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-rw-r--r--cmd/zinject/translate.c15
-rw-r--r--cmd/zinject/zinject.c37
2 files changed, 41 insertions, 11 deletions
diff --git a/cmd/zinject/translate.c b/cmd/zinject/translate.c
index 160786641..fc1612738 100644
--- a/cmd/zinject/translate.c
+++ b/cmd/zinject/translate.c
@@ -20,6 +20,7 @@
*/
/*
* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
#include <libzfs.h>
@@ -476,6 +477,20 @@ translate_device(const char *pool, const char *device, err_type_t label_type,
&record->zi_guid) == 0);
}
+ /*
+ * Device faults can take on three different forms:
+ * 1). delayed or hanging I/O
+ * 2). zfs label faults
+ * 3). generic disk faults
+ */
+ if (record->zi_timer != 0) {
+ record->zi_cmd = ZINJECT_DELAY_IO;
+ } else if (label_type != TYPE_INVAL) {
+ record->zi_cmd = ZINJECT_LABEL_FAULT;
+ } else {
+ record->zi_cmd = ZINJECT_DEVICE_FAULT;
+ }
+
switch (label_type) {
default:
break;
diff --git a/cmd/zinject/zinject.c b/cmd/zinject/zinject.c
index d584eadd8..9ae3f9ddc 100644
--- a/cmd/zinject/zinject.c
+++ b/cmd/zinject/zinject.c
@@ -20,6 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
/*
@@ -235,8 +236,8 @@ usage(void)
"\t\t'pad1', or 'pad2'.\n"
"\t\t'errno' can be 'nxio' (the default), 'io', or 'dtl'.\n"
"\n"
- "\tzinject -d device -A <degrade|fault> pool\n"
- "\t\tPerform a specific action on a particular device\n"
+ "\tzinject -d device -A <degrade|fault> -D <delay secs> pool\n"
+ "\t\tPerform a specific action on a particular device.\n"
"\n"
"\tzinject -I [-s <seconds> | -g <txgs>] pool\n"
"\t\tCause the pool to stop writing blocks yet not\n"
@@ -589,7 +590,7 @@ main(int argc, char **argv)
}
while ((c = getopt(argc, argv,
- ":aA:b:d:f:Fg:qhIc:t:T:l:mr:s:e:uL:p:")) != -1) {
+ ":aA:b:d:D:f:Fg:qhIc:t:T:l:mr:s:e:uL:p:")) != -1) {
switch (c) {
case 'a':
flags |= ZINJECT_FLUSH_ARC;
@@ -615,6 +616,16 @@ main(int argc, char **argv)
case 'd':
device = optarg;
break;
+ case 'D':
+ errno = 0;
+ record.zi_timer = strtoull(optarg, &end, 10);
+ if (errno != 0 || *end != '\0') {
+ (void) fprintf(stderr, "invalid i/o delay "
+ "value: '%s'\n", optarg);
+ usage();
+ return (1);
+ }
+ break;
case 'e':
if (strcasecmp(optarg, "io") == 0) {
error = EIO;
@@ -679,6 +690,7 @@ main(int argc, char **argv)
case 'p':
(void) strlcpy(record.zi_func, optarg,
sizeof (record.zi_func));
+ record.zi_cmd = ZINJECT_PANIC;
break;
case 'q':
quiet = 1;
@@ -762,13 +774,15 @@ main(int argc, char **argv)
return (1);
}
+ if (record.zi_duration != 0)
+ record.zi_cmd = ZINJECT_IGNORED_WRITES;
+
if (cancel != NULL) {
/*
* '-c' is invalid with any other options.
*/
if (raw != NULL || range != NULL || type != TYPE_INVAL ||
- level != 0 || record.zi_func[0] != '\0' ||
- record.zi_duration != 0) {
+ level != 0 || record.zi_cmd != ZINJECT_UNINITIALIZED) {
(void) fprintf(stderr, "cancel (-c) incompatible with "
"any other options\n");
usage();
@@ -800,8 +814,7 @@ main(int argc, char **argv)
* for doing injection, so handle it separately here.
*/
if (raw != NULL || range != NULL || type != TYPE_INVAL ||
- level != 0 || record.zi_func[0] != '\0' ||
- record.zi_duration != 0) {
+ level != 0 || record.zi_cmd != ZINJECT_UNINITIALIZED) {
(void) fprintf(stderr, "device (-d) incompatible with "
"data error injection\n");
usage();
@@ -835,7 +848,7 @@ main(int argc, char **argv)
} else if (raw != NULL) {
if (range != NULL || type != TYPE_INVAL || level != 0 ||
- record.zi_func[0] != '\0' || record.zi_duration != 0) {
+ record.zi_cmd != ZINJECT_UNINITIALIZED) {
(void) fprintf(stderr, "raw (-b) format with "
"any other options\n");
usage();
@@ -858,13 +871,14 @@ main(int argc, char **argv)
return (1);
}
+ record.zi_cmd = ZINJECT_DATA_FAULT;
if (translate_raw(raw, &record) != 0)
return (1);
if (!error)
error = EIO;
- } else if (record.zi_func[0] != '\0') {
+ } else if (record.zi_cmd == ZINJECT_PANIC) {
if (raw != NULL || range != NULL || type != TYPE_INVAL ||
- level != 0 || device != NULL || record.zi_duration != 0) {
+ level != 0 || device != NULL) {
(void) fprintf(stderr, "panic (-p) incompatible with "
"other options\n");
usage();
@@ -882,7 +896,7 @@ main(int argc, char **argv)
if (argv[1] != NULL)
record.zi_type = atoi(argv[1]);
dataset[0] = '\0';
- } else if (record.zi_duration != 0) {
+ } else if (record.zi_cmd == ZINJECT_IGNORED_WRITES) {
if (nowrites == 0) {
(void) fprintf(stderr, "-s or -g meaningless "
"without -I (ignore writes)\n");
@@ -936,6 +950,7 @@ main(int argc, char **argv)
return (1);
}
+ record.zi_cmd = ZINJECT_DATA_FAULT;
if (translate_record(type, argv[0], range, level, &record, pool,
dataset) != 0)
return (1);