LU-13301 lfs: return error when setstripe -o on inactive OSTs

[fs/lustre-release.git] / lustre / utils / liblustreapi.c

diff --git a/lustre/utils/liblustreapi.c b/lustre/utils/liblustreapi.c
index a753dfc..1f1494f 100644 (file)
--- a/lustre/utils/liblustreapi.c
+++ b/lustre/utils/liblustreapi.c
@@ -714,11 +714,15 @@ retry_open:
        }
 
        if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, lum) != 0) {
-               char *errmsg = "stripe already set";
+               char errmsg[512] = "stripe already set";
 
                rc = -errno;
                if (errno != EEXIST && errno != EALREADY)
-                       errmsg = strerror(errno);
+                       strncpy(errmsg, strerror(errno), sizeof(errmsg) - 1);
+               if (rc == -EREMOTEIO)
+                       snprintf(errmsg, sizeof(errmsg),
+                                "inactive OST among your specified %d OST(s)",
+                                param->lsp_stripe_count);
 
                llapi_err_noerrno(LLAPI_MSG_ERROR,
                                  "setstripe error for '%s': %s", name, errmsg);