[rescue] OS recommendations for Sun Fire V210
sunrescue at marknmel.com
Wed Jun 30 21:23:50 CDT 2010
On 6/30/2010 9:09 PM, Phil Stracchino wrote:
> On 06/30/10 20:34, Patrick Giagnocavo wrote:
>> Mark Brown wrote:
>>> On 6/30/2010 7:14 PM, Patrick Finnegan wrote:
>>>> 40MB/sec is 320Mbps is 1/3 of GbE or so.
>>> Sure - but if we are talking about Ultra 320 scsi, thats 320 MB/s or
>>> 2560Mb/s, not 320Mbps. Of course, 320MB/s is theoretical.... - so I'd
>>> expect about 75% of that rate.
>> I think the limiting factor (in this thread) is the sustained write
>> speed of the tape unit however.
> Indeed. Which won't even sync up at 320. It'll sync at 160, and fill
> its buffer at that speed, but won't write anything close to that to tape.
Again, but perhaps I'm completely missing the point here (which is
totally possible :-) ) - even if I was streaming to the compressed tape
device at 2:1 (~80MB/s) it should work fine.
I fail to see where the issue is with iSCSI (or NFS for that
matter)...unless the bottleneck is reading from disk.
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