lsdsk

Purpose

Lists Oracle ASM disks.

Syntax and Description

lsdsk [--suppressheader] [-kptgMI] [-G diskgroup ]
         [ --member|--candidate]
         [--discovery][--statistics][pattern]

Table 10-50 lists the options for the lsdsk command.

Table 10-50 Options for the lsdsk command

Option Description

(none)

Displays the PATH column of the V$ASM_DISK_STAT view.

-k

Displays the TOTAL_MB, FREE_MB, OS_MB,NAME, FAILGROUP, LIBRARY, LABEL, UDID, PRODUCT, REDUNDANCY, and PATH columns of the V$ASM_DISK view.

--statistics

Displays the READS, WRITES, READ_ERRS, WRITE_ERRS, READ_TIME, WRITE_TIME, BYTES_READ, BYTES_WRITTEN, and the PATH columns of the V$ASM_DISK view.

-p

Displays the GROUP_NUMBER, DISK_NUMBER, INCARNATION, MOUNT_STATUS, HEADER_STATUS, MODE_STATUS, STATE, and the PATH columns of the V$ASM_DISK view.

-t

Displays the CREATE_DATE, MOUNT_DATE, REPAIR_TIMER, and the PATH columns of the V$ASM_DISK view.

-g

Selects from GV$ASM_DISK_STAT, or from GV$ASM_DISK if the --discovery flag is also specified. GV$ASM_DISK.INST_ID is included in the output.

--discovery

Selects from V$ASM_DISK, or from GV$ASM_DISK if the -g flag is also specified. This option is always enabled if the Oracle ASM instance is version 10.1 or earlier. This flag is disregarded if lsdsk is running in non-connected mode.

--suppressheader

Suppresses column headings.

-I

Scans disk headers for information rather than extracting the information from an Oracle ASM instance. This option forces non-connected mode.

-G

Restricts results to only those disks that belong to the group specified by diskgroup.

-M

Displays the disks that are visible to some but not all active instances. These are disks that, if included in a disk group, cause the mount of that disk group to fail on the instances where the disks are not visible.

--candidate

Restricts results to only disks having membership status equal to CANDIDATE.

--member

Restricts results to only disks having membership status equal to MEMBER.

pattern

Returns only information about the specified disks that match the supplied pattern.

The lsdsk command can run in connected or non-connected mode. The connected mode is always attempted first. The -I option forces non-connected mode.

  • In connected mode, lsdsk uses the V$ASM_DISK_STAT and V$ASM_DISK dynamic views to retrieve disk information. The V$ASM_DISK_STAT view is used by default.

  • In non-connected mode, lsdsk scans disk headers to retrieve disk information. Some information is not available in this mode and some options are not valid combinations with this mode.

Note:

The non-connected mode is not supported on Windows.

pattern restricts the output to only disks that match the pattern specified. Wild-card characters and slashes (/ or \) can be part of the pattern. pattern should be specified as the last option for the command. For information about wildcards, see "Wildcard Characters".

The -k, -p, -t, and --statistics options modify how much information is displayed for each disk. If any combination of the options are specified, then the output shows the union of the attributes associated with each flag.

Example

The following are examples of the lsdsk command. The first and second examples list information about disks in the data disk group. The third example lists information about candidate disks.

Example 10-59 Using the ASMCMD lsdsk command

ASMCMD [+] > lsdsk -t -G data
Create_Date  Mount_Date  Repair_Timer  Path
13-JUL-09    13-JUL-09   0             /devices/diska1
13-JUL-09    13-JUL-09   0             /devices/diska2
13-JUL-09    13-JUL-09   0             /devices/diska3
13-JUL-09    13-JUL-09   0             /devices/diskb1
13-JUL-09    13-JUL-09   0             /devices/diskb2
13-JUL-09    13-JUL-09   0             /devices/diskb3
13-JUL-09    13-JUL-09   0             /devices/diskc1
13-JUL-09    13-JUL-09   0             /devices/diskc2
...

ASMCMD [+] > lsdsk -p -G data /devices/diska*
Group_Num  Disk_Num      Incarn  Mount_Stat  Header_Stat  Mode_Stat  State   Path
        1         0  2105454210  CACHED      MEMBER       ONLINE     NORMAL  /devices/diska1
        1         1  2105454199  CACHED      MEMBER       ONLINE     NORMAL  /devices/diska2
        1         2  2105454205  CACHED      MEMBER       ONLINE     NORMAL  /devices/diska3

ASMCMD [+] > lsdsk --candidate -p
Group_Num  Disk_Num      Incarn  Mount_Stat  Header_Stat  Mode_Stat  State   Path
        0         5  2105454171  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diske1
        0        25  2105454191  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diske2
        0        18  2105454184  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diske3
        0        31  2105454197  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diskk1
        0        21  2105454187  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diskk2
        0        26  2105454192  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diskk3
        0        14  2105454180  CLOSED      CANDIDATE    ONLINE     NORMAL  /devices/diskl1
...