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-2
votes
0answers
17 views

/dev/xvda1 full , though there is no temporary files [migrated]

I have AWS ec2 micro instance, suddenly it shows memory full. I have checked the folder using df -hcommand. The result is displayed below. Filesystem Size Used Avail Use% Mounted on /dev/xvda1 ...
1
vote
1answer
25 views

Script triggered by udev to examine partition tables and test if it's a ceph disk

I'm wanting to trigger using udev under CoreOS a script on disk add/remove. The purpose/goal is to automatically mount ceph data partitions to a specific directory in preparation for ...
0
votes
0answers
42 views

udev attribute cannot be set on boot

I'm setting up SR-IOV for my Intel I350 igb on CentOS 6.6 (2.6.32-504.el6.x86_64, udev 147) using udev. I have modified a rule I used in CentOS 7 (3.10.0-123.el7.x86_64, udev 208). When I do "udevadm ...
1
vote
0answers
102 views

Force libvirt to pass always the same device number to the guest on USB device reconnection

I have a HP plotter connected with a USB cable to a debian server through a USB hub. On the server there is a virtualized Windows XP. Everytime I reboot the plotter a different device number is ...
3
votes
1answer
99 views

How can I have Linux execute a bash script when a specific disk is hotswapped in?

I have a set of hard drives which are rotated for offsite backup. There are several steps that need to be performed when one of the disks is reinserted which I've rolled into a simple bash script. ...
2
votes
1answer
183 views

udev rule running setserial low_latency don't work

My server runs Ubuntu 14.04.1. I created udev rules in /etc/udev/rules.d/09-pps.rules to get GPS with PPS support work. KERNEL=="ttyS0", SYMLINK+="gps0", MODE="0666" KERNEL=="ttyS0", ...
20
votes
2answers
2k views

Why is my eth0 called eno16777736?

I've seen http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/, which describes the rationale for consistent/predictable device naming, and then the rules by which device ...
1
vote
0answers
118 views

Are /dev/disk/by-id symlinks unreliable?

I am provisioning a Nova server and Cinder volumes using a Heat template. In order to identify the Cinder volumes attached to my OpenStack server I would like to use the /dev/disk/by-id/... symlinks ...
1
vote
2answers
6k views

location of 70-persistent-net.rules in Centos 7

Please, give me a clue, where it's located? it's not under /etc/udev/rules.d anymore # find / -name "*persistent-net.rules" didn't find anything...
2
votes
2answers
682 views

How to write rules for persistent net names?

I know that a process generates persistent network card names based on rules found in /lib/udev/rules.d/75-persistent-net-generator.rules. I also know how to completely disable this process with a ...
12
votes
1answer
977 views

Why did rebooting cause one side of my ZFS mirror to become UNAVAIL?

I just recently migrated a bulk data storage pool (ZFS On Linux 0.6.2, Debian Wheezy) from a single-device vdev configuration to a two-way mirror vdev configuration. The previous pool configuration ...
2
votes
2answers
213 views

Consistent Naming of 10gbps Interfaces on Dell Host

I have some Dell hosts in our environment. I would like to be able to provide consistent network interface naming across platforms. I know that biosdevname attempts to make the interfaces consistent ...
2
votes
2answers
2k views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: ...
3
votes
2answers
692 views

Boot failure with root on MD (RAID1) + LVM: udev event timing

A fresh install of Ubuntu Server 13.10 (x64) is having problems booting from its root volume located in md+lvm. I've kludged a solution for now, but I'd like to understand more about what's going on ...
0
votes
1answer
90 views

ID_FS_LABEL empty for luks volume

I have an LUKS encrypted partition on a disk. I would like to label it and have it available at /dev/disk/by-label. The value used is ID_FS_LABEL to create the link in /dev/disk/by-label. That value ...
-1
votes
1answer
679 views

Linux “/dev/SDA” goes read only file system on SDB device failure [closed]

i have a very peculiar issue that is running in my system. Using debian linux : My system boots up very normally with a primary and secondary hard disk. suddenly my secondary hard disk fails with ...
0
votes
1answer
255 views

How can I inform a script called from a udev rule of the device that triggered the rule?

