Re: [gpfsug-discuss] 5.1.2.2 changes

2022-01-17 Thread Peter Childs
https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_apars_512x.html Is normally the best place to look for changes in PTF releases. Peter Childs ITS Research Storage Queen Mary University Of London From: gpfsug-discuss-boun

Re: [gpfsug-discuss] [EXTERNAL] Re: Handling bad file names in policies?

2021-10-11 Thread Peter Childs
interesting with it. Peter Childs From: gpfsug-discuss-boun...@spectrumscale.org on behalf of Simon Thompson Sent: Monday, October 11, 2021 9:35 AM To: gpfsug main discussion list Subject: [EXTERNAL] Re: [gpfsug-discuss] Handling bad file names in policies

Re: [gpfsug-discuss] Adding client nodes using a shared NFS root image.

2021-02-01 Thread Peter Childs
nodes are stateless, but is not possible when your nodes are stateless. My understanding is that xcat should have a hook to do this like the pre-scripts to run one at the end but I'm yet to find it. Peter Childs From: gpfsug-discuss-boun

[gpfsug-discuss] Odd behavior using sudo for mmchconfig

2019-06-12 Thread Peter Childs
this issue, but I feel community feed back might get me further to start with. Thanks -- Peter Childs ITS Research Storage Queen Mary, University of London ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailma

Re: [gpfsug-discuss] Metadata space usage NFS4 vs POSIX ACL

2019-05-07 Thread Peter Childs
t I'm wrong, as changing our acl setting is going to be a pain. as while we don't make a lot of use of them we make enough that having to use nfs4 acls all the time is going to be a pain. -- Peter Childs ITS Research Storage Queen Mary, University of London ___

Re: [gpfsug-discuss] mmlsquota output

2019-03-27 Thread Peter Childs
yes it does use the -Y flag all the time. I'd like to share the code, once its gone though some internal code review.. With reference to the other post, I will I think raise a PMR for this as it does not look like mmlsquota is working as documented. Thanks Peter Childs > > Rob > &

[gpfsug-discuss] mmlsquota output

2019-03-25 Thread Peter Childs
ally a bug, that ought to be fixed. Long story is that I'm working on rewriting our quota report util that used be a long bash/awk script into a more easy to understand python script, and I want to get the user quota info for just one fileset. Thanks in advance. -- Peter Childs ITS Research Storage

Re: [gpfsug-discuss] Get list of filesets _without_ running mmlsfileset?

2019-01-11 Thread Peter Childs
in.buterba...@vanderbilt.edu<mailto:kevin.buterba...@vanderbilt.edu> - (615)875-9633 ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss -- Peter Childs ITS Research Storage Queen Mary, Univ

Re: [gpfsug-discuss] Can't take snapshots while re-striping

2018-10-18 Thread Peter Childs
ts so as Sven says the buffers are getting dirty too quickly. I have thought before that making snapshot taking more reliable would be nice, I'd not really thought it would be possible, I guess its time to write another RFE. Peter Childs Research Storage ITS Research Infrastructure Qu

[gpfsug-discuss] Can't take snapshots while re-striping

2018-10-18 Thread Peter Childs
kind of like balance. Thanks -- Peter Childs ITS Research Storage Queen Mary, University of London ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss

Re: [gpfsug-discuss] control which hosts become token manager

2018-07-24 Thread Peter Childs
ll currently the manager it needs to be told to stop. >From experience it's also worth having different file system managers on >different nodes, if at all possible. But that's just a guess without seeing the output of mmlsmgr. Peter Childs Research Storage ITS Research and Teaching Support Quee

Re: [gpfsug-discuss] Same file opened by many nodes / processes

2018-07-23 Thread Peter Childs
. Thanks in advance Peter Childs On Mon, 23 Jul 2018 at 20:37, Peter Childs mailto:p.chi...@qmul.ac.uk>> wrote: On Mon, 2018-07-23 at 00:51 +1200, José Filipe Higino wrote: Hi there, Have you been able to create a test case (replicate the problem)? Can you tell us a bit more ab

Re: [gpfsug-discuss] Same file opened by many nodes / processes

2018-07-23 Thread Peter Childs
ve 5Gbit I suspect due to Ethernet back off due to the mixed speeds. While we do have some IB we don't currently run our storage over it. Thanks in advance Peter Childs Sorry if I am un-announced here for the first time. But I would like to help if I can. Jose Higino, from NIWA New Zeala

