Sébastien Stormacq wrote:
> Hellop,
>
> Using SNV_95, I have the impression the swap size is allocated  
> dynamically at boot time depending on available memory.
>   

No, swap space is allocated at install time.
> When booting with 2G memory, I have 2.5 x more swap space than web  
> booting with 1Gb memory.
>
> is this correct ?  If it is, how to tune this process ?
>   

You can change the swap size by adjusting the volume size.
Growing is easy, but if you want to shrink it, then you should
first remove it using something like:
    swap -d /dev/zvol/dsk/rpool/swap
    zfs set volsize=... rpool/swap
    swap -a /dev/zvol/dsk/rpool/swap   [*]

[*] I found a case where this won't work, and a reboot is needed.
Bug coming once I bound the scope...

 -- richard


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