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Re: Near Line Storage - 2 Terabytes 10 Target Servers
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: Near Line Storage - 2 Terabytes 10 Target Servers
- From: "Karl R. Balsmeier" <karl_(_at_)_sfdata_(_dot_)_net>
- Date: Mon, 7 Feb 2005 08:51:03 -0800 (PST)
I am already using a 30 tape library and have broken the jobs up. I'd
rather take the user data and move it to near line storage instead of
What I am asking is if anyone knows of something other than tape, like a
sort of poor man's SAN, where I can move data quickly [far faster than
tape], say, something better than a LaCie drive, that can be connected to
an OBSD machine.
"Near Line" implies it's not on tape, but a great way to quickly pull the
data down to a large drive or other device. Thanks for the input so
far... Just thought i'd check within the community for a design that uses
openbsd, since i'd rather throw money at that, as it's money well spent.
> did you ever calculate how many tapes you will need? And what kind of
> tapechanger? If you use LTO this means about 50 tapes for a single
> fullbackup. And if you take the fastest streamer with about 80MBytes/sec
> you will still need 33 hours. And best equipment to get this datarate
> consistently. And I don't think that tar will be the software of choice.
> But I think you have known this already.
> Stefan Kell
> On Sun, 6 Feb 2005, Karl R. Balsmeier wrote:
>> Anyone know of a way to implement high-speed Near-Line Storage using
>> OpenBSD tools with various SAN/NAS-like hardware?
>> I have a project where i'd like to back up a large amount of data that
>> tape is simply too slow to cover. This data to tape takes at least 168
>> hours and must be done every 7 days.
>> I ask because I have configured to "Net-Fast" part of the kernal back in
>> the 2.7 days, and just wondered if my ol' buddy OBSD could be used for
>> another enterprise purpose.
>> Serious replies only.
Karl R. Balsmeier
Sr. Systems Engineer
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