Unix systems, and other Unix-like operating systems, use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. In some of those systems, it is common to use a separate whole partition of a hard disk for swapping. These ...

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How much swap space should I configure? [duplicate]

How much swap space should I have? I have a 500GB HDD and 6GB RAM. My specs: Release 12.04 (precise) 64-bit Kernel Linux 3.8.0-34-generic GNOME 3.4.2 Memory: 5.7 GiB Processor: Intel® Core™ ...
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3answers
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Is this partitioning scheme for Windows7/Ubuntu fine?

This isn't an exact copy of my previous question. I have an ASUS K53U laptop with Windows 7 64-bit installed. I want it to dual-boot with Ubuntu (Linux-Secure-Remix, preferably). I have previously ...
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1answer
48 views

Swap partition usage

I created a 7.5Gb swap partition when I installed UBUNTU 12.04 on my 80 GB hard disk. My system runs with 512Mb RAM. I am not sure if this SWAP partition size is right. I also would like to know if ...
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464 views

Why does Ubuntu install default to minimum swap partition size?

When installing Ubuntu unless you do a manual partition, you get roughly and x+.5 MB swap space, where x is the amount of ram present. At least this has been my experience. I that official Ubuntu ...
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1answer
71 views

hibernate is diabled on ubuntu 13.04? [duplicate]

I'm using ubuntu 13.04 and hibernate is disabled Do I need a big swap file to enable hibernate ? How ?
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1answer
32 views

Ubuntu 12.04 swap USB [duplicate]

I'm new in ubuntu and I tried to install the alternate CD in my machine. Everything went fine but when I tried to boot a black screen and a blink cursor went on. I can boot from my USB and searching ...
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2answers
371 views

Is putting swap on a USB2 flashdrive practical?

After searching here, I found no direct answer to: Is it practical to put swap on a USB Flash drive? I do not yet know if the teeny-tiny flash drive (Fit CZ33 ) I wish to use runs at high-speed (480 ...
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1answer
57 views

What is the role of the swap space? [duplicate]

This has been something that I've wanted to ask for quite a while, but I just haven't. When Ubuntu is being installed there is an option where swap space can be assigned, at least in the custom ...
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2answers
177 views

Performance tuning - multiple swap partitions? (command-line)

SUMMARY Does Ubuntu take advantage of multiple swap partitions on separate physical media, from a load sharing point of view? i.e. if one drive with a swap partition is burdened with i/o, will it ...
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2answers
830 views

Sharing of swap partiton between linux systems?

I have a laptop on which I have installed Ubuntu 12.04 and Windows Now just for learning purposes I am going to install Backtrack OS on it. My laptop has 4 GB of RAM so according to the ...
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1answer
273 views

The Creation of Swap Space in Partition #9 of SCSI3 (0,0,0) (sda) Failed

I am trying ubuntu 13.04 from sandisk cruzer blade. I want to install it . I created a partition of 25 GB. I formatted to ex4-or something like that and mounted it to- / But I am reciving - The ...
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2answers
1k views

Swap on Ubuntu: No primary partition

I am running Ubuntu 13.10 64bit on a system with 4GB RAM, dual booting with Windows Most people say that it is good to have swap on a system, and results in speed, so I used it with my previous ...
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1answer
48 views

ubuntu 12.04 2D hibernatization

I'm pretty noob in linux OS. I chose ubuntu to start with, because is most user friendly. But i can't make him go to hibernate. I have 2 gb RAM and 4 gb SWAP, i follow the instructions to enable ...
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1answer
306 views

Wubi install: How to increase swap size

I am trying to increase the swapfile size on my WUBI install. I followed the answer here: sudo su swapoff -a cd /host/ubuntu/disks/ mv swap.disk swap.disk.bak dd if=/dev/zero ...
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2answers
9k views

What is the safest way to remove a swap partition?

I am running Ubuntu 12.04 on a 64-bit HP laptop with a 16 GB flash drive. I do not have a working hard drive right now. When I installed Ubuntu, I created a 2 GB swap partition on sdb1. I have since ...
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1answer
167 views

Issue with increasing the root partition from the swap

I have an issue with increase the size of my root partition. I have ElementaryOS Luna, and while installing it asked me how much space I want to use. I choosed 15 GB for it, because I want to use this ...
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1answer
851 views

Make my Ubuntu, use more swap than RAM

So, I have 786 MB RAM with 1.6 GB Swap. I want to increase the usage of swap. In other words, i want my Ubuntu to use more Swap than My RAM. Please Tell me, how to do it
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4answers
2k views

Does swap file usage increase disk I/O and CPU load?

