Inodes full 100 % ,that causes server down. Post: 302898456

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Operating Systems Linux Red Hat Inodes full 100 % ,that causes server down. Post 302898456 by rbatte1 on Tuesday 22nd of April 2014 09:42:35 AM

04-22-2014

Moderator

There are two limits for a filesystem that we're normally interested in. The usual one is overall space used/free. The other is i-nodes. Fro each file, an i-node is used. There is a set number allocated when a filesystem is created. It varies by OS and version, but I seem to recall that on some versions this can be varied. It's been many years since, so I'm not sure. I think it was Solaris and you could adjust the filesystem overhead settings. You would need to increase the overhead as you have insufficient i-nodes and plenty of general space available.

I regret that I can't remember how to do this, but it might jog someone's memory.

In the meantime, can you tell us the OS and version you are having this problem on? It will be needed as each flavour is slightly different at the level you are working at. It looks like you have a Linux variant, but again there may be differences.

Regards,
Robin

rbatte1

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devfs

devfs(7FS)                                                         File Systems                                                         devfs(7FS)

NAME

       devfs - Devices file system

DESCRIPTION

       The devfs filesystem manages a name space of all devices under the Solaris operating environment and is mounted during boot on the /devices
       name space.

       The /devices name space is dynamic and reflects the current state of accessible devices under the Solaris operating environment. The  names
       of all attached device instances are present under /devices.

       The content under /devices is under the exclusive control of the devfs filesystem and cannot be changed.

       The system may be configured to include a device in one of two ways:

                 By means of dynamic reconfiguration (DR), using, for example, cfgadm(1M).

                 For  devices driven by driver.conf(4) enumeration, edit the driver.conf file to add a new entry, then use update_drv(1M) to cause
                 the system to re-read the driver.conf file and thereby enumerate the instance.

       The device may be attached through a number of system calls and programs, including open(2), stat(2) and ls(1). During device  attach,  the
       device  driver typically creates minor nodes corresponding to the device via ddi_create_minor_node(9F). If the attach is successful, one or
       more minor nodes referring to the device are created under /devices.

       Operations like mknod(2), mkdir(2) and creat(2) are not supported in /devices.

FILES

       /devices        Mount point for devfs file system

SEE ALSO

       devfsadm(1M), vfstab(4), attach(9E)

NOTES

       The /devices name space cannot be unmounted.

       All content at or below the /devices name space is an implementation artifact and subject to incompatible change or removal without notifi-
       cation.

SunOS 5.10                                                          26 Oct 2004                                                         devfs(7FS)