/etc/fstab is the configuration file which contains the information about all available partitions and indicates how and where they are mounted.

learn more… | top users | synonyms

53
votes
5answers
32k views

Can I configure my Linux system for more aggressive file system caching?

I am neither concerned about RAM usage (as I've got enough) nor about losing data in case of an accidental shut-down (as my power is backed, the system is reliable and the data are not critical). But ...
11
votes
1answer
14k views

What is the difference between 'nobootwait' and 'nofail' in fstab?

In this question I asked what how to not make a media failure halt the system boot process. However, I got two suggestions for fstab options nobootwait nofail What is the difference between the ...
8
votes
3answers
13k views

Moving /var, /home to separate partition

I am attempting to move some folders (such as /var and /home) to a separate partition after reading this guide: 3.2.1 Choose an intelligent partition scheme I was able to move one folder ...
8
votes
3answers
3k views

Why does fstab use UUID instead of the actual file system name?

For example, this is the first line of my /etc/fstab: UUID=050e1e34-39e6-4072-a03e-ae0bf90ba13a / ext4 errors=remount-ro 0 1 And here's the output of df -h command (reporting free ...
8
votes
2answers
2k views

Can I include another file in fstab

Can I include another file in my fstab file? I.e. can I have fstab execute lines from another file at an arbitrary point, and then return to the main file when completed?
7
votes
2answers
14k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
7
votes
1answer
823 views

How is /etc/fstab accessed before root is mounted?

I was making some changes to /etc/fstab, when this chicken and egg question occurred to me - if /etc/fstab contains the instructions for mounting the file systems, including the root partition, then ...
6
votes
2answers
21k views

mount error 13 = Permission denied

One of my servers is set up to automatically mount a Windows directory using fstab. However, after my last reboot it stopped working. The line in fstab is: //myserver/myfolder /mnt/backup cifs ...
6
votes
2answers
1k views

Why was fsck priority introduced in /etc/fstab?

Inside the /etc/fstab file, in the sixth column, there is a number that corresponds to whether a filesystem should be scanned for errors. Possible values are: 0 - skip 1 - high priority 2 - low ...
6
votes
1answer
543 views

HDD allocation fstab

In my PC running Ubuntu 12.04 LTS I have installed three SATA hard drives. Two of them are installed near a cooler. I want to physically switch two drives (one that is not near the fan should be moved ...
6
votes
2answers
5k views

How do I add an entry in /etc/fstab for a windows share?

I want to be able to mount our file server's file share (on a Mac OS X server, shared via AFP and Windows File Sharing) on my Ubuntu 10.10 linux laptop. I want to be able to mount it as my normal ...
6
votes
3answers
5k views

Does initramfs use /etc/fstab?

The way I understand it, initramfs is responsible for loading the "real" root filesystem. Now, there are two places where we define that root. First we put an entry in /etc/fstab. Second, we put the ...
6
votes
4answers
2k views

mount ramfs as user

My fstab entry: none /home/jreinhart/ramdisk ramfs defaults,user 0 0 The directory before mounting: drwxrwxr-x 2 jreinhart jreinhart 4096 Oct 17 11:31 ramdisk The directory after ...
6
votes
1answer
1k views

bind mount /var with fstab

I'm messing around with having both /home and /var on a seperate partition which will be mounted in /myhdd. Next, I use mount --bind to mount /var on /myhdd/var and /home on /myhdd/home. With this ...
6
votes
1answer
5k views

Difference between 'sync' and 'async' mount options

What is the difference between sync and async mount options from the end-user point of view? Is file system mounted with one of these options works faster than if mounted with another one? Which ...
5
votes
5answers
12k views

sshfs always asking for password in fstab?

I'm trying to enter an sshfs mount in /etc/fstab with the following line: sshfs#oli@192.168.0.2:/media/usb0 /media/ExtHD fuse defaults,nonempty,allow_other 0 0 So that this volume is mounted at ...
5
votes
1answer
3k views

Why rootfs is mounted multiple times?

