-1
votes
1answer
33 views

Server Writing Blank Files

I have an old desktop that sits on the side of my desk at my office. I use this as a web server to demo websites (it doesn't host any "live" production sites). I've never had many issues with it ...
2
votes
1answer
46 views

Using Volume Shadow Copy to Identify Updated Files

I have folders in my server with over 60GBs of data across ~160,000+ files. The files in this folder change regularly. I need to be able to make a backup copy of the files in this folder at a given ...
-2
votes
2answers
87 views

Monitoring file system activity of a process

Under Windows 7, how can I monitor all filesystem activity made by a specific process? Goal is to identify, which and when config files of a server process get loaded.
4
votes
3answers
2k views

Is there a hard limit to the number of files a directory can have? [duplicate]

Wondering if there is a limit to the number of files that can be stored inside a directory, in CentOS 6. There is one particular directory which could potentially have millions of subdirectories. ...
2
votes
2answers
205 views

How to “quickly” create 300M files and 16M directories?

I have a 3-level directory structure defined by 2 hex digits as such: 0A/FF/2B/someimagefile.gif I have 300M small files in 1.5TB of compressed files that will populate these directories (we will ...
0
votes
1answer
100 views

make backup of file when user run rm -f [closed]

Here is the scenario; I need to authorize a user to do activity in /opt/dev-folder/. Developer makes frequent changes in file, some time they replaced or remove original file. I have assigned ...
-2
votes
2answers
82 views

How can i get information about file

I need to get detailed information of certain file or folder; File chmod changed date, which user? How can i do this?
2
votes
4answers
219 views

How to quickly remove hundreds of thousands of files? [duplicate]

Possible Duplicate: Doing an rm -rf on a massive directory tree takes hours I'm running a simulation program on a computing cluster (Scientific Linux) that generates hundreds of thousands ...
0
votes
2answers
373 views

Linux: don't use file system cache under a directory

For a PHP website I'm monitoring, I need to see what files are being used each time the browser makes a request. I thought of using find . -type f -amin 1. With that I get all files which were read ...
0
votes
2answers
879 views

tracking down what files are causing io activity in iostat

Using iostat -Nkx 1 I can see that I am getting regular IO on a volume group. What I'm trying to do is find a way to link that IO to a file/pipe/whatever to see what process is creating this IO and ...
0
votes
2answers
223 views

File system cache / drop cache(debian)

if i play those command : sync echo 3 > /proc/sys/vm/drop_caches Will the server be force to read the correct file on disk until i put 0 again ? Or this work only one time, and if i want to ...
1
vote
1answer
319 views

ASP.NET, reaching the limits of DFSR, and file storage sharding

We run a popular web app, and our backend file storage exists on a file server, replicated to another file server for failover with DFSR. We are reaching the theoretical limits of DFSR, and therefore ...
1
vote
2answers
101 views

Keep running total of file opens/reads?

Is there a linux kernel module or perhaps a different filesystem to keep a running total of the number of times a file has been opened? I realize this bit would be asking a lot, but if you could also ...
0
votes
0answers
13 views

Vista filesystem woes

I have a program that reads settings from a settings file in C:\Users\MyUser\AppData\Roaming\MyFolder\program.settings Then I deleted the settings file, but the program still can read it although its ...
2
votes
5answers
334 views

Any way to determine how files were deleted on Linux/Apache server?

PROBLEM: I have several missing directories on an offsite Linux/Apache server. I've tracked down about when they went missing from the httpd error logs, and I have a list of SSL logins to the machine ...
1
vote
4answers
217 views

Access filesystem underneath another mounted filesystem

The case I have is a directory that stores phone call recordings throughout the day. The root filesystem is running out of space so we added an external hard drive. This server may not be taken out ...
5
votes
2answers
433 views

Disk fragmentation when dealing with many small files

On a daily basis we generate about 3.4 Million small jpeg files. We also delete about 3.4 Million 90 day old images. To date, we've dealt with this content by storing the images in a hierarchical ...
0
votes
3answers
239 views

May the file size returned by stat be compromised?

I want to make sure that nobody changed a file. In order to accomplish that, I want not only to check MD5 sum of the file, but also check its size, since as far as I understand this additional simple ...
3
votes
3answers
3k views

Linux - A more fine grained -mtime for find?

find is a great tool for finding files. It has the option to find files that were modified in the last X days with -mtime. However I'd like something more fine grained than that. I want to be able to ...
5
votes
6answers
3k views

In *nix, how to determine which filesystem a particular file is on?

In a generic, modern unix environment (say, GNU/Linux, GNU/Solaris, or Mac OS X), is there a good way to determine which mountpoint and filesystem-type a particular absolute file path is on? I ...
2
votes
4answers
2k views

UNIX/Linux sparse files — in use? How do you handle these?

Since the beginning the standard UNIX/Linux systems support sparse files, this is a file which contains unused space that is unallocated until needed. To review, to generate via a C program: create a ...
13
votes
8answers
6k views

Doing an rm -rf on a massive directory tree takes hours

We're using rsnapshot for backups. It keeps lots of snapshots of the backuped up file, but it does delete old ones. This is good. However it's taking about 7 hours to do a rm -rf on a massive ...
16
votes
8answers
17k views

Best way to compare (diff) a full directory structure?

What's the best way to compare directory structures? I have a backup utility which uses rsync. I want to tell the exact differences (in terms of file sizes and last-changed dates) between the source ...