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Full Discussion: Dmesg errors
Operating Systems Linux Red Hat Dmesg errors Post 302940411 by jegaraman on Sunday 5th of April 2015 02:54:02 AM
Old 04-05-2015
Dmesg errors

Dear All ,

Very recently I find there are a lot of I/O errors in our Red HAt Linux Server.

Pl find the below

Code:
end_request: I/O error, dev sdcp, sector 0
sd 7:0:0:32784: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdn, sector 0
sd 7:0:0:33289: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdo, sector 0
sd 7:0:0:33538: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdae, sector 0
sd 7:0:0:37404: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdau, sector 0
sd 7:0:0:41485: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdbk, sector 0
sd 7:0:0:45056: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdca, sector 0
sd 7:0:0:45824: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdcq, sector 0
sd 7:0:0:45056: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdca, sector 0
sd 7:0:0:33290: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdp, sector 0
sd 7:0:0:33552: SCSI error: return code = 0x00010000


Kindly request you to let me know what to see regarding this.

Thanks and Rgds.,
Rj

Last edited by Don Cragun; 04-05-2015 at 05:58 AM.. Reason: Add CODE tags, again.
 

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PVCK(8) 						      System Manager's Manual							   PVCK(8)

NAME
pvck - check physical volume metadata SYNOPSIS
pvck [-d|--debug] [-h|--help] [-v|--verbose] [--labelsector sector] PhysicalVolume [PhysicalVolume...] DESCRIPTION
pvck checks physical volume LVM metadata for consistency. OPTIONS
See lvm(8) for common options. --labelsector sector By default, 4 sectors of PhysicalVolume are scanned for an LVM label, starting at sector 0. This parameter allows you to specify a different starting sector for the scan and is useful for recovery situations. For example, suppose the partition table is corrupted or lost on /dev/sda, but you suspect there was an LVM partition at approximately 100 MiB. This area of the disk may be scanned by using the --labelsector parameter with a value of 204800 (100 * 1024 * 1024 / 512 = 204800): pvck --labelsector 204800 /dev/sda Note that a script can be used with --labelsector to automate the process of finding LVM labels. SEE ALSO
lvm(8), pvcreate(8), pvscan(8) vgck(8) Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) PVCK(8)
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