after the boot, when you are missing luns, what would happen if you just
run
/sbin/zfcpconf.sh
Would these luns show up?
Gregory Powiedziuk
2015-07-16 7:42 GMT-04:00 Offer Baruch offerbar...@gmail.com:
Hi...
Try having a look at this rhel 6 defect.
: Grzegorz Powiedziuk gpowiedz...@gmail.com
To: LINUX-390@VM.MARIST.EDU,
Date: 07/16/2015 10:55 AM
Subject:Re: zFCP LUNs Not Persistent Across Reboot (RHEL 6.6)
Sent by:Linux on 390 Port LINUX-390@VM.MARIST.EDU
after the boot, when you are missing luns, what would happen
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From: Grzegorz Powiedziuk gpowiedz...@gmail.com
-certification-100350.html
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-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of
Grzegorz Powiedziuk
Sent: Friday, June 05, 2015 2:57 PM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: RHEL7
Hi,
I am having hard time finding oracle's certification matrix. It seems like
they require to have an oracle account on their website (which I have) but
with elevated rights (which I don't have).
It is almost like they want to make this information a secret.
Do you know if RHEL7 (or preferably
:00 Bruno Lima b...@globo.com:
Hi
Maybe this link can answer your question:
https://docs.oracle.com/database/121/LADBN/toc.htm#LADBN102
Cheers
*BRUNO J. N. LIMA*
+55 98 99199.0123
b...@globo.com
Skype: brunoslz
www.linkedin.com/in/brunojnlima
On Fri, Jun 5, 2015 at 2:31 PM, Grzegorz
What Robert said might be correct. The other thing I would check if that
won't help is:
- hosts definition on the XIV and Zonning in SAN switches
When you relocate virtual machine from one LPAR to another you are also
switching FCP channels under the hood for the relocated linux guest. Which
Hello,
I am trying to do some sort of a comparison between these products and more
digging I do then more I am lost.
There are many presentations out there with big words like cloud,
orchestrate, cut costs bla bla bla but it is hard get to the bottom
of it.
Correct me if I am wrong but so
Thanks Malcolm for correcting me.
With extra information from Mainframe Mainfame I see that it is just about
missing configuration.
You NEED to have a zfcp.conf file in place with definitions of all your
paths with syntax:
FCP_SUBCHANNEL TARGET_WWPN LUN_NUMBER
It seems like you are not using
[0:0:0:1074675744]diskIBM 2107900 .278 /dev/sda
[0:0:0:1075527712]diskIBM 2107900 .278 /dev/sdb
I've seen that before. I don't like the LUN number - 1074675744
Make sure that in your ZFCP you have it right.
I've seen bogus numbers like this when I typed too
Is the 01b0 also a replica from the other datacenter created same way as
01b1?
Probably not, because the serial number matches the address 01b0:
dasd(eckd): 0.0.01b0: (4kB blks): 108000kB at 48kB/trk compatible disk
layout
dasda:VOL1/ -- 0X01B0 -
Which is not the case with
dasd(eckd):
Hello,
It is possible that it's nothing special and it has been already discussed
and done by this group over here many times and I just missed it. But I
thought that I will share what I came up with you anyway. Nothing big but
it might be interesting for some people.
Anyone of you tried running
2014-08-28 12:55 GMT-04:00 Grzegorz Powiedziuk gpowiedz...@gmail.com:
Hello,
If anyone is interested, I am working on a short, general guide for making
one of these so I could send it to the group.
Someone asked me for a copy of this guide and I've just finished it, so
here
We have exactly same setup so I thought I could share simple scripts I
use for automation. You can run it by executing ./script.sh lun_number
(script bellow)
XIV uses lun numbers is decimal, and zfcp scripts in linux use hex
numbers. Script does dec - hex conversion so you can provide a lun
Could you tell me, what value do you have in file :
/sys/block/sd[x]/queue/discard_max_bytes ?
And also it would be interesting to know what output are you getting from :
sg_readcap -16 /dev/sda ? I am interested in value for lbpme=
And what is your setup?