Re: [gpfsug-discuss] Same file opened by many nodes / processes

2018-07-22 Thread Peter Childs
and I can't see that issue currently. Thanks for the help. Peter Childs Research Storage ITS Research and Teaching Support Queen Mary, University of London Yaron Daniel wrote Hi Do u run mmbackup on snapshot , which is read only ? Regards Yaron

Re: [gpfsug-discuss] Same file opened by many nodes / processes

2018-07-10 Thread Peter Childs
onnections (and 40GB to the back of the storage. We're currently running 4.2.3-8 Peter Childs Research Storage ITS Research and Teaching Support Queen Mary, University of London IBM Spectrum Scale wrote What is in the dump that indicates the metanode is moving around? Could you pleas

[gpfsug-discuss] Lroc on NVME

2018-06-12 Thread Peter Childs
le 4.2.3-8 currently. Thanks in advance. -- Peter Childs ITS Research Storage Queen Mary, University of London ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss

Re: [gpfsug-discuss] RHEL 7.5 and kernel 3.10.0-862

2018-06-04 Thread Peter Childs
found to actually work. (now that's an interesting spin on a disclaimer) Peter Childs Research Storage ITS Research and Teaching Support Queen Mary, University of London Simon Thompson (IT Research Support) wrote Thanks Felipe, Is it safe to assume that there is intent* for RHEL 7.5

Re: [gpfsug-discuss] How to clear explicitly set quotas

2018-05-22 Thread Peter Childs
f its syntax matched that for mmsetquota and mmlsquota. or that the reset to default quota was added to mmsetquota and mmedquota was left for editing quotas visually in an editor. Regards Peter Childs On Tue, 2018-05-22 at 16:01 +0800, IBM Spectrum Scale wrote: Hi Kuei-Yu, Should we

Re: [gpfsug-discuss] Gpfs Memory Usaage Keeps going up and we don't know why.

2017-07-24 Thread Peter Childs
with network connection drops. On Monday, July 24, 2017 5:29 AM, Peter Childs <p.chi...@qmul.ac.uk> wrote: We have two GPFS clusters. One is fairly old and running 4.2.1-2 and non CCR and the nodes run fine using up about 1.5G of memory and is consistent (GPFS pagepool is set to 1G, so t

Re: [gpfsug-discuss] Gpfs Memory Usaage Keeps going up and we don't know why.

2017-07-24 Thread Peter Childs
as there was a PTF to fix a memory leak that occurred in tscomm associated with network connection drops. On Monday, July 24, 2017 5:29 AM, Peter Childs <p.chi...@qmul.ac.uk> wrote: We have two GPFS clusters. One is fairly old and running 4.2.1-2 and non CCR and the no

Re: [gpfsug-discuss] What is an independent fileset? was: mmbackup with fileset : scope errors

2017-05-18 Thread Peter Childs
As I understand it, mmbackup calls mmapplypolicy so this stands for mmapplypolicy too. mmapplypolicy scans the metadata inodes (file) as requested depending on the query supplied. You can ask mmapplypolicy to scan a fileset, inode space or filesystem. If scanning a fileset it scans the

Re: [gpfsug-discuss] AFM Prefetch Missing Files

2017-05-18 Thread Peter Childs
should catch everything, But I'm wondering if anyone else has noticed any other things afmctl prefetch misses. Thanks in advance Peter Childs On 16/05/17 10:40, Peter Childs wrote: I know it was said at the User group meeting last week that older versions of afm prefetch miss empty files and

[gpfsug-discuss] AFM Prefetch Missing Files

2017-05-16 Thread Peter Childs
o be aware of? We are using 4.2.1-3 and prefetch was done using "mmafmctl prefetch" using a gpfs policy to collect the list, we are using GPFS Multi-cluster to connect the two filesystems not NFS Thanks in advanced Peter Childs __

Re: [gpfsug-discuss] Spectrum Scale Slow to create directories

2017-04-20 Thread Peter Childs
Simon, We've managed to resolve this issue by switching off quota's and switching them back on again and rebuilding the quota file. Can I check if you run quota's on your cluster. See you 2 weeks in Manchester Thanks in advance. Peter Childs Research Storage Expert ITS Research

Re: [gpfsug-discuss] Spectrum Scale Slow to create directories

2017-04-13 Thread Peter Childs
. Peter Childs ITS Research Infrastructure Queen Mary, University of London From: gpfsug-discuss-boun...@spectrumscale.org <gpfsug-discuss-boun...@spectrumscale.org> on behalf of Peter Childs <p.chi...@qmul.ac.uk> Sent: Tuesday, April 11, 201

