<font size=2 face="sans-serif">Kevin, that seems to be a good point. </font><br><br><font size=2 face="sans-serif">IF you have dedicated hardware to acting
only as a storage and/or file server, THEN neither meltdown nor spectre
should not be a worry. </font><br><br><font size=2 face="sans-serif">BECAUSE meltdown and spectre are just
about an adversarial process spying on another process or kernel memory.
IF we're not letting any potential adversary run her code on our
file server, what's the exposure?</font><br><font size=2 face="sans-serif"> </font><br><font size=2 face="sans-serif">NOW, let the security experts tell us
where the flaw is in this argument...</font><br><br><br><br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">"Buterbaugh, Kevin
L" <Kevin.Buterbaugh@Vanderbilt.Edu></font><br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">gpfsug main discussion
list <gpfsug-discuss@spectrumscale.org></font><br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">05/15/2018 06:12 PM</font><br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [gpfsug-discuss]
gpfs 4.2.3.6 stops working withkernel
3.10.0-862.2.3.el7</font><br><font size=1 color=#5f5f5f face="sans-serif">Sent by:
</font><font size=1 face="sans-serif">gpfsug-discuss-bounces@spectrumscale.org</font><br><hr noshade><br><br><br><font size=3>All, </font><br><br><font size=3>I have to kind of agree with Andrew \u2026 it seems that there
is a broad range of takes on kernel upgrades \u2026 everything from \u201cinstall
the latest kernel the day it comes out\u201d to \u201cstick with this kernel, we
know it works.\u201d</font><br><br><font size=3>Related to that, let me throw out this question \u2026 what
about those who haven\u2019t upgraded their kernel in a while at least because
they\u2019re concerned with the negative performance impacts of the meltdown
/ spectre patches??? So let\u2019s just say a customer has upgraded the
non-GPFS servers in their cluster, but they\u2019ve left their NSD servers
unpatched (I\u2019m talking about the kernel only here; all other updates are
applied) due to the aforementioned performance concerns \u2026 as long as they
restrict access (i.e. who can log in) and use appropriate host-based firewall
rules, is their some risk that they should be aware of?</font><br><br><font size=3>Discuss. Thanks!</font><br><br><font size=3>Kevin</font><br><br><font size=3>On May 15, 2018, at 4:45 PM, Andrew Beattie <</font><a href="mailto:abeattie@au1.ibm.com"><font size=3 color=blue><u>abeattie@au1.ibm.com</u></font></a><font size=3>>
wrote:</font><br><br><font size=2 face="Arial">this thread is mildly amusing, given we regularly
get customers asking why we are dropping support for versions of linux</font><br><font size=2 face="Arial">that they "just can't move off"</font><br><font size=2 face="Arial"> </font><br><font size=2 face="Arial"> </font><br><font size=3 color=#80803f face="Arial"><b>Andrew Beattie</b></font><br><font size=2 face="Arial"><b>Software Defined Storage - IT Specialist</b></font><br><font size=1 color=#3f8080 face="Arial"><b>Phone: </b></font><font size=1 face="Arial">614-2133-7927</font><br><font size=1 color=#3f8080 face="Arial"><b>E-mail: </b></font><a href="mailto:abeattie@au1.ibm.com"><font size=1 color=#4f4f4f face="Arial"><u>abeattie@au1.ibm.com</u></font></a><br><font size=2 face="Arial"> </font><br><font size=2 face="Arial"> </font><br><font size=2 face="Arial">----- Original message -----<br>From: Stijn De Weirdt <</font><a href="mailto:stijn.deweirdt@ugent.be"><font size=2 color=blue face="Arial"><u>stijn.deweirdt@ugent.be</u></font></a><font size=2 face="Arial">><br>Sent by: </font><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><font size=2 color=blue face="Arial"><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></a><font size=2 face="Arial"><br>To: </font><a href="mailto:gpfsug-discuss@spectrumscale.org"><font size=2 color=blue face="Arial"><u>gpfsug-discuss@spectrumscale.org</u></font></a><font size=2 face="Arial"><br>Cc:<br>Subject: Re: [gpfsug-discuss] gpfs 4.2.3.6 stops working withkernel 3.10.0-862.2.3.el7<br>Date: Wed, May 16, 2018 5:35 AM<br> </font><br><tt><font size=2>so this means running out-of-date kernels for at least
