Networker

[Networker] Recommendations for new tape library?

2008-01-09 13:06:55
Subject: [Networker] Recommendations for new tape library?
From: George Sinclair <George.Sinclair AT NOAA DOT GOV>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 9 Jan 2008 12:02:41 -0500
Hi,

Just looking for some feedback here. We need to procure a new tape library soon. We have an older Storagetek L80 with 8 LTO-3 drives (79 data slots). This has worked nicely, but I don't see us upgrading it to LTO-4 drives, although it might be possible. Storagetek is still supporting it, but it is getting old, and we'd like to get a new library to take us further down the road. We will remain with LTO technology, so we plan to move to LTO-4. I don't anticipate moving any of the existing LTO-3 drives to the new library via drive conversion kits (I know this can be done when working with the same library manufacturer). We will run the L80 in parallel for a while, however. We're running NW 7.2.2 on a Solaris server with two RH Linux snodes, but we will move to 7.3.x at some point soon.
Not sure if 7.2.2 even supports LTO-4.

Desired library options:
o Rack mountable
o At least four LTO-4 drives with room to expand up to 8.
o Fiber channel might be preferred but would be nice if it could do SCSI if need be.
o Will be connecting to RH Linux storage node server
o Ability to move tapes around using GUI panel would be nice
o A CAP door with 1-5 slots is preferred

I would prefer to avoid stackable type units. I pretty much want it all in one. We had a bad experience with one stackable style library wherein the company stopped manufacturing the unit so we couldn't add more drives even though they still support it for maintenance.

One thing I don't like about our L80 is that you can't move tapes around in the library using the GUI panel on the library. Instead, you have to use the OS. It's really more of an annoyance than anything else. Otherwise, the L80 has been great.

Not sure how many slots we would need, but given that LTO-4 is double the capacity of LTO-3, I suppose we could get by with 40 slots, but might
be nice to have more.

I know we will require another Authochanger license, and that's gonna run some money, too!, not to mention the media, but at least we'll be able
to write to any new LTO-3 tapes that we still have using the LTO-4 drives.

I'm tempted to stick with Storagetek since we've had a very good experience with them, but I am open to suggestions.

If anyone is using a newer STK library, I would be curious to learn what you're using.

Thanks, and I would appreciate any advice or suggestions.

George

--
George Sinclair - NOAA/NESDIS/National Oceanographic Data Center
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