mdg Posted November 15, 2003 Report Share Posted November 15, 2003 I have two swap partitions on my HD, which has 9.1 and 9.2 installed. 9.2 is the active distro. I want to delete one of the swap partitions, but I'm not sure which. I will be replacing 9.1 today with Debian, so deleting the swap partition belonging to 9.1 won't cause any problems. hda looks like this: hda1 /mnt windows hda5 /mnt/91home hda6 /mnt/91root hda7 swap hda8 /home (9.2) hda9 / (9.2) hda10 swap How can I find out which swap is being used by my primary distro? Quote Link to comment Share on other sites More sharing options...
roland Posted November 15, 2003 Report Share Posted November 15, 2003 have a look in /etc/fstab rem: partitions at the beginning of the hd are a little faster to read/write. so you may keep the first swap one roland Quote Link to comment Share on other sites More sharing options...
bvc Posted November 15, 2003 Report Share Posted November 15, 2003 Yes, fstab will tell you which swap. [root@ml root]# cat /etc/fstab /dev/hda6 / reiserfs notail 1 1 none /dev/pts devpts mode=0620 0 0 /dev/hda5 /mnt/2k vfat umask=0,codepage=850,iocharset=iso8859-1 0 0 #/dev/hda1 /mnt/98 vfat umask=0,codepage=850,iocharset=iso8859-1 0 0 none /mnt/cdrom supermount dev=/dev/hdc,fs=udf:iso9660,ro,--,iocharset=iso8859-1 0 0 none /mnt/cdrom2 supermount dev=/dev/scd0,fs=udf:iso9660,ro,--,iocharset=iso8859-1 0 0 none /mnt/floppy supermount dev=/dev/fd0,fs=ext2:vfat,--,umask=0,sync,codepage=850,iocharset=iso8859-1 0 0 /dev/hda9 /mnt/share reiserfs notail 1 2 none /proc proc defaults 0 0 /dev/hda8 /slack reiserfs notail 1 2 /dev/hda7 swap swap defaults 0 0 [root@ml root]# see /dev/hda7 swap swap defaults 0 0? There's no need to create another swap. You only need one. You can have 10 distros and 5 hd's with only one swap. The kernel will find it when probing your hd's at install and you'll only need to verify it has found one, and that it's location is correct. you can also [root@ml root]# cat /proc/swaps Filename Type Size Used Priority /dev/ide/host0/bus0/target0/lun0/part7 partition 208804 0 -1 [root@ml root]# to find out which swap is in use.......here, you see part7 (hda7). If you want to change which swap is used and the swap is not being used, using my hda7(swap) as an example, you'd run swapoff> then edit the swap location in fstab to, oh say, hda10 then>swapon. If the swap is in use you can still do this but be warned....it may take a while and could lock the machine depending on how much it's being used and how much free ram you have. It's definately a good idea to at least go to init 3 (console) and best to go to init 1. Location? If you highly depend on swap space then towards the fron of the drive IS best. If it's barely used, then IMO the end of the drive is best putting the data towards the front of the drive. I try to keep mine in the middle of the hd. and I have 256MB RAM so my swap is barely used and is only 200MB. I like the procinfo command/pkg [root@ml root]# procinfo -a Linux 2.4.22-19mdk (gb@hp6.mandrakesoft.com) (gcc 3.3.1 ) #1 Fri Oct 24 00:54:15 CEST 2003 1CPU [ml.(none)] Memory: Total Used Free Shared Buffers Cached Mem: 255776 242004 13772 0 19200 105192 Swap: 208804 0 208804 Bootup: Sat Nov 15 10:09:58 2003 Load average: 0.30 0.21 0.11 1/68 2383 user : 0:02:32.49 7.1% page in : 151564 disk 1: 8410r 4581w nice : 0:00:00.00 0.0% page out: 37217 system: 0:00:28.29 1.3% swap in : 1 idle : 0:32:32.81 91.5% swap out: 0 uptime: 0:35:33.59 context : 668058 irq 0: 213359 timer irq 14: 12810 ide0 irq 1: 4585 keyboard irq 15: 14 ide1 irq 2: 0 cascade [4] irq 16: 125613 nvidia irq 6: 1 irq 21: 0 usb-uhci, usb-uhci, irq 7: 2 irq 22: 0 VIA8233 irq 8: 1 rtc irq 23: 2366 eth0 irq 12: 30993 PS/2 Mouse Kernel Command Line: root=/dev/hda6 devfs=mount idebus=133 hdd=ide-scsi acpi=ht splash=quiet vga=normal Modules: 52 *agpgart 1724 *nvidia 8 lp 25 *parport_pc 34 *parport 2 *ipt_TOS 4 *ipt_REJECT 4 *ipt_LOG 1 *ipt_state 1 *ipt_multiport 2 ipt_conntrack 2 *iptable_filter 3 *iptable_mangle 20 iptable_nat 26 *ip_conntrack 15 *ip_tables 31 snd-seq-oss 6 snd-seq-midi-e 42 *snd-seq 43 snd-pcm-oss 14 *snd-mixer-oss 15 *snd-via82xx 78 snd-pcm 18 snd-timer 45 snd-ac97-codec 5 snd-mpu401-uar 17 snd-rawmidi 6 snd-seq-device 9 snd-page-alloc 40 snd 6 soundcore 15 *af_packet 15 *via-rhine 4 mii 82 *supermount 3 *nls_iso8859-1 4 *nls_cp850 12 *vfat 37 fat 33 ide-cd 32 cdrom 11 ide-scsi 89 usb-storage 104 *scsi_mod 25 usb-uhci 73 *usbcore 9 rtc 193 *reiserfs Character Devices: Block Devices: 1 mem 128 ptm 1 ramdisk 2 pty/m%d 129 ptm 3 ide0 3 pty/s%d 130 ptm 9 md 4 tts/%d 131 ptm 22 ide1 5 cua/%d 136 pts/%d 6 lp 137 pts/%d 7 vcs 138 pts/%d 10 misc 139 pts/%d 14 sound 162 raw 29 fb 180 usb 116 alsa 195 nvidia File Systems: [rootfs] [bdev] [proc] [sockfs] [tmpfs] [shm] [pipefs] ext2 [ramfs] [devfs] [nfs] [devpts] reiserfs [usbdevfs] [usbfs] vfat [supermount] [root@ml root]# Quote Link to comment Share on other sites More sharing options...
roland Posted November 15, 2003 Report Share Posted November 15, 2003 What's the difference betweenn a moderator and a single member ? Just compare my post with bvc's one. Nice post bvc ;) roland Quote Link to comment Share on other sites More sharing options...
mdg Posted November 15, 2003 Author Report Share Posted November 15, 2003 Thanks guys, that sorted it out Quote Link to comment Share on other sites More sharing options...
bvc Posted November 15, 2003 Report Share Posted November 15, 2003 thanks roland! :D I have a feeling you knew most of this though. You answered the actually question. I just happen to have the time to go into detail for mdg or any future viewer interested in the topic is all....mod/member isn't the issue here. :D We don't base getting modship on knowledge, but rather a level head........which makes me wonder why I am one :lol: Quote Link to comment Share on other sites More sharing options...
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