REM ASM views:
REM VIEW |ASM INSTANCE |DB INSTANCE
REM
REM V$ASM_DISKGROUP |Describes a disk group (number, name, size |Contains one row for every open ASM
REM |related info, state, and redundancy type) |disk in the DB instance.
REM V$ASM_CLIENT |Identifies databases using disk groups |Contains no rows.
REM |managed by the ASM instance. |
REM V$ASM_DISK |Contains one row for every disk discovered |Contains rows only for disks in the
REM |by the ASM instance, including disks that |disk groups in use by that DB instance.
REM |are not part of any disk group. |
REM V$ASM_FILE |Contains one row for every ASM file in every |Contains rows only for files that are
REM |disk group mounted by the ASM instance. |currently open in the DB instance.
REM V$ASM_TEMPLATE |Contains one row for every template present in |Contains no rows.
REM |every disk group mounted by the ASM instance. |
REM V$ASM_ALIAS |Contains one row for every alias present in |Contains no rows.
REM |every disk group mounted by the ASM instance. |
REM v$ASM_OPERATION |Contains one row for every active ASM long |Contains no rows.
REM |running operation executing in the ASM instance. |
set wrap off
set lines 155 pages 9999
col "Group Name" for a6 Head "Group|Name"
col "Disk Name" for a10
col "State" for a10
col "Type" for a10 Head "Diskgroup|Redundancy"
col "Total GB" for 9,990 Head "Total|GB"
col "Free GB" for 9,990 Head "Free|GB"
col "Imbalance" for 99.9 Head "Percent|Imbalance"
col "Variance" for 99.9 Head "Percent|Disk Size|Variance"
col "MinFree" for 99.9 Head "Minimum|Percent|Free"
col "MaxFree" for 99.9 Head "Maximum|Percent|Free"
col "DiskCnt" for 9999 Head "Disk|Count"
prompt
prompt ASM Disk Groups
prompt ===============
SELECT g.group_number "Group"
, g.name "Group Name"
, g.state "State"
, g.type "Type"
, g.total_mb/1024 "Total GB"
, g.free_mb/1024 "Free GB"
, 100*(max((d.total_mb-d.free_mb)/d.total_mb)-min((d.total_mb-d.free_mb)/d.total_mb))/max((d.total_mb-d.free_mb)/d.total_mb) "Imbalance"
, 100*(max(d.total_mb)-min(d.total_mb))/max(d.total_mb) "Variance"
, 100*(min(d.free_mb/d.total_mb)) "MinFree"
, 100*(max(d.free_mb/d.total_mb)) "MaxFree"
, count(*) "DiskCnt"
FROM v$asm_disk d, v$asm_diskgroup g
WHERE d.group_number = g.group_number and
d.group_number <> 0 and
d.state = 'NORMAL' and
d.mount_status = 'CACHED'
GROUP BY g.group_number, g.name, g.state, g.type, g.total_mb, g.free_mb
ORDER BY 1;
prompt ASM Disks In Use
prompt ================
col "Group" for 999
col "Disk" for 999
col "Header" for a9
col "Mode" for a8
col "State" for a8
col "Created" for a10 Head "Added To|Diskgroup"
col "Path" for a19
col "SecsPerRead" for 9.000 Head "Seconds|PerRead"
col "SecsPerWrite" for 9.000 Head "Seconds|PerWrite"
select group_number "Group"
, disk_number "Disk"
, header_status "Header"
, mode_status "Mode"
, state "State"
, create_date "Created"
, total_mb/1024 "Total GB"
, free_mb/1024 "Free GB"
, name "Disk Name"
, path "Path"
, read_time/reads "SecsPerRead"
, write_time/writes "SecsPerWrite"
from v$asm_disk_stat
where header_status not in ('FORMER','CANDIDATE')
order by group_number
, disk_number
/
Prompt File Types in Diskgroups
Prompt ========================
col "File Type" for a16
col "Block Size" for a5 Head "Block|Size"
col "Gb" for 9990.00
col "Files" for 99990
break on "Group Name" skip 1 nodup
select g.name "Group Name"
, f.TYPE "File Type"
, f.BLOCK_SIZE/1024||'k' "Block Size"
, f.STRIPED
, count(*) "Files"
, round(sum(f.BYTES)/(1024*1024*1024),2) "Gb"
from v$asm_file f,v$asm_diskgroup g
where f.group_number=g.group_number
group by g.name,f.TYPE,f.BLOCK_SIZE,f.STRIPED
order by 1,2;
clear break
prompt Instances currently accessing these diskgroups
prompt ==============================================
col "Instance" form a8
select c.group_number "Group"
, g.name "Group Name"
, c.instance_name "Instance"
from v$asm_client c
, v$asm_diskgroup g
where g.group_number=c.group_number
/
prompt Free ASM disks and their paths
prompt ==============================
col "Disk Size" form a9
select header_status "Header"
, mode_status "Mode"
, path "Path"
, lpad(round(os_mb/1024),7)||'Gb' "Disk Size"
from v$asm_disk
where header_status in ('FORMER','CANDIDATE')
order by path
/
prompt Current ASM disk operations
prompt ===========================
select *
from v$asm_operation
/
