gigaring sws i o status
play

GigaRing SWS & I/O Status Paul Falde Engineering Manager - I/O - PowerPoint PPT Presentation

GigaRing SWS & I/O Status Paul Falde Engineering Manager - I/O Software Development SGI 41st Cray User Group Conference Minneapolis, Minnesota GigaRing SWS & I/O Status Content SWS-ION Releases & Schedules SWS-ION 4.0


  1. GigaRing SWS & I/O Status Paul Falde Engineering Manager - I/O Software Development SGI 41st Cray User Group Conference Minneapolis, Minnesota

  2. GigaRing SWS & I/O Status Content ¥ SWS-ION Releases & Schedules ¥ SWS-ION 4.0 Features ¥ SWS-ION 5.0 Features ¥ SWS-ION 5.1 Features ¥ Future SWS-ION Features ¥ I/O Enhancements in UNICOS and UNICOS/mk 2

  3. SWS-ION Releases & Schedules Timeline ¥ SWS-ION 4.0 - February 4, 1999 ¥ SWS-ION 5.0 - June 28, 1999 ¥ SWS-ION 5.1 - 3rd or 4th Quarter, 1999 ¥ SWS-ION 5.2 - not scheduled yet 3

  4. SWS-ION 4.0 Features Cray SV1 System ¥ Cray SV1 Support Ð SV1 boot sequence Ð Revision A support ¥ HPN performance improvement (~10%) ¥ Display failing FCN RAID-3 spindle ¥ dring only logs folds/masks when necessary ¥ GigaRing proxy priority changed 4

  5. SWS-ION 5.0 Features SWS O2 & SV1 SuperCluster Support ¥ SWS O2 Introduction Ð Only supports J90 & SV1 systems Ð SV1 SuperCluster supported only by O2 ¥ SV1 SuperCluster Ð Enhance GigaRing recovery Ð Dring locking Ð Shared GigaRing resiliency ¥ FCN Initial Install Support ¥ Solaris Y2K Compliance 5

  6. SWS-ION 5.1 Features Auto-Recovery ¥ Auto-Recovery Ð SV1 SuperCluster resiliency Ð Unattended operation Ð Mike WolfÕs talk: 9:00 Thursday in Ballroom 3 ¥ Investigating FCN performance enhancement with write-cache ¥ Reduce duplicate console messages ¥ Possibly others 6

  7. Future SWS-ION Features Considering ¥ Shared GigaRing document ¥ Future disk technology Ð 36 GByte / 10K RPM drives ¥ SV1 dumpsys enhancements ¥ Improve networking performance 7

  8. I/O Enhancements in OS UNICOS ¥ Command for initializing mainframe GigaRing connections ¥ Multithreaded network interrupts Ð 9 - 50% performance improvement for multiple network interfaces ¥ Reset GigaRing connection on panic (next slide) UNICOS and UNICOS/mk ¥ BDS block size option on cp(1) 8

  9. Shared GigaRing Example J90 T3E ION GigaRing 9

  10. I/O Enhancements in OS Considering ¥ BDS 2.1 server ¥ Improve host to host performance ¥ Improve NFS performance 10

  11. Summary Driven by: ¥ New hardware ¥ Resiliency ¥ Performance ¥ Ease of use 11

Download Presentation
Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend


More recommend