On Fri, Jan 15, 2016 at 5:46 PM, Ken Moffat <[email protected]> wrote: > But people who > have been dipping in to LFS in more recent years have noted a lot of > changes, particularly since 7.0 where the bootscripts were changed.
I had actually not noticed but reviewing my notes I see that it was using BSD-style init back then. Not that I would argue against Svs V, but I am curious to read about how/why the project made the change. Is there a link to a discussion (hopefully not flame war) on the list about it? > I haven't run badblocks in years - can you remind me why you run it > on "spinning rust" but not on SSDs, please ? SSDs use a "wear leveling" feature in the firmware to gradually distribute writes evenly across the NAND cells. Since failure rate is pretty much a direct function of write cycles, the idea is to prevent one small set of cells from being over-written too many times. That's why you can't actually specify a sector or block to write to on an SSD because the firmware intercepts the IO calls and decides where to map a logical IO address to a physical one. SSDs are also typically over-provisioned, so that once cells start to fail, they can be marked as bad and re-mapped by the firmware. So there's basically no point in looking for bad blocks, because the firmware will be handling that. And you can't even check all the blocks on an SSD because again, the over-provisioning hides a lot of extra cells from your view. So in sum, running bad blocks on an SSD will just reduce your cells' expected life by one write cycle! > > 3) prime95 - run for a few hours and make sure nothing catches on fire! > > Is there a Live CD, for that ? I've seen it mentioned in the usual > hardware sites, but only in the context of running under Windows. There isn't a live CD, just a direct download from the website. The source is available but the binary ought to run on an LSB compliant distro. -- http://lists.linuxfromscratch.org/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page Do not top post on this list. A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? http://en.wikipedia.org/wiki/Posting_style
