LID:247 GID:fe80::fc6a:1c03:60:47c0
Jun 21 08:12:03 570054 [725C7640] 0x02 -> do_sweep:
w/r,
Kurt
From: John Hearns
Sent: Saturday, June 22, 2024 2:54 AM
To: Kurt Strosahl
Cc: lustre-discuss@lists.lustre.org ;
sci...@jlab.org
Subject: [EXTERNAL] Re: [lustr
Good Morning,
We've been experiencing a fairly nasty issue with our clients following our
move to Alma 9. It seems to occur randomly (a few days to over a week), the
clients with connectX-3 cards start getting lnet network errors and seeing
moving hangs on random osts spread across our
Important addendum... after a cp of the impacted files the du size shrinks to
match the ls and du --apparent-size
w/r,
Kurt J. Strosahl (he/him)
System Administrator: Lustre, HPC
Scientific Computing Group, Thomas Jefferson National Accelerator Facility
Good Morning,
We have encountered a very odd issue. Where files are being created that
show as double in size under du, then they do using ls or du --apparent-size.
under ls we see 119G
~> ls -lh \
>
Good Morning,
I'm in the early phases of a new lustre file system design. One thing we
are observing on our lustre file system from 2019 (running 2.12.9-1) is that
the oss systems report a lot of time spent in i/o wait. We are configured with
two oss systems connected via sas cables to a
What version were you upgrading from?
From: lustre-discuss on behalf of
lustre-discuss-requ...@lists.lustre.org
Sent: Thursday, March 10, 2022 9:49 AM
To: lustre-discuss@lists.lustre.org
Subject: [EXTERNAL] lustre-discuss Digest, Vol 192, Issue 7
Send
Good Morning,
I'm planning on updating a luster 2.12.1-1 file system to 2.12.8_6. Are
there any disk format changes in there that would prevent a rollback if we
encounter a serious issue?
w/r,
Kurt J. Strosahl (he/him)
System Administrator: Lustre, HPC
Scientific Computing Group, Thomas
We only have a single, combined, mdt-mds... Would that impact it?
From: Spitz, Cory James
Sent: Wednesday, February 23, 2022 9:38 AM
To: Patrick Farrell ; lustre-discuss@lists.lustre.org
; Kurt Strosahl
Subject: [EXTERNAL] Re: Upgrading lustre servers
Kurt
We are running 2.12.1, which we've been running for more then a year now. A
reboot of the OST cleaned it up.
From: Nathan Dauchy - NOAA Affiliate
Sent: Wednesday, February 17, 2021 4:36 PM
To: Kurt Strosahl ; lustre-discuss@lists.lustre.org
Subject: [EXTERNAL
Good Morning,
One of the OSTs in a lustre file system I manage is showing a higher usage. I
attempted to stop writes by setting the max_create_count to zero and then
moving data off it but that doesn't seem to be working.
> lfs df | grep OST:15lustre19-OST000f_UUID 71145018368 62653382656
Hello,
I'm in the planning phase of a new luster file system, and while going over
MDS hardware I saw that AMD had some pretty good chips (price wise) compared to
Intel. Has anyone had experiences with AMD based MDS systems, are they any
different? I've always done Intel based ones in
Good Afternoon,
I'm experiencing an odd issue with one of my lustre clients. The system seems
to be having an issue talking to one of the oss systems. When it reboots it is
somehow mounting lustre twice. attempts to use lctl ping from the client to
the OSS return the following error:
~]
]
From: Alex Zarochentsev
Sent: Wednesday, July 15, 2020 11:20 AM
To: Kurt Strosahl
Cc: lustre-discuss@lists.lustre.org
Subject: [EXTERNAL] Re: [lustre-discuss] oss servers crashing
Hello!
On Wed, Jul 15, 2020 at 5:28 PM Kurt Strosahl
mailto:stros...@jlab.org>> wrote:
Good M
Good Morning,
Yesterday one of our lustre file servers rebooted several times. the crash
dump showed:
[14333982.153989] Pid: 381367, comm: ll_ost_io01_076
3.10.0-957.10.1.el7_lustre.x86_64 #1 SMP Tue Apr 30 22:18:15 UTC 2019
[14333982.153989] Kernel panic - not syncing: LBUG
I can't tell, any commands I run against the files in question hang
indefinitely. It seems very suspicious though.
