Re: [squid-users] COSS cache_dir size exceeds largest offset at maximum file size

Jason Healy wrote:
> Hello,
>
> I'm trying to set up a large COSS cache_dir. I've used COSS in the
> past, but I've never tried to max out on the size of the file (I'm not
> even sure if this is a good idea...)
>
> When I try to start, squid fails with the following log messages:
>
> 2009/12/05 12:16:00| parse_line: cache_dir coss /squid/small/coss01
> 131072 block-size=8192 max-size=1048576
> maxfullbufs=256
> 2009/12/05 12:16:00| COSS block-size = 8192 bytes
> 2009/12/05 12:16:00| COSS largest file offset = 4194296 KB
> 2009/12/05 12:16:00| COSS cache_dir size = 134217728 KB
> FATAL: COSS cache_dir size exceeds largest offset
>
> I think I'm using the "block-size" param correctly to get to the
> maximum size of 131072MB. However, Squid seems to disagree on the
> maximum file offset.
>
> I've compiled using --with-large-*, so I'm not sure what I'm
> missing here:

You have indeed pushed the envelope right out that to the last single
byte of the index maximum boundary.

For some reason the safety check that is catching you uses > instead of >=
I'm not sure why. If you want to experiment you could change it manually
and rebuild. Around line 864 of src/fs/coss/store_dir_coss.c.

Amos

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