-
Bug
-
Resolution: Done-Errata
-
Normal
-
rhel-8.7.0
-
rear-2.6-12.el8
-
None
-
Medium
-
sst_cs_system_management
-
ssg_core_services
-
25
-
26
-
5
-
False
-
-
No
-
None
-
If docs needed, set a value
-
-
All
-
None
Description of problem:
When plugging in a USB multi-card reader (SD / MicroSD) which has no card insert, the device (/dev/sda) has a 0 size.
This leads to layout verification to fail:
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
No partition label type for 'disk /dev/sda' (may cause 'rear recover' failure)
/dev/sda size 0 is not a positive integer
ERROR:
====================
BUG in /root/rear/usr/share/rear/layout/save/default/950_verify_disklayout_file.sh line 254:
'Entries in /root/rear/var/lib/rear/layout/disklayout.conf are broken ('rear recover' would fail)'
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
This happens when AUTOEXCLUDE_DISKS=n (which is not the default).
The root cause is the code snippet in /usr/share/rear/layout/save/GNU/Linux/200_partition_layout.sh, which doesn't skip disks with $devsize == 0 :
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
415 devsize=$(get_disk_size ${disk#/sys/block/})
416 disktype=$(parted -s $devname print | grep -E "Partition Table|Disk label" | cut -d ":" -f "2" | t r -d " ")
:
430 echo "disk $devname $devsize $disktype"
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
This leads to creating entry disk sda 0, which is invalid entry (missing $disktype).
I think the solution is to skip those 0 size disks completely.
Version-Release number of selected component (if applicable):
rear-2.6+
How reproducible:
Always, see above.