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  • == Grid Storage == ...torage elements" (or SEs), which provide a grid interface to quite diverse storage systems. SEs historically provide ''control'' interfaces like [http://www.
    6 KB (896 words) - 15:58, 5 November 2018
  • The aim of this page is to give the GridPP storage group's guidance on the use of space tokens - particularly for non-LHC VOs. * Use SE for temporary storage of job output
    2 KB (319 words) - 11:21, 4 July 2014
  • |Storage type and version |Moving to storage-less
    3 KB (431 words) - 18:09, 6 January 2020

Page text matches

  • * [[Grid Storage]]
    8 KB (1,126 words) - 11:13, 23 August 2019
  • '''Storage''' * [http://tinyurl.com/kqqx2vd ATLAS UK storage accounting]
    9 KB (1,381 words) - 08:41, 7 August 2019
  • ...contain the incident. For instance by unplugging all connections (network, storage, etc) to the host.
    5 KB (842 words) - 16:10, 5 June 2018
  • * Hardware requirements - memory size, disk space etc, types of storage required (working repositories, archives, databases) ...ese are grid-based, such as file catalogues, resource brokers, compute and storage elements. There may be additional software required by the VO, and there wi
    9 KB (1,532 words) - 16:40, 5 November 2018
  • |All services are dual stack, including in production: Args, DPM storage, Centos7 BDII, CEs (Arc/HTC) and all worker nodes. We have an experimental |Dual-stack PerfSonar. No storage at site.
    14 KB (2,144 words) - 10:06, 16 August 2019
  • * DPM Workshop last week - come to this week's storage meeting for an in-depth look. ...pened with immediate effect he will still be available for ad-hoc/informal storage support.
    41 KB (5,018 words) - 14:09, 30 October 2019
  • * 17/03. Alessandra mentions ATLAS storage clean up. * "GEN Scratch" storage in Castor will be decommissioned.
    40 KB (4,974 words) - 12:18, 11 April 2016
  • ... problem that sometimes occurs when these (failed) writes are attempted to storage at other sites. A recent modification has improved, but not completed fixed | Downtime on RAL Storage for security updates
    13 KB (1,356 words) - 09:59, 16 March 2016
  • ... problem that sometimes occurs when these (failed) writes are attempted to storage at other sites. A recent modification has improved, but not completed fixed
    11 KB (1,098 words) - 09:42, 17 February 2016
  • ... problem that sometimes occurs when these (failed) writes are attempted to storage at other sites. A recent modification has improved, but not completed fixed ...ork reconfiguration that affects the external data path to/from the Castor storage.
    13 KB (1,411 words) - 08:55, 10 December 2015
  • | BDII and SRM publish inconsistent storage capacity numbers
    13 KB (1,342 words) - 16:20, 25 June 2014
  • Inconsistant published BDII/SRM storage numbers. Has been discussed recently in the Ops meeting, a conversation is BDII/SRM storage capacity mismatch. At last word Brian had submitted a request to Castor to
    184 KB (30,332 words) - 17:18, 16 December 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    42 KB (5,176 words) - 11:12, 17 March 2014
  • * Various Tier-0/1 storage updates - see table in minutes <!-- ****************Start Storage & DM****************** ----->
    46 KB (5,930 words) - 18:40, 28 April 2014
  • |<span style="color:black">CEs and WNs on C7 since Jan 2018. Storage being moved to C7. All other services on C7</span>
    11 KB (1,661 words) - 12:47, 21 June 2019
  • == Grid Storage == ...torage elements" (or SEs), which provide a grid interface to quite diverse storage systems. SEs historically provide ''control'' interfaces like [http://www.
    6 KB (896 words) - 15:58, 5 November 2018
  • ...oblems - though it still isn't supported for gridftp yet. xrootd access to storage doesn't currently support ARGUS.
    6 KB (889 words) - 15:35, 29 October 2014
  • external resources (for example a storage element), and the hardware temporary storage), and this is the limiting factor in the execution
    5 KB (905 words) - 12:24, 18 March 2014
  • * ACTION: set up table for storage to track recommendations. * ACTION: Request for sites to publish storage accounting.
    3 KB (389 words) - 14:55, 10 June 2019
  • == Heirarchical Storage Manager (HSM) == ..., this functionality can be useful in order to optimally utilise available storage resources.
