[PVE-User] Critical medium error

Gilberto Nunes gilberto.nunes32 at gmail.com
Wed Dec 7 17:03:01 CET 2016


Hi list

I get this issue from an external USB hard disk:

raps: atop[87646] trap divide error ip:40780a sp:7fff3074a928 error:0 in
atop[400000+26000]
[8244487.641127] sd 988:0:0:0: [sdf] tag#0 FAILED Result: hostbyte=DID_OK
driverbyte=DRIVER_SENSE
[8244487.641130] sd 988:0:0:0: [sdf] tag#0 Sense Key : Medium Error
[current]
[8244487.641132] sd 988:0:0:0: [sdf] tag#0 Add. Sense: Unrecovered read
error
[8244487.641135] sd 988:0:0:0: [sdf] tag#0 CDB: Read(16) 88 00 00 00 00 00
58 06 50 a0 00 00 00 20 00 00
[8244487.641136] blk_update_request: critical medium error, dev sdf, sector
1476808864
[8244518.664247] usb 2-1.2: reset high-speed USB device number 102 using
ehci-pci
[8260518.890913] sd 988:0:0:0: [sdf] Very big device. Trying to use READ
CAPACITY(16).


As consequence I get a extremely  slow vm access.

So I detect that this External Driver has some problem. After disconnect
this External Driver, everything is go smoothly...

Is that right??? An external driver could be the cause of this slow access?

Anybody has some experience with this???

Thanks a lot



-- 

Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36


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