Displaying 20 results from an estimated 4000 matches similar to: "fsck ldiskfs-backed OSTs?"
2010 Sep 30
1
ldiskfs-ext4 interoperability question
Our current Lustre servers run the version 1.8.1.1 with the regular ldiskfs.
We are looking to expand our Lustre file system with new servers/storage and upgrade to all the lustre servers to 1.8.4 as well at the same time. We
would like to make use of the ldiskfs-ext4 on the new servers to use larger OSTs.
I just want to confirm the following facts:
1. Is is possible to run different versions
2007 Mar 20
15
How to bypass failed OST without blocking?
Hi
I want my lustre do such things during OST failed: if some file
has stripe data on th failed OST, any operation on the file will
return IO error without blocking, and also at this moment I can
create and read/write new file or read/write files which have no stripe
data on the failed OST without blocking.
What should I do ? How to configure?
thanks!
swin
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2007 Nov 29
2
Balancing I/O Load
We are seeing some disturbing (probably due to our ignorance)
behavior from lustre 1.6.3 right now. We have 8 OSSs with 3 OSTs
per OSS (24 physical LUNs). We just created a brand new lustre file
system across this configuration using the default mkfs.lustre
formatting options. We have this file system mounted across 400
clients.
At the moment, we have 63 IOzone threads running
2010 Aug 14
0
Lost OSTs, remounted, now /proc/fs/lustre/obdfilter/$UUID/ is empty
Hello,
We had a problem with our disk controller that required a reboot. 2 of
our OSTs remounted and went through the recovery window but clients
hang trying to access them. Also /proc/fs/lustre/obdfilter/$UUID/ is
empty for that OST UUID.
LDISKFS FS on dm-5, internal journal on dm-5:8
LDISKFS-fs: delayed allocation enabled
LDISKFS-fs: file extents enabled
LDISKFS-fs: mballoc enabled
2012 Sep 27
4
Bad reporting inodes free
Hello,
When I run a "df -i" in my clients I get 95% indes used or 5% inodes free:
Filesystem Inodes
IUsed IFree IUse% Mounted on
lustre-mds-01:lustre-mds-02:/cetafs 22200087 20949839 1250248 95%
/mnt/data
But if I run lfs df -i i get:
UUID Inodes IUsed
IFree I
2010 Jul 05
4
Adding OST to online Lustre with quota
Hello,
we wounder whether is it possible to add OSTs to the Lustre with
quota support without making it offline?
We tried to do this but all quota information was lost. Despite the fact
that OST was formatted with quota support
we are receiving this error message:
Lustre: 3743:0:(lproc_quota.c:447:lprocfs_quota_wr_type())
lustrefs-OST0016: quotaon failed because quota files
2004 Jan 11
3
Lustre 1.0.2 packages available
Greetings--
Packages for Lustre 1.0.2 are now available in the usual place
http://www.clusterfs.com/download.html
This bug-fix release resolves a number of issues, of which a few are
user-visible:
- the default debug level is now a more reasonable production value
- zero-copy TCP is now enabled by default, if your hardware supports it
- you should encounter fewer allocation failures
2004 Jan 11
3
Lustre 1.0.2 packages available
Greetings--
Packages for Lustre 1.0.2 are now available in the usual place
http://www.clusterfs.com/download.html
This bug-fix release resolves a number of issues, of which a few are
user-visible:
- the default debug level is now a more reasonable production value
- zero-copy TCP is now enabled by default, if your hardware supports it
- you should encounter fewer allocation failures
2007 Nov 12
8
More failover issues
In 1.6.0, when creating a MDT, you could specify multiple --mgsnode options
and it would failover between them. 1.6.3 only seems to take the last one
and --mgsnode=192.168.1.252 at o2ib:192.168.1.253 at o2ib doesn''t seem to failover
to the other node. Any ideas how to get around this?
Robert
Robert LeBlanc
College of Life Sciences Computer Support
Brigham Young University
leblanc at
2013 Feb 12
2
Lost folders after changing MDS
OK, so our old MDS had hardware issues so I configured a new MGS / MDS on a VM (this is a backup lustre filesystem and I wanted to separate the MGS / MDS from OSS of the previous), and then did this:
For example:
mount -t ldiskfs /dev/old /mnt/ost_old
mount -t ldiskfs /dev/new /mnt/ost_new
rsync -aSv /mnt/ost_old/ /mnt/ost_new
# note trailing slash on ost_old/
If you are unable to connect both
2007 Nov 23
2
How to remove OST permanently?
