Fujitsu PRIMEQUEST 2000 Series Design Manual page 92

3.3.4 HDD Configuration (5/5)
Memory Dump Function for RHEL
n
If a fatal system error occurs, data in the physical memory is output to a file.
Dump Types and Estimated Sizes
n
Dump acquisition area
(Dump device for sadump)
(Temporary data storage
area)
Internal disk => OK
External disk => OK
Cluster sharing is not allowed.
Save data to a disk
managed with GDS
(EXT3 file system)
Acquisition area
for kdump
When creating a dedicated disk
partition (such as /var/crash) for
saving dump data, increase the
acquisition area size for kdump by
10% in consideration of the file
system management area.
PRIMEQUEST 2000 Series Design Guide
kdump
(OS standard function)
that is not
(Installed memory capacity + 1GB) / 0.9
(1st generation) * Required
(Installed memory capacity + 1GB) / 0.9
(2nd generation)
Installed memory capacity + 512MB
Error
Error
(Installed memory
* Non-Fujitsu storage devices cannot be used for
:
91
sadump
(a dedicated tool for PRIMEQUEST)
* Required
Alternative area that is used
if a device error occurs
+ 512MB)
capacity
:
dump areas for sadump.
Save data to a disk
that is not managed
with GDS
(RAW device)
N areas
Copyright 2014 FUJITSU LIMITED