On Mon, 2017-04-24 at 13:28 -0500, Bruce Dubbs wrote: > Alan Feuerbacher wrote: > > Since I'm assembling hardware to get myself a Linux system, I'm thinking > > of getting an SSD device (the older type or the newer M.2 type such as > > Samsung 960 EVO). > > > > I assume that going through the entire LFS installation from square one > > will work with these devices. But are there any downsides to using them, > > as opposed to using exclusively hard drives? Will compiling LFS run > > significantly faster if I install the host Linux system on the SSD? > > > > Years ago I installed a host system (Fedora) on /dev/sda and LFS on > > /dev/sdb with no problems. > > There are really no issues with using an SSD drive with LFS, You may want > to give some options in fstab for mounted partitions. For example: > > /dev/sda4 / ext4 noatime,discard 1 1
I've read that certain SSD don't like discard including some Samsung devices. I've removed this option from new system. See https://forums.freebsd.org/threads/56951/#post-328912 and I'm using a periodic TRIM instead. See https://wiki.archlinux.org/index.php/Solid_State_Drives > > > As for performance, I once did an automated build in a ramdisk. There was > no IO other than to RAM. The total speedup was 8% which is barely > noticeable if at all. LFS is CPU bound. > > -- Bruce > Wayne. -- 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