From: Mohr Jr, Richard Frank
Sent: Tuesday, March 31, 2020 3:41 PM
To: Kurt Strosahl
Cc: lustre-discuss@lists.lustre.org ;
sci...@jlab.org
Hello,
I'm tracking a very vexing issue. Somehow users are creating files that
cause attempts to examine or manipulate the files to hang. They can't be
removed, they can't be examined, even an ls command will hang.
an strace on an ls command run against some of these files produced the
To: Kurt Strosahl ; lustre-discuss@lists.lustre.org
Subject: [EXTERNAL] Re: [lustre-discuss] Lustre rpm install creating a file
that breaks lustre
Might be best to open a ticket for this. What was the nature of the failure?
Chris Horn
From: lustre-discuss on behalf of
Kurt Strosahl
Date
Good Afternoon,
While getting lustre 2.10.8 running on a RHEL 7.7 system I found that the
RPM install was putting a file in /etc/modprobe.d that was preventing lnet from
starting properly.
the file is ko2iblnd.conf, which contains the following...
alias ko2iblnd-opa ko2iblnd
options
Good Afternoon,
Hopefully a simple question... If I run lctl lfsck_start is there a place where
I can get a list of what it did?
w/r,
Kurt J. Strosahl
System Administrator: Lustre, HPC
Scientific Computing Group, Thomas Jefferson National Accelerator Facility
From: Kurt Strosahl
Sent: Thursday, June 27, 2019 1:23 PM
To: lustre-discuss@lists.lustre.org
Subject: lfs df showing a "D" after an ost
Good Afternoon,
I've got a new 2.12 lustre file system up, and when I run a lfs df it shows
a D next to one of the
Good Afternoon,
I recently stood up a new lustre client, when I run systemctl start
lnet.service systemd reports a failure. However an lnetctl net show displays
all the right information and I can reach other nodes with lclt ping. Further
the lustre file system mounts properly.
Looking
Good Afternoon,
I'm in the process of testing a new lustre file system at 2.12, and in
going through the documentation I saw that to stop writes from going to the
system we now set the max_create_count to 0 on the mdt.
I looked at that value on my system and the default seems to be
Presently I'm experimenting with the following:
/etc/zfs/vdev_id.conf
alias ost01d1shasl00 /dev/disk/by-id/dm-uuid-mpath-35000cca26b825d6c
alias ost01d2shasl01 /dev/disk/by-id/dm-uuid-mpath-35000cca26b860178
alias ost01d3shasl02 /dev/disk/by-id/dm-uuid-mpath-35000cca26c1e2cb4
alias
Sent: Friday, April 26, 2019 6:28 AM
To: Kurt Strosahl
Cc: lustre-discuss@lists.lustre.org
Subject: Re: [lustre-discuss] ZFS and multipathing for OSTs
Disk replacement with multipathd + zfs is somewhat not convenient.
step1: mark offline the disk you should replace with zpool command
step2: remove
Good Afternoon,
As part of a new lustre deployment I've now got two disk shelves connected
redundantly to two servers. Since each disk has two paths to the server I'd
like to use multipathing for both redundancy and improved performance. I
haven't found examples or discussion about such
Good Morning,
I'm presently working on an issue with my OPA network that seems to be
having an unusual impact on lustre. What happens is that when one of the nodes
on the OPA fabric reboots it sometimes has trouble reaching one of the four
lnet routers that we have set up. This isn't,
Thanks, that was exactly what I needed to dig out the bad modules!
From: Jeff Johnson
Sent: Friday, April 12, 2019 12:00 PM
To: Kurt Strosahl
Cc: lustre-discuss@lists.lustre.org
Subject: Re: [lustre-discuss] Issue updating lustre from 2.10.6 to 2.10.7
Kurt,
I
Good Morning,
I've encountered an issue updating lustre from 2.10.6 to 2.10.7 on my
metadata system.
