Ubuntu :: Partitioning - Adjust Swap Space?
Mar 11, 2010
I'm a first time installer of Ubuntu. I've run it directly from CD a few times earlier, but I'm installing it from the CD for the first time. I've read some stuff about this from other sites, and have some doubts I hope you geniuses would be able to clarify. Situation : My 80GB Primary HDD is partitioned into what I think is 1 Primary partition [10GB] and 1 extended partition [70GB] which is further divided into three logical partitions.
I don't have to worry about other data, since I've got a 320GB External HDD for that. Now, Ubuntu says that it can squeeze the free space out of the Windows Partition. But my Windows partition is pretty full, and I don't want to re-install it on a larger partition. I've got one logical drive [20GB] free on my Primary HDD. Can it be converted into a primary partition without affecting anything else i.e. my Windows partition and the other two logical partitions remain intact ? Or do I have to format my extended partition and subdivide into a primary and extended partition ?
Q2 - How do I adjust swap space ? Does it have to be a primary partition ? Or can it be a logical partition ? To make a logical partition swap space, do I have to reformat my entire extended partition to squeeze out free space, or can it be kept intact? I'm using Ubuntu Hardy Heron. I know it's a lot to read, but I'm pretty confused right now.
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Dec 7, 2010
Lucid on an Acer Travelmate800.Can anyone tell me why I have 0k for swap space? I allocated swap which I can see in my Disk Utility's 'volumes' display.
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Sep 1, 2011
I am about to get a new laptop here soon and I was planning a dual boot like I have on my current laptop (Win7 and Ubuntu), but I have something special in mind. I looked around the forum to see if there was anything like what I had or if it was even possible but I didn't see anything quite like this.I was wondering if this was even possible, and if so, would anyone be able to tell me what filesystem I should use for my windows swap partition?
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Jun 12, 2011
Just picked up a 64g M4 SSD, bit small I know but wanted to have a play and try the SSD thing out. I am chasing partitioning suggestions. Problem is, you guessed it, space. As always with SSD's, space is at a premium. Formatted I am apparently going to end up with about 58gig usable. A disk usage analysis of my current Fedora 14 install on a 7200rpm drive gives me 30g of files in home, and about 15g to root.
Of that 30g of home files, 8g is tied up in Thunderbird alone, so was going to allocate about 45 to /home; and about 3g to swap. Problem is / (root) I have 8 gig tied up in /usr, and another 5 gig tied up in /var. Is this normal? Can I delete some of those files or will a fresh install of Fedora 15 blow out eventually to fill all that. I know I am trapped with /usr on the SSD but can I move /var to a 7200rpm instead of chocking up my teeny weeny ssd? What have other people partitioned their SSD's as?
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Apr 13, 2011
I am testing release 10.10 of Ubuntu desktop from a USB boot drive. It looks great so far, and I am thinking of installing it on the machine. However, I would like to know the disk space requirements. I know I could look them up, Also, while working with the interface I accessed all of the machines devices from the Linux OS and saw that I could partition an existing partition. However, that houses the Windows XP SP3 installation and I was wondering if altering partition size would wipe its contents.
I would be awsome if I could dynamically alter the partition to the size required by Ubuntu plus some slack for applications and the like so I could have both OSs on the same machine without having to reformat the drive for dual boot and re-install both OSs.
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Apr 9, 2011
I am new to Slackware but I'm a bit familiar with Ubuntu. I normally partition my ubuntu using /swap, /root and /home. In ubuntu it is recommended to separate /home and /root partitions so that later on if something to be changed in the system we just need to apply on that /root without affecting our old data in /home. Is it the same way in Slackware applied? If so, is it the same as having /swap, /root and /home partitions as well? Can anyone suggest for the harddisk distribution of my 320GB space..
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Mar 1, 2011
I am attempting to install the 64-bit version of Ubuntu 10.10 on my computer.I'm intending to dual boot Win7 and Ubuntu with one hard drive that came factory partitioned into two drives. Win7 was installed first.Ok, onto the issue. The Install is going well until I get to the Allocate Drive Space form (so almost right off the bat). I first created a swap partition within my "second drive" (really just a partition of the larger drive). This stalled out and I had to exit setup and restart the computer. Booted into Win7 to be safe and Win only recognizes the First Drive and no longer the second drive. So, I boot up the Ubuntu Install CD and get back to the allocate drive space form I see I have a (linux-swap) drive with the same gb space as before.
