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тАО04-21-2006 12:23 AM
тАО04-21-2006 12:23 AM
Checking a Raw Partition
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тАО04-21-2006 12:27 AM
тАО04-21-2006 12:27 AM
Re: Checking a Raw Partition
Two choices:
1) A utility provided by Informix (I had SAG Adabas raw in a previous job and we had utilities for checking)
2) dmesg - # followed by a dmesg
If there are messages involving the physical disks the raw partition is sitting on, then you are correct.
pvdisplay will show you whats on what disk.
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тАО04-21-2006 12:28 AM
тАО04-21-2006 12:28 AM
Re: Checking a Raw Partition
dd if=/dev/vgxx/rlvolx of=/dev/null bs=1k
If it reports error, there might be problems with it. Also checl dmesg and syslog.log, diskinfo and check disk with STM.
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тАО04-21-2006 01:25 AM
тАО04-21-2006 01:25 AM
Re: Checking a Raw Partition
does an extent check on all chunks; run when the system is quiet.
oncheck -cDI databasename
to verify data/index integrity and rebuild if necessary.
oncheck --
for the full list of options.
The dd command above will give you an i/o error if it encounters one, you can also run that on the raw logical volume.
armdsp -i to get your arrayid, then
armdsp -a arrayid to check the array for errors.
Sometimes is called amdsp; I don't know why they changed it.
You could also try commandview.
After that there is logprn, amlog/armlog, but you might like to get the response center's help with those.
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тАО04-21-2006 01:28 AM
тАО04-21-2006 01:28 AM
Re: Checking a Raw Partition
Specify a blocksize of at least a megabyte, possibly as much as 8mb.