I installed the updated RPMs using whamcloud's yum repository, but when I run
modprobe -v lustre I get the following errors:
insmod
Good Afternoon,
I've been working on a new lustre file system, now with ZFS on the MDT (my
current lustre file system uses ldiskfs). One of the reasons for this was the
ability to use ZFS snapshots to backup the MDT, and I'm wondering if anyone has
experience with zfs backup tools like
Good Afternoon,
I'm reviewing the zfs parameters for a new metadata system and I was
looking to see if anyone had examples (good or bad) of zfs parameters? I'm
assuming that the MDT won't benefit from a recordsize of 1MB, and I've already
set the ashift to 12. I'm using an MDT/MGS made
Good Morning,
I'm in the process of setting up a new lustre file system, one that will
need to reach some nodes through a set of lnet routers. Adding the routes by
hand doesn't work but adding them to the lnet_routes.conf file doesn't get
picked up on reboot.
I looked at the file and
Good Morning,
I have some questions about multiple mdts and striping.
As I read the documentation it sounds like once I create a directory and assign
it to a mdt then all the files in that directory will be written to that mdt.
In the case of striping across mds files will be striped
All,
I asked this question a month or so back, but thought I'd ask it again to
see if anyone else had insight. I'm in the process of designing a new lustre
file system to replace an existing 2.3PB lustre file system. We have over a
thousand clients connecting to lustre over mostly QDR
Good Afternoon,
I'm in the planning stages of a new lustre file system, and I had some
questions.
1) I've seen it said that ZFS is a good choice for the lustre mdt, as long as
it is zfs 0.7.x. Has anyone had that experience?
2) What about the MGT, that seems like it wouldn't have any
Good Afternoon,
I'm in the early planning stages of a lustre upgrade. We are going to be
moving from 2.5 to either 2.10 or 2.11, possibly by standing up a new lustre
file system alongside the existing one and migrating the data over. I'm
wondering if anyone has had specific experiences
do except for the map_on_demand (which our system defaults
to 256).
w/r,
Kurt
- Original Message -
From: "Robin Humble"
To: "Kurt Strosahl"
Cc: lustre-discuss@lists.lustre.org
Sent: Tuesday, July 10, 2018 5:03:30 AM
Subject: Re: [lustre-discuss] Lustre traffi
Good Afternoon,
I've been seeing a great deal of slowness from clients on an OPA network
accessing lustre through lnet routers. The nodes take very long to complete
things like lfs df, and show lots of dropped / reestablished connections. The
OSS systems show this as well, and
re wiki:
http://wiki.lustre.org/Dynamic_LNet_Configuration_and_lnetctl
Alex.
On 4/17/18, 3:37 PM, "lustre-discuss on behalf of Kurt Strosahl"
<lustre-discuss-boun...@lists.lustre.org on behalf of stros...@jlab.org> wrote:
I configured an lnet router today with luster 2.10.3 as the lustr
I configured an lnet router today with luster 2.10.3 as the lustre software. I
then connfigured the lnet router using the following lnetctl commands
lnetctl lnet configure
lnetctl net add --net o2ib0 --if ib1
lnetctl net add --net o2ib1 --if ib0
lnetctl set routing 1
When I rebooted the
Good Afternoon,
I'm presently in the process of upgrading the OS on my lnet routers. I was
wondering if there were any interoprability issues between 2.5 (clients and
servers) and 2.10 (the version of luster I'm looking to run on the routers).
w/r,
Kurt J. Strosahl
System Administrator:
Good Afternoon,
I'd asked earlier about what other bandwidth tests could be run since I'd
encountered an issue with IOR, and it was suggested that I ask here about the
problem I'm having with IOR.
The setup is as follows...
We have a cluster of Intel KNL nodes that communicate over an
Good Morning
I've recently encountered an issue with IOR and was wondering if there were any
other file system benchmarking tools that can be used to test reads / writes to
a lustre file system from multiple nodes.
w/r,
Kurt
___
lustre-discuss
Please ignore... it looks like the user was creating sparse files.
ll -alsh
total 12M
878K -rw-r--r-- 1 4.1E Apr 22 01:48 file1
878K -rw-r--r-- 1 6.8E Apr 22 01:32 file2
582K -rw-r--r-- 1 544P Apr 21 15:34 file3
w/r,
Kurt
- Original Message -
From: "Kurt Strosahl" <stro
Good Morning,
We just came across an interesting issue... three files were created last
night that ls reports as having a size in the exabytes (though du shows as
being the proper size).