another month? oh<br>boy...<br><br>i hope this is not some new trend in gpfs support. othwerwise all RHEL<br>based sites will have to start adding EUS as default cost to run gpfs<br>with basic security compliance.<br><br>stijn<br><br><br>On 05/15/2018 09:02 PM, Felipe Knop wrote:<br>> All,<br>><br>> Validation of RHEL 7.5 on Scale is currently under way, and we are<br>> currently targeting mid June to release the PTFs on 4.2.3 and 5.0
which<br>> will include the corresponding fix.<br>><br>> Regards,<br>><br>> Felipe<br>><br>> ----<br>> Felipe Knop
</font></tt><a href="mailto:knop@us.ibm.com"><tt><font size=2 color=blue><u>knop@us.ibm.com</u></font></tt></a><tt><font size=2><br>> GPFS Development and Security<br>> IBM Systems<br>> IBM Building 008<br>> 2455 South Rd, Poughkeepsie, NY 12601<br>> (845) 433-9314 T/L 293-9314<br>><br>><br>><br>><br>><br>> From: Ryan Novosielski <</font></tt><a href="mailto:novosirj@rutgers.edu"><tt><font size=2 color=blue><u>novosirj@rutgers.edu</u></font></tt></a><tt><font size=2>><br>> To: gpfsug main discussion list <</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss@spectrumscale.org</u></font></tt></a><tt><font size=2>><br>> Date: 05/15/2018 12:56 PM<br>> Subject: Re: [gpfsug-discuss] gpfs 4.2.3.6 stops working withkernel<br>> 3.10.0-862.2.3.el7<br>> Sent by: </font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></tt></a><tt><font size=2><br>><br>><br>><br>> I know these dates can move, but any vague idea of a timeframe target
for<br>> release (this quarter, next quarter, etc.)?<br>><br>> Thanks!<br>><br>> --<br>> ____<br>> || \\UTGERS,<br>> |---------------------------*O*---------------------------<br>> ||_// the State | Ryan Novosielski
- </font></tt><a href="mailto:novosirj@rutgers.edu"><tt><font size=2 color=blue><u>novosirj@rutgers.edu</u></font></tt></a><tt><font size=2><br>> || \\ University | Sr. Technologist - 973/972.0922 (2x0922) ~*~ RBHS
Campus<br>> || \\ of NJ | Office of Advanced Research
Computing - MSB<br>> C630, Newark<br>> `'<br>><br>>> On May 14, 2018, at 9:30 AM, Felipe Knop <</font></tt><a href="mailto:knop@us.ibm.com"><tt><font size=2 color=blue><u>knop@us.ibm.com</u></font></tt></a><tt><font size=2>>
wrote:<br>>><br>>> All,<br>>><br>>> Support for RHEL 7.5 and kernel level 3.10.0-862 in Spectrum Scale
is<br>> planned for upcoming PTFs on 4.2.3 and 5.0. Since code changes are
needed<br>> in Scale to support this kernel level, upgrading to one of those upcoming<br>> PTFs will be required in order to run with that kernel.<br>>><br>>> Regards,<br>>><br>>> Felipe<br>>><br>>> ----<br>>> Felipe Knop </font></tt><a href="mailto:knop@us.ibm.com"><tt><font size=2 color=blue><u>knop@us.ibm.com</u></font></tt></a><tt><font size=2><br>>> GPFS Development and Security<br>>> IBM Systems<br>>> IBM Building 008<br>>> 2455 South Rd, Poughkeepsie, NY 12601<br>>> (845) 433-9314 T/L 293-9314<br>>><br>>><br>>><br>>> <graycol.gif>Andi Rhod Christiansen ---05/14/2018 08:15:25
AM---You are<br>> welcome. I see your concern but as long as IBM has not released spectrum<br>> scale for 7.5 that<br>>><br>>> From: Andi Rhod Christiansen <</font></tt><a href="mailto:arc@b4restore.com"><tt><font size=2 color=blue><u>arc@b4restore.com</u></font></tt></a><tt><font size=2>><br>>> To: gpfsug main discussion list <</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss@spectrumscale.org</u></font></tt></a><tt><font size=2>><br>>> Date: 05/14/2018 08:15 AM<br>>> Subject: Re: [gpfsug-discuss] gpfs 4.2.3.6 stops working
with kernel<br>> 3.10.0-862.2.3.el7<br>>> Sent by: </font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></tt></a><tt><font size=2><br>>><br>>><br>>><br>>><br>>> You are welcome.<br>>><br>>> I see your concern but as long as IBM has not released spectrum
scale for<br>> 7.5 that is their only solution, in regards to them caring about security
I<br>> would say yes they do care, but from their point of view either they
