[lug] Reliable SATA server?

Rob Nagler nagler at bivio.biz
Tue May 8 13:30:59 MDT 2012


> A data point for you.

Many thanks.  That's very interesting.

>    time tar --bzip2 --one-file-system -cpf /mnt/backup/root_fs.tar.bz2 /
[...]
>    only one core is ever active and is pegged at 100%

Are there processes waiting on disk?  Seems like you'd have three
processes: read, compress, write.  Would be good to test against a
pipeline to see if the performance improved.

Rob



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