ll
total 12198
-rw-r--r-- 1 4647714819775210200 Apr 22 01:48 file1
-rw-r--r-- 1 7810701297118485272
Good Morning,
Recently in my test environment I've seen the following error on the oss:
Error -2 syncing data on lock cancel. At the time there was only one client
mounting the test lustre file system, and the only process running was a
compilation of gcc, so there was virtually no activity
After some digging it looks like this may be related to
https://jira.hpdd.intel.com/browse/LU-3829
Respectfully,
Kurt J. Strosahl
System Administrator
Scientific Computing Group, Thomas Jefferson National Accelerator Facility
___
lustre-discuss mailing
Good Morning,
I'm trying to add a new ost to a lustre file system, one in which the mgs is
presently on its failover node. It looks like the ost does not failover and
connect to the mgs.
Lustre: Lustre: Build Version:
2.5.3-RC1--PRISTINE-2.6.32-431.23.3.el6_lustre.x86_64
Lustre:
Hello,
I'm curious as to the difference between the --failnode and --servicenode
options used by mkfs.lustre. On an OST these options are used to for ost
failover, not mgs failover (which is done through the --mgsnode parameter), but
what is the difference between a failnode and a service
Good Morning,
I've recently encountered an issue with the qos_threshold_rr. About a
month ago we removed an OST from our system, and the qos_threshold_rr kept
working, however we had to do a failover of our mds... and from that point on
the system stopped allocating files using the
essage -
From: "Sean Brisbane" <sean.brisb...@physics.ox.ac.uk>
To: "Kurt Strosahl" <stros...@jlab.org>, "aik" <a...@fnal.gov>
Cc: "<lustre-discuss@lists.lustre.org>" <lustre-discuss@lists.lustre.org>
Sent: Tuesday, February 2,
Hello,
Recently this message appeard in the metadata system on our lustre 2.5.3
file system. Is there a way to enable this feature in 2.5.3?
Jan 28 10:53:56 scmds14a kernel: LDISKFS-fs warning (device dm-1):
ldiskfs_dx_add_entry: Directory (ino: 111675137) index full, reach max htree
Kulyavtsev
To: Kurt Strosahl <stros...@jlab.org>
Cc: Alexander I Kulyavtsev , <lustre-discuss@lists.lustre.org> <lustre-discuss@lists.lustre.org>
Sent: Tue, 26 Jan 2016 13:23:20 -0500 (EST)
Subject: Re: [lustre-discuss] Inactivated ost still showing up on the mds
Hi Kurt,
probab
the
lifetime of a file system (due to system retirement or hardware failure).
w/r,
Kurt
- Original Message -
From: "Kurt Strosahl" <stros...@jlab.org>
To: "Sean Brisbane" <sean.brisb...@physics.ox.ac.uk>
Cc: "Chris Hunter" <chunt...@gmail.com>, lustr
- Original Message -
From: "Sean Brisbane" <sean.brisb...@physics.ox.ac.uk>
To: "Kurt Strosahl" <stros...@jlab.org>, "Chris Hunter" <chunt...@gmail.com>
Cc: lustre-discuss@lists.lustre.org
Sent: Friday, January 22, 2016 4:33:41 AM
Subject: RE: Inactivated
Message -
From: "Chris Hunter" <chunt...@gmail.com>
To: lustre-discuss@lists.lustre.org
Cc: "Kurt Strosahl" <stros...@jlab.org>
Sent: Thursday, January 21, 2016 12:50:03 PM
Subject: [lustre-discuss] Inactivated ost still showing up on the mds
Hi Kurt,
For referen
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 have I missed something?
w/r,
Kurt
- Original Message -
From: "Chris Hunter" <chunt...@gmail.com>
To: "
All,
Continuing the issues that I reported yesterday... I found that by
unlinking lost files that I was able to stop the below error from occurring,
this gives me hope that systems will stop crashing once all the lost files are
scrubbed.
LustreError:
All,
On Monday morning we had to remove an OST due to the failure of the
underlying zpool. I set the lazystatfs option on the mds, and everything
seemed to be ok.
