1 Reply Latest reply: Feb 26, 2013 11:08 AM by damorgan RSS

    ASM_DISKSTRING is empty and discover discs

    AminChavarria
      Hi,

      SO: RHEL6
      GI: 11.2.0.3
      User owner: grid

      The parameter ASM_DISKSTRING is null string however discovers disks.

      SQL> select name, path from v$asm_disk;
      
      NAME                           PATH
      ------------------------------ --------------------------------------------------
                                     /dev/vg_hdisk_ora/lv_hd10
                                     /dev/vg_hdisk_ora/lv_hd15
                                     /dev/vg_hdisk_ora/lv_hd3
                                     /dev/vg_hdisk_ora/lv_hd6
                                     /dev/vg_hdisk_ora/lv_hd4
                                     /dev/vg_hdisk_ora/lv_hd7
                                     /dev/vg_hdisk_ora/lv_hd5
                                     /dev/vg_hdisk_ora/lv_hd2
                                     /dev/vg_hdisk_ora/lv_hd8
                                     /dev/vg_hdisk_ora/lv_hd9
                                     /dev/vg_hdisk_ora/lv_hd20
                                     /dev/vg_hdisk_ora/lv_hd18
                                     /dev/vg_hdisk_ora/lv_hd17
                                     /dev/vg_hdisk_ora/lv_hd19
                                     /dev/vg_hdisk_ora/lv_hd16
                                     /dev/vg_hdisk_ora/lv_hd14
                                     /dev/vg_hdisk_ora/lv_hd11
                                     /dev/vg_hdisk_ora/lv_hd13
                                     /dev/vg_hdisk_ora/lv_hd12
                                     /dev/vg_hdisk_ora/lv_hd1
      
      20 rows selected.
      
      SQL> show parameters string
      
      NAME                                 TYPE        VALUE
      ------------------------------------ ----------- ------------------------------
      asm_diskstring                       string
      After setting asm_diskstring to "/dev/asm*", list 40 disks (kernel-assigned device file names & UDEV name)
      DISK_NUMBER PATH
      ----------- ----------------------------------------
                0 /dev/asm-disk10
               39 /dev/vg_hdisk_ora/lv_hd15
                2 /dev/asm-disk3
                3 /dev/asm-disk6
                4 /dev/asm-disk4
                5 /dev/asm-disk7
                6 /dev/asm-disk5
                7 /dev/asm-disk2
                8 /dev/asm-disk8
                9 /dev/asm-disk9
               10 /dev/asm-disk20
               11 /dev/asm-disk18
               12 /dev/asm-disk17
               13 /dev/asm-disk19
               14 /dev/asm-disk16
               15 /dev/asm-disk14
               16 /dev/asm-disk11
               17 /dev/asm-disk13
               18 /dev/asm-disk12
               19 /dev/asm-disk15
               20 /dev/vg_hdisk_ora/lv_hd10
               21 /dev/vg_hdisk_ora/lv_hd1
               22 /dev/vg_hdisk_ora/lv_hd3
               23 /dev/vg_hdisk_ora/lv_hd6
               24 /dev/vg_hdisk_ora/lv_hd4
               25 /dev/vg_hdisk_ora/lv_hd7
               26 /dev/vg_hdisk_ora/lv_hd5
               27 /dev/vg_hdisk_ora/lv_hd2
               28 /dev/vg_hdisk_ora/lv_hd8
               29 /dev/vg_hdisk_ora/lv_hd9
               30 /dev/vg_hdisk_ora/lv_hd20
               31 /dev/vg_hdisk_ora/lv_hd18
               32 /dev/vg_hdisk_ora/lv_hd17
               33 /dev/vg_hdisk_ora/lv_hd19
               34 /dev/vg_hdisk_ora/lv_hd16
               35 /dev/vg_hdisk_ora/lv_hd14
               36 /dev/vg_hdisk_ora/lv_hd11
               37 /dev/vg_hdisk_ora/lv_hd13
               38 /dev/vg_hdisk_ora/lv_hd12
                1 /dev/asm-disk1
      
      40 rows selected.
      1. Why not list only the names of devices UDEV?

      2. Is this normal when creating UDEV rules to ASM?



      regards
      Amin