X220 and Samsung 830 SSD - slowdown

[blinkingled]

---

thinkfly wrote:

---

Do you mean it's still running as fast as before in other benchmarks, such like AS SSD Benchmark, AIDA64, HDTune etc?

---

I have not tried any other benchmarks but I would be surprised if it fared better in the others as I actually can feel the laptop slow down - boot takes almost as much time as normal HDD, apps launch slower etc.

I ended up calling Samsung and they fortunately said RMA it and we will send a replacement. Now waiting on replacement unit - hopefully it's not the ThinkPad or its BIOS update itself and the new one flies again, otherwise I am in for bag of pain. (My Desktop and other Laptop unfortunately are all SATA-II - so was unsure if trying it there would make sense.)

[d3j452]

Are you checking the perfomance under Windows or Linux?

[blinkingled]

---

d3j452 wrote:

Are you checking the perfomance under Windows or Linux?

---

Both - I got fairly similar results using hdparm -tT --direct under Linux and Crystal Disk Mark under Windows. Samsung's own SSD Magician was caught lying - always shows 500MB/s read and 400MB/s write - however the 1G test doesn't complete in reasonable time!

[d3j452]

For Windows, try ATTO or Crystal Disk Mark.

For Linux, are you using ext4 or ext3? ext4 enables the TRIM function to operate under latest Linux kernels.

Under Windows, have you disabled Indexing and pre-fetch?

On my system;

Crystal Disk Mark returns transfer rates of 363MbS/480Mbs on write/read sequential.

ATTO returns transfer rates of 328Mbs/.549Mbs write/read on sizes up to 8M

[blinkingled]

---

d3j452 wrote:

For Windows, try ATTO or Crystal Disk Mark.

For Linux, are you using ext4 or ext3? ext4 enables the TRIM function to operate under latest Linux kernels.

Under Windows, have you disabled Indexing and pre-fetch?

On my system;

Crystal Disk Mark returns transfer rates of 363MbS/480Mbs on write/read sequential.

ATTO returns transfer rates of 328Mbs/.549Mbs write/read on sizes up to 8M

---

Actually I had excellent performance on both Windows and Linux - it suddenly went bad - as far as I can tell the only change was BIOS update to 1.26.

I use ext4 with 3.1.x kernel - mounted with discard. Also ATA secure erase, firmware update, Samsung SSD Magician's performance tuning etc. nothing worked to bring the speed back - so I guess it's either the BIOS update or the SSD went bad.

[d3j452]

I am running BIOS 1.24.
Maybe that's it!?

[blinkingled]

---

d3j452 wrote:
I am running BIOS 1.24.
Maybe that's it!?

---

Any way to safely roll back to 1.24 from 1.26?

[blinkingled]

---

blinkingled wrote:

---

d3j452 wrote:
I am running BIOS 1.24.
Maybe that's it!?

---

Any way to safely roll back to 1.24 from 1.26?

---

It, for the better, turned out to be the SSD - the replacement is back to 470MB/s. Now going to test it for a while before declaring it good!

[thinkfly]

---

blinkingled wrote:

---

blinkingled wrote:

---

d3j452 wrote:
I am running BIOS 1.24.
Maybe that's it!?

---

Any way to safely roll back to 1.24 from 1.26?

---

It, for the better, turned out to be the SSD - the replacement is back to 470MB/s. Now going to test it for a while before declaring it good!

---

Maybe you should try the 02 firmware (not the 03 firmware)? The 02 firmware is known to be good to recover from the performance loss problem.

[blinkingled]

---

thinkfly wrote:

---

Maybe you should try the 02 firmware (not the 03 firmware)? The 02 firmware is known to be good to recover from the performance loss problem.

---

Yeah fortunately 02 is what the replacement shipped with - am going to keep it and see how it does - looks like there aren't any significant updates with 03 anyway.