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Re: error in kaio_WRITE, kaiocbp = 0xfb84a1d0, errno = 0

Posted in 2007

Topics: High Availability & Replication, Platform-Specific Issues, Versions, Editions & End-of-Life

Neil Truby — — source: Usenet: comp.databases.informix

"RoB" <plumas4u@gmail.com> wrote in message news:1190981928.482902.213610@n39g2000hsh.googlegroups.com... > Hi all, > > IDS 10.00.FC5 > OS: Red Hat Enterprise Linux AS release 4 (Nahant Update 4 > (2.6.9-42.ELsmp with Hyper threading, 64 bit) > > HDR secondary has crashed a few times with the following errors coming > up in the online.log: > > 13:36:21 KAIO: error in kaio_WRITE, kaiocbp = 0xfb84a1d0, errno = 0 > 13:36:21 fildes = 264 (gfd 7), buf = 0x0xfb857000, nbytes = 8192,> offset = 276310016 > > < thousand of repeated lines with different values and then > finally... > > > 13:36:47 KAIO: out of OS resources, errno = 11, pid = 9298 > 13:37:03 KAIO: out of OS resources, errno = 11, pid = 9298> > < and then crash > PMR is 40882,019,866

↪ replying to Neil Truby
TBP (The Big Potato) — — source: Usenet: comp.databases.informix

Neil Truby wrote: > "RoB" <plumas4u@gmail.com> wrote in message > news:1190981928.482902.213610@n39g2000hsh.googlegroups.com... > >>Hi all, >> >>IDS 10.00.FC5 >>OS: Red Hat Enterprise Linux AS release 4 (Nahant Update 4 >>(2.6.9-42.ELsmp with Hyper threading, 64 bit) >> >>HDR secondary has crashed a few times with the following errors coming >>up in the online.log: >> >>13:36:21 KAIO: error in kaio_WRITE, kaiocbp = 0xfb84a1d0, errno = 0 >>13:36:21 fildes = 264 (gfd 7), buf = 0x0xfb857000, nbytes = 8192,>>offset = 276310016 >> >>< thousand of repeated lines with different values and then >>finally... > >> >>13:36:47 KAIO: out of OS resources, errno = 11, pid = 9298 >>13:37:03 KAIO: out of OS resources, errno = 11, pid = 9298>> >>< and then crash > > > > PMR is 40882,019,866 > > Why not increase fs.aio-max-nr to 1M?? At least that way you can prove / disprove any relation, and I can't see any issue if the kernel can support it. errno 11 is "Try again", so it surely it is in the area of kernel resource.

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