Questions re swap-on-zfs
Ronald Klop
ronald-freebsd8 at klop.yi.org
Mon Oct 7 15:39:33 UTC 2013
On Sun, 06 Oct 2013 14:33:50 +0200, Hugo Lombard <hal at elizium.za.net>
wrote:
> On Sun, Oct 06, 2013 at 05:00:30AM -0700, Beeblebrox wrote:
>>
>> For #2, I have seen "pri=<some number> for fstab settings in linux
>> how-to's.
>> Does pri= not work in FreeBSD, or does it not work for ZFS? I mean, why
>> "nope"?
>>
>
> swapon(8), first paragraph:
>
> The swapon, swapoff and swapctl utilities are used to control swap
> devices in the system. At boot time all swap entries in /etc/fstab are
> added automatically when the system goes multi-user. Swap devices use
> a
> fixed interleave; the maximum number of devices is specified by the
> ker-
> nel configuration option NSWAPDEV, which is typically set to 4. There
> is
> no priority mechanism.
> ^^^^^^^^
> ^^^^^^^^^^^^^^^^^^^^^^
>
You could use ccd(4) to concatenate two disks and use that as swap. That
would give the functionality of your 'prio' option.
Ronald.
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