Here you can see two devices are mounted as root: $ df Filesystem 1K-blocks Used Available Use% Mounted on rootfs ...
5
votes
1answer
973 views

Partition not mounting from fstab

I have mounted a partition and add it to fstab file and then rebooted but I see that the partition is not mounted although it was added to fstab. What is wrong, and how can I solve it? fstab line: ...
5
votes
1answer
942 views

Advantages/disadvantages of increasing “commit” in fstab

I have done many obscure system optimizations in the past, but I got rid of most of them after powertop told me I should set my USB ports to autosuspend, which forced them to an eternal sleep, and ...
5
votes
1answer
4k views

Do not halt the boot if an fstab mounting fails

I have this line in my fstab: sshfs#ecarroll@o99:/opt/dealermade/ftp/inc /opt/dealermade/ftp/inc fuse defaults,idmap=user,users 0 0 For whatever reason it didn't work -- that's fine. How do I make ...
5
votes
1answer
161 views

mount options for bindmount

Due to some complex requirements, I had to put the following two lines in /etc/fstab: /dev/xvdg1 /srv/storage ext4 $OPTIONS1 0 2 /srv/storage/dir /var/opt/dir none bind,$OPTIONS2 0 0 ...
5
votes
1answer
963 views

btrfs and the discard mount option on an ssd

I can't seem to find an answer to this so I thought I would ask here: In /etc/fstab and when using the mount command in ext4 you would add the option discard to activate TRIM on an SSD. Similarly ...
4
votes
2answers
4k views

understanding /dev/disk/by- folders

Question: What does /dev/disk/by-pathdescribe? And where is this documented? Going through the meaning of what is displayed in the folders /dev/disk/by- I've got that far, and I wonder is this ...
4
votes
2answers
13k views

How to automatically mount an USB device on plugin-time on an already running system?

I know how to use /etc/fstab to automatically mount devices on boot or when doing sudo mount -a, which works perfectly fine. For example, here is my current line for my device UUID=B864-497A ...
4
votes
1answer
4k views

What is the difference between a symlink and binding with fstab?

In Eric Hammond's article Running MySQL on Amazon EC2 with EBS he shows how to add a second drive (/vol/) and then progresses to move mysql's config and data there. /sdh gets mounted as /vol by ...
4
votes
1answer
1k views

can not create /dev/shm

I need to create /dev/shm on an embedded ARM system. From "Installed The Latest Changes to Current and......". I see that it can be created with mkdir /lib/udev/devices/shm, but I'm wondering what ...
4
votes
1answer
2k views

Umount device after bind mounting directories: is it safe?

I have a home partition which is shared by mulitple distros on the same box. I'm using bind mounts from fstab. Each Linux install has something like this: UUID=[...] /mnt/data ext4 ...
4
votes
1answer
391 views

how to prevent reboot being stopped by nfsmount?

I can't imagine there isn't a simple strategy to solve this issue of stale nfs handles preventing a machine from shutting down normally, but I'm not sure what that would be. It's pretty annoying to ...
4
votes
2answers
4k views

Mount a folder on a drive in fstab. Move?

I'd like to make a temporary change to my fstab file so that my /home is on another drive. However, I don't want the whole partition to be mounted, but just a folder ("home") on that partition. I'm OK ...
4
votes
4answers
3k views

fstab not mounting a disk on boot

I'm running Arch Linux on a Macbook. I want to automatically mount my Macintosh partition when booting Arch, so I added the following to /etc/fstab: /dev/sda2 /media/Machintosh hfsplus defaults 1 2 ...
4
votes
1answer
233 views

Archlinux, move files to a different partition

During the installation I thought I had generated the correct fstab, but now, after cp complains that the filesystem is full, I discover that fstab is empty. I have this configuration: # lsblk NAME ...
4
votes
2answers
212 views

Wildcard automounts with systemd

I’m running jessie/sid with systemd 208 and try to convert the following wildcard autofs configuration to either an /etc/fstab or .mount/.automount definition. $ cat /etc/auto.master /home/* ...
4
votes
1answer
390 views

How to mount some folders on a different partition

I recently got an SSD for my computer. Therefore I reinstalled my system and mounted / on /dev/sda1 (which is a partition on the SSD). To protect the SSD, I managed to mount /tmp on the RAMdisk. ...
4
votes
2answers
296 views

UUID in /etc/mtab

In some versions of Ubuntu. Disks are mounted by UUID. in My machine, /proc/mounts /dev/disk/by-uuid/UUID / ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0 /etc/fstab UUID=U-U-I-D ...
4
votes
1answer
2k views

