Yahoo changed from "openid 2.0" to "openid connect" (
https://developer.yahoo.com/oauth2/guide/OpenID2/)
I switched to launchpad.net for authentication
regards,
Chris Hunter | chunt...@gmail.com
> Hi Arshad,
>
> I'm at least able to login to Ge
ons manual discusses using LVM snapshots for MDT backup.
https://build.hpdd.intel.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.xhtml#backupandrestore
(assuming you created your MDT as lvm in the beginning...)
good luck,
chris hunter
chunt...@gmail.com
> Hi James,
>
> I'
ll default stripecount
2) use robinhood to periodically generate a list of (inactive) large
files and restripe them with lfs_migrate script.
regards,
chris hunter
chunt...@gmail.com
> Greetings All,
>
> I'm looking for your experience and perhaps some lively discussion
> reg
job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.xhtml#dbdoclet.50438219_44971
FYI, e2fsck is part of e2fsprogs rpm package. You can update e2fsprogs
independently from lustre version.
--
regards,
chris hunter
chunt...@gmail.com
Date: Thu, 5 May 2016 15:37:13 +0200
From: Fernando
blnd-probe
If you want to pursue tuning options, you may wish to look at LUDOC-267
where I listed the (few) presentations about truescale and lustre. Also
LU-3222 is a good reference for mellanox tuning parameters.
regards,
chris hunter
chunt...@gmail.com
Hi,
I have brought up a test system us
Hi,
I saw a presentation that stated to increase osc.max_rpcs_in_flight
setting on a lustre client, you have to increase the o2iblnd
peer_credits parameter. I this correct?
regards,
chris hunter
chunt...@gmail.com
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are larger in second case ?
--
regards,
chris hunter
chunt...@gmail.com
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this warning if you are willing to live with the
directory 16M entry limit. I would _guess_ this is fixed in newer
version of e2fsprogs. However there may not be a way to add LARGEDIR
feature without re-formatting the MDT volume.
regards,
chris hunter
Date: Thu, 28 Jan 2016 16:15:41 -0500 (EST
.
My experience is sometimes the recipe to deactivate an OST works
flawlessly sometimes other times the clients hang on "df" command and
timeout on file access. I guess the order which you run the commands
(ie. client vs server) is important.
regards,
chris hunter
From: Kurt Stros
Another clever approach is to use ost pools to mask out your bad ost.
regards,
chris hunter
On 01/21/2016 05:00 PM, Kurt Strosahl wrote:
Is that in lustre 2.5.3?
the lctl --device=xx deactivate is what sets an ost to read-only mode, it
doesn't permanently disable int in the system... or hav
te.lazystatfs option but it may
do the same thing.
FWIW, an alternative command to deactivate an OST is command "lctl
--device=XX deactivate".
regards,
chris hunter
On 01/21/2016 01:09 PM, Kurt Strosahl wrote:
Good Afternoon Chris,
I have already run the active=0 command on the mds,
re running 2.7+ servers and 2.7+ clients then I believe this is
not an issue (LU-3322).
regards,
chris hunter
chris.hun...@yale.edu
Le 03-12-2015 16:13, Ray Muno a ?crit :
I am trying to set up a test deployment of Lustre 2.7.
I pulled RPMS from
https://urldefense.proofpoint.com/v2/
Thanks goes to sysadmins at Linkoping University (sweden) and llnl. It
took some effort for the involved parties to push out a fix.
* http://lists.openfabrics.org/pipermail/users/2015-March/000453.html
chris hunter
chris.hun...@yale.edu
On 11/18/2015 04:14 PM, Chris Hunter wrote:
Are you
/OFSUG_2015/Friday/friday_02.pdf
FWIW, ko2iblnd tuning failed for us in a mixed IB environment where
lustre servers use different HCAs from the lustre clients. Our solution
was to modify the modprobe ko2iblnd config and remove the new paramaters
(ie. use the defaults).
regards,
chris hunter
chris.hun
Are you using truescale IB interfaces ?
There is a known truescale bug in rhel/centos 6.6 kernels. You should
try kernel 2.6.32-504.23.4 or newer. Some details of the bug are in
LU-6698 and RHSA-2015-1081.
regards,
chris hunter
yale hpc group
From: "Lassus, Magnus" &
,
chris hunter
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d into lost+found.
I assume the next step is to run the ll_recover_lost_found_objs tool ?
Can you share any advice/experience about recovery ?
thanks,
chris hunter
chris.hun...@yale.edu
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htt
ot; option ?