    5 KB (709 words) - 16:59, 3 January 2019
  • | BDII vs SRM inconsistent storage capacity numbers
    13 KB (1,367 words) - 13:30, 10 September 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    43 KB (5,533 words) - 08:50, 18 August 2014
  • ... problem that sometimes occurs when these (failed) writes are attempted to storage at other sites. | Outage of Castor Storage System for patching
    14 KB (1,476 words) - 14:02, 4 January 2017
  • ...30116-01 || Medium || T2K || Alastair, Shaun || Talk to Jonathan about T2K storage. || Done || 2013-01-23 ...130116-01 || Medium || T2K || Alastair || Write document: Idiot's guide to storage at RAL for non-LHC VOs. || Done. || 2013-01-30
    2 KB (219 words) - 09:28, 20 May 2015
  • ... problem that sometimes occurs when these (failed) writes are attempted to storage at other sites. A recent modification has improved, but not completed fixed
    13 KB (1,364 words) - 12:54, 20 January 2016
  • |For sites providing an SE, minimal required storage space is 1TB. No permanent storage needed but transient and durable.
    56 KB (9,461 words) - 17:02, 7 April 2020
  • ... pool contiues to be increased. This is in preparation for the increase in storage capacity when new hardware is added. | SuperB no longer supported on Castor storage. Retiring endpoint.
    18 KB (1,971 words) - 14:03, 26 July 2017
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    46 KB (5,846 words) - 07:57, 9 March 2015
  • ==Storage== *In common with LT2 policy, the SE storage is not backed up and should be treated as &quot;volatile&quot; (this should
    40 KB (6,398 words) - 09:45, 8 November 2017
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    48 KB (6,293 words) - 07:35, 31 March 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    48 KB (6,293 words) - 07:36, 31 March 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    45 KB (5,701 words) - 09:21, 7 April 2014
  • * Various Tier-0/1 storage updates - see table in minutes <!-- ****************Start Storage & DM****************** ----->
    52 KB (6,980 words) - 08:19, 15 April 2014
  • * Various Tier-0/1 storage updates - see table in minutes <!-- ****************Start Storage & DM****************** ----->
    45 KB (5,796 words) - 22:44, 21 April 2014
  • * The draining of old storage hardware is now proceeding overnight without incident.
    1 KB (208 words) - 13:02, 25 April 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    14 KB (1,492 words) - 13:08, 10 December 2014
  • ... your CVMFS repository. Any data you need to process should be uploaded to Storage Elements and read during grid jobs as usual. ... CERN@school Timepix data, either uploaded with the job or retrived from a Storage Element (SE);
    6 KB (1,020 words) - 13:35, 2 December 2015
  • * Various Tier-0/1 storage updates - see table in minutes <!-- ****************Start Storage & DM****************** ----->
    41 KB (5,106 words) - 19:52, 5 May 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    37 KB (4,615 words) - 08:50, 12 May 2014
  • | For limited services, not main storage yet | No. Storage has plenty, a lot of worker nodes use private networks
    21 KB (3,336 words) - 09:51, 19 September 2017
  • ...place with an aim to ensure consistent, complete and correct publishing of storage systems to GLUE2, in particular relating to capacity publishing. <!-- ****************Start Storage & DM****************** ----->
    46 KB (6,091 words) - 11:47, 19 May 2014
  • | BDII and SRM publish inconsistent storage capacity numbers
    14 KB (1,452 words) - 12:18, 29 May 2014
  • ... batch systems. Wednesday covers IPv6, security and benchmarking. Thursday storage, monitoring and infrastructure deployment. Friday is cloud day. <!-- ****************Start Storage & DM****************** ----->
    41 KB (5,148 words) - 09:38, 2 June 2014
  • ... problem that sometimes occurs when these (failed) writes are attempted to storage at other sites. A recent modification has improved, but not completed fixed ...ork reconfiguration that affects the external data path to/from the Castor storage.
    13 KB (1,425 words) - 11:34, 2 December 2015
  • ... batch systems. Wednesday covers IPv6, security and benchmarking. Thursday storage, monitoring and infrastructure deployment. Friday is cloud day. <!-- ****************Start Storage & DM****************** ----->
    41 KB (5,148 words) - 07:10, 9 June 2014
  • |Stopping work on new CE around upgrade of Castor Storage System. | BDII and SRM publish inconsistent storage capacity numbers
    15 KB (1,592 words) - 12:26, 11 June 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    42 KB (5,185 words) - 11:36, 2 March 2015
  • | BDII and SRM publish inconsistent storage capacity numbers
    12 KB (1,236 words) - 13:13, 18 June 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    39 KB (4,952 words) - 19:40, 13 June 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    37 KB (4,591 words) - 09:54, 23 June 2014
  • * Federated access to storage via webdav may be possible in the future. RAW data: copy at CERN (Tier-0), 2 copies at Tier-1 sites. Custodial storage on tape (but may have disk copy too).
