Since all systems I've used didn't trigger it I wondered how common this
case is.
Could you run it like:
sudo bash -x /usr/bin/rescan-scsi-bus.sh -i
That should show you which devices are the ones triggering it for you.
Before the error there is a call to
sg_turs /dev/$SGDEV >/dev/null 2>&1
That should have some odd RC codes that lead to the issue.
I was fetching a system with actual LUNs and then executed the new and old
version.
New
...
+ SGDEV=sg19
+ test -z sg19
+ sg_turs /dev/sg19
+ RC=0
+ test 0 = 2 -o 0 = 6
+ test 0 '!=' 0
+ test 0 = 1
+ RC=0
++ sg_inq --len=36 /dev/sg19
...
New:
Scanning for device 1 0 1 1076117540 ...
OLD: Host: scsi1 Channel: 00 Id: 01 Lun: 1076117540
Vendor: IBM Model: 2107900 Rev: 2700
Type: Direct-Access ANSI SCSI revision: 05
0 new or changed device(s) found.
0 remapped or resized device(s) found.
0 device(s) removed.
old:
...
Type: Direct-Access ANSI SCSI revision: 05
./rescan-scsi-bus.sh: line 257: test: !=: unary operator expected
Scanning for device 1 0 1 1076117540 ...
OLD: Host: scsi1 Channel: 00 Id: 01 Lun: 1076117540
Vendor: IBM Model: 2107900 Rev: 2700
Type: Direct-Access ANSI SCSI revision: 05
./rescan-scsi-bus.sh: line 257: test: !=: unary operator expected
0 new or changed device(s) found.
0 remapped or resized device(s) found.
0 device(s) removed.
So, yes it throws some errors in between the output. But it is already fixed in
later versions (no todo there) and isn't a functional issue.
IMHO thereby it is of low priority - which does not stop anyone from
preparing and providing an upload, just that it likely will wait way
back in the queue.
** Changed in: sg3-utils (Ubuntu Bionic)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1913729
Title:
/usr/bin/rescan-scsi-bus.sh: line 245: test: -le: unary operator
expected
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