[no subject]

[Mario Salcedo]

Hi, a question. I have a System Storage DS300. I have configured all ok,
this work ok, I test all posible fails on the DS300 and all ok. But when I
did the test on the server I have a error. When I desconect and conect the
cable in the NIC that use to conecting the DS300 I have a error because the
the server and DS300 dont conecting for a time, and I can not write on the
disk on the DS300.
I solved this problem, unmounting the disks of the DS300, restart the
service iscsi, and mounting again the disks of the DS300.
My questions is: Is that normal in the server? I think this is not normal,
the server should work ok. What can I do?
Thanks

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error when server detect target

[Mario Salcedo]

Hi, anybody know what is this problem. I Have a IBM DS3300 and Centos
5.4. I have that in the logs


Dec 18 17:41:32 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:32 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:33 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:33 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:33 kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:33 kernel: Buffer I/O error on device sde, logical block 0
Dec 18 17:41:34 kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:34 kernel: Buffer I/O error on device sde, logical block 0
Dec 18 17:41:35 kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:35 kernel: Buffer I/O error on device sde, logical block 0
Dec 18 17:41:35 kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:35 kernel: Buffer I/O error on device sde, logical block 0
Dec 18 17:41:35 udevd-event[2555]: wait_for_sysfs: waiting for
'/sys/devices/platform/host1/session1/target1:0:0/1:0:0:0/ioerr_cnt'
failed
Dec 18 17:41:36 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:36 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:36 polisespejo kernel: Dev sde: unable to read RDB block 0
Dec 18 17:41:36 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:36 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:37 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:37 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:37 polisespejo kernel:  unable to read partition table
Dec 18 17:41:37 polisespejo kernel: sd 1:0:0:0: Attached scsi disk sde
Dec 18 17:41:37 polisespejo kernel: sd 1:0:0:0: Attached scsi generic sg7 type 0
Dec 18 17:41:37 polisespejo kernel:   Vendor: IBM   Model:
Universal Xport   Rev: 0250
Dec 18 17:41:37 polisespejo kernel:   Type:   Direct-Access
  ANSI SCSI revision: 05
Dec 18 17:41:37 polisespejo kernel: scsi 1:0:0:31: Attached scsi
generic sg8 type 0



Dec 18 17:41:37 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218112
Dec 18 17:41:37 polisespejo kernel: Buffer I/O error on device sde,
logical block 511777264
Dec 18 17:41:38 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218112
Dec 18 17:41:38 polisespejo kernel: Buffer I/O error on device sde,
logical block 511777264
Dec 18 17:41:38 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218232
Dec 18 17:41:41 polisespejo last message repeated 5 times
Dec 18 17:41:41 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218176
Dec 18 17:41:42 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218224
Dec 18 17:41:42 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218232
Dec 18 17:41:42 polisespejo kernel: printk: 8 messages suppressed.
Dec 18 17:41:42 polisespejo kernel: Buffer I/O error on device sde,
logical block 511777279
Dec 18 17:41:43 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218232
Dec 18 17:41:44 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:48 polisespejo last message repeated 8 times
Dec 18 17:41:48 polisespejo kernel: printk: 9 messages suppressed.
Dec 18 17:41:48 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:48 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:53 polisespejo last message repeated 8 times
Dec 18 17:41:53 polisespejo kernel: printk: 8 messages suppressed.
Dec 18 17:41:53 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:41:53 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:41:58 polisespejo last message repeated 9 times
Dec 18 17:41:58 polisespejo kernel: printk: 9 messages suppressed.
Dec 18 17:41:58 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:43:33 polisespejo rpc.statd[2705]: Version 1.0.9 Starting
Dec 18 17:43:33 polisespejo rpc.statd[2705]: gethostbyname error for polisespejo
Dec 18 17:43:33 polisespejo rpc.statd[2705]: unable to register (statd, 1, udp).
Dec 18 17:43:34 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:43:34 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:43:34 polisespejo kernel: Buffer I/O error on device sde,
logical block 1
Dec 18 17:43:34 polisespejo kernel: Buffer I/O error on device sde,
logical block 2
Dec 18 17:43:34 polisespejo kernel: Buffer I/O error on device sde,
logical block 3
Dec 18 17:43:35 polisespejo kernel: end_request: I/O error, dev sde, sector 0
Dec 18 17:43:35 polisespejo kernel: Buffer I/O error on device sde,
logical block 0
Dec 18 17:43:35 polisespejo kernel: end_request: I/O error, dev sde,
sector 4094218112
Dec 18 17:43:36 polisespejo kernel: end_request: I/O error, dev sde,