diff options
Diffstat (limited to 'Grow.c')
| -rw-r--r-- | Grow.c | 20 |
1 files changed, 16 insertions, 4 deletions
@@ -1727,11 +1727,23 @@ int Grow_restart(struct supertype *st, struct mdinfo *info, int *fdlist, int cnt continue; /* Wrong uuid */ } - if (info->array.utime > __le64_to_cpu(bsb.mtime) + 10*60 || + /* array utime and backup-mtime should be updated at much the same time, but it seems that + * sometimes they aren't... So allow considerable flexability in matching, and allow + * this test to be overridden by an environment variable. + */ + if (info->array.utime > __le64_to_cpu(bsb.mtime) + 2*60*60 || info->array.utime < __le64_to_cpu(bsb.mtime) - 10*60) { - if (verbose) - fprintf(stderr, Name ": too-old timestamp on backup-metadata on %s\n", devname); - continue; /* time stamp is too bad */ + if (check_env("MDADM_GROW_ALLOW_OLD")) { + fprintf(stderr, Name ": accepting backup with timestamp %lu " + "for array with timestamp %lu\n", + (unsigned long)__le64_to_cpu(bsb.mtime), + (unsigned long)info->array.utime); + } else { + if (verbose) + fprintf(stderr, Name ": too-old timestamp on " + "backup-metadata on %s\n", devname); + continue; /* time stamp is too bad */ + } } if (bsb.magic[15] == '1') { |