Questions tagged [inode]
The inode is a data structure in a Unix-style file system which describes a filesystem object such as a file or a directory
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Relinking a deleted file
Sometimes people delete files they shouldn't, a long-running process still has the file open, and recovering the data by catting /proc/<pid>/fd/N just isn't awesome enough. Awesome enough would ...
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How to clean up an unprocessed orphan inode list?
I tried to mount a formerly readonly mounted filesystem read-writeable:
mount -o remount,rw /mountpoint
Unfortunately it did not work:
mount: /mountpoint not mounted already, or bad option
dmesg ...
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3
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ext4 file-system max inode limit - can anyone please explain?
Recently we had a problem where one of the ext4 file-systems seemed unable to handle very large number of files, more than 6mln in this case, in spite of having enough space. Is it 6mln the max number,...
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Linux - Help, I'm running out of inodes!
I have a filesystem that has lots of small files. Currently about 80% of inodes are used (I checked with df -i), however only 60% of disk space is used. How can I 'increase' the number of inodes? If ...
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Determine Location of Inode Usage
I recently installed Munin on a development web server to keep track of system usage. I've noticted that the system's inode usage is climbing by about 7-8% per day even though the disk usage has ...
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Linux: Why change inode size?
Tune2fs allows to change inode size from default (128 bytes on ext3, 256 bytes on ext4) to almost anything, but it should be power of two. What are the reasons for changing default inode size?
Here ...
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Link to a specific inode
I have a file that was deleted, but is still held open by a program. I found the inode number using lsof. How can I create a hard link back to that inode?
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disk space overhead in ext4
I'd like to know if there's some rule (or formula) I can apply to find out how much of disk space will be used by the filesystem in an ext4 partition. for example, in a partition of 100 GB, how much ...
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How to find the file at a certain btrfs inode
I have a corrupt file according to btrfs
BTRFS info (device sdb1): csum failed ino 367 off 310013952 csum 1601485211 expected csum 3692975992
I assumed ino 367 means inode 367, so I can use find and ...
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100 % inodes in root directory, how to free inodes?
df -i
Filesystem-----Inodes-----Iused-----IFree-----IUse-----Mounted on
dev/sda2-------732960-----727804-----5156-----100%---- /
Only these 2 are having higest inodes, rest all are too low. what can ...
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ext4: Running out of inodes [duplicate]
I am running out of inodes. Only 11% available:
the-foo:~ # df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/system-home 9830400 8702297 1128103 89% /home
Is ...
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Can I increase inode count in Linux?
I have a Linux MIPS router with 2.4.17 kernel. Root fs is a tmpfs and /rom is a cramfs. There is 4MB free memory and 3MB free on tmpfs.
I can create a few new empty files, but the next ones fail ...
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tuning linux cache settings for inode caching
I am dealing with hundred million files in a filesystem (distributed among a lot of subdirectories), and I need to be able to list them very quickly, particularly in order to rsync them efficiently.
...
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Monotonic growth of Linux directory size/block count
On Linux, (perhaps as a function of the filesystem block size), when I create a directory and stat it, it returns a size of 4096. I can create files in this directory, up to a point, without ...
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No space left on device error, but df reports as more space available
My PHP sessions on my Debian webserver using Apache2 with mod_php seem to be failing randomly, saying that there’s no space to write them:
sudo tail -60 /var/log/apache2/error.log
[Fri Jan 30 15:55:...
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What is the function in Windows similar to Inode in Linux?
Is there any commands which is same as the function inode in Linux. Any info will be helpful.
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What does it mean if inode usage is high?
After some google research I have figured out inode usage probably relates to the number of directorys/files.
I am guessing there is a limit (thus what determines the inode usage %). What
is this ...
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2
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Diagnosing cause of orphaned inodes on Linux, busy MySQL?
One of our servers recently experienced some file system corruption and our root file system was automatically remounted as read only. The steps I took to recover were:
attempted to remount > ...
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1
answer
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The impact of a high directory-to-file ratio on XFS
We're building a product that is likely to generate very large XFS volumes, and I'm trying to discover the scaling bottlenecks we're likely to run into given the architecture.
As we manipulate files ...
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1
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Can I delete files in nginx client_body_temp directory?
On my nginx server, I can't login to my wordpress site. The error log mentions " No space left on device".
2014/09/26 02:02:05 [crit] 1197#0: *32 open() "/usr/local/nginx/client_body_temp/...
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xfs: find files on the first 1 TB
I have been hit by xfs' No space left on device. According to the FAQ:
http://xfs.org/index.php/XFS_FAQ#Q:_Why_do_I_receive_No_space_left_on_device_after_xfs_growfs.3F
The only way to fix this is ...
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How to distribute files and folders to handle large number of files
I want to manage a huge number of files on my server (say millions). It is needed to save files in two or three levels of folders to keep the number of files in each folder low. On the other hand, it ...
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How to rescue a server with no free inodes (from DDOS)
One of my web server was DDOS attacked. All is well except there are millions of PHP session files used up 100% inodes of the partition. There is only one partition for the entire /
Tried several ...
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Why don't linux distributions default to mounting tmpfs with infinite inodes?
According to this answer it is possible to mount at least tmpfs with "infinite" inodes.
Consider this specific (numbers chosen for example purposes, I know that they're not realistic) situation:
...
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2
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Monitoring /proc/sys/fs/inode-nr
As part of a general overhaul of some Nagios scripts, I am adding parameters to the scripts so that the thresholds can be determined on a machine-by-machine basis. As an example, we are specifying ...