However now we, after rebooting a node, are seeing the below errors:
Jan 19 16:59:42 ifarm1401 kernel: LustreError:
<<< text/html; charset=utf-8: Unrecognized >>>
___
lustre-discuss mailing list
lustre-discuss@lists.lustre.org
http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
om>
wrote:
> On 2016/01/12, 14:21, "lustre-discuss on behalf of Kurt Strosahl"
> <lustre-discuss-boun...@lists.lustre.org on behalf of stros...@jlab.org>
> wrote:
>
> >Hello,
> >
> >What is the highest version of zfs supported by lustre 2.5.3.90?
>
Hello,
I'm working on setting up a pair of oss systems that should be able to take
over for eachother should one of them fail (they both have access to the same
storage arrays). I'm using lustre 2.5.3 with zfs as the back end on a pair of
CentOS 6.5 systems.
Respectfully,
Kurt J.
So is there a stable client for centos 7 that is backwards compatible with
2.5.3?
w/r,
Kurt
- Original Message -
From: Patrick Farrell p...@cray.com
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Monday, August 10, 2015 4:24:15 PM
Subject: RE: lustre client
Hello,
Is the 2.7 lustre client compatible with lustre 2.5.3 servers? I'm running
a 2.5.3 system lustre system, but have been asked by a few people about
upgrading some of our clients to CentOS 7 (which appears to need a 2.7 or
greater client).
w/r,
Kurt J. Strosahl
System Administrator
Hi Massimo,
This sounds exactly like the issue I encountered over a month ago with my
lustre 2.5.3 system. The quick solution I found was to set the
qos_threshold_rr to 100% (so flat round robin, not weighted). However that
causes a problem where osts would go over 90% while others were
Hello,
Several of my oss systems have been experiencing exceptionally high load,
and I was looking at reducing the number of service threads to mitigate this...
but I was wondering if that would reduce the systems overall performance. I
was also wondering if adding more ram to the system
or massive corruption). This avoids
having the target try to register as a new target with the MGS.
w/r,
Kurt
- Original Message -
From: Ben Evans bev...@cray.com
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Tuesday, July 21, 2015 10:17:47 AM
Subject
Hello,
I had a quick question about recreating osts... If I drain all the files off
an ost can I just reformat it and have it added back into lustre, in essence
reusing the same index? The server wouldn't change. Or would I have to
preserve its configuration files?
w/r,
Kurt
fragmentation?
w/r,
Kurt
- Original Message -
From: aik a...@fnal.gov
To: Kurt Strosahl stros...@jlab.org
Cc: aik a...@fnal.gov, Sean Brisbane sean.brisb...@physics.ox.ac.uk,
lustre-discuss@lists.lustre.org
Sent: Monday, July 13, 2015 8:20:31 PM
Subject: Re: [lustre-discuss] lustre 2.5.3
-
From: Sean Brisbane sean.brisb...@physics.ox.ac.uk
To: Kurt Strosahl stros...@jlab.org
Cc: Shawn Hall shawn.h...@nag.com, lustre-discuss@lists.lustre.org
Sent: Sunday, July 12, 2015 5:13:07 AM
Subject: RE: [lustre-discuss] lustre 2.5.3 ost not draining
Hi Kurt,
I was following the recommendation
Thanks,
I'll have to see if I can run this test myself. Did you notice if the
inactive status persisted through the unmount/remount?
w/r,
Kurt
- Original Message -
From: Sean Brisbane sean.brisb...@physics.ox.ac.uk
To: Kurt Strosahl stros...@jlab.org, Shawn Hall shawn.h...@nag.com
Good Morning,
Earlier in the week some of the OSTs in the lustre 2.5.3 system I'm managing
hit 97% full. I set them to read only, and yesterday I started an lfs_migrate
on one of them, hoping to drain it down overnight. This morning, after the
system spent about 12 hours moving files off
Brisbane sean.brisb...@physics.ox.ac.uk
To: Kurt Strosahl stros...@jlab.org
Cc: Patrick Farrell p...@cray.com, lustre-discuss@lists.lustre.org
lustre-discuss@lists.lustre.org
Sent: Friday, July 10, 2015 11:04:27 AM
Subject: RE: [lustre-discuss] lustre 2.5.3 ost not draining
Dear Kurt,
Apologies. After
Will that let deletes happen against it?
w/r,
Kurt
- Original Message -
From: aik a...@fnal.gov
To: Kurt Strosahl stros...@jlab.org
Cc: aik a...@fnal.gov, Sean Brisbane sean.brisb...@physics.ox.ac.uk,
lustre-discuss@lists.lustre.org
Sent: Friday, July 10, 2015 11:52:00 AM
Subject: Re
Unfortunately... due to https://jira.hpdd.intel.com/browse/LU-5778, I'm stuck
at just a flat round robin.