FYI, ll_recover_lost_found_objs tool will recover files from lost+found
on *OST* volumes (ie. moves them back into /O/0/dXX directory) based on
extended file attributes. Section 37.5 of the HPDD manual.
thanks
chris hunter
chris.hun...@yale.edu
On 10/27/2015 12:06 PM, Patrick Far
testfs-OST0004_UUID14.2T 11.6M 14.1T 0%
/lustre/testfs/client[OST:4]
OST0005 : Resource temporarily unavailable
testfs-OST0006_UUID14.2T 11.6M 14.1T 0%
/lustre/testfs/client[OST:6]
This appears to be a minor reporting issue.
ch
_504.23.4.el6.x86_64_g051c25b.x86_64
zfs: zfs-0.6.4-76_g87abfcb.el6.x86_64
My lustre.conf contents:
options lnet networks="o2ib0(ib1),tcp0(ixgbe1)"
chris hunter
chris.hun...@yale.edu
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from backup)
FYI, e2fsck of MDT volume was clean, online lfsck scrub reports no errors.
thanks,
chris hunter
chris.hun...@yale.edu
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On 09/11/2015 03:41 AM, Martin Hecht wrote:
On 09/11/2015 05:23 AM, Dilger, Andreas wrote:
On 2015/09/10, 6:54 PM, "Chris Hunter" <chris.hun...@yale.edu> wrote:
We experienced file corruption on several OSTs. We proceeded through
recovery using e2fsck & ll_recover_
Hi
I believe FID & dirdata feature changes would only affect the MDT during
a lustre upgrade. In hindsight/retrospective do you think a file-level
backup/restore of the MDT would have avoided some of these issues ?
thanks
chris hunter
On 9/10/15 11:17 AM, Mohr Jr, Richard Frank (Rick
eted/unused inodes" in Pass 2 (checking directory structure),
"Unattached inodes" in Pass 4(checking reference counts)
"free block count wrong" in Pass 5 (checking group summary information).
Is e2fsck errors expected when unlinking files ?
thanks,
chris hunter
chris.hun...
Hi Andreas
On 09/01/2015 07:22 PM, Dilger, Andreas wrote:
On 2015/09/01, 7:59 AM, "lustre-discuss on behalf of Chris Hunter"
<lustre-discuss-boun...@lists.lustre.org on behalf of
chris.hun...@yale.edu> wrote:
Hi Andreas,
Thanks for your help.
If you have a striped lustre
ver, I see syslog messages such as:
Aug 31 23:20:45 oss1 kernel: Lustre: test-OST0002: deleting orphan objects from
0x0:228989008 to 0x0:228989127
Which leads me to believe these OST objects are subject to removal.
However I don't know what exactly are orphan objects.
thanks,
chris hunter
(ie. users start
writing new files). What will happen to these good chunks ?
Does lustre consider these "orphan" inodes (and lfsck deletes them) ?
thanks,
chris hunter
chris.hun...@yale.edu
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lust
tool or manual method to resolve or remove the FID ?
Unfortunately this a complicated case. We have known missing objects on
the filesystem. The filesystem was originally created using lustre 1.8
then upgraded to 2.1.
regards,
chris hunter
chris.hun...@yale.edu
) is destructive.
Thank-you in advance,
Chris Hunter
Andreas Dilger wrote:
On Jan 09, 2009 18:31 -0500, Chris Hunter wrote:
Andreas Dilger wrote:
On Jan 07, 2009 18:16 -0500, Chris Hunter wrote:
We currently use lustre over an infiniband network. We would like to
allow ethernet clients
We currently use lustre over an infiniband network. We would like to
allow ethernet clients (ie. no infiniband) to use the same lustre FS.
The MDT and OSTs were all created using only the MGS infiniband
interface (ie. mkfs.lustre --mgsnode=10.2.1...@ib0).
We have modified the OSTs and MDS to
: mdt.group_upcall=/usr/sbin/l_getgroups
Q. Is tunefs.lustre command this non-destructive ?
tunefs.lustre --mgsnode=i...@o2ib0,i...@tcp0 dev_mdt
Q. Do I need to update config on the OSTs for our new multi-homed network ?
Thanks,
Chris Hunter
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/sbin/l_getgroups
Q. Is tunefs.lustre command this non-destructive ?
tunefs.lustre --mgsnode=i...@o2ib0,i...@tcp0 dev_mdt
Q. Do I need to update config on the OSTs for our new multi-homed network ?
Thanks,
Chris Hunter
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