2012/5/24 Gerry Reno <[email protected]>
>
> What does Fedora do currently, if anything, to optimize for solid-state
> drives (SSD).
>
> Things like swap and logging can generate a huge number of writes. So I
> suppose those should maybe be placed on a
> rotating drive if one is available but if not does Fedora do anything to
> reduce the amount of writes? Or is everything
> related to SSD the responsibility of the user?
>
Apart from correctly aligning the partitions, I think there are no
more optimizations done by Fedora.
I use a SSD and to get the best performance I use ext4 directly on the
partitions, without LVM, Luks, RAID, etc. Also, here are a few tips:
- Mount options:
noatime to reduce writes.
discard if your unit supports TRIM
- Change the default scheduler:
I created /etc/rc.d/rc.local with:
#!/bin/bash
/bin/echo noop > /sys/block/sda/queue/scheduler
- Disable the readahead service:
systemctl disable systemd-readahead-collect.service
systemctl disable systemd-readahead-replay.service
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