EC2 error feedback (ongoing)

상태 확인(10/16)

상태체크 1개 fail > 인스턴스 연결성 검사 실패 (9/17부터)

시스템 로그 체크

[ 2.529234] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 2.536127] x86/mm: Checking user space page tables
[ 2.550034] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 2.556997] Run /sbin/init as init process
[ 2.689862] tsc: Refined TSC clocksource calibration: 2400.000 MHz
[ 2.695666] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x22983777dd9, max_idle_ns: 440795300422 ns
[ 2.764824] systemd[1]: Inserted module 'autofs4'
[ 2.784979] systemd[1]: systemd 245.4-4ubuntu3.4 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=hybrid)
[ 2.802025] systemd[1]: Detected virtualization xen.
[ 2.806181] systemd[1]: Detected architecture x86-64.
Welcome to [1mUbuntu 20.04.2 LTS [0m!
[ 2.829178] systemd[1]: Set hostname to <ip-172-31-36-255>.
[ 3.051111] systemd[1]: /lib/systemd/system/dbus.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus/system_bus_socket → /run/dbus/system_bus_socket; please update the unit file accordingly.
[ 3.168533] systemd[1]: Created slice system-modprobe.slice.
[ [0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice [0m.
[ 3.192236] systemd[1]: Created slice system-serial\x2dgetty.slice.
[ [0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice [0m.
[ 3.206011] systemd[1]: Created slice User and Session Slice.
[ [0;32m OK [0m] Created slice [0;1;39mUser and Session Slice [0m.
[ 3.218450] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ [0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch [0m.
[ 3.242470] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[ [0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point [0m.
[ 3.261496] systemd[1]: Reached target User and Group Name Lookups.
[ [0;32m OK [0m] Reached target [0;1;39mUser and Group Name Lookups [0m.
[ 3.281309] systemd[1]: Reached target Slices.
[ [0;32m OK [0m] Reached target [0;1;39mSlices [0m.
[ 3.292891] systemd[1]: Reached target Swap.
[ [0;32m OK [0m] Reached target [0;1;39mSwap [0m.
[ 3.304890] systemd[1]: Listening on Device-mapper event daemon FIFOs.
[ [0;32m OK [0m] Listening on [0;1;39mDevice-mapper event daemon FIFOs [0m.
[ 3.323146] systemd[1]: Listening on LVM2 poll daemon socket.
[ [0;32m OK [0m] Listening on [0;1;39mLVM2 poll daemon socket [0m.
[ 3.341907] systemd[1]: Listening on multipathd control socket.
[ [0;32m OK [0m] Listening on [0;1;39mmultipathd control socket [0m.
[ 3.355694] systemd[1]: Listening on Syslog Socket.
[ [0;32m OK [0m] Listening on [0;1;39mSyslog Socket [0m.
[ 3.369041] systemd[1]: Listening on fsck to fsckd communication Socket.
[ [0;32m OK [0m] Listening on [0;1;39mfsck to fsckd communication Socket [0m.
[ 3.382285] systemd[1]: Listening on initctl Compatibility Named Pipe.
[ [0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe [0m.
[ 3.394020] systemd[1]: Listening on Journal Audit Socket.
[ [0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket [0m.
[ 3.402512] systemd[1]: Listening on Journal Socket (/dev/log).
[ [0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log) [0m.
[ 3.415226] systemd[1]: Listening on Journal Socket.
[ [0;32m OK [0m] Listening on [0;1;39mJournal Socket [0m.
[ 3.425232] systemd[1]: Listening on Network Service Netlink Socket.
[ [0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket [0m.
[ 3.435280] systemd[1]: Listening on udev Control Socket.
[ [0;32m OK [0m] Listening on [0;1;39mudev Control Socket [0m.
[ 3.444677] systemd[1]: Listening on udev Kernel Socket.
[ [0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket [0m.
[ 3.455467] systemd[1]: Mounting Huge Pages File System...
Mounting [0;1;39mHuge Pages File System [0m...
[ 3.469761] systemd[1]: Mounting POSIX Message Queue File System...
Mounting [0;1;39mPOSIX Message Queue File System [0m...
[ 3.485862] systemd[1]: Mounting Kernel Debug File System...
Mounting [0;1;39mKernel Debug File System [0m...
[ 3.500791] systemd[1]: Mounting Kernel Trace File System...
Mounting [0;1;39mKernel Trace File System [0m...
[ 3.516470] systemd[1]: Starting Journal Service...
Starting [0;1;39mJournal Service [0m...
[ 3.540015] systemd[1]: Starting Set the console keyboard layout...
Starting [0;1;39mSet the console keyboard layout [0m...
