. I've…
Matt
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Ubuntu Device-mapper seems to be invincible!

I'm working on a hopefully unrelated question question and I've got to a strange situation. First: I know very little about the very low level hardware kernel storage driver magix, so I'm hoping a) someone can help and b) someone can explain it to…
Andrew Bolster
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Unrecovered read errors on Linux RAID10 device

I have an HP DL380p Gen8 running Ubuntu 14.04 and apparently it's been having some trouble with its RAID10 filesystem for almost a month, despite everything seeming to be okay otherwise. I'm seeing a lot of these messages in dmesg/syslog/etc. though…
user327187
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How to turn off asking about scanner calibration in Windows 7?

I have over 12 Brother DSMobile 600 scanners and Panasonic toughbook's CF-19 with Windows 7. I'm using each toughbook with scanners from this pool. I'm always switch toughbooks and scanners. Everything worked fine and never asked about calibration.…
V. Rotin
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Remove DVD drive from device manager - command line

Is there a way through command line to uninstall the entry under DVD/CD-ROM drives in device manager? Somehow someone applied a GPO on our top level domain and it's affected a number of things, I've resolved the other issues but when users try to…
user2370661
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Determine which device(s) cause(s) high CPU via interupts in Process Explorer

I have a Windows 2003 server that occasionally hangs. When it hangs, I can still use it through the console, but externally, it is completely unresponsive. It won't even respond to pings. However, restarting it returns it to a normal state for…
mhildreth
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Create a general character devices pair

I'd like to create a character device which has the same properties as a standard pseudo-terminal, but that can be named in a specific name. Basically I'd like to have /dev/pts/my-unique-name instead of the numbers which can be reused. Is there a…
viraptor
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What is the difference between /dev/dsk and /dev/rdsk?

It appears that ZFS interacts with /dev/dsk. I have had success duplicating drive contents one slice at a time using a command similar to cat /dev/rdsk/c1t3d0s0 > /dev/rdsk/c1t4d0s0.
700 Software
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Virtual interface statistics on Linux

I am trying to get statistics about virtual interfaces I have configured on my Linux box running Ubuntu. /proc/net/dev contains entries for lo and eth1, but I also have two virtual interfaces, lo:2 and eth1:1, which are not reported. After some…
JaredC
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Cancel Pending Device Uninstall

Just did something really stupid along the lines of an rm rf but with my hardware devices on a Windows Server 2008 Standard box. The damage was 25 devices either removed or given the status 'remove on reboot' before I caught what I did and killed…
user51383
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