All,
I''ve added a new 2.2 TB OST to my cluster easily enough, but this new
disk array is meant to replace several smaller OSTs that I used to have
of which were only 120 GB, 500 GB, and 700 GB.
Adding an OST is easy, but how do I REMOVE the small OSTs that I no
longer want to be part of my cluster? Is there a command to tell luster
to move all the file stripes off one of the nodes?
2007 Dec 13
1
MPI-Blast + Lustre
Anyone have any experience with MpiBlast and Lustre. We have
MpiBlast-1.4.0-pio and lustre-1.6.3 and we are seeing some pretty
poor performance with most of the mpiblast threads spending 20% to
50% of their time in disk wait. We have the genbank nt database
split into 24 fragments (one for each of our OSTs, 3 per OSS). The
individual fragments are not striped due to the
2008 Jan 02
9
lustre quota problems
Hello,
I''ve several problems with quota on our testcluster:
When I set the quota for a person to a given value (e.g. the values which
are provided in the operations manual), I''m able to write exact the amount
which is set with setquota.
But when I delete the files(file) I''m not able to use this space again.
Here is what I''ve done in detail:
lfs checkquota
2008 Feb 12
1
LDISKFS-fs warnings on MDS lustre 1.6.4.2
Hi Folks,
We can see these massages on our MDS
Feb 12 12:46:08 mds01 kernel: LDISKFS-fs warning (device dm-0):
empty_dir: bad directory (dir #31452569) - no `.'' or `..''
Feb 12 12:46:08 mds01 kernel: LDISKFS-fs warning (device dm-0):
ldiskfs_rmdir: empty directory has too many links (3)
It seem to indicate that we have bad(corrupted) directory. Do you have
any idea how to
2008 Feb 05
2
obdfilter/datafs-OST0000/recovery_status
I''m evaluating lustre. I''m trying what I think is a basic/simple
ethernet config. with MDT and OST on the same node. Can someone tell
me if the following (~150 second recovery occurring when small 190 GB
OST is re-mounted) is expected behavior or if I''m missing something?
I thought I would send this and continue with the eval while awaiting
a
response.
I''m using
2013 Apr 29
1
OSTs inactive on one client (only)
Hi everyone,
I have seen this question here before, but without a very
satisfactory answer. One of our half a dozen clients has
lost access to a set of OSTs:
> lfs osts
OBDS::
0: lustre-OST0000_UUID ACTIVE
1: lustre-OST0001_UUID ACTIVE
2: lustre-OST0002_UUID INACTIVE
3: lustre-OST0003_UUID INACTIVE
4: lustre-OST0004_UUID INACTIVE
5: lustre-OST0005_UUID ACTIVE
6: lustre-OST0006_UUID ACTIVE
2007 Nov 07
9
How To change server recovery timeout
Hi,
Our lustre environment is:
2.6.9-55.0.9.EL_lustre.1.6.3smp
I would like to change recovery timeout from default value 250s to
something longer
I tried example from manual:
set_timeout <secs> Sets the timeout (obd_timeout) for a server
to wait before failing recovery.
We performed that experiment on our test lustre installation with one
OST.
storage02 is our OSS
[root at
2007 Nov 26
15
bad 1.6.3 striped write performance
Hi,
I''m seeing what can only be described as dismal striped write
performance from lustre 1.6.3 clients :-/
1.6.2 and 1.6.1 clients are fine. 1.6.4rc3 clients (from cvs a couple
of days ago) are also terrible.
the below shows that the OS (centos4.5/5) or fabric (gigE/IB) or lustre
version on the servers doesn''t matter - the problem is with the 1.6.3
and 1.6.4rc3 client kernels
2007 Oct 08
5
patchless client on RHEL4
Is there instructions on how to use the patchless client on RHEL4 ?
For version 1.6.2
We would prefer a rpm, but we are not scared of doing a build if
needed.
Brock Palen
Center for Advanced Computing
brockp at umich.edu
(734)936-1985
2007 Dec 13
4
Lustre drawback
Hello everybody,
at the following pages:
http://www.rit.edu/~rc/docs/Survey_of_Clustered_Parallel_File_Systems_004_LANL.ppt
http://www.intel.com/cd/ids/developer/asmo-na/eng/dc/tools/threading/238284.htm?page=2
I read:
"[...] Currently, one additional drawback to Lustre is that a Lustre
client cannot be on a server that is providing OSTs. This solution is
being worked on and may be