[ 3.564207] systemd[1]: Starting Create list of static device nodes for the current kernel...
Starting [0;1;39mCreate list of st…odes for the current kernel [0m...
[ 3.604845] systemd[1]: Starting Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling...
Starting [0;1;39mMonitoring of LVM…meventd or progress polling [0m...
[ 3.631026] systemd[1]: Starting Load Kernel Module drm...
Starting [0;1;39mLoad Kernel Module drm [0m...
[ 3.648937] systemd[1]: Condition check resulted in OpenVSwitch configuration for cleanup being skipped.
[ 3.666243] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.
[ 3.695113] systemd[1]: Starting File System Check on Root Device...
Starting [0;1;39mFile System Check on Root Device [0m...
[ 3.735883] systemd[1]: Starting Load Kernel Modules...
Starting [0;1;39mLoad Kernel Modules [0m...
[ 3.768129] systemd[1]: Starting udev Coldplug all Devices...
Starting [0;1;39mudev Coldplug all Devices [0m...
[ 3.784797] systemd[1]: Starting Uncomplicated firewall...
Starting [0;1;39mUncomplicated firewall [0m...
[ 3.808037] systemd[1]: Mounted Huge Pages File System.
[ [0;32m OK [0m] Mounted [0;1;39mHuge Pages File System [0m.
[ 3.834072] systemd[1]: Mounted POSIX Message Queue File System.
[ [0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System [0m.
[ 3.860606] systemd[1]: Started Journal Service.
[ [0;32m OK [0m] Started [0;1;39mJournal Service [0m.
[ [0;32m OK [0m] Mounted [0;1;39mKernel Debug File System [0m.
[ [0;32m OK [0m] Mounted [0;1;39mKernel Trace File System [0m.
[ [0;32m OK [0m] Finished [0;1;39mSet the console keyboard layout [0m.
[ [0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel [0m.
[ [0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm [0m.
[ [0;32m OK [0m] Finished [0;1;39mFile System Check on Root Device [0m.
[ [0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules [0m.
[ [0;32m OK [0m] Finished [0;1;39mUncomplicated firewall [0m.
Mounting [0;1;39mFUSE Control File System [0m...
Mounting [0;1;39mKernel Configuration File System [0m...
[ [0;32m OK [0m] Started [0;1;39mFile System Check Daemon to report status [0m.
Starting [0;1;39mRemount Root and Kernel File Systems [0m...
Starting [0;1;39mApply Kernel Variables [0m...
[ [0;32m OK [0m] Mounted [0;1;39mFUSE Control File System [0m.
[ [0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System [0m.
[ 4.039445] EXT4-fs (xvda1): re-mounted. Opts: discard
[ [0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems [0m.
Starting [0;1;39mFlush Journal to Persistent Storage [0m...
Starting [0;1;39mLoad/Save Random Seed [0m...
Starting [0;1;39mCreate System Users [0m...
[ [0;32m OK [0m] Finished [0;1;39mudev Coldplug all Devices [0m.
[ [0;32m OK [0m] Finished [0;1;39mApply Kernel Variables [0m.
[ [0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed [0m.
[ [0;32m OK [0m] Finished [0;1;39mCreate System Users [0m.
Starting [0;1;39mCreate Static Device Nodes in /dev [0m...
Starting [0;1;39mudev Wait for Complete Device Initialization [0m...
[ [0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev [0m.
Starting [0;1;39mudev Kernel Device Manager [0m...
[ [0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage [0m.
[ [0;32m OK [0m] Started [0;1;39mudev Kernel Device Manager [0m.
[ [0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch [0m.
[ [0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes [0m.
[ [0;32m OK [0m] Found device [0;1;39m/dev/ttyS0 [0m.
[ [0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch [0m.
[ [0;32m OK [0m] Finished [0;1;39mudev Wait for Complete Device Initialization [0m.
Starting [0;1;39mDevice-Mapper Multipath Device Controller [0m...
[ [0;32m OK [0m] Finished [0;1;39mMonitoring of LVM… dmeventd or progress polling [0m.
[ [0;32m OK [0m] Started [0;1;39mDevice-Mapper Multipath Device Controller [0m.
[ [0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre) [0m.
Mounting [0;1;39mMount unit for am…on-ssm-agent, revision 3552 [0m...
Mounting [0;1;39mMount unit for core18, revision 1997 [0m...
Mounting [0;1;39mMount unit for core18, revision 2066 [0m...
Mounting [0;1;39mMount unit for lxd, revision 19647 [0m...
Mounting [0;1;39mMount unit for lxd, revision 20326 [0m...
Mounting [0;1;39mMount unit for snapd, revision 11841 [0m...