So, from here I create a partition within the "second drive" 20gb of ext4 type space. This does not stall out and creates a partition of 20 gb. But, now it says I have 175 gb of "Unusable" space. This is very unsettling and using the "revert" button does nothing.How do I fix this space so I can finish the install?[URL]
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Nov 7, 2010
Fedora 14, 64-bit. In installer i came to partitioning, chose option: User Free Space, on hdd i have a partiotion (unformatted) of 40 GB. Still, installer says:
Quote:
Could not find enough free space for automatic partitioning, please use another partitioning method. What should i do? PS. I don't want to create partitions manually, because I don't know how to do it and installer is going to do it way better itself. I can't use whole hdd either as i have windows and data on it which i cannot lose. PPS. I tried unformatted partition, unallocated space (of 40 GB), options: User Free Space, Create Custom Layout, but i always get an error msg about 'not enough space'. Is it possible, that installer is bugged?
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Jan 25, 2011
I've got 4 identical 1 TB drives and would like to use them in a software RAID configuration on my home server. I'm running Debian Linux using 'mdadm' utility to manage the software RAID. I don't know how much I've read is fact or dated or even false so I decided I would ask here to get help from people who know more about this than I do. This is essentially just a file server machine to store all my data so being that I've got four identical SATA hard drives, I was thinking about doing RAID level 5. I guess I'll start here and ask if that is the recommended level of RAID. I think RAID level 5 will be fine for my general server usage. My second issue is partitioning the four individual drives to get maximum performance / space from them. Basically just asking here how would you or you recommend I partition the drives? I was thinking about doing three seperate partitions per drive:
/dev/sda1 = 4 GB (swap)/dev/sda2 = 1 GB (/boot)/dev/sda3 = 995 GB (/Now from that partition schema above, obviously all the types will be 'fd' for RAID and the partition for /boot is going to be bootable. My confusion is that I read Grub doesn't support booting from RAID 5 since Grub can't handle disk assembly. If /dev/sdx2 (sda2, sdb2, sdc2, sdd2) are partitioned for /boot (bootable), how would you guys configure this RAID to match up equally? I don't think I do a RAID level 1 on 4 identical partitions, right?
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Apr 20, 2010
I have Fedora 6 & 10.3. Both DVD's will install the default partitioning (LVM) with either the normal programs or the custom selection. I wish to custom create my own partitions (about6 or7) with EXT3 format. The drive is112Gb. and I am only using about 30Gb. in total, giving approx. 80 Gb free. However after checking for dependencies the error message comes back 'Insuffient free space' every time. This happens on another M/board and/or Drive combination.
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Feb 3, 2010
When i first installed ubuntu about 2 weeks i left about 30gb left for windows vista. I have not used vista at all so i decided to delete it and use the whole hard drive for ubuntu. I got the liveCD out and went into the partition editor on that (i had ubuntu,swap,vista in that order) and deleted the swap space and vista and increased the size of the Ubuntu partition to so there was only 4gb left for swap. I then booted up again from the hard drive and i get this message "one or mounts cannot be mounted" or something to that effect and it talks about the swap partition and offers to boot in recovery mode which does work.Once in recovery mode i go in and try and make swap partition with Disk Utility and i do that and it works. I go to restart Ubuntu to test it out and the same problem happens again, cannot mount swap ect. so i go back into Disk Utility and it now says 4gb Unrecognized instead of swap
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Oct 13, 2009
a friend of mine recently installed Ubuntu in his Laptop however is running really slow. It's Dell 1520 so I don't think the computer is that slow. I think what the problem is that he doesn't have a swap space. ok, I could use GPARTED to resize the HD and create SWAP space but how can I tell the system to permanently use that space?
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Mar 10, 2009
I had just installed gparted , not used yet.I have a problem , at the time of installation i havent created necessary swap space , my linux partition contains 30GB with ext2 filesystem..I'm fully having this , but my question is with the above mentioned tool can I recreate swap space from this 30GB , like 20GB as user space and rest 10 as swap space . Can I?
