The largest dump device is too small

 AIX errpt information

E87EF1BE P O dumpcheck The largest dump device is too small.

root@p6/>errpt | more

IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION

E87EF1BE 1005113610 P O dumpcheck The largest dump device is too small.

E87EF1BE 1005113610 P O dumpcheck The largest dump device is too small.

E87EF1BE 1005113410 P O dumpcheck The largest dump device is too small.

E87EF1BE 1005104110 P O dumpcheck The largest dump device is too small.

E87EF1BE 1004150010 P O dumpcheck The largest dump device is too small.

E87EF1BE 1003150010 P O dumpcheck The largest dump device is too small.

E87EF1BE 1002150010 P O dumpcheck The largest dump device is too small.

E87EF1BE 1001150010 P O dumpcheck The largest dump device is too small.

 solution

1. sysdumpdev -e # to estimate the size of a dump under current loading.

root@p6/>sysdumpdev -e

0453-041 Estimated dump size in bytes: 544420659

2. sysdumpdev -l # to list dump device.

root@p6/>sysdumpdev -l

primary /dev/hd6

condary /dev/sysdumpnull

copy directory /var/adm/ras

forced copy flag TRUE

always allow dump FALSE

dump compression ON

3. lsvg rootvg check PP SIDE

root@p6/>lsvg rootvg

VOLUME GROUP: rootvg VG IDENTIFIER:

00cce28200004c000000012a462dbdca

VG STATE: active PP SIZE: 512 megabyte(s)

VG PERMISSION: read/write TOTAL PPs: 558 (285696 megabytes)

MAX LVs: 256 FREE PPs: 463 (237056 megabytes)

LVs: 12 USED PPs: 95 (48640 megabytes)

OPEN LVs: 11 QUORUM: 2 (Enabled)

TOTAL PVs: 1 VG DESCRIPTORS: 2

STALE PVs: 0 STALE PPs: 0

ACTIVE PVs: 1 AUTO ON: yes

MAX PPs per VG: 32512

MAX PPs per PV: 1016 MAX PVs: 32

LTG size (Dynamic): 1024 kilobyte(s) AUTO SYNC: no

HOT SPARE: no BB POLICY: relocatable

root@p6/>lsvg -l rootvg

rootvg:

LV NAME TYPE LPs PPs PVs LV STATE MOUNT

POINT

hd5 boot 1 1 1 clod/syncd N/A

hd6 paging 1 1 1 open/syncd N/A

hd8 jfs2log 1 1 1 open/syncd N/A

hd4 jfs2 2 2 1 open/syncd /

hd2 jfs2 10 10 1 open/syncd /usr

hd9var jfs2 6 6 1 open/syncd /var

hd3 jfs2 6 6 1 open/syncd /tmp

hd1 jfs2 4 4 1 open/syncd /home

hd10opt jfs2 2 2 1 open/syncd /opt

fslv01 jfs2 2 2 1 open/syncd /nmon_log

4. create dump device

 command line

#### mklv -y dumplv01 -t sysdump rootvg 4

 u smitty

root@p61j0/>smitty lvm

Add a Logical Volume

Type or lect values in entry fields.

Press Enter AFTER making all desired changes.

[TOP] [Entry Fields]

Logical volume NAME [dumplv01]

* VOLUME GROUP name rootvg

* Number of LOGICAL PARTITIONS [4] #

PHYSICAL VOLUME names [] +

Logical volume TYPE [sysdump] +

POSITION on physical volume middle +

RANGE of physical volumes minimum +

MAXIMUM NUMBER of PHYSICAL VOLUMES []

#

to u for allocation

Number of COPIES of each logical 1 +

partition

Mirror Write Consistency? active +

Allocate each logical partition copy yes +

[12]

root@p6/>smitty lvm

Add a Logical Volume

Type or lect values in entry fields.

Press Enter AFTER making all desired changes.

[TOP] [Entry Fields]

Logical volume NAME [dumplv02]

* VOLUME GROUP name rootvg

* Number of LOGICAL PARTITIONS [4] #

PHYSICAL VOLUME names [] +

Logical volume TYPE [sysdump] +

POSITION on physical volume middle +

RANGE of physical volumes minimum +

MAXIMUM NUMBER of PHYSICAL VOLUMES []

#

to u for allocation

Number of COPIES of each logical 1 +

partition

Mirror Write Consistency? active +

Allocate each logical partition copy yes +

[12]

root@p6/>lsvg -l rootvg

rootvg:

LV NAME TYPE LPs PPs PVs LV STATE MOUNT

POINT

hd5 boot 1 1 1 clod/syncd N/A

hd6 paging 1 1 1 open/syncd N/A

hd8 jfs2log 1 1 1 open/syncd N/A

hd4 jfs2 2 2 1 open/syncd /

hd2 jfs2 10 10 1 open/syncd /usr

hd9var jfs2 6 6 1 open/syncd /var

hd3 jfs2 6 6 1 open/syncd /tmp

hd1 jfs2 4 4 1 open/syncd /home

hd10opt jfs2 2 2 1 open/syncd /opt

fslv01 jfs2 2 2 1 open/syncd /nmon_log

dumplv01 sysdump 4 4 1 clod/syncd N/A

dumplv02 sysdump 4 4 1 clod/syncd N/A

5. t primary dump device

root@p61j0/>sysdumpdev -P -p /dev/dumplv01

primary /dev/dumplv01

condary /dev/sysdumpnull

copy directory /var/adm/ras

forced copy flag TRUE

always allow dump FALSE

dump compression ON

6. t cond dump device

root@p61j0/>sysdumpdev -P -s /dev/dumplv02

primary /dev/dumplv01

condary /dev/dumplv02

copy directory /var/adm/ras

forced copy flag TRUE

always allow dump FALSE

dump compression ON

root@p6/>lsvg -l rootvg

rootvg:

LV NAME TYPE LPs PPs PVs LV STATE MOUNT

POINT

hd5 boot 1 1 1 clod/syncd N/A

hd6 paging 1 1 1 open/syncd N/A

hd8 jfs2log 1 1 1 open/syncd N/A

hd4 jfs2 2 2 1 open/syncd /

hd2 jfs2 10 10 1 open/syncd /usr

hd9var jfs2 6 6 1 open/syncd /var

hd3 jfs2 6 6 1 open/syncd /tmp

hd1 jfs2 4 4 1 open/syncd /home

hd10opt jfs2 2 2 1 open/syncd /opt

fslv01 jfs2 2 2 1 open/syncd /nmon_log

dumplv01 sysdump 4 4 1 open/syncd N/A

dumplv02 sysdump 4 4 1 open/syncd N/A

7. /usr/lib/ras/dumpcheck command is ud to check the disk resources ud by the

system dump.

root@p6/>/usr/lib/ras/dumpcheck

root@p6/>date

Tue Oct 5 11:42:59 TAIST 2010

root@p61j0/>errpt | more

IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION

E87EF1BE 1005113610 P O dumpcheck The largest dump device is too small.

E87EF1BE 1005113610 P O dumpcheck The largest dump device is too small.

E87EF1BE 1005113410 P O dumpcheck The largest dump device is too small.

E87EF1BE 1005104110 P O dumpcheck The largest dump device is too small.

E87EF1BE 1004150010 P O dumpcheck The largest dump device is too small.

E87EF1BE 1003150010 P O dumpcheck The largest dump device is too small.

E87EF1BE 1002150010 P O dumpcheck The largest dump device is too small.

E87EF1BE 1001150010 P O dumpcheck The largest dump device is too small.

root@p6/>