One more important distinction with the DDN installations. Most DDN systems
were deployed with an OEM license of GPFS v4. That license allowed DDN to use
GPFS on their hardware appliance, but and didn't ever equate to an IBM
software license. To my knowledge, DDN has not been a reseller of
Hello Carl,
Thanks for the clarification. I have always heard the term "existing customers"
so originally I thought we were fine, but this is the first time I have seen
the term "existing systems". However, it seems what I said before is mostly
correct, eventually all customers will be forced
Hi,
Thanks a lot Carl for these clarifications. Some additions from the Lenovo side:
Lenovo *GSS* (which is no longer sold, but still fully supported) uses the
socked-based Spectrum Scale Standard Edition or Advanced Edition. We provide
both a 4.2 based version and a 5.0 based version of the
> From my understanding existing customers from DDN, Lenovo, etc. that have v4
> with socket based licenses
>are not entitled v5 licenses socket licenses. Is that a correct understanding?
It is not, and I apologize in advance for the length of this explanation. I
want to be precise and as
If my memory serves… any move of files between filesets requires data to be
moved, regardless of pool allocation for the files that need to be moved, and
regardless if they are dependent filesets are both in the same independent
fileset.
-Bryan
From: gpfsug-discuss-boun...@spectrumscale.org
Moving data between filesets is like moving files between file systems.
Normally when you move files between directories, it’s simple metadata, but
with filesets (dependent or independent) is a full copy and delete of the old
data.
Bob Oesterlin
Sr Principal Storage Engineer, Nuance
From:
The information you provided is useful but we would need more information to understand what is happening. Specifically the mapping of filesets to GPFS storage pools, and the source and destination of the data that is to be moved. If the data to be moved is in storage pool A and is being moved
Hi Fred:
I do. I have 3 pools. system, ssd data pool(fc_ssd400G) and a spinning
disk pool(fc_8T).
I want to think the ssd_data_pool is empty at the moment and the system
pool is ssd and only contains metadata.
[root@cl005 ~]# mmdf home -P fc_ssd400G
diskdisk size failure holds
Do you have more than one GPFS storage pool in the system? If you do and they align with the filesets then that might explain why moving data from one fileset to another is causing increased IO operations.
Fred__Fred Stock | IBM Pittsburgh Lab |
I have filesets setup in a filesystem...looks like:
[root@cl005 ~]# mmlsfileset home -L
Filesets in file system 'home':
NameId RootInode ParentId Created
InodeSpace MaxInodesAllocInodes Comment
root 0
Hello Carl,
Yes, for existing IBM direct customers that may have been the case for v4 to
v5. However, from my understanding if a customer bought GPFS/SS via DDN,
Lenovo, etc. with embedded systems licenses, this is not the case. From my
understanding existing customers from DDN, Lenovo, etc.
Folks, I need to correct a common misunderstanding that is perpetuated here:
> As IBM has completely switched to capacity based licensing in order to use SS
> v5
For new customers, Scale is priced Per TB (we also have Per PB licenses now for
convenience). This transition was completed in
Hi Heiner,
I'm not really able to give you insights into the decision of the events'
states. Maybe somebody else is able to answer here.
But about your triggering debug data collection question, please have a
look at this documentation page:
Hello,
I’m puzzled about the difference between the two mmhealth events
longwaiters_found ERROR Detected Spectrum Scale long-waiters
and
deadlock_detected WARNINGThe cluster detected a Spectrum Scale
filesystem deadlock
Especially why the later has level WARNING only while the
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