LU-3244 utils: tunefs.lustre should preserve virgin label

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

diff --git a/lustre/utils/mkfs_lustre.c b/lustre/utils/mkfs_lustre.c
index 6d49c56..87ba9b6 100644 (file)
--- a/lustre/utils/mkfs_lustre.c
+++ b/lustre/utils/mkfs_lustre.c
@@ -591,6 +591,16 @@ int main(int argc, char *const argv[])
         }
        mop.mo_ldd.ldd_flags &= ~(LDD_F_WRITECONF | LDD_F_VIRGIN);
 
+       /* svname of the form lustre:OST1234 means never registered */
+       ret = strlen(mop.mo_ldd.ldd_svname);
+       if (mop.mo_ldd.ldd_svname[ret - 8] == ':') {
+               mop.mo_ldd.ldd_svname[ret - 8] = '-';
+               mop.mo_ldd.ldd_flags |= LDD_F_VIRGIN;
+       } else if (mop.mo_ldd.ldd_svname[ret - 8] == '=') {
+               mop.mo_ldd.ldd_svname[ret - 8] = '-';
+               mop.mo_ldd.ldd_flags |= LDD_F_WRITECONF;
+       }
+
         if (strstr(mop.mo_ldd.ldd_params, PARAM_MGSNODE))
             mop.mo_mgs_failnodes++;