On Sat, 24 Jun 2006, Neil Brown wrote:
On Friday June 23, francois.barre@xxxxxxxxx wrote:
The problem is that there is no cost effective backup available.
One-liner questions :
- How does Google make backups ?
No, Google ARE the backups :-)
- Aren't tapes dead yet ?
LTO-3 does 300Gig, and LTO-4 is planned.
They may not cope with tera-byte arrays in one hit, but they still
have real value.
- What about a NUMA principle applied to storage ?
You mean an Hierarchical Storage Manager? Yep, they exist. I'm sure
SGI, EMC and assorted other TLAs could sell you one.
NeilBrown
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LTO3 is 400GB native and we've seen very good compression, so 800GB-1TB
per tape.
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