We have systems setup using geom based mirroring where the drives are
partitioned into three slices, one for the OS, one for the swap
partition, and one for our application data. We have four hot-swappable
SATA drives per system. At present we only have the OS slice mirrored
with geom, and our own
On Jan 14, 2009, at 8:04 AM, Peter Steele wrote:
We have been debating whether or we should mirror the swap
partitions as
well. I set it up not mirrored based on some articles I read on the
net,
but we're concerned what might happen to a system if a drive died at a
time when the its swap
If you don't mirror swap space, and a drive goes out, you're almost
certain to experience a kernel panic and not just application failures
in userland. Unless you have an urgent need for lots of swap space
available, it's much better from the standpoint of system reliability
to mirror
