Shulou(Shulou.com)06/03 Report--

Check the system and the following error message appears in errpt: E87EF1BE 0322150010 P O dumpcheck The largest dump device is too small.

Errpt-aj E87EF1BE

LABEL: DMPCHK_TOOSMALL

IDENTIFIER: E87EF1BE

Date/Time: Mon Mar 22 15:00:01 BEIST 2010

Sequence Number: 8677

Machine Id: 00CBD43F4C00

Node Id: ptcapp

Class: O

Type: PEND

Resource Name: dumpcheck

Description

The largest dump device is too small.Probable Causes

Neither dump device is large enough to accommodate a system dump at this time.

Recommended Actions

Increase the size of one or both dump devices.

Detail Data

Largest dump device

Lg_dumplv

Largest dump device size in kb

1572864

Current estimated dump size in kb

1600716 it is initially judged that the lg_dumplv capacity for storing dump files is not enough. It needs to be expanded. The steps for capacity expansion are as follows:

1. View estimates of lg_dumplv size

# sysdumpdev-e

0453-041 Estimated dump size in bytes: 1287651328

That is 1.2G

two。 Now the size of lg_dumplv

# lslv lg_dumplv

Where PP SIZE: 256 megabyte (s)

PPs: 4

According to the calculation, the capacity is now 1G. Need to expand capacity by 0.2g

3. Check to see if the capacity of the vg where the lg_dumplv is located is sufficient

# lsvg rootvg

Where PP SIZE: 256 megabyte (s)

TOTAL PPs: 1092 (279552 megabytes)

FREE PPs: 826 (211456 megabytes)

It is calculated that the remaining capacity of vg is 206.5 G because the root disk is mirrored. Therefore, the available remaining capacity is about 103G. Because the pp size is 256m, the capacity of 2pps is expanded to 0.5G (in fact, 1 pp can also be expanded. 2 worry points.)

4. Capacity expansion operation

Extendlv lg_dumplv 2

5. Check the size of the current lg_dumplv.

# lslv lg_dumplv

Where PP SIZE: 256 megabyte (s)

PPs: 6

That is, the current capacity is 1.5g.

6. Use the dumpcheck command to see if there is still an errpt message errclear 0 emptying errpt

# / usr/lib/ras/dumpcheck

# errpt

If it does not appear, it will be a success.

Note: the lg_dumplv logical volume in the AIX system is the area where the system dump is stored. Whether or not to create the logical volume when installing the system depends on the memory configuration of the server. If the server has less memory than 4GB, it will not be created automatically when AIX 5.2 or 5.3 is installed. By default, the system dump is stored on hd6.

When the server has more memory than 4GB, a dedicated zone is created for the system dump when AIX is installed. The logical volume name is lg_dumplv. Its default size is assigned according to the following rules:

. 4GB < = memory of the server < the size of 12GB lg_dump is 1GB

. 12GB < = memory of the server < the size of 24GB lg_dump is 2GB

. 24GB < = memory of the server < the size of 48GB lg_dump is 3GB

. 48GB < = the memory lg_dump of the server is 4GB

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