[CentOS] What's going on with my Linux Swap?
hyclak at math.ohiou.edu
Thu Sep 8 13:39:28 UTC 2005
On Thu, Sep 08, 2005 at 10:32:10PM +0900, Dave Gutteridge enlightened us:
> I've tried to create a Linux swap file, but when I run fdisk, it looks
> like this:
> Device Boot Start End Blocks Id System
> /dev/hdb1 * 1 3644 29270398+ 83 Linux
> /dev/hdb2 3645 3737 747022+ f W95 Ext'd (LBA)
> /dev/hdb5 3645 3737 746991 82 Linux swap
> Why is this W95 partition existing in the same place as my Linux swap? I
> would have thought they'd be incompatible.
> Can my Linux OS use this Linux swap?
> Does this need cleaning up, and if so how?
It looks like it is some sort of extended partition. DOS disklabels can only
have 4 partitions (primary), so to get around that you can create a primary
partition as type extended, which can contain more partitions (up to 12, I
On my system, the extended partition is type 5, on yours it's type f. I'm
not sure it's hurting anything, but to be on the safe side, I'd probably
delete partitions 5 and 2, and just create a primary partition of type 82
In a related note, does your system have no other swap enabled at all? That
could explain your yum-lockup problems. Yum is very memory intensive, if you
starve it and it has no swap to go to, it probably will lock up. :-)
Department of Mathematics
Department of Social Work
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