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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783 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 ...
2
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1answer
118 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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vote
2answers
11k 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
989 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
65 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 ...
0
votes
1answer
141 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 ...
2
votes
1answer
10k 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 ...
2
votes
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
243 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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votes
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
733 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
40 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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votes
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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votes
1answer
492 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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vote
3answers
563 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 ...
1
vote
1answer
413 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 ...
2
votes
0answers
174 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
14k 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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votes
2answers
191 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: ...
0
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1answer
563 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
179 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
362 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 ...
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1answer
114 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.
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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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vote
2answers
263 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 ...
19
votes
2answers
23k 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
556 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: - ...
1
vote
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 ...
1
vote
1answer
85 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 ...
0
votes
1answer
246 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
139 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 ...
3
votes
2answers
4k views

Swap partition not recognized (The disk drive with UUID=… is not ready yet or not present)

I think I had an encrypted swap partition, because I chose to encrypt my home directory during the installation. I believe that's what the line with /dev/mapper/cryptswap1 ... in my /etc/fstab is all ...
1
vote
1answer
8k views

Creating a swap file or swap partition on the SSD/HDD [closed]

I have Linux Mint 13 LTS which is based on Ubuntu 12.04 LTS. I installed it on my SSD and will use the HDD for data storage only. When installing the OS I skipped making a swap file/partition. The ...
2
votes
0answers
155 views

How to swap left Alt with left Win and use left Alt as 3rd level chooser?

How can i do such things as swap left Alt with left Win and use left Alt as 3rd level chooser? If I use both the swapping does not take effect but my Alt key is 3rd level chooser and Win key opens ...
0
votes
2answers
768 views

Swap partition on 13.04 not working

I have installed Ubuntu 13.04 on my Dell Studio 1555 laptop and the swap partition isn't mounting or the system is just not using it. I have been using Ubuntu sense 10.04 and have never had this ...
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vote
1answer
85 views

Endless swap operation slows computer to a halt. How to fix?

Every so often--usually when I have lots of programs open--my laptop starts doing what I think is an endless swap operation. The hard drive writes and reads like crazy, and the mouse stops being ...
0
votes
1answer
91 views

How should I use Unionfs or similar in a computer lab to “freeze” /home?

Lab computers need to be "frozen." We'll be switching our XP lab of about 30 computers over to something else this winter, and I'm making a couple of proposals, one of which is LTSP, and another is an ...
1
vote
0answers
174 views

The Ubuntu installation does not create swap partition

The Ubuntu installation does not create swap partition. This issue happen with both 12.04.2 and 13.04. I tested it with two diferents pc and with a virtual machine in virtual box into Ubuntu. I tried ...
0
votes
2answers
148 views

Creating Partitions [closed]

I want to install ubuntu 12.04 lts 64 bit. Can I partition my hdd like this? /boot - 1gb; / - 100gb (this much since I'm planning to have a virtual OS inside ubuntu); swap - 4gb (I have 2gb of ...
0
votes
1answer
2k views

I have 4 GB ram.. what should be the perfect swap partition size? [duplicate]

I heard that swap memory partition should be double the size of ram.. is it true? so I have to keep 8 GB swap space? I'm gonna install Ubuntu gnome 13.04.
0
votes
1answer
2k views

“Failed to create swap space” error during installation

I've been trying to install Ubuntu for the past two days or so, but I've been running into a problem: every time I run the installation program on the LiveCD, I always get the same (or a very similar) ...
2
votes
1answer
2k views

Creating a Dedicated swap hard drive

How can I create a dedicated hard drive to do "swap"on a ubuntu 12.04 LTS?
2
votes
2answers
1k views

Is Linux Swap really needed? Accidentally Deleted

My DELL laptop has a 500 GB hard-disk. I planned to install dual OS in it, so I re-sized the disk using Gparted and my primary OS is Ubuntu 12.10. While resizing my disk, it displays an error only for ...
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vote
1answer
211 views

How to expnad size of root partition, and using Swap Partition

My computer have 500 GB hard drive, and partition table as following 367 MB - Windows 8 Loader 104 GB - Windows 8 332 GB - Personal Stuff 64 GB - extended from above partition previously it was ~400 ...
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vote
1answer
60 views

logical swap shown as 2 separate partitions. Extended and Swap

i would like to ask why Ubuntu disk utility shows my 12gb logical swap partition, as if there were 2 different partitions? I just set 12gb for swap and made it logical. Was this a wrong decision? Why ...
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votes
2answers
105 views

Swap space too little

My machine is running Ubuntu 12.10 with Gnome 3.6; I have 2GB of RAM and I have allocated 1 GB of swap space during installation. And I am not running out of it anytime (as I'm aware/think so), ...
0
votes
1answer
61 views

Encrypted Swap Causes Boot Crash

I have been trying to solve this problem for a while now. I encrypted my home folder and the swap area and now when I select the first option in the boot loader the OS freezes. I tried reinstalling ...