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тАО08-14-2000 11:04 AM
тАО08-14-2000 11:04 AM
Informix KAIO problems
V2500, HPUX 11.0 64bit, Informix 7.31.FC4 64bit. OmniBack 3.1
Has anyone successfully implemented KAIO.
We tried once. Got "kaio_READ" errors. Informix said to increase maxfiles & maxfiles_lim.
We increased both from 2048 to 10000.
Now we are getting "kaio_WRITE" errors.
Informix performance has improved, but the OmniBack backups of the Logical Logs are failing and causing the above errors.
Thanks in advance,
Rich
Has anyone successfully implemented KAIO.
We tried once. Got "kaio_READ" errors. Informix said to increase maxfiles & maxfiles_lim.
We increased both from 2048 to 10000.
Now we are getting "kaio_WRITE" errors.
Informix performance has improved, but the OmniBack backups of the Logical Logs are failing and causing the above errors.
Thanks in advance,
Rich
2 REPLIES 2
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тАО08-14-2000 11:32 AM
тАО08-14-2000 11:32 AM
Re: Informix KAIO problems
Do you have the kernel driver asyncdsk in the kernel and the /dev/async device file created?
Open SAM -> Kernel configuration -> drivers; look to see if asyncdsk is in or out. If it is out add it to ther kernel and reboot. Then you'll have to mknod the /dev/async device file.
mknod /dev/async c 101 0x000000
Open SAM -> Kernel configuration -> drivers; look to see if asyncdsk is in or out. If it is out add it to ther kernel and reboot. Then you'll have to mknod the /dev/async device file.
mknod /dev/async c 101 0x000000
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тАО08-14-2000 11:58 AM
тАО08-14-2000 11:58 AM
Re: Informix KAIO problems
The kernel driver was installed and the
/dev/async special file was created.
Instead of
mknod /dev/async c 101 0x000000
we used
mknod /dev/async c 101 0x000004
per Informix instructions.
To clear (or not) things a little. Everything was working perfectly until usage started getting high.
/dev/async special file was created.
Instead of
mknod /dev/async c 101 0x000000
we used
mknod /dev/async c 101 0x000004
per Informix instructions.
To clear (or not) things a little. Everything was working perfectly until usage started getting high.
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