User contributions for Niklas Edmundsson
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27 April 2023
- 09:0109:01, 27 April 2023 diff hist +132 Operations Tuning Linux TCP/network tuning - explicitly reference the bandwidth-delay product
30 June 2022
- 07:1007:10, 30 June 2022 diff hist +7 DCache TSM interface Endit configuration - lower multi-tape archiver thresholds to ensure more space for transfer bursts current
15 June 2022
- 07:1207:12, 15 June 2022 diff hist +917 DCache TSM interface Endit configuration - update to match latest archiver refactor
- 06:4706:47, 15 June 2022 diff hist +4 DCache TSM interface Consistently say ENDIT and dCache
- 06:4606:46, 15 June 2022 diff hist 0 DCache TSM interface Consistently say ENDIT and dCache
- 06:4506:45, 15 June 2022 diff hist 0 DCache TSM interface Consistently say ENDIT and dCache
- 06:4406:44, 15 June 2022 diff hist 0 DCache TSM interface Consistently say ENDIT and dCache
- 06:4306:43, 15 June 2022 diff hist 0 DCache TSM interface Consistently say ENDIT and dCache
- 06:4006:40, 15 June 2022 diff hist +67 DCache TSM interface →Concept
- 06:3806:38, 15 June 2022 diff hist −70 DCache TSM interface →Efficient Northern Dcache Interface to TSM
3 March 2022
- 09:0809:08, 3 March 2022 diff hist +16 Running ARC CEs for NeIC Tier 1 Special requirements - update lazytime info
10 February 2022
- 13:0313:03, 10 February 2022 diff hist −1 DCache Pool installation →Pool procurement
- 10:4810:48, 10 February 2022 diff hist +49 Talk:Operations Tuning Linux →Suggestions NE 2022-02-10 current
- 10:4510:45, 10 February 2022 diff hist +309 Talk:Operations Tuning Linux Add NE suggestions
- 10:4110:41, 10 February 2022 diff hist +159 Operations Tuning Linux →disk scheduler
- 10:3710:37, 10 February 2022 diff hist +227 Tier1 Hardware Procurements HPC2N R740xd2 2022 - Update tuning-info to match current reality
- 10:3110:31, 10 February 2022 diff hist +299 Tier1 Hardware Procurements →7 machines for Tier1 delivered January 2022, in service from XXXX 2022.
4 February 2022
- 13:1813:18, 4 February 2022 diff hist +316 DCache Pool Hardware Add more things to look out for wrt storage bandwidth on tape pools
2 February 2022
- 13:0713:07, 2 February 2022 diff hist +1,900 Tier1 Hardware Procurements →HPC2N - Dell R740xd2 - LFF chassis
16 December 2021
- 12:5512:55, 16 December 2021 diff hist +342 DCache TSM interface Add note on ENDIT retriever_remountdelay and small/SSD based tape pools.
15 October 2021
- 13:5913:59, 15 October 2021 diff hist 0 DCache Pool Hardware Disk pool requirements, missed to reduce RAM requirements as per fall AHM 2020 discussion
- 09:4109:41, 15 October 2021 diff hist −1,572 Talk:DCache Pool Hardware 2020-fall conclusions implemented on 2021-10-15
- 09:4009:40, 15 October 2021 diff hist −171 DCache Pool Hardware Implement conclusions from the fall 2020 AHM
12 October 2021
- 07:0507:05, 12 October 2021 diff hist −584 Tier1 Hardware Procurements Remove HPC2N - Dell R730xd - LFF chassis, specs refer to section with removed hardware so incomplete and confusing
4 October 2021
- 08:5308:53, 4 October 2021 diff hist +44 DCache TSM interface Endit configuration - add note on how often to refresh the tape hint file
16 July 2021
2 July 2021
- 13:3213:32, 2 July 2021 diff hist −383 Operations Tuning Linux Remove stale HPC2N tuning experience note.
16 June 2021
- 07:0407:04, 16 June 2021 diff hist +115 DCache TSM interface Revamp tsm server setup text blob into a bullet point list
- 06:5106:51, 16 June 2021 diff hist +454 DCache TSM interface Try to add more info on node/proxynode concept
2 June 2021
- 08:4008:40, 2 June 2021 diff hist +120 DCache TSM interface Move main IBM docco links to top tsm config section, mention that we use TSM as acronym for Spectrum Protect
- 08:3708:37, 2 June 2021 diff hist +39 DCache TSM interface More update of IBM documentation links
10 May 2021
- 10:4910:49, 10 May 2021 diff hist +20 DCache TSM interface Update IBM documentation links to new locations
- 10:4710:47, 10 May 2021 diff hist −95 DCache TSM interface Update IBM documentation links to new locations
19 April 2021
- 07:1107:11, 19 April 2021 diff hist +1,104 Operations Tuning Linux Enable BBR congestion control
2 March 2021
- 20:1020:10, 2 March 2021 diff hist 0 Operations Tuning Linux Fix comment in example. We tune for 64 MiB tcp windows by setting the buffers to appropriate values
8 December 2020
- 16:0716:07, 8 December 2020 diff hist −709 Tier1 Hardware Procurements Decommission HPC2N n-x* R730xd 13 machines for Tier1
1 December 2020
- 07:4907:49, 1 December 2020 diff hist +112 Tier1 Hardware Procurements →8 machines for Tier1 (11 machines for Swestore) delivered October 2020, in service from December 2020.
- 07:4707:47, 1 December 2020 diff hist +58 Tier1 Hardware Procurements →HPC2N - Dell R740xd2 - LFF chassis
30 November 2020
- 10:1710:17, 30 November 2020 diff hist +1,507 Tier1 Hardware Procurements Add new HPC2N Dell R740xd2 dcache disk pools
24 November 2020
- 14:4914:49, 24 November 2020 diff hist +80 NDGF dCache tape pool validation No edit summary current
13 November 2020
- 13:0313:03, 13 November 2020 diff hist +1 Operations Tuning Linux Fix typo
- 13:0313:03, 13 November 2020 diff hist +1,050 Operations Tuning Linux Revise vm.dirty with explanation of how we arrived at these numbers
- 12:4612:46, 13 November 2020 diff hist 0 Operations Tuning Linux Move items so vm.min_free* and vm.dirty* are next to each other
- 12:4312:43, 13 November 2020 diff hist −4 Operations Tuning Linux Fix varying section levels
21 October 2020
- 13:0713:07, 21 October 2020 diff hist +168 Talk:DCache Pool Hardware →nikke opinions (2020-10-16)
- 13:0313:03, 21 October 2020 diff hist +307 Talk:DCache Pool Hardware →nikke opinions (2020-10-16)
16 October 2020
- 09:1309:13, 16 October 2020 diff hist +1,097 Talk:DCache Pool Hardware Add nikke opinions to discuss at 2020 fall AHM
2 September 2020
- 13:3813:38, 2 September 2020 diff hist −188 DCache Pool Hardware Remove old HPC2N price indicator note, this belong on the recent procurements page
20 August 2020
- 07:2707:27, 20 August 2020 diff hist +1,755 DCache TSM interface Add info on how to verify filesystem IO bandwidth
29 May 2020
- 07:3007:30, 29 May 2020 diff hist +44 Operations Tuning Linux Update background with network info