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This review is from: ICY DOCK MB154SP-B 4 in 3 SATA 6Gbps Hot-Swap Hard Drive Backplane Raid Cage Module
Pros: Disks are easy to install.
Fans have warning led's and beepers if they stop working.
Cons: Did not supply enough screws for all disks, not a major issue since I have screws.
Other Thoughts: I have bought 3 of these over 3+ years and all of them are still working, including the fans on even the oldest one.
You can see improvements over the earliest model I have to the latest model, but even the oldest ones still work good.
Pros: works fast except for some issues under linux.
Cons: On linux under heavy load it can freak out (mdadm raid5/6 builds/checks)...usually if smart commands are being run that makes it rather unstable...to test suggest putting several disks under heavy load and running constant smartctl commands in linux will cause the controller to freak out and drop *ALL* disks connected to it, it will require a reboot to get things back...if it did not have this issue the controller would be great.
I have disabled smart and it mostly works...but still if the disk has any error the controller has a habit of freaking out and dropping all disks (even without smart commands running). The error that happens with smart appears to be the same error as this.
Pros: At least it failed immediately...
And I at least put it in a test machine to test before putting it on my machine with live data...the way it died it probably would have crashed it by locking up the SATA bush.
Cons: Never even fully spun up...Seatools software short test failed immediately with an error.
Other Thoughts: Never buying Seagate again...there is no way the other HD makers can actually be any worse...I have bought 8 disks (6-1.5TB/2-3TB) from Seagate in the last 3.5 years, 2 were immediate DOA's (and had to be RMA'ed), 4 additional of the 3 year old 6-1.5tb had to be RMA'ed before the 3 year warranty ran out.READ FULL REVIEW