On 29/01/2017 06:43, Aristedes Maniatis wrote:
On 29/1/17 3:50pm, Warner Losh wrote:
(2) shrinking a swap partition to snag
some space
Yes, except I put my swap into a zvol. I did this when I lost a disk once with
a dedicated swap partition and that caused the system to crash. So I realised
that dedicated swap was a really bad idea and I needed to choose between zvol
and gmirror. I chose zvol to avoid having one more thing to check and worry
about.
Swapping to ZVOLs is dangerous. Writes to a ZVOL may require kernel
memory allocations to finish. This can deadlock/panic your system if the
write was to a swap device. I would recommend using GEOM mirror for swap
devices.
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