Re: [CentOS] Adding another swap
On Wednesday 05 November 2008 04:41:31 Indunil Jayasooriya wrote: > Hi ALL, > > I have a harddisk with 3 primary partitions and one extended > partitions. Under extented partions , there are 15 partions. > > Whole hard disk has been partitioned in a standard way, (i.e NOT LVM) > > It has 2GB ram. swap is also 2GB. > > Now I want to extend this swap to 4 GB. > > If I use dd coomand and create a file with 2GB, Will I be able to > extend the swap witn swapon commnad? > > How can I achive this? > > Hope to hear form you, Are you sure you are actually using the current swap? If you are not short of RAM you probably aren't. See what top says about my laptop: 538136k total,0k used, Anne signature.asc Description: This is a digitally signed message part. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Adding another swap
Indunil Jayasooriya wrote: Hi Robert , First off all , thank you very much for your step by steb info. The below command creates a 1 GB file. there you have mentioned bs=1G count=1. What is count 1 there? man dd? You can find out for yourself you know. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Adding another swap
Hi Robert , First off all , thank you very much for your step by steb info. The below command creates a 1 GB file. there you have mentioned bs=1G count=1. What is count 1 there? > # Create the file: > [EMAIL PROTECTED] ~]# dd if=/dev/zero of=/root/swapfile bs=1G count=1 > 1+0 records in > 1+0 records out > 1073741824 bytes (1.1 GB) copied, 119.248 s, 9.0 MB/s > #Make the swap fs on the file: If I want to create a file with 2 GB , then , What should I mention? count 2 or 1? What is the correct one out of below 2 commands dd if=/dev/zero of=/root/swapfile bs=2G count=2 or dd if=/dev/zero of=/root/swapfile bs=2G count=1 Hope to hear form you. > > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Thank you Indunil Jayasooriya ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Adding another swap
Indunil Jayasooriya wrote: Hi ALL, I have a harddisk with 3 primary partitions and one extended partitions. Under extented partions , there are 15 partions. Whole hard disk has been partitioned in a standard way, (i.e NOT LVM) It has 2GB ram. swap is also 2GB. Now I want to extend this swap to 4 GB. If I use dd coomand and create a file with 2GB, Will I be able to extend the swap witn swapon commnad? How can I achive this? Hope to hear form you, I just now shelled into a newly-loaded FC8 box and expanded the swap with a swap file: [EMAIL PROTECTED] ~]$ ssh beau [EMAIL PROTECTED]'s password: Last login: Tue Nov 4 11:31:13 2008 [EMAIL PROTECTED] ~]$ su - Password: # Create the file: [EMAIL PROTECTED] ~]# dd if=/dev/zero of=/root/swapfile bs=1G count=1 1+0 records in 1+0 records out 1073741824 bytes (1.1 GB) copied, 119.248 s, 9.0 MB/s #Make the swap fs on the file: [EMAIL PROTECTED] ~]# mkswap -c /root/swapfile Setting up swapspace version 1, size = 1073737 kB no label, UUID=c75b5eaa-b483-44c8-9e4c-c895b16b045c # Create an entry in fstab: [EMAIL PROTECTED] ~]# echo "/root/swapfile swapswapdefaults0 0" >> /etc/fstab # Activate the new swap area: [EMAIL PROTECTED] ~]# swapon -a # Sure enough, it is in use: [EMAIL PROTECTED] ~]# cat /proc/swaps FilenameTypeSizeUsed Priority /dev/sda5 partition 1534168 75304 -1 /root/swapfile file1048568 0 -2 [EMAIL PROTECTED] ~]# ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Adding another swap
Hi ALL, I have a harddisk with 3 primary partitions and one extended partitions. Under extented partions , there are 15 partions. Whole hard disk has been partitioned in a standard way, (i.e NOT LVM) It has 2GB ram. swap is also 2GB. Now I want to extend this swap to 4 GB. If I use dd coomand and create a file with 2GB, Will I be able to extend the swap witn swapon commnad? How can I achive this? Hope to hear form you, -- Thank you Indunil Jayasooriya ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
