Is there a current best practices for use of solid state disks with
Fedora 20? I found an older doc for Fedora 14 and also the Red Hat 6
deployment guide, but both don't have a lot of details.
I have a laptop and am installing a 120G SSD. Also I plan on
updating an old CentOS server with a single 120G SSD (CentOS 5.10).
Some of the recommendations I have found:
- partition on a 1M boundary
- use native partitions, not LVM (for TRIM)
- mount using relatime (or noatime for CentOS 5)
- mount using discard (or use the fstrim program periodically)
- use EXT4
Other recommendations I have seen recommended:
- move some temporary files to tempfs
- move /tmp to RAM: /etc/fstab
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
- change I/O scheduler by adding "elevator=noop" to boot parms
- reduce swappiness: /etc/sysctl.conf
vm.swappiness=1
vm.vfs_cache_pressure=50
Thanks,
--
Wade Hampton
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