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Tuesday, September 23, 2014

HPUX : Swap activation error Floating exception(coredump).

Swap activation error Floating exception(coredump).
Overview
Swap activation error Floating exception(coredump) .
Procedures
Server aplino reboot and it came back without swap 1 and 2.Manual activation is giving below error.
To resolve the issue we have run dd:
[root@aplino:/.root/.histdir]#
#-> swapon -a
Enabling device paging on /dev/vgswap/lv_swap1.
Floating exception(coredump)
[root@aplino:/.root/.histdir]#
#-> ll core
-rw-------   1 root       sys         893184 Sep 23 07:14 core
[root@aplino:/.root/.histdir]#
#-> swapon -p 0 /dev/vgswap/lv_swap1
Floating exception(coredump)
[root@aplino:/.root/.histdir]#
#-> dd if=/dev/zero of=/dev/vgswap/rlv_swap1 bs=8192 count=10
10+0 records in
10+0 records out
[root@aplino:/.root/.histdir]#
#-> dd if=/dev/zero of=/dev/vgswap/rlv_swap2 bs=8192 count=10
10+0 records in
10+0 records out
[root@aplino:/.root/.histdir]#
#-> swapon -a
Enabling device paging on /dev/vgswap/lv_swap1.
Enabling device paging on /dev/vgswap/lv_swap2.

[root@aplino:/.root/.histdir]#
#-> swapinfo -tam
             Mb      Mb      Mb   PCT  START/      Mb
TYPE      AVAIL    USED    FREE  USED   LIMIT RESERVE  PRI  NAME
dev       16384       0   16384    0%       0       -    1  /dev/vg00/lvol2
dev       77792       0   77792    0%       0       -    0  /dev/vgswap/lv_swap1
dev       77792       0   77792    0%       0       -    0  /dev/vgswap/lv_swap2
reserve       -   69726  -69726
memory    73167   11404   61763   16%
total    245135   81130  164005   33%       -       0    -
Keywords.
swapinfo, swapon ,dd

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