<div dir="ltr"><div>Applied. </div>Thanks. </div><div class="gmail_extra"> <div class="gmail_quote">On Mon, Jun 30, 2014 at 7:13 AM, Benjamin Marzinski <<a href="mailto:bmarzins@redhat.com" target="_blank">bmarzins@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">The patch adds a "-a" option to multipath, that allows it to add wwids to the /etc/multipath wwids file. Signed-off-by: Benjamin Marzinski <<a href="mailto:bmarzins@redhat.com">bmarzins@redhat.com</a>> --- libmultipath/config.h | 1 + multipath/main.c | 17 +++++++++++++++-- multipath/multipath.8 | 5 ++++- 3 files changed, 20 insertions(+), 3 deletions(-) diff --git a/libmultipath/config.h b/libmultipath/config.h index eb23820..ac7c58e 100644 --- a/libmultipath/config.h +++ b/libmultipath/config.h @@ -30,6 +30,7 @@ enum mpath_cmds { CMD_VALID_PATH, CMD_REMOVE_WWID, CMD_RESET_WWIDS, + CMD_ADD_WWID, }; struct hwentry { diff --git a/multipath/main.c b/multipath/main.c index 54b2a74..157475e 100644 --- a/multipath/main.c +++ b/multipath/main.c @@ -84,7 +84,7 @@ usage (char * progname) { fprintf (stderr, VERSION_STRING); fprintf (stderr, "Usage:\n"); - fprintf (stderr, " %s [-c|-w|-W] [-d] [-r] [-v lvl] [-p pol] [-b fil] [-q] [dev]\n", progname); + fprintf (stderr, " %s [-a|-c|-w|-W] [-d] [-r] [-v lvl] [-p pol] [-b fil] [-q] [dev]\n", progname); fprintf (stderr, " %s -l|-ll|-f [-v lvl] [-b fil] [dev]\n", progname); fprintf (stderr, " %s -F [-v lvl]\n", progname); fprintf (stderr, " %s -t\n", progname); @@ -97,6 +97,7 @@ usage (char * progname) " -ll show multipath topology (maximum info)\n" \ " -f flush a multipath device map\n" \ " -F flush all multipath device maps\n" \ + " -a add a device wwid to the wwids file\n" \ " -c check if a device should be a path in a multipath device\n" \ " -q allow queue_if_no_path when multipathd is not running\n"\ " -d dry run, do not create or update devmaps\n" \ @@ -295,6 +296,15 @@ configure (void) } goto out; } + if (conf->cmd == CMD_ADD_WWID) { + r = remember_wwid(refwwid); + if (r == 0) + printf("wwid '%s' added\n", refwwid); + else + printf("failed adding '%s' to wwids file\n", + refwwid); + goto out; + } condlog(3, "scope limited to %s", refwwid); if (conf->cmd == CMD_VALID_PATH) { if (check_wwids_file(refwwid, 0) == 0){ @@ -435,7 +445,7 @@ main (int argc, char *argv[]) if (load_config(DEFAULT_CONFIGFILE, udev)) exit(1); - while ((arg = getopt(argc, argv, ":dchl::FfM:v:p:b:BrtqwW")) != EOF ) { + while ((arg = getopt(argc, argv, ":adchl::FfM:v:p:b:BrtqwW")) != EOF ) { switch(arg) { case 1: printf("optarg : %s\n",optarg); break; @@ -505,6 +515,9 @@ main (int argc, char *argv[]) case 'W': conf->cmd = CMD_RESET_WWIDS; break; + case 'a': + conf->cmd = CMD_ADD_WWID; + break; case ':': fprintf(stderr, "Missing option argument\n"); usage(argv[0]); diff --git a/multipath/multipath.8 b/multipath/multipath.8 index a2262ac..b6479b1 100644 --- a/multipath/multipath.8 +++ b/multipath/multipath.8 @@ -8,7 +8,7 @@ multipath \- Device mapper target autoconfig .RB [\| \-b\ \c .IR bindings_file \|] .RB [\| \-d \|] -.RB [\| \-h | \-l | \-ll | \-f | \-t | \-F | \-B | \-c | \-q | \|-r | \-w | \-W \|] +.RB [\| \-h | \-l | \-ll | \-f | \-t | \-F | \-B | \-c | \-q | \|-r | \-a | \-w | \-W \|] .RB [\| \-p\ \c .BR failover | multibus | group_by_serial | group_by_prio | group_by_node_name \|] .RB [\| device \|] @@ -68,6 +68,9 @@ check if a block device should be a path in a multipath device .B \-q allow device tables with queue_if_no_path when multipathd is not running .TP +.B \-a +add the wwid for the specified device to the wwids file +.TP .B \-w remove the wwid for the specified device from the wwids file .TP -- 1.8.3.1 </blockquote></div> </div>