Supercomputer: Partial hard disk inventory
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Gregory Walker
Sep 6, 2012, 10:05:32 PM9/6/12
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I have
looked through 2 boxes of hard drives from the supercomputer
move two weekends ago. Below is a table with the count of
drives in those boxes, by manufacturer and size.
Some of the drives were labelled "RH by RLX" which I interpret as "Red Hat by RLX." I tested the "RH by RLX" drives and found that eleven (11) of them have readable file systems on them. The next step is to install these 11 drives in supercomputer nodes and see if we can boot off of them. Of course, we will eventually want to test ALL the hard drives.
Regards,
Greg Walker
Some of the drives were labelled "RH by RLX" which I interpret as "Red Hat by RLX." I tested the "RH by RLX" drives and found that eleven (11) of them have readable file systems on them. The next step is to install these 11 drives in supercomputer nodes and see if we can boot off of them. Of course, we will eventually want to test ALL the hard drives.
Regards,
Greg Walker
| Tx/Rx Supercomputer Hard Disk Inventory | ||||||
| Size | ||||||
| Disk Type | 10 G | 20G | 30 G | 40 G | 60 G | Total |
| IBM Travelstar | 50 | 12 | 25 | 9 | 15 | 111 |
| Fujitsu | 2 | 5 | 0 | 15 | 3 | 25 |
| Total | 52 | 17 | 25 | 24 | 18 | 136 |
Patrick Wheeler
Sep 7, 2012, 3:08:55 PM9/7/12
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It will be nice to have more local storage on some nodes. What other advantages will this provide? Is there an advantage from booting off of a local disk rather then remote boot.
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Patrick Wheeler
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Patrick....@rice.edu
Patrick...@colorado.edu
Patrick
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Patrick Wheeler
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Gregory Walker
Sep 8, 2012, 11:57:36 AM9/8/12
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I see two general advantages:
1. Scalability and robustness:
reduce load on network and server, and remove single point of failure (server).
2. Standardization:
many cluster configurations are built around self-booting nodes, for example, OSCAR, Rocks and HAL (High-Availability Linux).
More particular reasons for working on a local boot:
1. MPI is broken in the current configuration. I suspect it is not compatible with a shared root partition.
2. The effort will help us understand the RLX hardware and software. We can learn how to tailor our installation for the RLX boards.
3. It will expand our options for configuring the cluster. I suspect we will have enough resources for several independent clusters configured for specific purposes.
4. It is fun!
Cheers,
Greg Walker
1. Scalability and robustness:
reduce load on network and server, and remove single point of failure (server).
2. Standardization:
many cluster configurations are built around self-booting nodes, for example, OSCAR, Rocks and HAL (High-Availability Linux).
More particular reasons for working on a local boot:
1. MPI is broken in the current configuration. I suspect it is not compatible with a shared root partition.
2. The effort will help us understand the RLX hardware and software. We can learn how to tailor our installation for the RLX boards.
3. It will expand our options for configuring the cluster. I suspect we will have enough resources for several independent clusters configured for specific purposes.
4. It is fun!
Cheers,
Greg Walker
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