[Bugs] [Bug 1205709] ls command blocked when one brick disconnect, even reconnect.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1205709

Pranith Kumar K <pkarampu at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |MODIFIED



--- Comment #2 from Pranith Kumar K <pkarampu at redhat.com> ---
With code on master, hang is not observed anymore:
root at pranithk-laptop - ~ 
22:50:28 :) ⚡ glusterd && gluster volume create ec2 disperse 3 redundancy 1
`hostname`:/home/gfs/ec_{0..2} force && gluster volume start ec2 && mount -t
glusterfs `hostname`:/ec2 /mnt/ec2
volume create: ec2: success: please start the volume to access data
volume start: ec2: success

root at pranithk-laptop - ~ 
22:50:44 :) ⚡ cd /mnt/ec2

root at pranithk-laptop - /mnt/ec2 
22:51:50 :) ⚡ for i in {1..10}; do eval "dd of=$i if=/dev/zero bs=1M &"; done
[1] 16673
[2] 16674
[3] 16675
[4] 16676
[5] 16677
[6] 16678
[7] 16679
[8] 16680
[9] 16681
[10] 16682

root at pranithk-laptop - /mnt/ec2 
22:52:48 :) ⚡ /home/pk1/.scripts/gfs -c k -v ec2 -k 0
Dir: /var/lib/glusterd/vols/ec2/run/
kill -9 16511


root at pranithk-laptop - /mnt/ec2 
22:52:53 :) ⚡ ls -l
ls: cannot access 7: Input/output error
ls: cannot access 6: Input/output error
ls: cannot access 10: Input/output error
ls: cannot access 5: Input/output error
ls: cannot access 1: Input/output error
ls: cannot access 3: Input/output error
total 374232
??????????? ? ?    ?           ?            ? 1
??????????? ? ?    ?           ?            ? 10
-rw-r--r--. 1 root root 96468992 May  9 22:52 2
??????????? ? ?    ?           ?            ? 3
-rw-r--r--. 1 root root 99614720 May  9 22:52 4
??????????? ? ?    ?           ?            ? 5
??????????? ? ?    ?           ?            ? 6
??????????? ? ?    ?           ?            ? 7
-rw-r--r--. 1 root root 88997888 May  9 22:52 8
-rw-r--r--. 1 root root 98041856 May  9 22:52 9

root at pranithk-laptop - /mnt/ec2 
22:52:55 :( ⚡ ls -l
ls: cannot access 9: Input/output error
ls: cannot access 4: Input/output error
ls: cannot access 2: Input/output error
ls: cannot access 7: Input/output error
ls: cannot access 6: Input/output error
ls: cannot access 10: Input/output error
ls: cannot access 8: Input/output error
ls: cannot access 1: Input/output error
ls: cannot access 3: Input/output error
total 99328
??????????? ? ?    ?            ?            ? 1
??????????? ? ?    ?            ?            ? 10
??????????? ? ?    ?            ?            ? 2
??????????? ? ?    ?            ?            ? 3
??????????? ? ?    ?            ?            ? 4
-rw-r--r--. 1 root root 101580800 May  9 22:52 5
??????????? ? ?    ?            ?            ? 6
??????????? ? ?    ?            ?            ? 7
??????????? ? ?    ?            ?            ? 8
??????????? ? ?    ?            ?            ? 9

root at pranithk-laptop - /mnt/ec2 
22:52:57 :( ⚡ ls -l
ls: cannot access 9: Input/output error
ls: cannot access 4: Input/output error
ls: cannot access 2: Input/output error
ls: cannot access 7: Input/output error
^[[Als: cannot access 6: Input/output error
ls: cannot access 3: Input/output error
total 436736
-rw-r--r--. 1 root root 112459776 May  9 22:52 1
-rw-r--r--. 1 root root 114163712 May  9 22:52 10
??????????? ? ?    ?            ?            ? 2
??????????? ? ?    ?            ?            ? 3
??????????? ? ?    ?            ?            ? 4
-rw-r--r--. 1 root root 113770496 May  9 22:52 5
??????????? ? ?    ?            ?            ? 6
??????????? ? ?    ?            ?            ? 7
-rw-r--r--. 1 root root 106823680 May  9 22:52 8
??????????? ? ?    ?            ?            ? 9


root at pranithk-laptop - /mnt/ec2 
22:53:06 :( ⚡ ls -l
total 1170176
-rw-r--r--. 1 root root 118882304 May  9 22:53 1
-rw-r--r--. 1 root root 120193024 May  9 22:53 10
-rw-r--r--. 1 root root 121634816 May  9 22:53 2
-rw-r--r--. 1 root root 114163712 May  9 22:53 3
-rw-r--r--. 1 root root 125173760 May  9 22:53 4
-rw-r--r--. 1 root root 120586240 May  9 22:53 5
-rw-r--r--. 1 root root 115343360 May  9 22:53 6
-rw-r--r--. 1 root root 122683392 May  9 22:53 7
-rw-r--r--. 1 root root 111935488 May  9 22:53 8
-rw-r--r--. 1 root root 127664128 May  9 22:53 9

root at pranithk-laptop - /mnt/ec2 
22:53:07 :) ⚡ killall dd
[1]   Terminated              dd of=1 if=/dev/zero bs=1M
[4]   Terminated              dd of=4 if=/dev/zero bs=1M
[5]   Terminated              dd of=5 if=/dev/zero bs=1M
[10]+  Terminated              dd of=10 if=/dev/zero bs=1M

root at pranithk-laptop - /mnt/ec2 
22:53:18 :) ⚡ 
[2]   Terminated              dd of=2 if=/dev/zero bs=1M
[3]   Terminated              dd of=3 if=/dev/zero bs=1M
[6]   Terminated              dd of=6 if=/dev/zero bs=1M
[7]   Terminated              dd of=7 if=/dev/zero bs=1M
[8]-  Terminated              dd of=8 if=/dev/zero bs=1M
[9]+  Terminated              dd of=9 if=/dev/zero bs=1M

root at pranithk-laptop - /mnt/ec2 
22:53:19 :) ⚡

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