    3 KB (497 words) - 17:18, 8 July 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    35 KB (4,220 words) - 09:11, 30 June 2014
  • | BDII and SRM publish inconsistent storage capacity numbers
    12 KB (1,212 words) - 10:15, 2 July 2014
  • = Federated storage overview= s= Federated storage support =
    5 KB (692 words) - 08:28, 29 April 2016
  • The aim of this page is to give the GridPP storage group's guidance on the use of space tokens - particularly for non-LHC VOs. * Use SE for temporary storage of job output
    2 KB (319 words) - 11:21, 4 July 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    43 KB (5,584 words) - 12:52, 7 July 2014
  • | Outage of some parts of the Castor storage while disk servers are moved to make space for new equipment.
    12 KB (1,241 words) - 14:07, 25 February 2015
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    39 KB (4,936 words) - 09:03, 21 July 2014
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    39 KB (4,833 words) - 10:09, 28 July 2014
  • ...rage servers over the network and minimise the number of IO operations the storage has to process. ...is a multiple of the stripe/readahead size on the storage server eg if the storage system reads in at least 256kB for each request it is more efficient to mak
    13 KB (2,180 words) - 16:50, 3 January 2019
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    42 KB (5,191 words) - 14:37, 2 August 2014
  • There are lots of storage experts in the UK who may be able to help with this procedure. You should c If you have suffered file loss then it would be worthwhile reviewing your storage hardware/policies/procedures to see if furture losses can be avoided.
    5 KB (863 words) - 16:41, 3 January 2019
  • ...c: rm -rf bashrc control cshrc data DIRAC mysql runit sbin scripts startup storage storageElement
    12 KB (1,887 words) - 15:41, 16 April 2019
  • ...ons, we await information as to the outcome. Oct: Involvement in security, storage and ops groups. | Gridppnagios is using storage-monit.physics.ox.ac.uk as mail storage replication server and dgc-grid-38.brunel.ac.uk and se01.dur.scotgrid.ac.uk
    33 KB (5,297 words) - 10:13, 15 November 2017
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    41 KB (5,255 words) - 08:52, 18 August 2014
  • ... a controller node, one compute node and storage node which provides block storage using OpenStack Cinder.
    3 KB (486 words) - 12:27, 11 December 2019
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    42 KB (5,304 words) - 10:39, 25 August 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    12 KB (1,238 words) - 08:50, 11 November 2014
  • ...ogf.org/Public_Comment_Docs/Documents/2012-02/EMI-StAR-OGF-info-doc-v2.pdf Storage Accounting Record]. EGI has come up with a specification for how these shou
    2 KB (344 words) - 10:57, 31 December 2018
  • <!-- ****************Start Storage & DM****************** -----> ...-top: 0.1em; padding-bottom: 0.1em;" | Storage & Data Management - [http://storage.esc.rl.ac.uk/weekly/ Agendas/Minutes]
    42 KB (5,358 words) - 10:48, 1 September 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    13 KB (1,342 words) - 11:16, 3 September 2014
  • ...ins to be able to relate network activity to a user DN (in the same way as storage or CPU currently is attributed).
    6 KB (877 words) - 15:21, 5 January 2018
  • ...orage (Castor) services were unaffected. The Tier1 site (apart from Castor storage) was declared down in the GOC DB for 5.5 hours from 09:00 on Saturday 30th
    10 KB (1,628 words) - 09:31, 14 November 2014
  • ...orage, as long as you only require an outgoing connection. Writing to CERN storage (at least the one available for dteam) fails 4 out of 5 times with a timeou
    8 KB (1,180 words) - 12:27, 1 February 2016
  • * Storage placement - survey TBC. ...normal DQ2 production activity are producing a slightly higher load on the storage of the sites.
    46 KB (6,062 words) - 10:07, 15 September 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    13 KB (1,429 words) - 10:06, 8 October 2014
  • ...51 on 26th June. It then became clear there was a problem with the backend storage of the stratum 1 server, blocking the update. The relevant staff discussed ...o remove some networking bottlenecks and to improve the performance of the storage backend.
    12 KB (1,968 words) - 15:13, 16 September 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    12 KB (1,195 words) - 14:07, 17 September 2014
  • * Storage placement - survey TBC. ...normal DQ2 production activity are producing a slightly higher load on the storage of the sites.
