On 12/21/2013 5:18 AM, Stan Hoeppner wrote: ... > For example, I assisted a user with 5x Intel SSDs back in January and > his system required 4096, or 80MB of RAM for stripe cache, to reach > maximum write throughput of the devices. This yielded 600MB/s or 60% > greater throughput than 2048, or 40MB RAM for cache. In his case 60MB > more RAM than the default was well worth the increase as the machine was > an iSCSI target server with 8GB RAM. Correction here. I said above that 80MB was 60MB greater than the default for his 5 drives. This should have said 75MB greater than the default which is 1MB per member device, or 5MB for 5 drives. -- Stan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