- Original Message -
From: Shawn Hall shawn.h...@nag.com
To: Kurt Strosahl stros...@jlab.org, Sean Brisbane
sean.brisb...@physics.ox.ac.uk
Cc: lustre-discuss@lists.lustre.org
Sent
it offline
again using the above command to prevent it from reaching 100%
w/r,
Kurt
- Original Message -
From: Patrick Farrell p...@cray.com
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Friday, July 10, 2015 9:00:38 AM
Subject: RE: lustre 2.5.3 ost
I'd have the advantage, as my moves would be targeted directly
to the ost, while the other writes would just land where ever they could.
w/r,
Kurt
- Original Message -
From: Shawn Hall shawn.h...@nag.com
To: Kurt Strosahl stros...@jlab.org, Sean Brisbane
sean.brisb...@physics.ox.ac.uk
Cc
Thanks,
But I don't see that command in the lfs documentaiton.
w/r,
Kurt
- Original Message -
From: Shawn Hall shawn.h...@nag.com
To: Kurt Strosahl stros...@jlab.org
Cc: Sean Brisbane sean.brisb...@physics.ox.ac.uk,
lustre-discuss@lists.lustre.org
Sent: Friday, July 10, 2015 3:27:31
The problem there is that I cannot afford to leave it some number of days...
it is at 97% full, so new writes are going to it faster then it can clean
itself off.
w/r,
Kurt
- Original Message -
From: Sean Brisbane sean.brisb...@physics.ox.ac.uk
To: Patrick Farrell p...@cray.com, Kurt
Hello?
I'm running lustre 2.5.3, and was wondering when the release would move to
lustre 2.5.4? The rpms from
https://downloads.hpdd.intel.com/public/lustre/latest-maintenance-release/el6/server/RPMS/x86_64/
are almost a year old.
respectfully,
Kurt J. Strosahl
System Administrator
Good Morning,
A quick question regarding the changelog... Lets say that I have a directory
A with some files in it. I rename the directory using the mv command. Will the
changelog only record the change in the directory, or will the changelog record
a change for all the files within the
Good Morning,
An odd issue has come up with my new lustre 2.5.3 system. I added a new oss
yesterday with three osts, but the mds doesn't seem to want to write to them.
I've forced it to do so by setting stripes on test directories and writting
data there. I've also (since the lustre
%, after echoing
100 into it the value went to (predictably) 100%.
w/r,
Kurt
- Original Message -
From: Kurt Strosahl stros...@jlab.org
To: lustre-discuss@lists.lustre.org
Sent: Wednesday, June 17, 2015 7:22:04 AM
Subject: writes not going to new osts on new oss (lustre 2.5.3)
Good Morning
Hello,
I've been following the procedure for setting a lustre ost to read only, but
it doesn't seem to be working.
I want to set this ost to read only (as seen on the mds):
lctl dl | grep OST000e
23 UP osp lustre2-OST000e-osc-MDT lustre2-MDT-mdtlov_UUID 5
lctl --device 23
An update,
Even though the MDT isn't showing the ost as inactive the ost isn't getting
new writes. Further the high load on the system that prompted me to set the
osts on it offline has gone away. So the command certainly seems to be
working, it is just that the lctl command isn't showing
Thanks,
At first I was a bit concerned that the ost wasn't set to read only, but
after I observed it for a bit I realized that it was just not being reported as
read only. I agree that it is quite annoying... as, under lustre 1.8 I had the
mds occasionally set osts to read only (discovered
.