Our is z114 - z/vm - sles11
LUN is
2012/6/13 David Boyes dbo...@sinenomine.net
...
Try xfs. XFS seems to play nice with the XIVs.
...
Thanks David.
Unfortunately no luck here either. I've mounted XFS filesystem with discard
option but it doesn't look like
it is doing anything. I've created 2 files with zeros on this fs
Thanks! I appreciate that!
I've done some research and it looks like Veritas is doing WRITE SAME +
UNMAP operation to unmap unused blocks.
But this can work only if logical block provisioning: lbpme=1.
And in my case it is 0 :
d2ora000:~ # sg_readcap -16 /dev/sda
Read Capacity results:
2012/6/13 David Boyes dbo...@sinenomine.net
What microcode version is your XIV running? According to the hw guys, our
box got a recent ucode update, but they didn't record the previous level.
8-(.
I think it is one of the most current one :
Version
11.0.1.a
/discard_max_bytes there is 0.
thanks
Grzegorz Powiedziuk
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2012/6/13 Mark Post mp...@suse.com
Those are not the same two mount points.
/mnt/thin_test_btrfs
/mnt/thin_test_xfs
Mark Post
Ah, but it is just a copy and paste error. I get the same error on both
filesystems (xfs and btrfs)
d2ora000:~ # fstrim /mnt/thin_test_btrfs/
fstrim:
Hi, I am trying to figure out what is best setup for us. We would like to
use thin provisioning which is available on XIV (on our FCP LUNs).
Unfortunately it does not work very good with ext3 file system. To reclaim
some space I have to zero out free space first (after removing files)
and than it
2012/6/12 Grzegorz Powiedziuk gpowiedz...@gmail.com
Hi, I am trying to figure out what is best setup for us. We would like to
use thin provisioning which is available on XIV (on our FCP LUNs).
Unfortunately it does not work very good with ext3 file system. To
reclaim some space I have
2012/5/1 Bruce Lightsey bruce.light...@its.ms.gov
In the next two or three weeks we will have to move from our current z9 to
a z114 and are trying to look for all of the gotchas involved.
We recently did exactly the same jump. NPIV I guess was explained already
(we actually implemented NPIV
Level 1102 (64-bit)
SUSE Linux Enterprise Server 11 (s390x)
VERSION = 11
PATCHLEVEL = 2
Linux d2ora000 3.0.13-0.27-default #1 SMP Wed Feb 15 13:33:49 UTC 2012
(d73692b) s390x s390x s390x GNU/Linux
Regards
Grzegorz Powiedziuk
I haven't been following this thread; so please forgive me if
I am rehashing stuff that's already been said. I have used
FBA disks in z/Linux for testing purposes. What I do is format
them with the CMS FORMAT command, then reserve them with the
CMS RESERVE command. Under these conditions,
? Both are scsci over fiber so why there
is an extra one for XIV?
Thanks!
Grzegorz Powiedziuk
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fdasd instead of fdisk...
Do you know what I am doing wrong?
Do I have to create a separate minidisk for each filesystem? I'd like to
avoid that...
Thanks!
Grzegorz Powiedziuk
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2012/3/20 Rob van der Heij rvdh...@gmail.com
Maybe have the box ticked to format the device first? You shouldn't.
You can partition it with fdisk but I have not found the magic spell
to avoid the not on cylinder boundary warnings.
But the approach would be to create mini disks and scatter
people use mdisk aproach so... I am not going to do
experiments on myself!
Thank you all.
Grzegorz Powiedziuk
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mainframe I don't have the tape drive).
Thank you for all replays
Grzegorz Powiedziuk
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filesystems directly on DVD
would not be enough.
How to prepare this kind disc with ipl ability ? And even If would do
ipl, will this small starter linux be able to see HMC dvd drive?
Grzegorz Powiedziuk
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prepared files)
About seeing CD, somehow normal linux installator (for eg. Sles) is
able to get rpms from CD?
Thank you very much.
Grzegorz Powiedziuk
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will keep all needed files,
download them and do zipl. Should work ? :)
Only few hours on LINUX-390 and I know a lot of more, thanks again.
Grzegorz Powiedziuk
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