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Buffer I/O errors after Replacing Disk (Doc ID 2511484.1)

Last updated on MAY 15, 2020

Applies to:

Linux OS - Version Oracle Linux 6.10 with Unbreakable Enterprise Kernel [2.6.39] and later
Linux x86-64

Symptoms

After replacing hard drive in slot 7 for the shared storage shelf below errors seen.

  1.  v$asm_disk status abnormal as below:

    SQL> select group_number,name,mount_status,header_status,mode_status,path from v$asm_disk order by 1;

    GROUP_NUMBER NAME MOUNT_S HEADER_STATU MODE_ST PATH
    ------------ ------------------------------ ------- ------------ ------- --------------------------------------------------
    0 CLOSED CANDIDATE ONLINE /dev/mapper/HDD_E0_S07_991988788p1 >>>>>>>>>>>>>>>>>>>>?
    0 CLOSED CANDIDATE ONLINE /dev/mapper/HDD_E0_S07_991988788p2 >>>>>>>>>>>>>>>>>>>>?
    1 HDD_E0_S15_992392924P1 CACHED MEMBER ONLINE /dev/mapper/HDD_E0_S15_992392924p1
    1 HDD_E0_S09_992332004P1 CACHED MEMBER ONLINE /dev/mapper/HDD_E0_S09_992332004p1
    ................

  2. Buffer  IO errors like below  seen for  dm-53 and dm-42.

    Feb 13 14:38:00 localhost kernel: Buffer I/O error on device dm-53, logical block 4
    Feb 13 14:38:00 localhost kernel: Buffer I/O error on device dm-53, logical block 5
    Feb 13 14:38:00 localhost kernel: Buffer I/O error on device dm-53, logical block 6
    Feb 13 14:38:00 localhost kernel: Buffer I/O error on device dm-53, logical block 7
    Feb 13 14:38:00 localhost kernel: end_request: I/O error, dev dm-42, sector 13195284480
    Feb 13 14:51:15 localhost kernel: sd 2:0:3:0: [sdd] Sense Key : Recovered Error [current] [descriptor]
    Feb 13 14:51:15 localhost kernel: Descriptor sense data with sense descriptors (in hex):
    Feb 13 14:51:15 localhost kernel: 80 02 17 2c 81 06 00 01 61 00 01 9b

Cause

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In this Document
Symptoms
Cause
Solution


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