Re: [squid-users] IOWAIT and second disk

On 19.09.06 09:56, Michał Margula wrote:
> Hardware is 2 x Xeon 3.6, 2GB RAM, SCSI storage controller: LSI Logic
> 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI on Intel E7520.
>
> Now in topic of COSS, what is better solution (/dev/sdc is 36 GB and
> /dev/sdd also will be 36 GB, same disk model):

> 1) /dev/sdc and /dev/sdc used in full with AUFS and 1GB file of COSS in
> memory
> 2) /dev/sdc with AUFS and /dev/sdd with COSS (wouldn't be 36 GB too much?)
> 3) /dev/sdc splitted for COSS and AUFS (if yes, what ratio of
> splitting), /dev/sdd with AUFS
> 4) /dev/sdc and /dev/sdd splitted for COSS and AUFS
>
> I thought that (1) would be OK. What do you think? What is recommended
> size of COSS file?

I would use the 4), decrease cache_disk for both disks and create ~1GB file
for COSS on both disks.

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