[arch-general] New Arch Install - Swap Won't Activate - Help the clueless?

[Baho Utot]

On 06/21/10 12:33, David C. Rankin wrote:
> Guys,
>
> 	I'm laughing at myself for being unable to get swap activated. Initially, when
> I breezed through the install, I forgot to set /dev/sdb6 to type 82 so the box
> came up with swap off (2G of ram so not much of an issue)
>
> 	But now, I want to activate it and I get an error activating swap that frankly,
> I have never seen before:
>
> [11:27 dcrgx2:~] # swapon -a
> swapon: /dev/sdb6: read swap header failed: Invalid argument
>
> Huh?
>
> 	Here are the current details of the install:
>
> [11:26 dcrgx2:~] # cat /proc/partitions
> major minor  #blocks  name
>
>     8       16  488386584 sdb
>     8       17          1 sdb1
>     8       21     144522 sdb5
>     8       22    1951866 sdb6
>     8       23   29294496 sdb7
>     8       24  456992991 sdb8
>     8        0   39062500 sda
>     8        1      40131 sda1
>     8        2   39005820 sda2
>
> [11:26 dcrgx2:~] # fdisk -l /dev/sdb
>
> Disk /dev/sdb: 500.1 GB, 500107862016 bytes
> 255 heads, 63 sectors/track, 60801 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x0005cd36
>
>     Device Boot      Start         End      Blocks   Id  System
> /dev/sdb1               1       60801   488384001    5  Extended
> /dev/sdb5   *           1          18      144522   83  Linux
> /dev/sdb6              19         261     1951866   82  Linux swap / Solaris
> /dev/sdb7             262        3908    29294496   83  Linux
> /dev/sdb8            3909       60801   456992991   83  Linux
>
>
> #
> # /etc/fstab: static file system information
> #
> #<file system>         <dir>          <type>     <options>           <dump>  <pass>
> devpts                 /dev/pts      devpts    defaults            0      0
> shm                    /dev/shm      tmpfs     nodev,nosuid        0      0
>
> #/dev/cdrom             /media/cd   auto    ro,user,noauto,unhide   0      0
> #/dev/dvd               /media/dvd  auto    ro,user,noauto,unhide   0      0
> #/dev/fd0               /media/fl   auto    user,noauto             0      0
>
> /dev/sdb6 swap swap defaults 0 0
> UUID=30247a6b-c639-4180-9b44-3535ade87de2 /home ext4 defaults 0 1
> UUID=73356263-d92f-4914-bb0d-07f5611b5709 / ext3 defaults 0 1
> UUID=de71b9f1-a954-4d41-84c2-926de89d1edb /boot ext3 defaults 0 1
>
> 	It looks to me like swap should activate. What am I missing? Thanks for any
> insight you can lend here.
>
>

did you do

mkswap /dev/sdb6