When enabling the disk cache without further tuning looks like asking for troubles:
0egp8 wrote on http://userpart.com/webhost/showthread.php?t=1223799&page=6
Did some testing with the disk cache enabled. Enabling the disk cache makes SSDs drop from the array under load. Happened in two...
Thanks for sharing the direct link with us!
Here is the list of changes in MR5.7:
Bug Fixes and Enhancements:
===========================
FIRMWARE:
**NOTE: Full native 4K sector Firmware support is deferred to MegaRAID Release 5.8 targeted for September 2013.
SCGCQ00414056 - (Closed) -...
Looks like LSI is planning to publish firmware MR 5.7 for MegaRAID SAS 9271-8i:
MegaRAID SAS 9271-8i
The MegaRAID MR 5.7 firmware will be posted shortly, please check back on this site for updates
I've bought a LSI raid card purely because LSI advertises that their cards are perfect for SSD. But with this card I can't enable disk cache. The option is grayed out and showing "unchanged".
Controller: LSI MegaRAID SAS 9271-8i with firmware: 23.12.0-0013, 3.240.25-2382
SSD's: 8x Samsung 840...
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