Mounting [0;1;39mMount unit for snapd, revision 12057 [0m...
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for amazon-ssm-agent, revision 3552 [0m.
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for core18, revision 1997 [0m.
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for core18, revision 2066 [0m.
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for lxd, revision 19647 [0m.
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for lxd, revision 20326 [0m.
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for snapd, revision 11841 [0m.
[ [0;32m OK [0m] Mounted [0;1;39mMount unit for snapd, revision 12057 [0m.
[ [0;32m OK [0m] Reached target [0;1;39mLocal File Systems [0m.
Starting [0;1;39mLoad AppArmor profiles [0m...
Starting [0;1;39mSet console font and keymap [0m...
Starting [0;1;39mCreate final runt…dir for shutdown pivot root [0m...
Starting [0;1;39mTell Plymouth To Write Out Runtime Data [0m...
Starting [0;1;39mCreate Volatile Files and Directories [0m...
[ [0;32m OK [0m] Finished [0;1;39mSet console font and keymap [0m.
[ [0;32m OK [0m] Finished [0;1;39mCreate final runt…e dir for shutdown pivot root [0m.
[ [0;32m OK [0m] Finished [0;1;39mTell Plymouth To Write Out Runtime Data [0m.
[ [0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories [0m.
Starting [0;1;39mNetwork Time Synchronization [0m...
Starting [0;1;39mUpdate UTMP about System Boot/Shutdown [0m...
[ [0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown [0m.
[ [0;32m OK [0m] Finished [0;1;39mLoad AppArmor profiles [0m.
Starting [0;1;39mLoad AppArmor pro…managed internally by snapd [0m...
Starting [0;1;39mInitial cloud-init job (pre-networking) [0m...
[ [0;32m OK [0m] Finished [0;1;39mLoad AppArmor pro…s managed internally by snapd [0m.
[ [0;32m OK [0m] Started [0;1;39mNetwork Time Synchronization [0m.
[ [0;32m OK [0m] Reached target [0;1;39mSystem Time Set [0m.
[ [0;32m OK [0m] Reached target [0;1;39mSystem Time Synchronized [0m.
[ 6.382788] cloud-init[352]: Cloud-init v. 20.4.1-0ubuntu1~20.04.1 running 'init-local' at Thu, 03 Jun 2021 05:27:54 +0000. Up 6.03 seconds.
[ [0;32m OK [0m] Finished [0;1;39mInitial cloud-init job (pre-networking) [0m.
[ [0;32m OK [0m] Reached target [0;1;39mNetwork (Pre) [0m.
Starting [0;1;39mNetwork Service [0m...
[ [0;32m OK [0m] Started [0;1;39mNetwork Service [0m.
Starting [0;1;39mWait for Network to be Configured [0m...
Starting [0;1;39mNetwork Name Resolution [0m...
[ [0;32m OK [0m] Started [0;1;39mNetwork Name Resolution [0m.
[ [0;32m OK [0m] Reached target [0;1;39mNetwork [0m.
[ [0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups [0m.
[ [0;32m OK [0m] Finished [0;1;39mWait for Network to be Configured [0m.
Starting [0;1;39mInitial cloud-ini… (metadata service crawler) [0m...
[ 9.033642] cloud-init[382]: Cloud-init v. 20.4.1-0ubuntu1~20.04.1 running 'init' at Thu, 03 Jun 2021 05:27:57 +0000. Up 8.91 seconds.