I've got a udev rule ACTION=="add", SUBSYSTEM=="block", KERNEL=="vd[c-z]", ENV{DEVICE_NAME}="KERNEL" RUN+="/usr/local/bin/udevtest" where devices vd[c-z] trigger the rule and call my script. I am ...
0
votes
1answer
69 views

How to find device in /dev

I have added a new virtual pci device to my debian6 VM (Virtual Machine). I can see the device via "lspci" command, but I cannot find it in /dev. Is it because it's not installed properly or it needs ...
0
votes
2answers
988 views

what is the use of /etc/udev/rules.d/70-persistent-net.rules file in rhel?

what is the use of /etc/udev/rules.d/70-persistent-net.rules file in linux? is anyother way to change interface name in linux other than 70-persistent-net.rules? Thanks.
2
votes
4answers
2k views

How to make RHEL have persistent local hdd name?

I have 2 identical Dell R720 servers running identical Oracle Enterprise Linux(RHEL)6.4. Both servers (supposedly) configured in exactly the same way. However, one of the servers is behaving ...
1
vote
0answers
156 views

udev rule for disconnection and hibernate/suspend

I have an external hard drive which contains different GPT partitions. One of them is a LVM partition. This partition is contained in a LVM volume group (called "volga"), which in turns splits into ...
4
votes
2answers
2k views

Can udev be 'restarted' without a reboot?

For the general case let's say that the virtual adapter for eth0 has been removed and replaced with another one. Either due to cloning or, more recently, a rash of MAC address conflicts. [Yes, a rash ...
4
votes
1answer
217 views

tape changers on Centos 6 enter flurry of activity upon boot, at udev start

I have two tape-changer robots (Quantum Superloader 3), one with parallel SCSI connectivity, the other with SAS. They were connected to a Centos 5 server, and boot would proceed normally. They are ...
0
votes
1answer
525 views

hotplugging drives from a fibre-channel cabin reports wrong size

First thing, we are not even sure this is a udev problem, but we need somewhere to start asking... We have a Hitachi fibre-channel SAN serving volumes to a couple of machines running ubuntu server ...
1
vote
1answer
4k views

How to restart udevd on RH/CentOS system?

For udevd there is no init.d script and manual page is not indicating how to restart it either. The process is holding a deleted file (lsof shows) and I need to release it by restarting udevd. How to ...
2
votes
0answers
611 views

udisks-daemon eating up all my memory

I'm operating a little storage server on debian, over the past months I've noticed the process udisks-daemon eating up almost all available memory. Is this just really aggressive caching or a memory ...
0
votes
1answer
136 views

udev only reports events for a USB device configuration, not for the USB device itself

I'm trying to execute a certain Python script on USB devices insertion. I need to handle all kinds of USB devices. I'm using a rule like this: SUBSYSTEMS=="usb", ENV{DEVTYPE}=="usb_device", ...
1
vote
1answer
323 views

MegaCli newly created disk doesn't appear under /dev/sdX

After having successfully added 2 new disks in a new RAID virtual drive (background initialization done), I would have exepected it to appear under /dev/sdh but it's not there (so, unusable). The ...
1
vote
1answer
3k views

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 ...
0
votes
2answers
990 views

howto remove udev from centos(lxc-guest) without dependencies

i downloaded a openvz template for my lxc server to create a new centos 6.3 guest. Now the guest is not starting because udev is hanging in the boot process. Last time i didn't had this problem but ...
5
votes
3answers
5k views

Ubuntu: disable udev's persistent-net-generator.rules

I'm using Ubuntu 12.04 LTS server edition and I am modifying /etc/udev/rules.d/70-persistent-net.rules to define my own mappings of ethernet interfaces to MAC addresses; that file is initially ...
0
votes
1answer
33 views

Group access to device using udev

Short question. Is it a good idea to give a group of users access to certain devices by writing your own udev rules in linux? If not, what would be a better approach? I want the changes to be ...
0
votes
1answer
102 views

Device names on hotswap server. (Name by port rather than insert order?)

