Changes between Version 10 and Version 11 of TipAndDoc/Hardware/Storage

Timestamp:

Nov 8, 2015 2:27:46 AM (8 years ago)

Author:

mitty

Comment:

--

TipAndDoc/Hardware/Storage

@@ -387 +387 @@
        Random            735 IOPS            1.360 ms            4.716 ms   372.963 MB/s
 }}}
+
+ ==== Arch Linux ====
+ * T540p 20BECT01WW
+
+ * Sequential Read
+  * root@archiso ~ # dd if=/dev/sdc of=/dev/null bs=512
+{{{
+500118192+0 records in
+500118192+0 records out
+256060514304 bytes (256 GB) copied, 505.818 s, 506 MB/s
+}}}
+{{{
+dd if=/dev/sdc of=/dev/null bs=512  24.89s user 158.57s system 36% cpu 8:25.82 total
+}}}
+ * Sequential Write (512 byte)
+  * root@archiso ~ # openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt < /dev/zero | dd if=/dev/stdin of=/dev/sdc
+{{{
+dd: writing to ‘/dev/sdc’: No space left on device
+error writing output file
+500118193+0 records in
+500118192+0 records out
+256060514304 bytes (256 GB) copied, 4055.2 s, 63.1 MB/s
+}}}
+{{{
+openssl enc -aes-256-ctr -pass  -nosalt < /dev/zero  128.02s user 140.02s system 6% cpu 1:07:32.77 total
+dd if=/dev/stdin of=/dev/sdc  42.49s user 547.11s system 14% cpu 1:07:35.20 total
+}}}
+ * Sequential Write (4096 byte)
+  * root@archiso ~ # openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)" -nosalt < /dev/zero | dd if=/dev/stdin of=/dev/sdc bs=4096   dd: error writing ‘/dev/sdc’: No space left on device
+{{{
+error writing output file
+62514775+0 records in
+62514774+0 records out
+256060514304 bytes (256 GB) copied, 1060.42 s, 241 MB/s
+}}}
+{{{
+openssl enc -aes-256-ctr -pass  -nosalt < /dev/zero  74.93s user 59.64s system 12% cpu 17:29.75 total
+dd if=/dev/stdin of=/dev/sdc bs=4096  2.40s user 121.63s system 11% cpu 17:40.42 total
+}}}