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-1
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1answer
9 views

Number of occupied inodes via Quota?

Need help in determining how to do the following: Using the quota command, what is the number of occupied inodes by you in your pool account home directory? Find them out, with what type of file how ...
3
votes
3answers
92 views

How to use all the inodes

Without creating a file can I use any inode which is free? I want to write a script that will use all free inodes in the system. is it possible?
1
vote
1answer
44 views

At Backup, when would the filesystems inode numbers matter?

background: Being somewhat of a coward I have up to now dd whole filesystems for backup. Major drawback has become the excessive use of memory for those complete backups (which unfortunatelly also ...
1
vote
3answers
96 views

Why does find -inum iterate through the whole filesystem tree?

It surprises me to see find iterate/walk through the complete filesystem when I do a simple find -inum 12345 Without background info it seems to me that there should be much easier ways for to tell ...
1
vote
1answer
62 views

How are large directories stored (one inode or many?)

I've been studying up on the ext2 file system and inodes, and I'm not quite understanding a few things. How big is an inode? The output from tune2fs says its 256 for my system, so is that 256 byes? ...
2
votes
1answer
326 views

Unreferenced inodes on EC2 linux instance

I have an Amazon EC2 instance which I am using as a NFS file server. It's using a 5x1TB volume RAID0 array. The system is very I/O intensive and files are being written/copied/deleted through the NFS ...
1
vote
0answers
54 views

bad inodes reappear after fsck() for vps guests

I have several vps guests that were created by virt-resize. I do daily backups on the guests by creating a snapshot and rsync file contents. But some of them don't have a clean disk image. As soon as ...
2
votes
0answers
92 views

Ran out of inodes on NFS

I have a RHEL 6 box with an NFS mount, mounted using autofs. I copied a big folder, with a lot of small files there, and used up all of my inodes, but I still have 80% of my storage space left, this ...
-1
votes
2answers
67 views

Does tar create new inodes to be archived?

When tar is asked to archive a directory, does it create a new inode for each file system object? If yes, how does it query and save the meta-data? Won't the format of storing this inode metadata vary ...
0
votes
1answer
131 views

What's the difference between modification date and inode's modification date?

I've just found some interesting information for me in man stat: a, m, c, B The time file was last accessed or modified, of when the inode was last changed, or the birth time of the inode. But ...
1
vote
1answer
124 views

Where have all my inodes gone?

Today, I ran out of inodes on one of my VPSs. I deleted a bunch of superfluous small files, freeing enough inodes to make the system operational again: Filesystem Inodes IUsed IFree IUse% Mounted ...
1
vote
1answer
78 views

Why is it impossible to change the inode count of an ext filesystem?

I know that it isn't possible to change the inode count of an ext filesystem after its creation, but I haven't been able to find any explanation on why it isn't. Can anyone enlighten me?
5
votes
2answers
1k views

How do I find the inode of any directory?

There is literally nothing on google that I can find that will help me answer this question. I presume it is passing some other parameter to ls -i?
2
votes
1answer
49 views

link count of deleted files

I am reading in man lsof that +L enables the listing of file link counts. A specification of the form "+L1" will select open files that have been unlinked. I don't understand why deleted files ...
3
votes
4answers
995 views

Work out the link count of inode number?

How can I work out the link count of an inode number? If I know the inode number is, say, 592255 - what workings out can I do to find out the link count? I know directories have a link count of at ...
5
votes
2answers
487 views

Difference between xattr and chattr

What is the relation and the difference between xattr and chattr? I want to know when I set a chattr attribute in Linux what is happening inside the Linux kernel and inode metadata.
15
votes
4answers
14k views

Find where inodes are being used

So I received a warning from our monitoring system on one of our boxes that the number of free inodes on a filesystem was getting low. df -i output shows this: Filesystem Inodes IUsed ...
1
vote
2answers
174 views

When do inode modification times change? [closed]

I am currently reading UNIX by Bach. I encountered a problem while reading the section on inodes in the 4th chapter. A file modified time is shown as 1:45pm but the inode modified time is shown as ...
6
votes
2answers
798 views

Why restrict the number of inodes a user can access?

