| Hello,
kernel actually running in nodes is 4.11.1-1.el7.elrepo.x86_64
use case:
3 compute nodes in cluster corosync/pacemaker
resources
dlm clvm gfs volume 1 gfs volume 2
volume journal size 256MB
please tell me cmds for more informations
Thank you!
S pozdravem Kristián Feldsam Tel.: +420 773 303 353, +421 944 137 535 E-mail.: support@xxxxxxxxxxxwww.feldhost.cz - FeldHost™ – profesionální hostingové a serverové služby za adekvátní ceny. FELDSAM s.r.o. V rohu 434/3 Praha 4 – Libuš, PSČ 142 00 IČ: 290 60 958, DIČ: CZ290 60 958 C 200350 vedená u Městského soudu v Praze Banka: Fio banka a.s. Číslo účtu: 2400330446/2010 BIC: FIOBCZPPXX IBAN: CZ82 2010 0000 0024 0033 0446
Hi,On 19/07/17 00:39, Digimer wrote:On 2017-07-18 07:25 PM, Kristián Feldsam wrote:
Hello, I see today GFS2 errors in log and nothing about that is on net,
so I writing to this mailing list.
node2 19.07.2017 01:11:55 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-4549568322848002755
node2 19.07.2017 01:10:56 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-8191295421473926116
node2 19.07.2017 01:10:48 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-8225402411152149004
node2 19.07.2017 01:10:47 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-8230186816585019317
node2 19.07.2017 01:10:45 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-8242007238441787628
node2 19.07.2017 01:10:39 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-8250926852732428536
node3 19.07.2017 00:16:02 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete
nr=-5150933278940354602
node3 19.07.2017 00:16:02 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete nr=-64
node3 19.07.2017 00:16:02 kernel kern err vmscan: shrink_slab:
gfs2_glock_shrink_scan+0x0/0x2f0 [gfs2] negative objects to delete nr=-64
Would somebody explain this errors? cluster is looks like working
normally. I enabled vm.zone_reclaim_mode = 1 on nodes...
Thank you!
Please post this to the Clusterlabs - Users list. This ML is deprecated.
cluster-devel is the right list for GFS2 issues. This looks like a bug to me, since the object count should never be negative. The glock shrinker is not (yet) zone aware, although the quota shrinker is. Not sure if that is related, but perhaps.... certainly something we'd like to investigate further. That said the messages in themselves are harmless, but it will likely indicate a less than optimal use of memory. If there are any details that can be shared about the use case, and how to reproduce that will be very helpful for us to know. Also what kernel version was this?Steve.
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