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Apr 3, 2010
During the installation of Ubuntu 9.04, a user is offered two partitioning choices at the appropriate step.The first is to allow Ubuntu to use ALL the unallocated disc space (I do a "clean install") to automatically form three partitions which are 1) / root, 2) /swap and finally 3) ?, sorry, can't remember what the third partition is for - probably the distro itself taking up the remaining unallocated/free disc space. I do NOT have any version of Windows installed as an OS and refuse to! My hdd is a single 160GB SATA one.
My problem comes with the Partition Table (?) with the Manual option chosen that has a drop-down list with different partitions to choose, but NO Swap partition listed!! This makes absolutely no sense to me at all.If I choose all the other partition table allows and complete the install steps, I immediately get an error message stating that no swap partition has been created (no kidding, how am I supposed to at the manual partitioning step if it isn't even listed??!! The error message also pointedly tells me to immediately create a swap space before continuing and completing the Ubuntu installation.I don't have any idea what is going on,that leads to a solution which allows me to do a manual installation of Ubuntu 9.04 (which I quickly upgrade to Ubuntu 9.10 along with the necessary security plugins or patches) with enough unallocated space left for a dual-boot system later on, adding Mint 10 as a second Linux distro/OS
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Oct 7, 2010
I got back to my laptop after dinner and found a blank screen with one line of text saying something about running out of swap space - I tried all kinds of key combinations but nothing worked to bring the desktop back - eventually I pressed and held the power button to shut it down - I suppose this is Ubuntu's version of the "blue screen of death"?I went to System - Disk Utility to make a 2GB free space right after the swap space. Then I tried to make that 2GB free space a swap space partition but it came back with an error
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Nov 25, 2010
How can I add more space to my drive since I only have 1gb of ram and plenty of hard drive space? Right now it does not seem to be utilizing the swap space very efficiently.
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Jul 6, 2011
Is there any way to force the system to use swap space instead of RAM? I just upgrade form 512 to 1 gb. And when I installed ubuntu I give the swap space 1gb according to 512mb RAm requirement. Now I have 1 gb. When I use heavy applications i-e firefox, office, any game etc at a time the processing go to 100% and the RAM use 50+% of the memory. No swap memory will be use. Any way to use swap instead of RAM?
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Aug 9, 2011
I am using a Dell Inspiron 580 that I recently recieved as a gift. I wouldn't normally purchase a Dell, but I have no money and it my old computer was WAY past it's prime. After going through a miniature nightmare I now wonder how to create swap space for my ubuntu installation. I am running 10.04, 64 bit. I am having no problems, but I have no swap space. My computer is a new -Intel i3- with 6GB of ram; so I assumed I could worry about getting it installed, then set a swap file later. As I said, it runs well, but i don't feel comfortable with ZERO swap space.
When I installed Ubuntu I already had a problem because Dell had included 2 special partitions that are diagnostic and recovery. This didn't surprise me, but I want to make my system backup less than 100GB, so I shrank the "c:" partition to 100Gb and made the free space "storage":NTFS partition. After backing everything up (before messing with the partitions), I installed Ubuntu. Since I had created the backup that Dell asked me to (the very first time I turned the PC on) as well as my own system image I wasn't concerned.
Using GParted Boot disk I deleted the Dell "Recovery" partition and marked the "C:" drive (COS)) as active. I used a Windows 7 install disk to "repair" the bootmgr problem. Had to run "repair" twice, but it worked.
My question now is: why didn't Ubuntu installation say anything about a swap partition until I had already set up my partitions? I could easily give up a gig or two for swap space but I cannot make a swap partition unless I delete the Dell diagnostic partition (NOT the "recovery" partition; the other hidden one). I don't mind deleting the "recovery" partition because it is backed up, but I would prefer not to delete the "diagnostic/utility" partition, just in case. The 40MB is crap anyway.
It hadn't occurred to me that I would have trouble making swap space. I am used to windows (I am dual booting with GRUB BTW, if that matters) and the swap FILE doesn't need it's own partition. I understand why a separate partition would be better, but unless I can somehow create a logical/extended partition for swap, I need to know what else I can do.
I believe Ubuntu is a better system for many reasons, but little things like this do puzzle me. I am no engineer, or software designer, but I don't understand why I wasn't given an option, such as: You cannot make another primary partition; would you like to use a virtual disk/file as your swap space?"
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Oct 7, 2009
I'm running fedora 11 on Dell laptop. I find that fedora is using swap space even if memory is available.
