Cool and thanks for the tip about root chaining. I wasn't aware of that feature.
Tim On Fri, Dec 3, 2010 at 12:26 PM, Matthew Dillon <[email protected] > wrote: > > :I'm thinking of setting up a 40GB Intel SSD as both the boot drive and > :swapcache. Is this a reasonable thing to do? Are there any gotchas or > :things I need to watch out for as I set this up? I'd like to have /boot > as > :UFS and the rest of / as Hammer (the way the installer does it) and have / > :on a different drive. > : > :Tim > > Perfectly acceptable in my view. I would partition it 700MB for /boot, > 1G reserved for an emergency root, and 32G for swap/swapcache. Leave > ~6G > unused at the end which you never write to ever (if this is a > fresh SSD). > > Another option, another reason why I suggest reserving 1G for an > emergency root, is that Alex has that root chaining feature in the > system now for dealing with encrypted root drives. The concept can > be used whether you encrypt your real root or not. You'd have to > play with it, but I recommend reserving that 1GB for potential future > use for things like that. > > The only real issue with SSD swap/swapcache has to do with excessive > normal paging to swap, which can eat up the SSDs life (i.e. not even > related to 'swapcache' itself, which is rate-limited). /boot itself > has virtually no impact on a SSD since it is only rarely written to. > Even installing a new kernel every few weeks would not have any impact. > > -Matt >
