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

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David C. Rankin kirjoitti maanantai, 21. kesäkuuta 2010 19:33:18:
> 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.

you have to create the swap filesystem in to the partion by running mkswap 
/dev/sdb6