A file system (or filesystem) is a means to organize data expected to be retained after a program terminates by providing procedures to store, retrieve and update data, as well as manage the available space on the device(s) which contain it.

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Multiple lvms or one large lvm

Say you have a server that has two VGs (base and sys) and base is the standard partitions (root, var, etc.) and sys would be application specific partitions. I can't find any real documentation for ...
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3answers
70 views

How to find which folder is eating space fast? [duplicate]

I am running Linux server, we using this server as a samba share drive. From yesterday suddenly, one of the share drive size getting increasing (~ 100 MB every ten min). There are too many folders and ...
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1answer
10 views

Controlling file naming pattern conventions on a file share

We have a shared folder on a server, where sales managers ought to save incoming requests, invoices and other documents. Different types of documents separated by folders. Before now managers name ...
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1answer
32 views

How to increase inodes limit in ReiserFS filesystem?

Is it possible to increase inode limit in ReiserFS without formatting the partition? Currently, the filesystem on my VPS allows me to create 489K inodes, which is not enough. The machine works as ...
2
votes
1answer
40 views

Tool for linux file system cache inspection [closed]

I'm looking for a tool to show what portion of a file is in the file system cache. In the past I have used the fincore tool that is part of the linux-ftools package. linux-ftools isn't in any of the ...
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0answers
6 views

find space used by journal files

Is there any way to find the disk space used by journal. Running xfs on host and ext4 on guest. How can we see the space occupied by journals of these filesystem.is it possible.
2
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1answer
28 views

How would I be able to take a snapshot of a CentOS 5 server and compare it later on?

I have a consultant that was hired to install some custom software to a CentOS 5 server. After she's done, I'd like to review her changes to possibly automate or optimize them. I was thinking of: ...
4
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0answers
91 views

it's good idea truncate a file while is in use? [migrated]

Around the web many people say you can truncate a file using > filename or truncate -s0 filename while file begin used I know everytime a process write in a file, the process uses a offset for ...
0
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1answer
23 views

Hardware Raid6 - Which FS and mountoptions + basic questions

I've got a new system (Ubuntu 14.04 on an SSD), including 2*Megaraid 9271-8i controller+cachecade & BBU connected to the backplanes of the case. Each controller has 8 WD RED 3TB (4096 Physical ...
37
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5answers
4k views

Removing an (apparently) infinitely recursive folder

Somehow, one of our old Server 2008 (not R2) boxes has developed a seemingly infinitely-recursing folder. This is playing havock with our backups, as the backup agent tries to recurse down into the ...
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1answer
28 views

Writing UNC path names to a different drive? [closed]

To write a link to a file on another server I write \\ServerName\FilePathName which maps to \\ServerName C:\FilePathName How can I write the link to access a different drive, e.g. W:\? I ...
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0answers
40 views

How to manage permissions on shared filesystem in Linux and export it on Windows?

It is a bit complex scenario so I will try to make this a simple as possible for you. ENVIRONMENT I have a shared filesystem on Linux which I export on Windows using Samba4 and users which belong to ...
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1answer
51 views

How do i replicate files between two different file structures?

I've got a directory which contains hundreds of thousands of files. A file typically looks like this : CED375_description_01.jpg. I need to move this file to another directory, but the file needs to ...
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0answers
23 views

Ubuntu 14.04: add physical space drive to folder with existing content [migrated]

system: a VPS running Ubuntu 14.04, apache 2.4.7 I added a virtual disk drive to my VPS server. I would like that the OS (Ubuntu 14.04) resides on its own "system" drive, and my clients files reside ...
6
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0answers
60 views

Is there disk based file system with dedicated memory caching for Linux? [closed]

We have two (or more sometimes) applications battling for the OS page cache. In particular ElasticSearch is very dependent on the OS page cache. To the point that cache misses can make or break ...
0
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2answers
80 views

Copy/Paste for large file crashing Windows

I have a new Dell PowerEdge T320 server with 1 SSD non-RAID and 3 HDDs in RAID 5 all on one Perc H310 controller. RAM is 48 GB and I have Windows Server 2012 R2 Data Center installed on the SSD. I ...
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1answer
225 views

VMWare Error: Read-only file system during write on

I tried hundreds of forums and posts, but nothing seem to help! I have vSphere ESXi 5.5. and when starting ESXi the first time it created and formatted a storage automatically. For some reason I ...
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1answer
51 views

What's a good choice for a general-purpose “non-advanced” filesystem with Linux R/W and Windows/BSD R/O support?