Isn't it slower to use swap ?? Or Am I just missing something ?
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Mar 7, 2010
Working with a scientific code that uses more RAM+swap then i generally have (system has 12GB RAM + 24GB swap, but this thing is crazy)It's kind of a one use problem, so I'm not looking to get more RAM, is there a quick way to add more swap space (not on the swap partition, because i have that set at 24GB) so that my system can use it immediately?I don't want to drive up to the office tonight to get this fixed, so a command line setup would work best.
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Jun 6, 2010
I was fortunate enough to acquire some old 2u server hardware (from 2005) on which I wanted to learn how to use Ubuntu. Ubuntu fails to mount any partition, in fact gparted cannot detect anything. The installer detects the scsi hdds but then fails when it tries to actually make a partition. I've searched this forum, linuxquestions and google. Nothing relevant was found and the solutions involving probing with commands within linux were irrelevant since zero partitions show.
I've tried Ubuntu 10.4, but settled on trying to install 8.10 since it seems to boot up faster and at least detects the physical hard drives quicker. Also tried windows xp and that says "no hard disk detected". I would've tried windows 7 but the server doesn't have a dvd drive.
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Dec 21, 2010
i had to install oracle in my laptop...it required a certain amount of swap space which i didnt have... i tried to create it using the datadump command... dd if=/dev/zero of=/extraswapf bs=1M count=512 i then rebooted and made the swapfile using: mkswap /extraswap i then made the entry in /etc/fstab as follows "/extraswap swap swap default 0 0" and i used the command : swapon /extraswap the swap space was visible after that... but after rebooting the swap space is not visibille
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Jul 6, 2011
I have a rel 5.6 system that we just added more memory to.
1. What is the correct or best way to increase swap?
2. Can I remove the swap space later on?
3. How do you remove it when done?
Our rootvg only has 8G available to it and I want to be sure if i allocate anything out to it I can reclaim when done without having to rebuild the system.
We have to do a lot of data moves so we allocated extra memory to this VM system and now we need to increase swap. I did see several articles in google but they describe using a new swap partition, a swap file and increasing an existing swap space. I am still not sure what is the best way to go knowing this is a temp situation.
[Code]...
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Apr 29, 2011
Before I start a flame war, I'd like to qualify my question with...I have a boatload of ram and a VERY thin install.(CLI openSuse 11.4-64) If I'm running the most baseline, text-only-install...and the whole system install is like 2GB or less, and I have 8GB of ram (which I could easily upgrade to 16). At install time...do I really need a swap partition at all? What purpose could a swap serve if I have that much ram in such a trimmed down environment?
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Jan 30, 2010
swap space consumed is not released when there is enough main memory. pls advise how to release used swap space.
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Jun 17, 2009
I have a dual xeon e5420 server w/ 16GB ram running 5.3 x64 that I was trying to partition out in the following configuration:
250GB on / (root)
4.2TB on /home
50GB on /tmp
2GB on swap
The issue is that no matter what size I set the swap space to in anaconda if always shows 8GB when I "df -h". I've tried setting it to 2GB 1GB and 512MB all with the same result.
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Mar 20, 2011
How to add swap space?
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Sep 1, 2011
I want to convert my swap space 8GB to usable formatHere is the output of sudo fdisk -l command$sudo fdisk -lDisk /dev/sda: 80.0 GB, 80026361856 bytes255 heads, 63 sectors/track, 9729 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesDisk identifier: 0x26af26ae
Device Boot Start End Blocks Id System
/dev/sda1 * 1 2295 18434556 7 HPFS/NTFS
/dev/sda2 2296 9728 59705572+ f W95 Ext'd (LBA)
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Oct 31, 2010
I am currently running 32 bit ubuntu in my PC with 2.5 GB RAM, Intel Pentium Dual Core inside. I am coming to debian soon. I will be installing 64 bit squeeze. Now I have 3 GB of swap space. I do satellite image processing. Therefore what is the recommended swap space for me with the kind of work I do. RAM is in very small amount but as of now I have to stay with it.
Also I am interested to know would KDE be an overkill for my machine. Will I run short of memory when I start image processing?
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Jun 10, 2010
How can I figure out which programs are using up swap space? My current memory usage is 2.9GiB out of 3.0GiB used(and I though I had 4GB, I need to check into that) and 1.3Gib of swap used.
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