[zfs-discuss] Re: Fragmentation vs traditional linux FS and ZFS as a datastore for SQL db's
gordan.bobic at gmail.com
Sat Jan 18 10:27:16 EST 2014
On 01/18/2014 03:10 PM, Richard Yao wrote:
> In summary, doing a secure erase followed by manual partitioning that
> leaves 25% of the disk unused will substantially improve performance
> consistency. If you do this (which requires manual partitioning), keep
> in mind that ZFS will not set the IO elevator used to noop, which should
> be optimal for it, so you will need to set that manually.
Setting a HPA is probably a better way to reserve space WRT flash
management than manual partitioning.
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