It appears that it is possible on a network mount to set a quota on how much space a user can consume. # edquota ramesh Disk quotas for user ramesh (uid 500): Filesystem blocks ...
3
votes
1answer
67 views

Where are information stored information about hard/soft links

Where does the *nix system store information about number of hard links to a specific inode? I can't find any information about that. Everywhere what a hard link is but rarely a bit more advanced ...
0
votes
0answers
208 views

Mail queue keep growing

My server keeps running short on inodes due the mail queue getting crazy. First, I assumed I had postfix not configured properly, so I switched it off. But, it happened again, last time I did it I had ...
8
votes
2answers
575 views

Why does the Linux kernel report “out of disk space” when in reality it is out of i-nodes

A friend of mine who likes programming in the Linux environment, but doesn't know much about the administration of Linux recently ran into a problem where his OS (Ubuntu) was reporting "out of disk ...
5
votes
2answers
296 views

Linux: How does hard-linking to a directory work?

I'm aware that Linux does not allow hard-linking to a directory. I read somewhere, that this is to prevent unintentional loops (or graphs, instead of the more desirable tree structure) in the ...
2
votes
2answers
535 views

Is a -rw-rw-rw- file really inaccessible inside a drwxrwx— directory?

Say I have a directory with these permissions: drwxrwx--- Inside this directory, a file with these permissions: -rw-rw-rw- Is the file readable/writable by everyone or not ? If not, how secure ...
7
votes
2answers
197 views

what does a “deleted file” entry look like in the journal

I hope I've got this right: A file's inode contains data such as inode number, time of last modification, ownership etc. – and also the entry: »deletion time«. Which made me curious: ...
5
votes
2answers
1k views

Can a file be retrieved by its inode?

Run command like the following: $ln a b $ls -i a b 523669 a 523669 b $rm -f a $ls -i b 523669 b I concluded from this test that command rm actually removes the filename (a in this test) only ...
3
votes
0answers
1k views

Recovering files using extundelete

I've accidentally deleted some files in my package managers's cache after an update (so I've deleted all packages that were downloade and unforunately they weren't even installed). Here's what I've ...
1
vote
1answer
384 views

Understanding NTFS-3g Inode Use

I'm running a CentOS 4.6 final box with a second drive array (raid 1, the mount is /mnt/raid, as listed below in my nagios warning) that uses ntfs-3g as the file system. My nagios warnings just went ...
3
votes
0answers
293 views

Foremost file naming - Recovery of file names from inodes

I'm hoping this is not a stupid question. (apologies if it is) I have been asked to recover some files from a corrupt Linux partition. The partition data is shot to pieces but i have been able to ...
1
vote
2answers
2k views

No space left on device / No Inodes free OR used / Double mounting

For about a day now I can only create/cp/mv (through terminal or various GUI programs) files on my FAT16 formatted USB stick, of about a few bytes. Doing so with larger files reports cannot create ...
1
vote
2answers
156 views

How can find support large files?

I would like to find all the files of my system, which sizes are more than a couple gigabits. I thought I would use find -size, but the man page states: The size does not count indirect blocks ...
0
votes
1answer
72 views

Get the number of inode in a tree

How can I get the number of inodes used by files in a given directory tree? Important: including hidden directories under it, like .git
6
votes
1answer
432 views

Finding all the hard-links of a file without traversing the file system

I have seen in this page that inodes have a link counter to know how many files (read: "directory entry") point to this inode. Is there a way to know which directories contain such entries without ...
4
votes
2answers
4k views

Drawbacks of increasing number of inodes in EXT4

I am currently using backintime to take "snapshots" of my file system. It is similar to rsnapshot in that it, makes hard links to unchanged files. I have recently run out of inodes on my EXT4 ...
26
votes
2answers
1k views

Why does a software package run just fine even when it is being upgraded?