But I'm fairly confident that the data will be safe.
w/r,
Kurt
- Original Message -
From: Mohr rm...@utk.edu
To: Kurt Strosahl stros...@jlab.org
Cc: lustre-discuss@lists.lustre.org
Sent: Monday, June 8, 2015 4:31:38 PM
Subject: Re: [lustre-discuss] upgrading zfs back end file system
Hello,
I recently encountered an issue with zfs on linux that required me to
upgrade to a newer version. Now I'm trying to patch my oss systems. I've got
a new oss (has never had its osts mounted) that I'm using to test the upgrade
process, but now that I've installed the new zfs modules
Strosahl stros...@jlab.org
Cc: lustre-discuss@lists.lustre.org
Sent: Monday, June 8, 2015 4:13:39 PM
Subject: Re: [lustre-discuss] upgrading zfs back end file system lustre doesn't
mount anymore
On Jun 8, 2015, at 3:41 PM, Kurt Strosahl stros...@jlab.org wrote:
snip
osd_zfs
Hello,
We had a lustre oss that had to be rebooted, and one of its osts has now
been in recovery mode for almost 12 hours. It is working though its list of
clients to recover... but while poking around I noticed the lctl abort_recovery
command. Can this command be run on clients, or does
.
Respectfully,
Kurt
- Original Message -
From: Murshid Azman murshid.az...@gmail.com
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Sunday, June 7, 2015 7:16:52 AM
Subject: Re: [lustre-discuss] lustre 2.5.3 and lctl abort_recovery
On the oss. lctl --device ost
Good Morning,
I'm trying to set the changelog mask on a lustre 2.5.3 system and it seems
that the documentation isn't 100% accurate.
According to the documentation found at
https://build.hpdd.intel.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.pdf
one of the values is
OK,
Good to know. But someone over at Intel needs to update that documentation.
w/r,
Kurt
- Original Message -
From: Olaf P. Faaland faala...@llnl.gov
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Friday, May 29, 2015 11:04:17 AM
Subject: Re: [lustre
Hi,
The problems persisted through a reboot.
w/r,
Kurt
- Original Message -
From: Mohr rm...@utk.edu
To: Kurt Strosahl stros...@jlab.org
Cc: lustre-discuss@lists.lustre.org
Sent: Thursday, May 28, 2015 10:00:27 AM
Subject: Re: [lustre-discuss] Issue with lnet showing network down lustre
- Original Message -
From: Edward Wahl ew...@osc.edu
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Thursday, May 28, 2015 10:40:48 AM
Subject: RE: Issue with lnet showing network down lustre 2.5.3
Were you loading both lustre and lnet with a modprobe/insmod? Try just
Thanks, that works perfectly:
sudo lfs fid2path /lustre2 0x21d41:0x19f7:0x0
- Original Message -
From: Patrick Farrell p...@cray.com
To: Kurt Strosahl stros...@jlab.org, lustre-discuss@lists.lustre.org
Sent: Wednesday, May 27, 2015 3:51:31 PM
Subject: RE: disecting changelog
Hello,
I activated the changelog and allowed it to collect some data, and I'm
wondering how to interpret part of it.
7270731 01CREAT 19:27:48.153432113 2015.05.27 0x0 t=[0x21d41:0x19f7:0x0]
p=[0x213a1:0x9:0x0] flow.xml.14088
Is there a way to tie the target and parent fids back to
Unfortunately we are stuck with the 1.8 client as long as the lustre 1.8 system
exists (we are transitioning, so both systems have to be mounted during the
data migration).
Kurt J. Strosahl
System Administrator
Scientific Computing Group, Thomas Jefferson National Accelerator Facility
Good Afternoon,
I'm attempting to use nfs to export a lustre mount point on a client box
(essentially acting as a gateway for systems that don't have the lustre
client). I've mounted lustre, and added it to the nfs exports file (it shows
up as exported) but when I try to mount the nfs
Sorry, left off some important info...
the system is rhel5, with client 1.8.7... the lustre file system is 2.5.3 (the
system already exports a 1.8.9 lustre file system).
w/r,
Kurt
- Original Message -
From: Kurt Strosahl stros...@jlab.org
To: lustre-discuss@lists.lustre.org
Sent
: Colin Faber cfa...@gmail.com
To: Kurt Strosahl stros...@jlab.org
Cc: lustre-discuss@lists.lustre.org
Sent: Thursday, May 7, 2015 5:05:06 PM
Subject: Re: [lustre-discuss] lustre issue with OST setting to read-only mode
as soon as writes are attempted. using Lustre 1.8.8
Hi Kurt,
What's e2fsck
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