[dm-devel] Stopped disk causes LVM to go crazy

Alireza Nematollahi alirezan at sfu.ca
Tue Feb 10 23:31:01 UTC 2009


hi guys, 

I have a system with two SATA disks and I have LVM on the disks. 
I use sdparm (sdparm -C stop /dev/sdb) to spin-down one of them. It works fine and I can hear the disk spinning down and all...But when I run any LVM command, say lvscan or whatever, I get lots of error messages: 


	> lvscan 
end_request: I/O error, dev sdb, sector 20971839 
end_request: I/O error, dev sdb, sector 447 
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Input/outend_request: I/O error, dev sdb, sector 21176639 
put error 
/dev/dm-0: read failed after 0 of 4096 at 0: Input/end_request: I/O error, dev sdb, sector 20971967 
output error 
/dev/dm-1: read failed after 0 of 4096 at 104792end_request: I/O error, dev sdb, sector 42148159 
064: Input/output error 
/dev/dm-1: read failed after 0 of 409end_request: I/O error, dev sdb, sector 21176767 
6 at 0: Input/output error 
/dev/dm-2: read failed after 0 of end_request: I/O error, dev sdb, sector 42352959 
4096 at 10737352704: Input/output error 
/dev/dm-2: read faileend_request: I/O error, dev sdb, sector 42148287 
d after 0 of 4096 at 0: Input/output error 
/dev/dm-3: read faend_request: I/O error, dev sdb, sector 63324479 
iled after 0 of 4096 at 104792064: Input/output error 
/dev/dmend_request: I/O error, dev sdb, sector 42353087 
-3: read failed after 0 of 4096 at 0: Input/output error 
/devend_request: I/O error, dev sdb, sector 63529279 
/dm-4: read failed after 0 of 4096 at 10737352704: Input/output end_request: I/O error, dev sdb, sector 63324607 
error 
/dev/dm-4: read failed after 0 of 4096 at 0: Input/outpend_request: I/O error, dev sdb, sector 287274137 
ut error 
/dev/dm-5: read failed after 0 of 4096 at 104792064:end_request: I/O error, dev sdb, sector 287258265 
Input/output error 
/dev/dm-5: read failed after 0 of 4096 atend_request: I/O error, dev sdb, sector 287258029 
0: Input/output error 
/dev/sdb1: read failed after 0 of 512 end_request: I/O error, dev sdb, sector 281410605 
at 8126464: Input/output error 
/dev/sdb1: read failed after 0end_request: I/O error, dev sdb, sector 281410367 
of 2048 at 0: Input/output error 
/dev/sdb2: read failed afteend_request: I/O error, dev sdb, sector 63 
r 0 of 4096 at 2993881088: Input/output error 
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error 
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error 
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output error 
ACTIVE '/dev/blahblah/blah' [10.00 GB] inherit 
ACTIVE '/dev/blahblah/blah' [100.00 MB] inherit 
ACTIVE '/dev/blahblah/blah' [10.00 GB] inherit 
ACTIVE '/dev/blahblah/blah' [100.00 MB] inherit 
ACTIVE '/dev/blahblah/blah' [10.00 GB] inherit 
ACTIVE '/dev/blahblah/blah' [100.00 MB] inherit 
File descriptor 3 left open 
end_request: I/O error, dev sdb, sector 20971839 
end_request: I/O error, dev sdb, sector 447 
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Input/outend_request: I/O error, dev sdb, sector 21176639 
put error 
/dev/dm-0: read failed after 0 of 4096 at 0: Input/end_request: I/O error, dev sdb, sector 20971967 
output error 
/dev/dm-1: read failed after 0 of 4096 at 104792end_request: I/O error, dev sdb, sector 42148159 
064: Input/output error 
/dev/dm-1: read failed after 0 of 409end_request: I/O error, dev sdb, sector 21176767 
6 at 0: Input/output error 
/dev/dm-2: read failed after 0 of end_request: I/O error, dev sdb, sector 42352959 
4096 at 10737352704: Input/output error 
/dev/dm-2: read faileend_request: I/O error, dev sdb, sector 42148287 
d after 0 of 4096 at 0: Input/output error 
/dev/dm-3: read faend_request: I/O error, dev sdb, sector 63324479 
iled after 0 of 4096 at 104792064: Input/output error 
/dev/dmend_request: I/O error, dev sdb, sector 42353087 
-3: read failed after 0 of 4096 at 0: Input/output error 
/devend_request: I/O error, dev sdb, sector 63529279 
/dm-4: read failed after 0 of 4096 at 10737352704: Input/output end_request: I/O error, dev sdb, sector 63324607 
error 
/dev/dm-4: read failed after 0 of 4096 at 0: Input/outpend_request: I/O error, dev sdb, sector 287274137 
ut error 
/dev/dm-5: read failed after 0 of 4096 at 104792064:end_request: I/O error, dev sdb, sector 287258265 
Input/output error 
/dev/dm-5: read failed after 0 of 4096 atend_request: I/O error, dev sdb, sector 287258029 
0: Input/output error 
/dev/sdb1: read failed after 0 of 512 end_request: I/O error, dev sdb, sector 281410605 
at 8126464: Input/output error 
/dev/sdb1: read failed after 0end_request: I/O error, dev sdb, sector 281410367 
of 2048 at 0: Input/output error 
/dev/sdb2: read failed afteend_request: I/O error, dev sdb, sector 63 
r 0 of 4096 at 2993881088: Input/output error 
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error 
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error 
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output erroend_request: I/O error, dev sdb, sector 20971839 
r 
end_request: I/O error, dev sdb, sector 4474zwPa" now active 

