On Wed, Jul 21, 2010 at 12:42 PM, Orvar Korvar < knatte_fnatte_tja...@yahoo.com> wrote:
> Are there any drawbacks to partition a SSD in two parts and use L2ARC on > one partition, and ZIL on the other? Any thoughts? > -- > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > It's not going to be as good as having separate but i can tell you that i did this on my home system and it was WELL worth it. I used one of the sandforce 1500 based SSD's 50 gb i used 9 gb for ZIL, and the rest for L2ARC. adding the zil gave me about 400-500% nfs write performance. Seeing as you can't ever use more than half your ram for ZIL anyways, the only real downside to doing this is that i/o becomes split between zil and L2arc but realistically it depends on your workload....for mine, i noticed a HUGE benefit from doing this.
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