Networker

Re: [Networker] Qualstar

2010-10-08 17:04:47
Subject: Re: [Networker] Qualstar
From: "Werth, Dave" <dave.werth AT GARMIN DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Fri, 8 Oct 2010 14:03:41 -0700
George,

Based on the price in the quote I have it looks like they may be a better than 
average value for the money.  But I don't have any actual experience with them 
yet so YMMV.

Dave

Dave Werth
Garmin AT, Inc.
Salem, Oregon

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On 
Behalf Of George Sinclair
Sent: Friday, October 08, 2010 1:49 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] Qualstar

STANLEY R. HORWITZ wrote:
> On Oct 8, 2010, at 3:06 PM, Francis Swasey wrote:
>
>> Hey, absolutely.
>>
>> I love the Qualstar LTO tape library we have.  It's an XLS 832700.  We have 
>> the one LRM and two
>> MEM1's.  When we first got it in 2007, we didn't know whether to trust the 
>> library or NetWorker
>> about whether a tape was really in the drive, so we took the cartridge slots 
>> off the doors so
>> we could see into the LRM and visually check (without opening the door) what 
>> the drive status
>> was.  That has been helpful, but the XLS has never lied to me about the 
>> status of a tape drive
>> (while NetWorker is periodically confused).  Anyway, we have capacity for 
>> 2,505 cartridges.
>>
>> The tape library is rock solid, and after much work with EMC, NetWorker 
>> solidly supports the
>> library now.
>
> Same here. For the price Qualstar gets for its tape libraries, they are hard 
> to beat. I have a Qualstar 88132 model with 4 LTO-3 tape drives. It is a real 
> workhorse. We back up roughly 250 clients to it nightly with the four drives 
> connected to a Dell 2950 server running Red Hat Linux AS 4 and NetWorker 
> 7.5.3. Those four tape drives routinely see 80-90MB/sec throughput, which is 
> pretty good considering we only have two network drops on that server and no 
> disk-to-disk-to-tape involved.

Stan, where you say "for the price", do you mean that the prices are
reasonable, or minimally competitive, for what you're getting, or the
price is on the higher end but well worth the extra?

Also, what all (say, in a nutshell) was involved in getting it to work
with NW? I thought NW had long supported Qualstar, but maybe your's was
a newer model they'd not yet tested? Just curious.

>
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--
George Sinclair
Voice: (301) 713-3284 x210
- The preceding message is personal and does not reflect any official or
unofficial position of the United States Department of Commerce -
- Any opinions expressed in this message are NOT those of the US Govt. -

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