Someone brought to my attention that if an application is using swap file (when system RAM is very low) it increases the disk I/0 and as a result of that, CPU use % and CPU Load increases. Is this ...
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1answer
127 views

swap problem in ubuntu 12.04

Having problem with swap. Actually, in the system monitor it shows swap is not available, and then I installed GParted partition editor. There is a partition named /dev/sda7 and file system is ...
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2answers
12k views

How to increase the size of linux-swap partition

I want to increase the size of Linux-swap partition after installing ubuntu(not during the ubuntu installation wizard). I want to increase /dev/sda9 partition from 9.31GB to 16 GB.Please help me.
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1answer
999 views

How to add swap file to Ubuntu 12.04 [duplicate]

I have at Ubuntu 12.04 swap size the same as my RAM - 1Gb. I want to increase this a little bit, till 3Gb. Increase 2Gb of swap size. I read SwapFaq but I can't understand how to keep having this ...
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2answers
66 views

Swap drive not operating correctly

At first, I started seeing the warning signs. The halting pages. The molasses speed of the windows closing. The pictures not rendering. Then, I took action. Recently I added a swap drive to my ...
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1answer
157 views

Heavy applications lag Xubuntu

Ever since i started using Xubuntu I have noticed that whenever I run any heavy application like Eclipse, Tomcat Server or even when I open sites like facebook in multiple tabs in the Web Browser my ...
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1answer
11k views

Disk doesn't contain a valid partition table - partition table entries are not in disk order

I am in need of some help. I am completely new to linux. I have created and installed a Unbuntu 10.04 server as a virtual machine that is running in a Citrix Xenserver 5.6 Fp1 environment. While I ...
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2answers
4k views

How can I enable zswap?

Ubuntu 13.10's release notes mention that it includes Linux 3.11, which supports something called zswap: Zswap is a lightweight, write-behind compressed cache for swap pages. It takes pages that ...
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1answer
269 views

Swap not available on System Monitor

I had a swap partition of 1GB (RAM 1GB, Ubuntu 12.04 lts). Now swap is not shown on System Monitor neither can I hibernate my pc (sudo pm-hibernate). blkid output: /dev/sda1: UUID="B8B4FBB1B4FB706C" ...
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1answer
109 views

Swap drive not turning on when I log in

Recently I added a new 40GB hard drive as swap. I want the swap to be enabled when the computer logs me in. I followed the directions here to make the swap command run on start up. I added ...
2
votes
1answer
799 views

Can't reduce swap size

I'm building my first Ubuntu Server and I'm struggling with with the swap size. I have 16GB RAM, however disk space is limited as I'll be running multiple VM's. That's been said, I've created a ...
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0answers
41 views

What should I do with this apparently redundant swap partition?

I have a machine running Ubuntu Server on an encrypted LVM, with an encrypted swap partition. After I unlock the LVM during boot, I get this message: The disk drive for ...
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1answer
34 views

How can i install more partitions,i have two i think swap and primary i guess?

My friend was on skype explaining to me how to install linux so we didnt take whole hard disk space for linux he said that later i can always edit that and add partitions,i dont even now how to check ...
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1answer
505 views

`ubuntu--vg-swap_1 is not ready or not present` whenever I boot, what it means?

Every day since I installed Ubuntu 13.04 I get an error when I boot. It's like this: The write station for /dev/mapper/ubuntu--vg-swap_1 is not ready or not present (I'm dutch so it can be ...
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3answers
607 views

How to get back lost capacity after using Gparted?

I have a laptop with a single Intel 80GB SSD. I originaly only had W7, but installed Ubuntu on a small partition of this disk. Recently I wanted to expand the partition containing Ubuntu and so booted ...
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1answer
418 views

Grub rescue after windows install

Disaster, Please, Help ASAP. I had a dual boot on my pc with windows xp and lubuntu linux. Then recently i had some windows errors and decided to install windows 8 instead of xp. So after i ...
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0answers
186 views

Ubuntu crashes with high memory use without swapping

I'm running some memory intensive calculations on Ubuntu 13.04. I have 8 GB of RAM, and a swap partition with the same amount of memory. The hard disk and swap partition are encrypted. › free -m ...
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votes
4answers
15k views

Put swap on SSD or HDD?