tell<br>> the customer to upgrade as soon as red hat releases new versions and<br>> forcing the customer to be down until they have a new release or they
tell<br>> them to stay on supported level to a new release is ready.<br>>><br>>> they should release a version supporting the new kernel soon,
IBM told me<br>> when I asked that they are "currently testing and have a support
date soon"<br>>><br>>> Best regards.<br>>><br>>><br>>> -----Oprindelig meddelelse-----<br>>> Fra: </font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></tt></a><tt><font size=2><br>> <</font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></tt></a><tt><font size=2>>
På vegne af </font></tt><a href="mailto:z.han@imperial.ac.uk"><tt><font size=2 color=blue><u>z.han@imperial.ac.uk</u></font></tt></a><tt><font size=2><br>>> Sendt: 14. maj 2018 13:59<br>>> Til: gpfsug main discussion list <</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss@spectrumscale.org</u></font></tt></a><tt><font size=2>><br>>> Emne: Re: [gpfsug-discuss] gpfs 4.2.3.6 stops working with kernel<br>> 3.10.0-862.2.3.el7<br>>><br>>> Thanks. Does IBM care about security, one would ask? In this case
I'd<br>> choose to use the new kernel for my virtualization over gpfs ... sigh<br>>><br>>><br>>> </font></tt><a href="https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Faccess.redhat.com%2Ferrata%2FRHSA-2018%3A1318&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C9de921b6a0484477f7bd08d5baad3f4e%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636620175613513903&sdata=L2H1ME5Wa9iKpMRr%2FbQ8WKiEKVTcikrs7vQRuXBtBOw%3D&reserved=0" target="_blank"><tt><font size=2 color=blue><u>https://access.redhat.com/errata/RHSA-2018:1318</u></font></tt></a><tt><font size=2><br>>><br>>> Kernel: KVM: error in exception handling leads to wrong debug
stack value<br>> (CVE-2018-1087)<br>>><br>>> Kernel: error in exception handling leads to DoS (CVE-2018-8897)<br>>> Kernel: ipsec: xfrm: use-after-free leading to potential privilege<br>> escalation (CVE-2017-16939)<br>>><br>>> kernel: Out-of-bounds write via userland offsets in ebt_entry
struct in<br>> netfilter/ebtables.c (CVE-2018-1068)<br>>><br>>> ...<br>>><br>>><br>>> On Mon, 14 May 2018, Andi Rhod Christiansen wrote:<br>>>> Date: Mon, 14 May 2018 11:10:18 +0000<br>>>> From: Andi Rhod Christiansen <</font></tt><a href="mailto:arc@b4restore.com"><tt><font size=2 color=blue><u>arc@b4restore.com</u></font></tt></a><tt><font size=2>><br>>>> Reply-To: gpfsug main discussion list<br>>>> <</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss@spectrumscale.org</u></font></tt></a><tt><font size=2>><br>>>> To: gpfsug main discussion list <</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss@spectrumscale.org</u></font></tt></a><tt><font size=2>><br>>>> Subject: Re: [gpfsug-discuss] gpfs 4.2.3.6 stops working with
kernel<br>>>> 3.10.0-862.2.3.el7<br>>>><br>>>> Hi,<br>>>><br>>>> Yes, kernel 3.10.0-862.2.3.el7 is not supported yet as it
is RHEL 7.5<br>>>> and latest support is 7.4. You have to revert back to 3.10.0-693
\U0001f60a<br>>>><br>>>> I just had the same issue<br>>>><br>>>> Revert to previous working kernel at redhat 7.4 release which
is<br>> 3.10.9.693. Make sure kernel-headers and kernel-devel are also at
this<br>> level.<br>>>><br>>>><br>>>> Best regards<br>>>> Andi R. Christiansen<br>>>><br>>>> -----Oprindelig meddelelse-----<br>>>> Fra: </font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></tt></a><tt><font size=2><br>>>> <</font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss-bounces@spectrumscale.org</u></font></tt></a><tt><font size=2>>
På vegne af<br>>>> </font></tt><a href="mailto:z.han@imperial.ac.uk"><tt><font size=2 color=blue><u>z.han@imperial.ac.uk</u></font></tt></a><tt><font size=2><br>>>> Sendt: 14. maj 2018 12:33<br>>>> Til: gpfsug main discussion list <</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org"><tt><font size=2 color=blue><u>gpfsug-discuss@spectrumscale.org</u></font></tt></a><tt><font size=2>><br>>>> Emne: [gpfsug-discuss] gpfs 4.2.3.6 stops working with kernel<br>>>> 3.10.0-862.2.3.el7<br>>>><br>>>> Dear All,<br>>>><br>>>> Any one has the same problem?<br>>>><br>>>> /usr/bin/make -C /usr/src/kernels/3.10.0-862.2.3.el7.x86_64
