LU-13030 pcc: auto attach not work after client cache clear

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

diff --git a/lustre/utils/lfs.c b/lustre/utils/lfs.c
index 079d2a0..c96afdf 100644 (file)
--- a/lustre/utils/lfs.c
+++ b/lustre/utils/lfs.c
@@ -10712,6 +10712,11 @@ static int lfs_pcc_attach(int argc, char **argv)
                }
        }
 
+       if (archive_id == 0) {
+               fprintf(stderr, "%s: must specify attach ID\n", argv[0]);
+               return CMD_HELP;
+       }
+
        if (argc <= optind) {
                fprintf(stderr, "%s: must specify one or more file names\n",
                        argv[0]);