New installation coming up. 120gb SSD for OS and HOME and 1tb HDD for storage. 16gb of ram which means 16gb of swap if I recall correctly. SSD space is too valuable for a swap partition right? If my ...
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2answers
202 views

Is ubuntu swap enabled

I have installed ubuntu in my computer, later, I format a partition as linux swap and want to replace it with existing tmp directory under mount point /. I followed procedure given in this link: ...
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1answer
565 views

Installing Windows 7, UBuntu 12.04 and Fedora 18 (19) in triple boot with SWAP and Files space in HDD

I'm new... but, i want you to help me... I want a Triple-boot, Windows 7, Ubuntu 12.04 and Fedora 18.. or 19...and i found this post (question...(?) How do I triple-boot Ubuntu, Fedora and Windows 7? ...
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3answers
1k views

/, /home and swap partition sizes when using multiple drives [duplicate]

I'm about to install Ubuntu 13.04 on my computer and I'm wondering how big each partition should be. I read that the swap area should be twice the size of your install RAM and I figured /home should ...
0
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1answer
181 views

Installing Ububtu 12.04 on Dell Inspiron N5110 already having 3 active partitions

The Dell Inspiron N5110 already has 3 active partitions - BOOT FAT 32 (44 MB for Dell Diagnostic tools) RECOVERY NTFS (15 GB) SYSTEM (192 GB ) Option 1 :-I can shrink the system volume and install ...
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2answers
387 views

Swap partitioned drive not able to access

I am new to Ubuntu however I installed it on drive (D) as my other partition (C) has Windows installed. I had selected a partition (F) for swap area while installing. Now I have un-installed ...
0
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1answer
115 views

Does Swap Space Use Real RAM To Keep It On?

I would like to know if having swap space, uses RAM/Memory to keep the swap space 'active', even though the swap space is virtual RAM.
1
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1answer
35 views

uninstalling some redundant ubuntu installations

I’m kinda new to Ubuntu and I’m making a slow but safe progress. I had version 12.04 installed, until i upgraded to 12.10, and than it stopped working. Long story short, I had 5 Ubuntu’s installed - ...
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2answers
273 views

Increase cryptswap size

My cryptswap is now 4gb. I upgraded my RAM and I'd like to increase the swap accordingly to approx 8GB. So far, I've reduced the size of my main sda1 partition with GParted by 4gb and I'm left with ...
20
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2answers
25k views

What to do about “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present”?

While booting Ubuntu 12.04, the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing. What is this? Is this is an error?
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1answer
578 views

GParted cannot identify swap partition on Ubuntu 13.04

I had a major system crash, after which I reinstalled Ubuntu 13.04. The problem was that I wasn't sure about creating a partition for swap using GParted because from what the online tutorials seemed ...
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2answers
4k views

How can I fix “The creation of swap space in partition #6 of SCSI2 (0,0,0) (sda) failed” while installing Ubuntu?

Edit: Updated my question with screenshots I have a 500 GB built-in hard disk. I have 3 primary partition. C: - 100GB - Primary Partition - Windows 7 installed D: - 150GB - Primary Partition E: - ...
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2answers
7k views

Safe to create a swap partition using GParted?

I went through this forum post, and found out that it is possible to install a swap partition after installation of the OS. I just wanted a guide as to how I should do it so as to have it done safely ...
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vote
1answer
86 views

Massive disk i/o on memory reach %70

Previously system became unresponsive when RAM usage reached around %70. It was because of massive disk I/O operation, presumably to swap disk. I tried to tweak swapiness factor and it didn't affect ...
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1answer
261 views

Ubuntu 12.04 LTS install failed. swap partition failed [duplicate]

I recently was lucky enough to get a laptop for free. The only setback is it had no operating system. I burned ubuntu 12.04 LTS to a disk, and when i boot it in the laptop it loads. I tried installing ...
1
vote
1answer
145 views

How to copy files from swap space? [duplicate]

I'm a newbie to Ubuntu. When I was trying to install Ubuntu 12.04 on my laptop, I chose one of major partitions (60G) which contains lots of important files as a swap space. After completing the ...