INFO [2024-07-03 08:01:07] Data restoration complete. About to re-install bootloader.
INFO [2024-07-03 08:01:07] Unmounting /tmp/restore-backup-cRo2Wv (force = False)
INFO [2024-07-03 08:01:07] ran ['/bin/umount', '-d', '/tmp/restore-backup-cRo2Wv']; rc 0
...
INFO [2024-07-03 08:01:08] INSTALL FAILED.
INFO [2024-07-03 08:01:08] A fatal exception occurred:
INFO [2024-07-03 08:01:08] Traceback (most recent call last):
File "/opt/xensource/installer/install.py", line 269, in go
restore.restoreFromBackup(backup, progress)
File "/opt/xensource/installer/restore.py", line 212, in restoreFromBackup
branding = util.readKeyValueFile(os.path.join(backup_fs.mount_point, constants.INVENTORY_FILE))
File "/opt/xensource/installer/util.py", line 322, in readKeyValueFile
f = open(filename, "r")
IOError: [Errno 2] No such file or directory: '/tmp/restore-backup-cRo2Wv/etc/xensource-inventory'
In https://github.com/xenserver/host-installer/blob/release/xs8/restore.py#L196-L212 we see
backup_fs
being unmounted and then used, resulting in the crash shown below.Problem was introduced in v10.10.14 with https://github.com/xenserver/host-installer/commit/e9d686ae17bfcad5383f2d89d6bf848c3abd9a3b#diff-2f9ea690c2cdc310e67485fde6a0d74fd91f25e9ac5f5bc6054961b742de74a8R193 (with a commit that does not exist on
master
)