Is there a way to name devices such that any drive plugged into slot 1 is always named /dev/sda? Rather than just first drive inserted sda even though it's plugged into the last slot, second sdb ...
2
votes
1answer
321 views

udev rules in ubuntu

I was setting up some udev rules in Ubuntu 12.04 for my APC UPSs and I was using the included *-net.rules as reference. When I used ATTR{}=="" matching in my -ups.rules though it didn't work, I had ...
1
vote
4answers
5k views

eth0 and eth1 both assigned same IP on boot

I have a physical SLES 11 SP2 server on a Sun Fire x4140 that is giving me problems with networking upon reboot. The NICs are onboard. The networking appears successful during boot, but network ...
3
votes
2answers
4k views

Execute a command when a device is connected via USB

I currently have a system that backs up my Linux server onto a USB storage device on /media/usb. This all works correctly. However, I actually have 2 drives which we try to swap on a daily basis. Is ...
1
vote
0answers
120 views

lenny to squeeze upgrade, partitions disapper

I have an RealPrivateServer on OVH provider, I have completes the upgrade, but after all packages were upgraded, the system for some reason don't generate the disk devices in /dev properly. I had the ...
1
vote
2answers
462 views

udev rule execute 2 times

I've written a udev rule like this: SUBSYSTEM=="usb", ACTION=="add", RUN+="//root/usbmon/usb add %b" SUBSYSTEM=="usb", ACTION=="remove", RUN+="//root/usbmon/usb remove %b" now this usb script sends ...
5
votes
1answer
704 views

How to force mdadm to use udev device names rather than /dev/sdX

The question is mostly in the title already. mdadm and /proc/mdstat insist on listing md members by their "traditional" /dev/sdX names. What I want is for them to use the newer udev device names ...
2
votes
4answers
3k views

How to change persistent-net-generator.rules to be PCI bus dependent and not MAC based?

I am using CentOS 6.2 with VMware. I often have to clone my systems. Every time I clone it is adds a new rule to 70-persistent-net.rules file like so. SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ...
1
vote
2answers
3k views

/lib/udev/net.agent causing high CPU usage

We have a number of Soekris boxes running Debian Squeeze. They were installed through an automated process consisting of using deboostrap and copying it unto a Compact Flash card. We use puppet to ...
0
votes
2answers
751 views

After applying patches and rebooting, RHEL 5.3 hangs on udev

I suspect that one of the packages in the last system updated is causing problems with the system rebooting. When I reboot, the server hangs on udev. Here are a list of the updates that preceeded ...
1
vote
1answer
1k views

how can i control where pci devices are mounted?

I have a machine with multiple capture cards in PCI express slots. For ease of trouble shooting stuff, I would like for the devices to appear on the OS in order of their physical position when I'm ...
0
votes
2answers
1k views

RHEL/CentOS reassign scsi device letter

if I remove the physical disk associated with /dev/sdb and add a new disk in the same slot, it will be assigned /dev/sdc (or whatever the next available letter is). Is there any way powered on that I ...
2
votes
1answer
294 views

Udev is creating too many devices

I have built a kernel and root file system for a vortexS86 processor using OpenEmbedded. When it comes up I have hundreds of device entries in the /dev directory. This include such items as ...
4
votes
2answers
1k views

Ubuntu Hardy : Testing for environment variables in udev rules doesn't seem to work

I have a Ubuntu 8.04 LTS (server edition), and I need to write a udev rule for it to act upon plugging a USB thumb drive. However, I need a different action depending on the filesystem of the drive. I ...
0
votes
1answer
208 views

Automounting with udev

Currently my distribution of choice (ArchLinux) has an automounting script like this: KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end" But that will automount only partitions up to ...
0
votes
2answers
389 views

Dbus or Udev command to locate connected hardware

It's a dumb question. Once I knew this command, I used it two or three months ago but now it seems I can't recall it. I tried to look for it using Google but nothing happened :( It's a dbus command ...
0
votes
3answers
786 views

udev: how can I extend a default rule to modify the ownership of a symlink?

I need to get some USB-serial devices into a particular user group to access them from an application. This is straightforward for the /dev/ttyUSB devices, where I can just use KERNEL="ttyUSB*", ...
0
votes
1answer
676 views

How to whitelist range of MACs in 75-persistent-net-generator.rules?

I have a Debian Squeeze (2.6.32-5) guest in KVM that has all virtio network interfaces, and their MACs are apparently blacklisted by udev as per /lib/udev/rules.d/75-persistent-net-generator.rules ...