[mythtv-users] Samba 3 better than NFS 3 for recording over Ethernet

Big Wave Dave bigwavedave at gmail.com
Thu Dec 29 15:43:57 EST 2005

On 12/29/05, Yeechang Lee <ylee at pobox.com> wrote:
> Brad DerManouelian <myth at dermanouelian.com> says:
> > Yeechang, what kind of drives are in your RAID 5? ATA-133? 7200 RPM?  =
> > 8MB Cache?
> They are Seagate Barracuda.8 400GB PATA drives (I got a fantastic
> price on 'em a year ago, the month after their debut). Not far from
> the state of the art for drives even today, and needless to say each
> with 7200RPM and 8MB cache. I'd be shocked if having gone SATA (and
> paying $1000 more for the privilege; like I said, it was a fantastic
> price) or another make/model would have made a difference, especiallly
> since the 3ware cards virtualize the computer-drive connection into
> its own SCSI-like interface regardless of drive. It's not a case of
> one drive subtly slowing things down for everything else because a)
> iostate measures for all drives are always fairly consistent and the
> dd read benchmarks I've done for each drive directly (sd[a-h]) are
> consistent. The dd read benchmarks I've done for /dev/md0
> interestingly show about twice the performance of
> /dev/VolGroup0x/LogVol0x, indicating to me that lvm2 does appear to be
> a chokepoint, if not perhaps the only one; rebuilding the array and
> doing empirical tests of different RAID/LVM/filesystem configurations
> will presumably tell me more.
So the drives are all connected to a 3ware card?  This should be
running hardware RAID, making a significant improvement in


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