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1
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dirtied inode
I am investigating a very strange io issue. I have vm.block_dump enabled and I am seeing allot of messages in this form:
process(29177): dirtied inode 42254471 (filename) on 0:14
What does dirtied ...
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How to determine which processes have most inodes opened
Here is my problem, visibile in a munin chart:
My used/opened inodes are "suddenly" constantly increasing.
Is there a way to determine which process is keeping the most currently opened inodes?
I ...
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-bash: cannot create temp file for here-document: No space left on device
I'm getting following error while doing tab, tab inside of shell:
-bash: cannot create temp file for here-document: No space left on device
root@alexus:~# cat /etc/issue.net
Ubuntu 14.04.3 LTS
...
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Understanding XFS inode limits
I reached the inode limit on my XFS partition. There are plenty of questions about this. Some suggest the answer is to increase the maximum percentage of space allocated for inodes. Or, as the ...
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eCryptfs headers errors
I'm getting the following error on a server where a partition is encrypted thru ecryptfs.
[3440851.003561] Valid eCryptfs headers not found in file header region or xattr region, inode 22545087
[...
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How do I replace the root filesystem (ext4) with a new one in LVM with one which has more inodes?
I have a few systems which have been running over a decade in a cluster on SLES 10 (now long past EOL). We're migrating to CentOS 6 64-bit. I got everything done but the final data syncs, and lo and ...
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How can i fix it: EXT4-fs warning (device sda3): ext4_dx_add_entry: Directory index full
I have noticed that in dmesg and syslog i have something like that:
EXT4-fs warning (device sda3): ext4_dx_add_entry: Directory index full!
I have checked df -i too:
Filesystem Inodes ...
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How can I reduce inode utilization on an ext4 filesystem?
Summary of My Need
We put a large amount of files on a filesystem for analysis at a later time. We can't control how many files we're going to have, and this one box needs access to all of them.
...
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Setting up tmpfs `/run/lock` for hundreds of thousands of 0 byte lock files, and dealing with the inode limit
I have a situation where I need to create 100s of thousands of 0 byte lock files for concurrency control.
I've tested creating them by using:
for i in `seq 1 50000`; do touch "/run/lock/${i}.lock"; ...
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2
answers
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Unexplained cache RAM drops on Linux machine
I run a CentOS 5.7 64 machine with 24gb ram and running kernel 2.6.18-274.12.1.el5.
This machine runs only Nginx, php-fpm and Xcache as extra applications.
Since about 3 weeks my memory behavior on ...
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What is directory's blockmap? And how many disk I/Os will happen?
I am reading this paper from Facebook (Beaver). The paper says that
We initially stored thousands of files in each directory of an NFS
volume which led to an excessive number of disk operations ...
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Could swap use many inodes?
I have got a graph about high inode use of our server's disk but I haven't got any detailed information (like df -i) so I'd like to guess the reason.
Operating System: Red Hat Linux
Process: PDF ...
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How can I remove a corrupted file in Linux?
The power went out at home and my Linux server (Plugbox Linux) went down. After it came back up, one of the files on the USB drive that was connected is corrupt. "ls -il" gives this:
? -????????? ?...
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Process has opened inode that's not on any filesystem?
So I'm trying to find out if the stderr of a process has been redirected to somewhare unusual (it's a java process and I want a thread dump, but it's launched through a nest of startup scripts).
I ...
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Centos INODES usage
We are using Centos & cPanel server but we have a important problem for INODES usage.
"df -i" command showing for / directory using 6 million inodes!.
When I check number of files for / ...
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Recovering any deleted file using Inode value?
Please correct me If I'm wrong
Is possible to recover the deleted file if you have inode number of file.
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Where is the inode number stored?
I know that the filename is stored in directories and not in inode. Kindly tell me where the inode number of a file is stored? Is it stored in the directory file?
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How does directory complexity influences on i-nodes?
For single project, which uses a lot of images( ± 1k-3k per day) I use custom PHP script to process images and save them to server.
Currenty PHP script processes them and saves in the following ...
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Icinga2 perfdata directory is overflowed
I`ve installed icinga2 on a virtual machine for monitoring 5 other ones with graphite support for the graphics and icingaweb2 as an interface. Recently on my web interface I got the follow:
Fatal ...
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Is it possible to have orphaned hard links?
I'm not sure if it is even possible to have an orphaned hard link. Let me explain why I'm asking. Bear with me.
My Setup
I am using rsync to sync my file server to my backup server. I am using the -...
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What is INODE usage and can I reduce it?
My webserver keeps giving me the error backup failed due to high INODE usage...
What is this and how can I prevent it?
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'inode table usage' spiking every morning at 8am
I installed munin on my ubuntu server. It's showing my 'inode table usage' spiking every morning at 8am. It then rapidly curves down and settles over the course of several hours. What might cause ...
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Does smbfs create constant inode numbers?
If I use smbfs to mount a filesystem, will the inodes always be the same for each file? Or am I in danger of the inodes changing when I mount the fs again or if the remote system reboots?
higginbotham
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Serve large number of small images in ext4
I read through some similar question, but still have some confuse about my situation.
My website allow user upload huge number of large images (scan pages of book). My server will auto tiling and ...
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How can I create disk for smaller files with good read/write speeds?
I'm trying to find the best way to store lots of small files on a volume, without hitting the inode limits. I created a new drive with:
sudo mkfs.ext4 -N 100000000 /dev/device
and this correctly ...
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