Hi,
I want to rebuild my pool and I will most likely use 6x Intel S3710 200GB as a striped mirror for the new VM pool.
Right now I'm using 4x S3710 200GB + 1x S3700 200GB as a raidz and got a write amplification from guest to NAND of around factor 20 and I really would like to lower that.
There are several parameters that might influence performance and write amplification that I might think of:
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I want to rebuild my pool and I will most likely use 6x Intel S3710 200GB as a striped mirror for the new VM pool.
Right now I'm using 4x S3710 200GB + 1x S3700 200GB as a raidz and got a write amplification from guest to NAND of around factor 20 and I really would like to lower that.
There are several parameters that might influence performance and write amplification that I might think of:
- ashift of the pool
- atime of the pool on/off
- zfs_txg_timeout of the pool...
Read more