Are people getting intel 330's for l2arc and 520's for slog?
Unfortunately, the Intel 520 does *not* power protect it's
on-board volatile cache (unlike the Intel 320/710 SSD).
Intel has an eye-opening technology brief, describing the
benefits of "power-loss data protection" at:
http://www.intel.com/content/www/us/en/solid-state-drives/ssd-320-series-power-loss-data-protection-brief.html
Intel's brief also clears up a prior controversy of what types of
data are actually cached, per the brief it's both user and system
data!
Best regards,
Christopher George
www.ddrdrive.com
*** The Intel 311 (SLC NAND) also fails to support on-board
power protection.
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