Debian: Mounting NFS Volume at boot with fstab not working, How to change when this is attempted on boot

So there are a bunch of NICs and vlans on the server and after adding the last ones the auto mount of a network volume is not working. I can do it all right if i SSH in and use mount however it doesnt ...
4
votes
2answers
812 views

mounting local network folder in Ubuntu

I add a folder in /etc/fstab: //172.30.12.37/test/ /home/my/test cifs user=afs,pass=123456,auto,exec,umask=002,gid=1000,uid=1000,file_mode=0777,dir_mode=0777 0 0 Now test link can be seen in ...
4
votes
2answers
12k views

Mount USB drive (FAT32) so all users can write to it

I have a USB FAT32 drive that is on /dev/sda2. I've mounted it as /media/bigdrive however, I get permission denied whenever I try to touch a file there as a non root user. When I run mount I can see ...
4
votes
0answers
486 views

No access to symlink folder on NTFS partition

I am using an NTFS parition for storing data I like to access both from Ubuntu and Windows 7. On my Ubuntu HOME partition, I like to link the folder Assets in order to access it from an application ...
3
votes
5answers
1k views

How to align fstab entries easily

Editing /etc/fstab with my text editor makes all the spacing go out of alignment. I could go through the file and insert/delete spaces to line everything up, but I'm looking for a more automated ...
3
votes
3answers
2k views

Recommended fstab settings

I made a new partition for my home drive by following this guide I have no idea what the fstab setting it suggests mean: UUID=???????? /home ext3 nodev,nosuid 0 2 I ...
3
votes
1answer
2k views

ACL is NOT enabled but it's working [duplicate]

How this is possible? ACL is not enabled in /etc/fstab, and I can verify it via manually opening fstab or running sudo mount | grep -i acl. But getfacl & setfacl Commands would work without any ...
3
votes
3answers
50 views

Automatically mount a drive using /etc/fstab, and limiting access to all users of a specific group

I currently have an extra HDD which I am using as my workspace. I am trying to get it to mount automatically on reboots using the following line added to /etc/fstab /dev/sdb1 /media/workspace auto ...
3
votes
3answers
185 views

Why is the exec option not listed in /proc/mounts?

My understanding is /proc/mounts should list all mount options for a filesystem, including kernel defaults, so I was surprised to see that exec (among others) is not listed here? For example, my root ...
3
votes
2answers
866 views

Error mounting drives

I am not able to mount the disk. It is showing error. Error mounting system-managed device /dev/sda3: Command-line `mount "/media/tusharmakkar08/Local"' exited with non-zero exit status 1: [mntent]: ...
3
votes
2answers
1k views

Linux Mint: drives' map changing at reboot brings fstab error

I've set up fstab to auto mount media drives on a Linux Mint machine. The OS is installed on a IDE/ATA Disk while 3 SATA disks hold data to share. The BIOS has the ATA disk as first boot device. All ...
3
votes
2answers
2k views

Make part of read-only filesystem writable

I have a filesystem on flash using jffs2. I would like to mount this filesystem read-only, except for a single folder that I would like to be writable. Is this possible without resorting to something ...
3
votes
2answers
2k views

Linux: difference between using autofs with NFS and just using fstab

What is the difference between using auto.master and having autofs automount your NFS mountpoints versus just putting the info in fstab? Linux Red-Hat 5/6
3
votes
1answer
42 views

Does fstab actively run to detect new filesystems and mount them?

I'm creating an encrypted filesystem with LUKS. Inside of it is a single BTRFS filesystem. If I add the UUID (and subvolume) of the filesystem to /etc/fstab, will the filesystem automatically be ...
3
votes
1answer
1k views

How to enable user_xattr in Mint Cinnamon?

I just installed Netflix Desktop on my Cinnamon Mint, but I can't start it. When I run the program, I get the following message: It appears that you do not have extended file system attributes ...
3
votes
1answer
177 views

USB hard drive won't remount after power outage

My home server has a USB hard drive plugged to it. Once in a while, the breakers jump or there are power outages. Since my server is a laptop, it keeps chugging along, but the rest of the hardware ...