Hi, In my setup implemented 10 tow node cluster's which running mysql as cluster service, ipmi card as fencing device.
In my /var/log/messages i am keep getting the errors like below, Jun 14 12:50:48 hostname kernel: end_request: I/O error, dev sdm, sector 0 Jun 14 12:50:48 hostname kernel: sd 3:0:2:2: Device not ready: <6>: Current: sense key: Not Ready Jun 14 12:50:48 hostname kernel: Add. Sense: Logical unit not ready, manual intervention required Jun 14 12:50:48 hostname kernel: Jun 14 12:50:48 hostname kernel: end_request: I/O error, dev sdn, sector 0 Jun 14 12:50:48 hostname kernel: sd 3:0:2:4: Device not ready: <6>: Current: sense key: Not Ready Jun 14 12:50:48 hostname kernel: Add. Sense: Logical unit not ready, manual intervention required Jun 14 12:50:48 hostname kernel: Jun 14 12:50:48 hostname kernel: end_request: I/O error, dev sdp, sector 0 Jun 14 12:51:10 hostname kernel: sd 3:0:0:1: Device not ready: <6>: Current: sense key: Not Ready Jun 14 12:51:10 hostname kernel: Add. Sense: Logical unit not ready, manual intervention required Jun 14 12:51:10 hostname kernel: Jun 14 12:51:10 hostname kernel: end_request: I/O error, dev sdc, sector 0 Jun 14 12:51:10 hostname kernel: printk: 3 messages suppressed. Jun 14 12:51:10 hostname kernel: Buffer I/O error on device sdc, logical block 0 Jun 14 12:51:10 hostname kernel: sd 3:0:0:2: Device not ready: <6>: Current: sense key: Not Ready Jun 14 12:51:10 hostname kernel: Add. Sense: Logical unit not ready, manual intervention required Jun 14 12:51:10 hostname kernel: Jun 14 12:51:10 hostname kernel: end_request: I/O error, dev sdd, sector 0 Jun 14 12:51:10 hostname kernel: Buffer I/O error on device sdd, logical block 0 Jun 14 12:51:10 hostname kernel: sd 3:0:0:4: Device not ready: <6>: Current: sense key: Not Ready Jun 14 12:51:10 hostname kernel: Add. Sense: Logical unit not ready, manual intervention required when i am checking the multipath -ll , this all devices are in passive path. Environment : RHEL 5.4 & EMC SAN Please suggest how to overcome this issue. Support will be highly helpful. Thanks in Advance -- Thanks, BSK
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