I'd like advice and recomendations as to what filesystem would be ideal for me to use for a 320GB HDD that will replace what appears to be an aging/failing 250GB one. Ideally, I'd like something I ...
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1answer
47 views

Storing Large Amount of files in a file system?

Guys I am creating an application which will be saving a .txt file (approx 10 KB/file I guess) in a file system and will be saving its path in MS SQL database. Now as per my estimation, approximately ...
4
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1answer
54 views

User permissions/feature limitations of the native zfs smbshare service on linux

I'm using zfs on linux, using the sharesmb=on option to try out the native smb share feature instead of adding the zfs tank path to my smb.conf file. The share has shown up on my windows machines, ...
0
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1answer
58 views

EXT4 Single Larger Volume or Many Smaller Volumes

My question is regarding the file system performance of EXT4 volumes relative to size. We have a NAS running any arbitrary Linux platform. The NAS has (12) 4TB disks in a hardware RAID 6 with LVM ...
2
votes
1answer
30 views

How do I monitor file modifications of a Linux user from the user process instead of the file-system itself? [closed]

We have a requirement to fill that will give us a daily report on all the changes that were made (and who made them) through the SSH protocol; whether it be files or database resources. Monitoring ...
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1answer
40 views

Is my default File System ext4

By running df -hT that shows mounted file systems, how can I know if my default FS is ext4? Also as mentioned by one of the MongoDB engineers in this video (@1:13) from M202: MONGODB ADVANCED ...
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0answers
24 views

Async synchronization filesystem strategies

I have the following scenario: Several front-end web servers (nginx + load balancer) serving a web app, each one having a local filesystem, to where user uploads are placed temporarily. An external ...
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0answers
53 views

HPOM Java GUI, multiple users connecting to different servers from Citrix sessions on the same server possible?

I have an app (HPOM Java GUI) running on a 2008 R2 Xenapp 6 box that employs client certificates for encrypting connections to the HPOM server. I have 2 different sets of users who will use this app ...
3
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0answers
22 views

How can I introspect the “shared subtree” mount flags for a particular mount?

Under Linux, the shared subtree flags control how a mountpoint is shared with parent and child mount namespaces. These flags include MS_SHARED, MS_PRIVATE, and MS_SLAVE. How can one see which of ...
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1answer
38 views

Rename NTFS file to eliminate multiple periods via batch

I at wits end trying to rename NTFS files that have technically legal, but problematic multiple periods in my Windows 2012 Server share Files are dropped in a share that look like this: ...
1
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1answer
71 views

MongoDB: insert operation fails but disk is free

I've seen the strange behavior of my server and first of all I looked at log file /var/log/mongodb/mongodb.log. There I saw the next lines: Wed Jan 7 16:33:31 [FileAllocator] allocating new datafile ...
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1answer
68 views

VMware, LVM & Linux: Expanding a volume… temporarily, and without downtime

Our storage layers are the following in a standard setup: Outside of the OS: LUN on SAN VMware VMFS volume on LUN virtual disks (VMDKs) on the VMFS Inside the OS (Linux): the VMDK corresponds to ...
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2answers
146 views

How to migrate a ZFS filesystem to use compression?

Question at the bottom. I have several ZFS file system I would like to use ZFS compression, but since enabling the compression will only affect new data written to the file system, I would like to ...
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1answer
96 views

XPEnology - Filesystem

I've looked all over but I can't seem to find a straight answer. I have 4 NTFS drives with data on them - are these compatible with a fresh install of XPEnology? The aim is to obviously share the ...
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0answers
61 views

Can't mount read-write iSCSI with MTU=9000

I'm attempting to connect my desktop (running debian 7) to a QNAP NAS (running QTS 4.1.1) using iSCSI with an MTU=9000. The network infrastructure consists of a cat5e crossover cable between the ...
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1answer
183 views

Excessive disk usage with virtfs / cpanel

I'm running a server using cPanel, with virtfs enabled, and seeing very high disk usage compared to the amount of data actually uploaded/created by each user. I am getting DISKWARN emails telling my ...
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0answers
24 views

Lost space (tmpfs+aufs)

