diff options
Diffstat (limited to 'sbin/geom/class')
| -rw-r--r-- | sbin/geom/class/raid3/geom_raid3.c | 20 | ||||
| -rw-r--r-- | sbin/geom/class/raid3/graid3.8 | 25 |
2 files changed, 39 insertions, 6 deletions
diff --git a/sbin/geom/class/raid3/geom_raid3.c b/sbin/geom/class/raid3/geom_raid3.c index c7120ed..8e507ec 100644 --- a/sbin/geom/class/raid3/geom_raid3.c +++ b/sbin/geom/class/raid3/geom_raid3.c @@ -60,6 +60,8 @@ struct g_command class_commands[] = { { 'n', "noautosync", NULL, G_TYPE_NONE }, { 'r', "round_robin", NULL, G_TYPE_NONE }, { 'R', "noround_robin", NULL, G_TYPE_NONE }, + { 'w', "verify", NULL, G_TYPE_NONE }, + { 'W', "noverify", NULL, G_TYPE_NONE }, G_OPT_SENTINEL } }, @@ -76,6 +78,7 @@ struct g_command class_commands[] = { { 'h', "hardcode", NULL, G_TYPE_NONE }, { 'n', "noautosync", NULL, G_TYPE_NONE }, { 'r', "round_robin", NULL, G_TYPE_NONE }, + { 'w', "verify", NULL, G_TYPE_NONE }, G_OPT_SENTINEL } }, @@ -102,10 +105,10 @@ void usage(const char *comm) { fprintf(stderr, - "usage: %s label [-hnrv] name prov prov prov [prov [...]]\n" + "usage: %s label [-hnrvw] name prov prov prov [prov [...]]\n" " %s clear [-v] prov [prov [...]]\n" " %s dump prov [prov [...]]\n" - " %s configure [-adhnrRv] name\n" + " %s configure [-adhnrRvwW] name\n" " %s rebuild [-v] name prov\n" " %s insert [-hv] <-n number> name prov\n" " %s remove [-v] <-n number> name\n" @@ -144,7 +147,7 @@ raid3_label(struct gctl_req *req) u_char sector[512]; const char *str; char param[16]; - int *hardcode, *nargs, *noautosync, *round_robin; + int *hardcode, *nargs, *noautosync, *round_robin, *verify; int error, i; unsigned sectorsize; off_t mediasize; @@ -195,6 +198,17 @@ raid3_label(struct gctl_req *req) } if (*round_robin) md.md_mflags |= G_RAID3_DEVICE_FLAG_ROUND_ROBIN; + verify = gctl_get_paraml(req, "verify", sizeof(*verify)); + if (verify == NULL) { + gctl_error(req, "No '%s' argument.", "verify"); + return; + } + if (*verify) + md.md_mflags |= G_RAID3_DEVICE_FLAG_VERIFY; + if (*round_robin && *verify) { + gctl_error(req, "Both '%c' and '%c' options given.", 'r', 'w'); + return; + } hardcode = gctl_get_paraml(req, "hardcode", sizeof(*hardcode)); if (hardcode == NULL) { gctl_error(req, "No '%s' argument.", "hardcode"); diff --git a/sbin/geom/class/raid3/graid3.8 b/sbin/geom/class/raid3/graid3.8 index 713f979..47a30f4 100644 --- a/sbin/geom/class/raid3/graid3.8 +++ b/sbin/geom/class/raid3/graid3.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd Aug 20, 2004 +.Dd Aug 22, 2004 .Dt GRAID3 8 .Os .Sh NAME @@ -33,7 +33,7 @@ .Sh SYNOPSIS .Nm .Cm label -.Op Fl hnrv +.Op Fl hnrvw .Ar name .Ar prov .Ar prov @@ -46,7 +46,7 @@ .Op Ar prov Op Ar ... .Nm .Cm configure -.Op Fl adhnrRv +.Op Fl adhnrRvwW .Ar name .Nm .Cm rebuild @@ -112,6 +112,21 @@ Without this option parity component is not used at all for reading operations when device is in complete state. With this option specified random I/O read operations are even 40% faster, but sequential reads are slower. +One cannot not use this options if +.Fl w +option is also specified. +.It Fl w +Use verify reading feature. +When reading from device in complete state, read data also from parity component +and verify the data by comparing XORed regular data with parity data. +If verification fails, +.Er EIO +error is returned and value of sysctl +.Va kern.geom.raid3.parity_mismatch +is increased. +One cannot not use this options if +.Fl r +option is also specified. .El .It Cm clear Clear metadata on the given providers. @@ -132,6 +147,10 @@ Turn off autosynchronization of stale components. Turn on round-robin reading. .It Fl R Turn off round-robin reading. +.It Fl w +Turn on verify reading. +.It Fl W +Turn off verify reading. .El .It Cm rebuild Rebuild the given component forcibly. |
