Has anyone come across this issue.
Envrionment:
AMD Epyc Processor
64GB RAM
CentOS 7.5
Virtualizor
Linux-kvm
/dev/sdb1 = 2TB SSD with GPT partition set with lvm flag.
Code
# pvdisplay
--- Physical volume ---
PV Name /dev/sdb1
VG Name kvmvg
PV Size 1.86 TiB / not usable 0
Allocatable yes
PE Size 4.00 MiB
Total PE 488855
Free PE 483735
Allocated PE 5120
PV UUID rHjOmT-PhY6-W7b7-SPAQ-kEjp-cIZA-qGIfxC
# vgdisplay
--- Volume group ---
VG Name kvmvg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 1.86 TiB
PE Size 4.00 MiB
Total PE 488855
Alloc PE / Size 5120 / 20.00 GiB
Free PE / Size 483735 / <1.85 TiB
VG UUID GaZyC4-sfDi-Zql3-oJ6j-7c0p-guYH-YI6ppZ
# lvdisplay
--- Logical volume ---
LV Path /dev/kvmvg/vsv1011-dhqwhk57rczjxwag-uuony3jsqpe7zrvc
LV Name vsv1011-dhqwhk57rczjxwag-uuony3jsqpe7zrvc
VG Name kvmvg
LV UUID 3muRja-xZnH-PxZL-eUiH-2ymr-35xz-jWU2cj
LV Write Access read/write
LV Creation host, time amd-02, 2018-08-23 13:31:44 +0200
LV Status available
# open 2
LV Size 20.00 GiB
Current LE 5120
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0
# fdisk -l
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdb: 2050.4 GB, 2050408636416 bytes, 4004704368 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt
Disk identifier: DF789DCA-88F3-4828-A66D-B1C857FBD8F2
# Start End Size Type Name
1 2048 4004704255 1.9T Linux LVM primary
Disk /dev/mapper/kvmvg-vsv1011--dhqwhk57rczjxwag--uuony3jsqpe7zrvc: 21.5 GB, 21474836480 bytes, 41943040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000b136f
Device Boot Start End Blocks Id System
/dev/mapper/kvmvg-vsv1011--dhqwhk57rczjxwag--uuony3jsqpe7zrvc1 * 2048 39847935 19922944 83 Linux
/dev/mapper/kvmvg-vsv1011--dhqwhk57rczjxwag--uuony3jsqpe7zrvc2 39847936 41943039 1047552 82 Linux swap / Solaris
When the "/usr/local/emps/bin/php /usr/local/virtualizor/scripts/cronm.php" cron runs on a linux-kvm host, we see these errors in the /var/log/messages:
Code
Aug 23 13:40:11 amd-02 libvirtd: 2018-08-23 11:40:11.537+0000: 1428: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error
Aug 23 13:40:14 amd-02 libvirtd: 2018-08-23 11:40:14.594+0000: 1428: error : virNetSocketReadWire:1808 : End of file while reading data: Input/output error
Strangely enough, we have another Intel E5-2630v4 server that also produces this error, except the code is 1805 and not 1808:
Code
Aug 23 13:48:08 vnode01 libvirtd: 2018-08-23 11:48:08.704+0000: 24948: error : virNetSocketReadWire:1805 : End of file while reading data: Input/output error
Aug 23 13:48:11 vnode01 libvirtd: 2018-08-23 11:48:11.749+0000: 24948: error : virNetSocketReadWire:1805 : End of file while reading data: Input/output error
Has anyone else encountered this?
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