I have squashfs+aufs file system in a modified CentOS 5 "live cd" operating system (it's custom made live cd, not the one from CentOS). Something is eating space and I can't find out what (see du ...
0
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1answer
118 views

Change file system from case-sensitive to case-insensitive [duplicate]

I have a CentOS bare metal with 1TB SSD and, a couple weeks after having my application in production, we noticed it needs to be case-insensitive. Is there any easy way to accomplish this? Also, ...
4
votes
3answers
294 views

rsync many small files with long filenames takes a lot of bandwidth

I have a file storage server which stores files on disk using the file's sha256 hash as the filename, along with the file extension, and in three levels of directories, e.g. a PDF file with sha256 ...
1
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2answers
43 views

Migrate Users Directory on Windows Server 2008

I have a 137 GB c:\ drive on a Remote Desktop Services server that is full to the brink with user files. I have a 1.2TB e:\ drive that is totally empty. I need to move the c:\users directory from c:\ ...
2
votes
2answers
538 views

Alternative file system/volume manager for ZFS w/ non-ECC RAM?

It's not recommended to use ZFS for a computer without ECC RAM. So, what's a good alternative then? Or is the risk the same, so it doesn't matter what manager I use, it'll be the same problem if a bit ...
2
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1answer
62 views

Will noatime on a tmpfs volume improve performance?

I am using /run/shm/myfolder for nginx micro caching, also keeping ngx_pagespeed files there. I am wondering if there will be a speed increase if I go from relatime to noatime? It's for HDD, but on a ...
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votes
2answers
112 views

Which file system best handle multiple, concurrent write sessions [closed]

Which file system best handle multiple, concurrent write sessions Which file system can handle more concurrent write sessions; let’s say 32 write sessions? The file system has to handle 32 ...
0
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1answer
74 views

Is it possible to force a specific program to use virtual memory?

Let say I have 1GB RAM Ubuntu, I need to run both memcached and redis on the same machine The usage of memcached is quite heavy (e.g. 1K read per second) and redis is less heavy (but still 10 read ...
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0answers
35 views

IS GlusterFS filesystem partition smart enough to shrink in size due to new data on the server?

I'm new to GlusterFS but it works really well for me as a distributed file system. I have a question about my setup and if I should use the partition I store the GlusterFS brick on for anything else. ...
6
votes
2answers
155 views

Calling sync/fsync slows IO after 30 minutes uptime

After 30 minutes of uptime using Ubuntu 14.04 with an ext4 hybrid SSD I see many processes blocking IO using iotop. The root cause of this slowdown has been traced back to the Unix system call sync. ...
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votes
1answer
53 views

Filesystem (or another use) for totally unreliable, old hard disks on a Linux system [closed]

I've got a couple of disks lying around which are small in capacity and old enough to be considered spinning spinning rust, my gut instinct is to not trust them, but the damn things still work. ...
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votes
1answer
45 views

FreeBSD and tunefs(8): minfree option

The minimum free space threshold in FreeBSD is 8% which I think is too high. In a 1 TB Hard Drive, 80 GB of space is unusable. I need some more space in my hard drive. I want to reduce this ...
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3answers
100 views

delete millions of files within a directory [duplicate]

The other day I ran bleachbit on my system. I had enabled wipe disk space option in it. It took several hours and my disk space filled up completely (100GB or so). After waiting forever, I decided to ...
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0answers
23 views

Order of execution: First file system, then array vs. first array, then file system

Suppose I have two HDDs, same manufacturer, same model, same attributes (volume, speed, cache, ...). Both are equally partitioned. I want to have a level one array of two disks with one ext4 ...
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votes
1answer
47 views

How to save Tbs of Photoshop Files efficiently in my file server? [closed]

I have a File Server with 1Tb of PSD(photoshop) files. We are a printing company and this psd are directly being used by online editor panel. I am try to compress these psd but I can't zip/tar them ...
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0answers
319 views

s3fs “could not determine how to establish security credentials”

I'm trying to use s3fs to mount an S3 bucket on to a standard AWS Amazon Linux AMI (with all the necessary dependencies installed). However when following this tutorial when I run: s3fs mybucketname ...
1
vote
1answer
35 views

Analysing root cause of file system errors in Debian

My VPS hosting provider just helped me to restart my Debian VPS after it failed to reboot. He told me there were file system errors but told me to refer to the logs in order to find out what happened. ...