X-Git-Url: http://git.efficios.com/?p=test-ssd.git;a=blobdiff_plain;f=test-ssd-write.c;h=5b7c8c4df06f218338d2cd7f96272fbd565fbd09;hp=2bce0fc8f65b3e68046e3194b008f13d040cd498;hb=0c8d2e51959ce92a89cd156fbfde882f041c2e1e;hpb=e3027339976586284af5f5d437104bf5be217cc4

diff --git a/test-ssd-write.c b/test-ssd-write.c
index 2bce0fc..5b7c8c4 100644
--- a/test-ssd-write.c
+++ b/test-ssd-write.c
@@ -8,19 +8,27 @@
  * Compile with:
  * gcc -O2 -Wall -o test-ssd-write test-ssd-write.c
  *
- * Hard disks known to stop responding with this program (requires a
+ * Hard disk setups known to stop responding with this program (requires a
  * warm machine reboot to get the drive to respond, as soft reset is not
  * enough):
  *
- * Vendor         Model          Firmware   Controller     # drives tested
- * Intel (Lenovo) SSDSC2BW180A3L LE1i       SandForce 2281 1
- * Intel (Lenovo) SSDSC2BW180A3L LF1i       SandForce 2281 2
+ * Vendor         Model          Firmware   Controller     # drives tested         HW                 BIOS
+ * Intel (Lenovo) SSDSC2BW180A3L LE1i       SandForce 2281 1 (3.5 Debian kernel)   Lenovo x230        G2ET90WW (2.50) 2012-20-12
+ * Intel (Lenovo) SSDSC2BW180A3L LF1i       SandForce 2281 2 (3.2 Debian kernel)   Lenovo x230        G2ET90WW (2.50) 2012-20-12
+ * Intel (Lenovo) SSDSC2BW180A3L LF1i       SandForce 2281 1 (3.7.9 Arch kernel)   Lenovo x230        G2ET86WW (2.06) 2012-11-13
+ * Intel (Lenovo) SSDSC2BW180A3L LF1i       SandForce 2281 1 (3.2 Debian kernel)   Lenovo x200
  *
- * We ensured that the problem is not coming from other parts by running
- * this test on other SSD drives, which don't show this problem:
+ * In order to narrow down the problem, we ran this test on a number of
+ * other hardware configurations which don't show this problem:
  * 
- * Vendor         Model          Firmware   Controller     # drives tested
+ * Vendor         Model          Firmware   Controller     # drives tested         HW                 BIOS
  * Intel          SSDSA2M160G2GC 2CV102HD   Intel          1
+ * Intel          SSDSA2CW300G310 ???????   Intel          1 (over USB on 3.8 kernel)
+ * Intel          SSDSA2CT040G3  4PC10302   Intel          1 (3.2 kernel)
+ * Intel          SSDSA2CT040G3  4PC10362   Intel          1 (3.2 kernel)
+ * Intel          SSDSC2CT120A3K5 ???????   SandForce 2281 1 (on HP SmartArray P212 with 3.2 kernel)
+ * OCZ            OCZ-VERTEX3        2.25   SF-2281        1 (3.7.9 Arch kernel)
+ * OCZ            OCZSSD2-2VTXE180G  1.37   SF-1200        1 (3.7.6 Arch kernel)
  *
  * Under Linux (Debian, Ubuntu, various kernels), after about 5 minutes,
  * we get this result:
@@ -71,7 +79,7 @@
 #include <string.h>
 
 enum write_mode {
-	WRITE_RANDOM,
+	WRITE_RANDOM = 0,
 	WRITE_ZEROES,
 };
 
@@ -236,17 +244,6 @@ int main(int argc, char **argv)
 	printf("Creating file %s of length %zu, random seed %u\n", argv[1], len,
 		seed);
 
-	if (strcmp(argv[4], "-r") == 0) {
-		printf("Generating random data\n");
-		write_mode = WRITE_RANDOM;
-	} else if (strcmp(argv[4], "-z") == 0) {
-		printf("Filling with zeroes (compressible pattern)\n");
-		write_mode = WRITE_ZEROES;
-	} else {
-		printf("Invalid argument %s\n", argv[4]);
-		exit(EXIT_FAILURE);
-	}
-
 	for (i = 4; i < argc; i++) {
 		if (strcmp(argv[i], "-z") == 0) {
 			write_mode = WRITE_ZEROES;
@@ -255,19 +252,22 @@ int main(int argc, char **argv)
 		}
 	}
 
-	if (verify_mode) {
-		printf("Verification mode activated.\n");
-	}
-
 	switch (write_mode) {
 	case WRITE_RANDOM:
+		printf("Generating random data\n");
+		break;
 	case WRITE_ZEROES:
+		printf("Filling with zeroes (compressible pattern)\n");
 		break;
 	default:
 		printf("Unsupported write-mode\n");
 		exit(EXIT_FAILURE);
 	}
 
+	if (verify_mode) {
+		printf("Verification mode activated.\n");
+	}
+
 	/* Grow file */
 	pos = lseek(fd, len - 1, SEEK_SET);
 	if (pos < 0) {