ADSM-L

[ADSM-L] I/O error - excessive read errors encountered

2011-01-31 12:29:59
Subject: [ADSM-L] I/O error - excessive read errors encountered
From: molin gregory <gregory.molin AT AFNOR DOT ORG>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 31 Jan 2011 18:27:54 +0100
Hello everyone,

I meet a lot of I/O errors for the disk storage on my TSM server.
These errors prevent migration, move and space reclaim
Has anyone experienced the same kind of problem ?

All volumes on both SAS_BACK_P and VTL_BACK_P was newly created.


SAS_BACK_P      DISK                307 G       0.0       0.0      100      99  
   VTL_BACK_P
VTL_BACK_P      VTL              10,716 G      46.8      46.8       95      90  
   LTO_BACK_P


01/31/2011 12:51:14      ANR8555E An error (5, ) occurred during a read 
operation
                          from disk /tsm/sas/1/sas01.dsm.

01/31/2011 15:32:29      ANR1083E Space reclamation is ended for volume
                          /tsm/sas/2/back2061.dsm. Excessive read errors were
                          encountered. (SESSION: 2091, PROCESS: 169)

01/31/2011 16:05:58      ANR1146W Move data process terminated for volume
                          /tsm/sas/2/back2055.dsm - excessive read errors
                          encountered. (SESSION: 2091, PROCESS: 250)

The /var/log/messages

Jan 31 12:51:11 courge kernel: sd 2:0:0:0: SCSI error: return code = 0x00070000
Jan 31 12:51:11 courge kernel: end_request: I/O error, dev sda, sector 
3142140026
Jan 31 12:51:11 courge kernel: sd 2:0:0:0: SCSI error: return code = 0x00070000
Jan 31 12:51:11 courge kernel: end_request: I/O error, dev sda, sector 
3103215898
Jan 31 12:51:11 courge kernel: sd 2:0:0:1: SCSI error: return code = 0x00070000
Jan 31 12:51:11 courge kernel: end_request: I/O error, dev sdb, sector 
4116825010
Jan 31 12:51:12 courge kernel: sd 2:0:0:1: SCSI error: return code = 0x00070000
Jan 31 12:51:12 courge kernel: end_request: I/O error, dev sdb, sector 
4116822962
Jan 31 12:51:12 courge kernel: sd 2:0:0:1: SCSI error: return code = 0x00070000

Jan 31 15:32:27 courge kernel: sd 2:0:0:1: SCSI error: return code = 0x00070000
Jan 31 15:32:27 courge kernel: end_request: I/O error, dev sdb, sector 
4387960770
Jan 31 15:32:29 courge kernel: sd 2:0:0:1: SCSI error: return code = 0x00070000
Jan 31 15:32:29 courge kernel: end_request: I/O error, dev sdb, sector 
1667104026

Jan 31 16:05:58 courge kernel: sd 2:0:0:1: SCSI error: return code = 0x00070000
Jan 31 16:05:58 courge kernel: end_request: I/O error, dev sdb, sector 
4387962306

Thanks for your help

Regards
Cordialement,
Grégory Molin
Tel : 0141628162
gregory.molin AT afnor DOT org

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