/dev/dm-0: read failed after 0 of 4096 at 10737352704: Input/end_request: I/O error, dev sdb, sector 21176639 
output error 
/dev/dm-0: read failed after 0 of 4096 at 0: Inpend_request: I/O error, dev sdb, sector 20971967 
ut/output error 
/dev/dm-1: read failed after 0 of 4096 at 104end_request: I/O error, dev sdb, sector 42148159 
792064: Input/output error 
/dev/dm-1: read failed after 0 of end_request: I/O error, dev sdb, sector 21176767 
4096 at 0: Input/output error 
/dev/dm-2: read failed after 0 end_request: I/O error, dev sdb, sector 42352959 
of 4096 at 10737352704: Input/output error 
/dev/dm-2: read faend_request: I/O error, dev sdb, sector 42148287 
iled after 0 of 4096 at 0: Input/output error 
/dev/dm-3: readend_request: I/O error, dev sdb, sector 63324479 
failed after 0 of 4096 at 104792064: Input/output error 
/devend_request: I/O error, dev sdb, sector 42353087 
/dm-3: read failed after 0 of 4096 at 0: Input/output error 
/end_request: I/O error, dev sdb, sector 63529279 
dev/dm-4: read failed after 0 of 4096 at 10737352704: Input/outpend_request: I/O error, dev sdb, sector 63324607 
ut error 
/dev/dm-4: read failed after 0 of 4096 at 0: Input/oend_request: I/O error, dev sdb, sector 287274137 
utput error 
/dev/dm-5: read failed after 0 of 4096 at 1047920end_request: I/O error, dev sdb, sector 287258265 
64: Input/output error 
/dev/dm-5: read failed after 0 of 4096end_request: I/O error, dev sdb, sector 287258029 
at 0: Input/output error 
/dev/sdb1: read failed after 0 of 5end_request: I/O error, dev sdb, sector 281410605 
12 at 8126464: Input/output error 
/dev/sdb1: read failed afteend_request: I/O error, dev sdb, sector 281410367 
r 0 of 2048 at 0: Input/output error 
/dev/sdb2: read failed aend_request: I/O error, dev sdb, sector 63 
fter 0 of 4096 at 2993881088: Input/output error 
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error 
/dev/sdb4end_request: I/O error, dev sdb, sector 20971839 
: read failed after 0 of 1024 at 144082075648: Input/output erroend_request: I/O error, dev sdb, sector 447 
r 
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output eend_request: I/O error, dev sdb, sector 21176639 
rror 
/dev/dm-0: read failed after 0 of 4096 at 10737352704: Iend_request: I/O error, dev sdb, sector 20971967 
nput/output error 
/dev/dm-0: read failed after 0 of 4096 at 0end_request: I/O error, dev sdb, sector 42148159 
: Input/output error 
/dev/dm-1: read failed after 0 of 4096 aend_request: I/O error, dev sdb, sector 21176767 
t 104792064: Input/output error 
/dev/dm-1: read failed after end_request: I/O error, dev sdb, sector 42352959 
0 of 4096 at 0: Input/output error 
/dev/dm-2: read failed aftend_request: I/O error, dev sdb, sector 42148287 
er 0 of 4096 at 10737352704: Input/output error 
/dev/dm-2: reend_request: I/O error, dev sdb, sector 63324479 
ad failed after 0 of 4096 at 0: Input/output error 
/dev/dm-3:end_request: I/O error, dev sdb, sector 42353087 
read failed after 0 of 4096 at 104792064: Input/output error 
end_request: I/O error, dev sdb, sector 63529279 
/dev/dm-3: read failed after 0 of 4096 at 0: Input/output errorend_request: I/O error, dev sdb, sector 63324607 

/dev/dm-4: read failed after 0 of 4096 at 10737352704: Inputend_request: I/O error, dev sdb, sector 287274137 
/output error 
/dev/dm-4: read failed after 0 of 4096 at 0: Inend_request: I/O error, dev sdb, sector 287258265 
put/output error 
/dev/dm-5: read failed after 0 of 4096 at 10end_request: I/O error, dev sdb, sector 287258029 
4792064: Input/output error 
/dev/dm-5: read failed after 0 ofend_request: I/O error, dev sdb, sector 281410605 
4096 at 0: Input/output error 
/dev/sdb1: read failed after 0end_request: I/O error, dev sdb, sector 281410367 
of 512 at 8126464: Input/output error 
/dev/sdb1: read failedend_request: I/O error, dev sdb, sector 63 
after 0 of 2048 at 0: Input/output error 
/dev/sdb2: read failed after 0 of 4096 at 2993881088: Input/output error 
/dev/sdb2: read failed after 0 of 4096 at 0: Input/output error 
/dev/sdb4: read failed after 0 of 1024 at 144082075648: Input/output error 
/dev/sdb4: read failed after 0 of 2048 at 0: Input/output error Even when I physically remove the disk it still happens. Is there any way I can stop LVM from querying both disks or at least to stop displaying the error messages? 

Thanks 
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