Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
One should always use an SSD with power loss protection for a ZFS log device or it defeats the device's fundamental purpose. That is, provide stable storage for the ZIL in case of host failure (crash/power loss). All SSDs have some amount of volatile memory on-board, either as a dedicated...
Supnaut,
Are the ZeusRAMs attached to the same LSI 9207 HBA(s) used by the pool SSDs? Have you tried a dedicated HBA/chassis for the log devices (ZIL)?
Log device/pool IO contention can be a serious performance bottleneck.
Christopher George
www.ddrdrive.com
Your correct, a log device (ZIL) must power protect all on-board volatile caches and the DDRdrive X1 does using either a SuperCap PowerPack or small external UPS.
As far as comparing to a Flash based SSD, my OpenStorage Summit 2011 presentation might be of interest...