ARCH=x86_64<br>> M=/usr/lpp/mmfs/src/gpl-linux CONFIGDIR=/usr/lpp/mmfs/src/config ;
\ if<br>> [ $? -ne 0 ]; then \<br>>>> exit 1;\<br>>>> fi<br>>>> make[2]: Entering directory<br>> `/usr/src/kernels/3.10.0-862.2.3.el7.x86_64'<br>>>> LD /usr/lpp/mmfs/src/gpl-linux/built-in.o<br>>>> CC [M] /usr/lpp/mmfs/src/gpl-linux/tracelin.o<br>>>> CC [M] /usr/lpp/mmfs/src/gpl-linux/tracedev-ksyms.o<br>>>> CC [M] /usr/lpp/mmfs/src/gpl-linux/ktrccalls.o<br>>>> CC [M] /usr/lpp/mmfs/src/gpl-linux/relaytrc.o<br>>>> LD [M] /usr/lpp/mmfs/src/gpl-linux/tracedev.o<br>>>> CC [M] /usr/lpp/mmfs/src/gpl-linux/mmfsmod.o<br>>>> LD [M] /usr/lpp/mmfs/src/gpl-linux/mmfs26.o<br>>>> CC [M] /usr/lpp/mmfs/src/gpl-linux/cfiles_cust.o<br>>>> In file included from /usr/lpp/mmfs/src/gpl-linux/dir.c:63:0,<br>>>> from
/usr/lpp/mmfs/src/gpl-linux/cfiles.c:58,<br>>>> from
/usr/lpp/mmfs/src/gpl-linux/cfiles_cust.c:55:<br>>>> /usr/lpp/mmfs/src/gpl-linux/inode.c: In function \u02bdprintInode\u02bc:<br>>>> /usr/lpp/mmfs/src/gpl-linux/trcid.h:1208:57: error: \u02bdstruct
inode\u02bc has<br>> no member named \u02bdi_wb_list\u02bc<br>>>> _TRACE6D(_HOOKWORD(TRCID_PRINTINODE_8),
(Int64)(&(iP->i_wb_list)),<br>> (Int64)(iP->i_wb_list.next), (Int64)(iP->i_wb_list.prev), (Int64)(&(iP-><br>> i_lru)), (Int64)(iP->i_lru.next), (Int64)(iP->i_lru.prev));<br>>>>
^ ......<br>>>> _______________________________________________<br>>>> gpfsug-discuss mailing list<br>>>> gpfsug-discuss at </font></tt><a href="http://spectrumscale.org"><tt><font size=2 color=blue><u>spectrumscale.org</u></font></tt></a><tt><font size=2><br>>>> </font></tt><a href="https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgpfsug.org%2Fmailman%2Flistinfo%2Fgpfsug-discuss&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C9de921b6a0484477f7bd08d5baad3f4e%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636620175613513903&sdata=E%2FsurH4Wuw9g9gIWsSWfl1jWqfJCP0GZ4EXfEHfmJ0s%3D&reserved=0" target="_blank"><tt><font size=2 color=blue><u>http://gpfsug.org/mailman/listinfo/gpfsug-discuss</u></font></tt></a><tt><font size=2><br>>> _______________________________________________<br>>> gpfsug-discuss mailing list<br>>> gpfsug-discuss at </font></tt><a href="http://spectrumscale.org"><tt><font size=2 color=blue><u>spectrumscale.org</u></font></tt></a><tt><font size=2><br>>> </font></tt><a href="https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgpfsug.org%2Fmailman%2Flistinfo%2Fgpfsug-discuss&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C9de921b6a0484477f7bd08d5baad3f4e%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636620175613523916&sdata=hVbBltH7eU%2BWm9mrytAGsLRAZLEHCr4ZHQmKT0eHawg%3D&reserved=0" target="_blank"><tt><font size=2 color=blue><u>http://gpfsug.org/mailman/listinfo/gpfsug-discuss</u></font></tt></a><tt><font size=2><br>>><br>>><br>>><br>>><br>>> _______________________________________________<br>>> gpfsug-discuss mailing list<br>>> gpfsug-discuss at </font></tt><a href="http://spectrumscale.org"><tt><font size=2 color=blue><u>spectrumscale.org</u></font></tt></a><tt><font size=2><br>>><br>> </font></tt><a 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color=blue><u>spectrumscale.org</u></font></tt></a><tt><font size=2><br>> </font></tt><a href="https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgpfsug.org%2Fmailman%2Flistinfo%2Fgpfsug-discuss&data=02%7C01%7CKevin.Buterbaugh%40vanderbilt.edu%7C9de921b6a0484477f7bd08d5baad3f4e%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C636620175613533917&sdata=NgBMmxOuTMsbRhtp5OjbkMT%2FWlgnuzNU%2B4ZzJCLlFLg%3D&reserved=0" target="_blank"><tt><font size=2 color=blue><u>http://gpfsug.org/mailman/listinfo/gpfsug-discuss</u></font></tt></a><tt><font size=2><br>><br>><br>><br>><br>><br>> _______________________________________________<br>> gpfsug-discuss mailing list<br>> gpfsug-discuss at </font></tt><a href="http://spectrumscale.org"><tt><font size=2 color=blue><u>spectrumscale.org</u></font></tt></a><tt><font size=2><br>> </font></tt><a 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