Re: [gpfsug-discuss] Spectrum Scale Slow to create directories

2017-04-11 Thread Peter Childs
the standard trouble shouting guides and got nowhere hence why I asked. But another set of slides always helps. Thank-you for the help, still head scratching Which only makes the issue more random. Peter Childs Research Storage ITS Research and Teaching Support Queen Mary, University of London

Re: [gpfsug-discuss] mmbackup logging issue

2017-03-03 Thread Peter Childs
That's basically what we did, They are only environment variables, so if you not using bash to call mmbackup you will need to change the lines accordingly. What they do is in the manual the issue is the default changed between versions. Peter Childs ITS Research Infrastructure Queen Mary

Re: [gpfsug-discuss] mmbackup logging issue

2017-03-02 Thread Peter Childs
by changing MMBACKUP_PROGRESS_INTERVAL flexable but the default is different;) Peter Childs ITS Research Infrastructure Queen Mary, University of London From: gpfsug-discuss-boun...@spectrumscale.org <gpfsug-discuss-boun...@spectrumscale.org> on

Re: [gpfsug-discuss] AFM OpenFiles

2017-02-09 Thread Peter Childs
4.2.1.1 or CentOs 7. So that might account for it. Thanks Peter Childs From: gpfsug-discuss-boun...@spectrumscale.org <gpfsug-discuss-boun...@spectrumscale.org> on behalf of Venkateswara R Puvvada <vpuvv...@in.ibm.com> Sent: Thursday, Febr

[gpfsug-discuss] AFM OpenFiles

2017-02-09 Thread Peter Childs
Does anyone know of any setting that may help this or what is wrong? Thanks Peter Childs ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss

Re: [gpfsug-discuss] AFM Migration Issue

2017-01-09 Thread Peter Childs
trying to work out if empty directories or those containing only empty directories get migrated correctly as you can't list them in the mmafmctl prefetch statement. (If you try (using DIRECTORIES_PLUS) they through errors) I am very interested in the solution to this issue. Peter Childs Queen Mary

Re: [gpfsug-discuss] LROC

2016-12-21 Thread Peter Childs
So your saying maxStatCache should be raised on LROC enabled nodes only as its the only place under Linux its used and should be set low on non-LROC enabled nodes. Fine just good to know, nice and easy now with nodeclasses Peter Childs From

Re: [gpfsug-discuss] LROC

2016-12-21 Thread Peter Childs
My understanding was the maxStatCache was only used on AIX and should be set low on Linux, as raising it did't help and wasted resources. Are we saying that LROC now uses it and setting it low if you raise maxFilesToCache under linux is no longer the advice. Peter Childs

Re: [gpfsug-discuss] Using AFM to migrate files. (Peter Childs) (Peter Childs)

2016-10-21 Thread Peter Childs
ile sets. The > lack of stability under these large scans was the real failing for us. Interesting. > > > Bill Pappas > > 901-619-0585 > > bpap...@dstonline.com<mailto:bpap...@dstonline.com> > > Peter Childs Research Storage ITS Research and Teaching

Re: [gpfsug-discuss] Using AFM to migrate files.

2016-10-20 Thread Peter Childs
Yes but not a great deal, Peter Childs Research Storage Expert ITS Research Infrastructure Queen Mary, University of London From: gpfsug-discuss-boun...@spectrumscale.org <gpfsug-discuss-boun...@spectrumscale.org> on behalf of Yaron Dani

Re: [gpfsug-discuss] Hardware refresh

2016-10-11 Thread Peter Childs
cluster. But I'm interested to hear otherwise, as I'm about to embark on this myself. I note you can switch an old cluster but need to shutdown to do so. Peter Childs Research Storage ITS Research and Teaching Support Queen Mary, University of London Marc A Kaplan wrote New FS? Yes

Re: [gpfsug-discuss] GPFS Upgrade 3.5 -> 4.1

2016-10-10 Thread Peter Childs
ing actually changes. (new ones are fine) increasing the version number makes this possible but it does not actually do it, as doing it would mean walking every directory and updating stuff. Peter Childs Research Storage ITS Research and Teaching Support Queen Mary, University of London Y

[gpfsug-discuss] OOM Killer killing off GPFS 3.5

2016-05-24 Thread Peter Childs
run the script on all nodes. Peter Childs ITS Research Infrastructure Queen Mary, University of London ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss