FreeBSD 9-RELEASE zpool Out of File Descriptors ??

[Ronald Klop]

On Wed, 15 May 2013 14:13:32 +0200, Outback Dingo <outbackdingo at gmail.com>  
wrote:

> So it seems a new deployment we just built with zfsonroot mirror and a  
> 48TB
> master pool is already out of File Descriptors???
>
>   pool: master
>  state: ONLINE
> status: The pool is formatted using a legacy on-disk format.  The pool  
> can
>         still be used, but some features are unavailable.
> action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
>         pool will no longer be accessible on software that does not  
> support
> feature
>         flags.
>   scan: none requested
> config:
>
>         NAME                      STATE     READ WRITE CKSUM
>         master                    ONLINE       0     0     0
>           raidz3-0                ONLINE       0     0     0
>             multipath/SATA_LUN01  ONLINE       0     0     0
>             multipath/SATA_LUN03  ONLINE       0     0     0
>             multipath/SATA_LUN04  ONLINE       0     0     0
>             multipath/SATA_LUN05  ONLINE       0     0     0
>             multipath/SATA_LUN07  ONLINE       0     0     0
>             multipath/SATA_LUN08  ONLINE       0     0     0
>             multipath/SATA_LUN09  ONLINE       0     0     0
>             multipath/SATA_LUN10  ONLINE       0     0     0
>           raidz3-1                ONLINE       0     0     0
>             multipath/SATA_LUN11  ONLINE       0     0     0
>             multipath/SATA_LUN12  ONLINE       0     0     0
>             multipath/SATA_LUN13  ONLINE       0     0     0
>             multipath/SATA_LUN14  ONLINE       0     0     0
>             multipath/SATA_LUN15  ONLINE       0     0     0
>             multipath/SATA_LUN16  ONLINE       0     0     0
>             multipath/SATA_LUN17  ONLINE       0     0     0
>             multipath/SATA_LUN18  ONLINE       0     0     0
>           raidz3-2                ONLINE       0     0     0
>             multipath/SATA_LUN19  ONLINE       0     0     0
>             multipath/SATA_LUN20  ONLINE       0     0     0
>             multipath/SATA_LUN21  ONLINE       0     0     0
>             multipath/SATA_LUN22  ONLINE       0     0     0
>             multipath/SATA_LUN23  ONLINE       0     0     0
>             multipath/SATA_LUN24  ONLINE       0     0     0
>             multipath/SATA_LUN26  ONLINE       0     0     0
>             multipath/SATA_LUN27  ONLINE       0     0     0
>           raidz3-3                ONLINE       0     0     0
>             multipath/SATA_LUN29  ONLINE       0     0     0
>             multipath/SATA_LUN30  ONLINE       0     0     0
>             multipath/SATA_LUN32  ONLINE       0     0     0
>             multipath/SATA_LUN33  ONLINE       0     0     0
>             multipath/SATA_LUN35  ONLINE       0     0     0
>             multipath/SATA_LUN36  ONLINE       0     0     0
>             multipath/SATA_LUN37  ONLINE       0     0     0
>             multipath/SATA_LUN38  ONLINE       0     0     0
>         logs
>           multipath/SATA_LUN06    ONLINE       0     0     0
>         cache
>           multipath/SATA_LUN02    ONLINE       0     0     0
>
> errors: No known data errors
>   pool: tank
>  state: ONLINE
> status: The pool is formatted using a legacy on-disk format.  The pool  
> can
>         still be used, but some features are unavailable.
> action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
>         pool will no longer be accessible on software that does not  
> support
> feature
>         flags.
>   scan: none requested
> config:
>
>         NAME        STATE     READ WRITE CKSUM
>         tank        ONLINE       0     0     0
>           mirror-0  ONLINE       0     0     0
>             da34p3  ONLINE       0     0     0
>             da35p3  ONLINE       0     0     0
>
> errors: No known data errors
>
> while compiling a kernel, buildworld worked and installed ok
>
> lex -t
> /usr/src/sys/modules/aic7xxx/aicasm/../../../dev/aic7xxx/aicasm/aicasm_scan.l
>> aicasm_scan.c
> lex -t  -Pmm
> /usr/src/sys/modules/aic7xxx/aicasm/../../../dev/aic7xxx/aicasm/aicasm_macro_scan.l
>> aicasm_macro_scan.c
> rm -f .depend_aicasm
> mkdep -f .depend_aicasm -a    -I.
> -I/usr/src/sys/modules/aic7xxx/aicasm/../../../dev/aic7xxx/aicasm
> -std=gnu99
> /usr/src/sys/modules/aic7xxx/aicasm/../../../dev/aic7xxx/aicasm/aicasm.c
> /usr/src/sys/modules/aic7xxx/aicasm/../../../dev/aic7xxx/aicasm/aicasm_symbol.c
> aicasm_gram.c aicasm_macro_gram.c aicasm_scan.c aicasm_macro_scan.c
> Out of file descriptors
> *** [.depend_aicasm] Error code 2
>
> Stop in /usr/src/sys/modules/aic7xxx/aicasm.
> *** [buildkernel] Error code 1
>
> Stop in /usr/src.
> *** [buildkernel] Error code 1


Do you know what a file descriptor is?

There is something about it here:  
http://www.freebsd.org/doc/en/books/handbook/configtuning-kernel-limits.html  
(search for 'file descriptor')
Or more info in here:  
https://www.google.nl/search?q=freebsd+Out+of+file+descriptors

It mainly says that you have more files open than your system is  
configured to allow. This is often produced by a bug in a program which  
does not close some files properly.

Ronald.