    48 KB (6,422 words) - 08:45, 23 September 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    12 KB (1,304 words) - 10:59, 24 September 2014
  • * Storage placement - survey TBC. ...ident with xrootd fallback test on Sep 16. Want to close 'unknowns' in the storage accounting. Check out the [http://dashb-wlcg-transfers.cern.ch/ui/# AAA pag
    49 KB (6,449 words) - 10:22, 29 September 2014
  • [http://storm.forge.cnaf.infn.it/home StoRM] is a disk based storage system with a [http://sdm.lbl.gov/srm-wg/index.html SRM] interface, develop To limit writing to certain storage areas to only users with a production role, the following is used (note atl
    12 KB (1,735 words) - 09:33, 5 July 2017
  • * Ivan: Any experience with adding storage to Fujitsu boxes? * New capacity hardware has been delivered. (Storage delivered, CPU in process of being delivered).
    42 KB (5,079 words) - 18:37, 19 March 2017
  • - Sensible paths on storage
    2 KB (375 words) - 11:54, 6 February 2015
  • ...ission system picks up a random WMS from a configured list. A dedicated SE(storage-monit.physics.ox.ac.uk) hosted at Oxford is used for se-replication test of ...te the same file to a central SE define in regional nagios.For UKI, it is storage-monit.physics.ox.ac.uk but it can be any SE.
    10 KB (1,644 words) - 09:44, 14 June 2018
  • * Storage placement - survey TBC. ...ident with xrootd fallback test on Sep 16. Want to close 'unknowns' in the storage accounting. Check out the [http://dashb-wlcg-transfers.cern.ch/ui/# AAA pag
    41 KB (5,169 words) - 09:22, 6 October 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    15 KB (1,740 words) - 10:50, 15 October 2014
  • * Storage placement - survey TBC. * MW issues: xroot package deployed with ROOT 6 breaks access to dCache storage, affecting LHCb. Fix coming. CREAM, WMS, L&B, UI, WN cannot be installed a
    46 KB (5,940 words) - 04:40, 13 October 2014
  • A single storage node is unlikely to be used on its own as the entire storage system. It is likely to be used as a either one of many disk servers in a s ...is used when deciding on how much memory to have for each host.In general, storage is a heavy I/O activities and will likely require more rather than less mem
    6 KB (928 words) - 16:45, 3 January 2019
  • ...re likely to impact user analysis or prevent the full capacity of your CPU/storage resources from being realised, please mention them here. ...1G ratio in racks) becoming a bottleneck, particular for user analysis and storage.
    17 KB (2,669 words) - 11:14, 1 March 2016
  • ...including a number of different file types for accessing Dirac files, Mass Storage Files (e.g. castor), LCG SE files and Google Drvie files and all can accept
    15 KB (2,621 words) - 14:40, 27 May 2020
  • | BDII vs SRM inconsistent storage capacity numbers
    14 KB (1,556 words) - 13:12, 15 October 2014
  • * Storage accounting
    304 B (36 words) - 16:49, 5 June 2018
  • * Storage placement - survey TBC. * MW issues: xroot package deployed with ROOT 6 breaks access to dCache storage, affecting LHCb. Fix coming. CREAM, WMS, L&B, UI, WN cannot be installed a
    39 KB (4,711 words) - 03:39, 21 October 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    14 KB (1,591 words) - 11:09, 22 October 2014
  • | BDII vs SRM inconsistent storage capacity numbers
    14 KB (1,569 words) - 13:13, 29 October 2014
  • ...otype installation for http access and access federation where 70 % of the storage endpoints are accessible. <!-- ****************Start Storage & DM****************** ----->
    40 KB (4,976 words) - 10:25, 27 October 2014
  • ...otype installation for http access and access federation where 70 % of the storage endpoints are accessible. <!-- ****************Start Storage & DM****************** ----->
    42 KB (5,228 words) - 10:37, 4 November 2014
  • ...sk Pool Manager''' (DPM) is a lightweight solution for disk [[Grid_Storage|storage management]]. If offers the required SRM interfaces, although it is current * [[DPM VO Specific Pools]] - how to stop VOs from filling all your storage space.
    5 KB (882 words) - 10:18, 1 August 2018
  • ...otype installation for http access and access federation where 70 % of the storage endpoints are accessible. <!-- ****************Start Storage & DM****************** ----->
    48 KB (6,138 words) - 09:19, 10 November 2014

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