Longer MB units

Message boards : Number crunching : Longer MB units
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-ShEm-
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Message 890509 - Posted: 2 May 2009, 12:19:21 UTC - in response to Message 890491.  

If other people like the idea of this information can you please click the + at the bottom of my post.

I'd like to, but I don't see any + (nor -) here at S@h, only a !(red X) and I don't think you want me to click that ;)
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Josef W. Segur
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Message 890643 - Posted: 2 May 2009, 19:32:22 UTC

Some random thoughts stirred by previous posts...

When a box of hard drives with data arrives from Arecibo, as time is available the data is pulled off and resaved as tape size files. Once all the drives have been processed, they can be sent back to Arecibo. Matt has spoken about the pipeline several times, the step of actually mounting the drives can't be automated. As the files are created, while there's space in a local storage array they'll be put there and probably automatically added to the list of available 'tapes' on the server status page. When storage is getting tight the created files can be transferred to the HPSS down the hill at LLBNL, assuming there's enough bandwidth available to send them. At other times, if the files available for splitting seem likely to run out some data can be brought back from the HPSS.

IMO the list of 'tapes' on the server status page is enough, it gives a fair picture of what's coming in the next week or so. My guess is a new mb_splitter process chooses the next 'tape' file in the order they were added to storage, if so I'd prefer the status page list in the same order.

There has been a recent problem recording data, a new SATA card was sent to Arecibo then a different cable. I haven't tried to infer more detail from Matt's posts, but it's quite possible some of the A2030 observations haven't been recorded.
                                                         Joe
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Message 891076 - Posted: 4 May 2009, 3:52:48 UTC - in response to Message 890643.  
Last modified: 4 May 2009, 3:54:20 UTC


I'd prefer the status page list in the same order.

I agree completely
I might pm Matt and ask him all I'd like to really see is a inter cater as to when new tapes are added and maybe started. I think i' the only one that wants this information. If other people like the idea of this information can you please click the + at the bottom of my post. Thank you in advance.
I'd like to, but I don't see any + (nor -) here at S@h, only a !(red X) and I don't think you want me to click that
You are correct there is no + or - they use that system over in the Rosetta forum. I have decided that I'm not going to connect Matt over this issue. But by all means if you strongly about the issue I will most certainly back you just pm me.
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Message boards : Number crunching : Longer MB units


 
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