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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How to migrate /var back into the main partition [duplicate]

I have two harddisks, mounted on / and /var I need to migrate the /var partition back into the / partition. What are the steps required to do this?
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204 views

How to see what Windows registry and file system changes happened after a software install?

I'm solving a problem - I'm installing software on Windows and it makes the system unstable for some reason. Windows starts crashing soon after. I want to know what changes it made to the registry and ...
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1answer
69 views

sFTP users permissions to overwrite/edit over root owned files

This is related to Give SFTP users and Apache write permissions on same folders So, I am using ACLs to give write permissions over /var/www. It works perfectly when developer login users upload new ...
0
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0answers
151 views

HYPER-V Cluster W2012R2 Can't delete VHDX on CSV

I'm working on a Windows 2012 R2 Hyper-v. I've just done an EXPORT of a Virtual Machine to a CSV Volume to import later. But I hanve't performed the import, and when I went to delete the exported ...
0
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1answer
208 views

SSD caching using bcache or dm-cache on kernel 2.6.32-042stab104.1

I'm looking to use bcache or dm-cache with the latest OpenVZ kernel (2.6.32-042stab104.1) on CentOS 6. Unfortunately, dm-cache and bcache are part of kernel 3.10, but I know the OpenVZ kernel has a ...
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2answers
70 views

using powershell ; from a given location a of folder i want to validate and show the number of specific filetypes respective folder

Using powershell from a given location a of folder I want to validate and show the number of specific filetypes respective folder. I tried using the command to count the number of files in a folder I ...
0
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1answer
44 views

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 ...
0
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3answers
128 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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2answers
22 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 ...
0
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1answer
203 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
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1answer
67 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 ...
0
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0answers
12 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
48 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: ...
0
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1answer
61 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 ...
39
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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 ...
0
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1answer
58 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
73 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 ...
0
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1answer
56 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 ...
6
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0answers
86 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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3answers
299 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 ...
0
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1answer
1k 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
72 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 ...
0
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1answer
134 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
191 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, ...
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1answer
100 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
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1answer
47 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
66 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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37 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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82 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
43 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
69 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: ...
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1answer
218 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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101 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
227 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
150 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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109 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 ...
1
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1answer
625 views

Excessive disk usage with virtfs / cpanel [closed]

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 ...
0
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0answers
36 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
225 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
378 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
70 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
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2answers
802 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
votes
1answer
126 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
155 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
133 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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60 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
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2answers
200 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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1answer
56 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
87 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
114 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 ...