Problem: While running a backup to a mounted iscsi device, iscsid gets
a "conn error (1011)", and my drive starts getting input/output
errors.
Details:
Kernel Version: 2.6.23.17-88.fc7PAE
Distribution: Fedora core 7
open-iscsi version: 2.0-871
ISCSI Target Device: Promise Vtrak M610i
backup program: BackupPC (uses rsync)
my linux box and target are both plugged into a Netgear 516T Switch
(1000 baseT, 16 port, unmanaged)
When I log into the target after this happens, i notice that there are
no active iscsi sessions
However, when i run
iscsiadm -m session, it lists the active session
tcp: [2] TAR.GET.IP.ADR:3260,1 reserve.vtrak
I can log out with
iscsiadm -m node -U manual
but i cannot log in after that or even discover the target device
unless i reboot that device
sample from my /var/log/messages:
Aug 22 23:56:02 bold kernel: connection12:0: detected conn error
(1011)
Aug 22 23:56:03 bold iscsid: Kernel reported iSCSI connection 12:0
error (1011)
state (3)
Aug 22 23:56:06 bold iscsid: connect to 142.20.199.117:3260 failed
(Connection r
efused)
Aug 22 23:56:39 bold last message repeated 9 times
Aug 22 23:57:43 bold last message repeated 17 times
Aug 22 23:58:43 bold last message repeated 16 times
Aug 22 23:58:47 bold iscsid:
Aug 22 23:58:47 bold iscsid: connect to 142.20.199.117:3260 failed
(Connection r
efused)
Aug 22 23:59:21 bold last message repeated 9 times
Aug 23 00:00:24 bold last message repeated 17 times
Aug 23 00:01:02 bold last message repeated 10 times
Aug 23 00:01:02 bold kernel: session12: session recovery timed out
after 300 se
cs
Aug 23 00:01:02 bold kernel: sd 18:0:0:0: [sdd] Result:
hostbyte=DID_NO_CONNECT
driverbyte=DRIVER_OK,SUGGEST_OK
Aug 23 00:01:02 bold kernel: end_request: I/O error, dev sdd, sector
7141111779
Aug 23 00:01:02 bold kernel: sd 18:0:0:0: [sdd] Result:
hostbyte=DID_NO_CONNECT
driverbyte=DRIVER_OK,SUGGEST_OK
Aug 23 00:01:02 bold kernel: end_request: I/O error, dev sdd, sector
6591795491
....
Aug 23 00:01:02 bold kernel: I/O error in filesystem ("sdd1") meta-
data dev sdd1
block 0x4091c90 ("xfs_trans_read_buf") error 5 buf count 4096
....
Aug 23 00:01:02 bold kernel: sd 18:0:0:0: [sdd] Result:
hostbyte=DID_NO_CONNECT
driverbyte=DRIVER_OK,SUGGEST_OK
Aug 23 00:01:02 bold kernel: end_request: I/O error, dev sdd, sector
6042486114
Aug 23 00:01:02 bold kernel: Device sdd1, XFS metadata write error
block 0x1a9a4
b7c1 in sdd1
Aug 23 00:01:02 bold kernel: I/O error in filesystem ("sdd1") meta-
data dev sdd1
block 0x20be08de9 ("xlog_iodone") error 5 buf count 31744
Aug 23 00:01:02 bold kernel: xfs_force_shutdown(sdd1,0x2) called from
line 958 o
f file fs/xfs/xfs_log.c. Return address = 0xf92bd608
Aug 23 00:01:02 bold kernel: Filesystem "sdd1": Log I/O Error
Detected. Shuttin
g down filesystem: sdd1
Aug 23 00:01:02 bold kernel: Please umount the filesystem, and rectify
the probl
em(s)
I'm trying to figure out the source of this problem... anyone have any
ideas?
different open-iscsi version? different linux kernel? different
switch?
Or if someone can at least tell me what ""kernel: connection12:0:
detected conn error (1011)" means, so that the device vendor can try
to debug on their side.
Thanks so much for any advice.
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