Say I am running a software, and then I run package manager to upgrade the software, I notice that Linux does not bring down the running process for package upgrade - it is still running fine. How ...
8
votes
2answers
5k views

List all files with the same inode number?

Lets say, when I do ls -li inside a directory, I get this: 12353538 -rw-r--r-- 6 me me 1650 2013-01-10 16:33 fun.txt As the output shows, the file fun.txt has 6 hard links; and the inode number is ...
0
votes
3answers
352 views

Question about inode and permission command

Can anyone tell me if this is true or false? Does the inode of a file have the addresses of blocks containing the file's content? Also for the permission command, there was a question asking that I ...
1
vote
1answer
661 views

How do I manually modify an inode?

I am using Ubuntu Linux and, just for fun, I want to create a hardlink to a directory (as seen here). Because I'm just doing this for fun, I'm not looking for any sort of pre-developed ...
2
votes
2answers
359 views

how can “several file nodes” be associated with a single inode?

I am trying to learn about iNodes and file permissions. I thought that there is one inode that holds the permissions for a single file. The OS pulls a single inode into memory to check permissions for ...
2
votes
1answer
375 views

Why do inode-based file systems NOT need reboot after updating library versions? [duplicate]

I am trying to understand what an inode is. However, this passage from Wikipedia puzzles me: Installation of new libraries is simple with inode filesystems. A running process can access a library ...
3
votes
2answers
834 views

Storing thousands of files in one directory

I have a web-site that I'm checking for performance issues and bugs, and i came across a caching code that caches thousands of files into one single directory. I understand that this is not good and ...
2
votes
2answers
5k views

How to find inode number using “find” command?

How do you find the inode number of the name of files that start with a particular keyword like "test"? We'll assume that there are files called: test, test1, test2.
3
votes
2answers
830 views

Location of inodes (ext)?

Say I want to observe how the flow from file name to cluster on hard disc goes. I get the inode number of I file (which is mapped in a directory data): 1863 autorun.inf So, now i know that i have ...
0
votes
1answer
367 views

The relationship between execute permission on a directory and its inode structure

My question deals with the relationship between the read and execute bits on a directory. I'm going to give my assumptions, first, all according to my current knowledge, then ask my question in bold ...
3
votes
4answers
609 views

What are inodes good for?

I wonder if storing the information about files in inodes instead of directly in the directory is worth the additional overhead. It may be well that I'm overestimating the overhead or overlooking some ...
10
votes
2answers
5k views

Is it possible to change Inode count on an ext4 filesystem? [duplicate]

Possible Duplicate: How can I increase the number of inodes in an ext4 filesystem? I have a homemade NAS with Debian Wheezy 64bit. It has three disks - 2x2TB and 1.5TB, pooled together ...
4
votes
1answer
143 views

ext4 directory lists as a file

I'm working with a large (8TB) EXT4 filesystem in linux. After a power outage, the filesystem wouldn't mount. fsck is taking weeks to complete, but i ran testdisk and i'm able to see my partition ...
3
votes
1answer
1k views

inode limitation on a 500GB hard disk? Can you explain please?

I am launching a social networking website on LAMP Stack on Linux Ubuntu, I know that people are going to upload lots of pictures. Let's say I have 5000 users and each user upload a minimum of 100 ...
9
votes
2answers
2k views

why inode value changes when we edit in “vi” editor?

When I edit a file in "vi" editor the inode value of the file is changing. But when edited with cat command the inode value is not changing.
1
vote
1answer
328 views

Why the inode value of shadow file changes?

I created a hard link for the shadow file. For removing the passwd of the user I opened the shadow file in vi editor and removed the encrypted passwd and then saved. The inode value of the shadow file ...