[ 9.043767] cloud-init[382]: ci-info: ++++++++++++++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++++++++++++++
[ 9.052762] cloud-init[382]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+
[ 9.063535] cloud-init[382]: ci-info: | Device | Up | Address | Mask | Scope | Hw-Address |
[ 9.073541] cloud-init[382]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+
[ 9.085432] cloud-init[382]: ci-info: | eth0 | True | 172.31.36.255 | 255.255.240.0 | global | 0a:3d:19:d7:39:58 |
[ 9.096640] cloud-init[382]: ci-info: | eth0 | True | fe80::83d:19ff:fed7:3958/64 | . | link | 0a:3d:19:d7:39:58 |
[ 9.104480] cloud-init[382]: ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . |
[ 9.111045] cloud-init[382]: ci-info: | lo | True | ::1/128 | . | host | . |
[ 9.117359] cloud-init[382]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+
[ 9.124614] cloud-init[382]: ci-info: ++++++++++++++++++++++++++++++Route IPv4 info++++++++++++++++++++++++++++++
[ 9.138900] cloud-init[382]: ci-info: +-------+-------------+-------------+-----------------+-----------+-------+
[ 9.146671] cloud-init[382]: ci-info: | Route | Destination | Gateway | Genmask | Interface | Flags |
[ 9.152934] cloud-init[382]: ci-info: +-------+-------------+-------------+-----------------+-----------+-------+
[ 9.158886] cloud-init[382]: ci-info: | 0 | 0.0.0.0 | 172.31.32.1 | 0.0.0.0 | eth0 | UG |
[ 9.164727] cloud-init[382]: ci-info: | 1 | 172.31.32.0 | 0.0.0.0 | 255.255.240.0 | eth0 | U |
[ 9.171023] cloud-init[382]: ci-info: | 2 | 172.31.32.1 | 0.0.0.0 | 255.255.255.255 | eth0 | UH |
[ 9.177140] cloud-init[382]: ci-info: +-------+-------------+-------------+-----------------+-----------+-------+
[ 9.182811] cloud-init[382]: ci-info: +++++++++++++++++++Route IPv6 info+++++++++++++++++++
[ 9.191505] cloud-init[382]: ci-info: +-------+-------------+---------+-----------+-------+
[ 9.199144] cloud-init[382]: ci-info: | Route | Destination | Gateway | Interface | Flags |
[ 9.205355] cloud-init[382]: ci-info: +-------+-------------+---------+-----------+-------+
[ 9.211612] cloud-init[382]: ci-info: | 1 | fe80::/64 | :: | eth0 | U |
[ 9.223484] cloud-init[382]: ci-info: | 3 | local | :: | eth0 | U |
[ 9.229235] cloud-init[382]: ci-info: | 4 | multicast | :: | eth0 | U |
[ 9.237942] cloud-init[382]: ci-info: +-------+-------------+---------+-----------+-------+
[ [0;32m OK [0m] Finished [0;1;39mInitial cloud-ini…ob (metadata service crawler) [0m.
[ [0;32m OK [0m] Reached target [0;1;39mCloud-config availability [0m.
[ [0;32m OK [0m] Reached target [0;1;39mNetwork is Online [0m.
[ [0;32m OK [0m] Reached target [0;1;39mSystem Initialization [0m.
[ [0;32m OK [0m] Started [0;1;39mACPI Events Check [0m.
[ [0;32m OK [0m] Started [0;1;39mDaily apt download activities [0m.
[ [0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities [0m.
[ [0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems [0m.
[ [0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week [0m.
[ [0;32m OK [0m] Started [0;1;39mRefresh fwupd metadata regularly [0m.
[ [0;32m OK [0m] Started [0;1;39mDaily rotation of log files [0m.
[ [0;32m OK [0m] Started [0;1;39mDaily man-db regeneration [0m.
[ [0;32m OK [0m] Started [0;1;39mMessage of the Day [0m.
[ [0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories [0m.
[ [0;32m OK [0m] Reached target [0;1;39mPaths [0m.
[ [0;32m OK [0m] Reached target [0;1;39mTimers [0m.
[ [0;32m OK [0m] Listening on [0;1;39mACPID Listen Socket [0m.
[ [0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket [0m.
[ [0;32m OK [0m] Listening on [0;1;39mOpen-iSCSI iscsid Socket [0m.
[ [0;32m OK [0m] Listening on [0;1;39mSocket unix for snap application lxd.daemon [0m.
Starting [0;1;39mSocket activation for snappy daemon [0m.
[ [0;32m OK [0m] Listening on [0;1;39mUUID daemon activation socket [0m.
[ [0;32m OK [0m] Reached target [0;1;39mRemote File Systems (Pre) [0m.
[ [0;32m OK [0m] Reached target [0;1;39mRemote File Systems [0m.
Starting [0;1;39mAvailability of block devices [0m...
[ [0;32m OK [0m] Listening on [0;1;39mSocket activation for snappy daemon [0m.
[ [0;32m OK [0m] Finished [0;1;39mAvailability of block devices [0m.
[ [0;32m OK [0m] Reached target [0;1;39mSockets [0m.
[ [0;32m OK [0m] Reached target [0;1;39mBasic System [0m.
Starting [0;1;39mAccounts Service [0m...
[ [0;32m OK [0m] Started [0;1;39mACPI event daemon [0m.
Starting [0;1;39mLSB: automatic crash report generation [0m...
Starting [0;1;39mDeferred execution scheduler [0m...
[ [0;32m OK [0m] Started [0;1;39mRegular background program processing daemon [0m.
[ [0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus [0m.
[ [0;32m OK [0m] Started [0;1;39mSave initial kernel messages after boot [0m.
Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots [0m...
Starting [0;1;39mEC2 Instance Connect Host Key Harvesting [0m...
Starting [0;1;39mLSB: Record successful boot for GRUB [0m...
[ [0;32m OK [0m] Started [0;1;39mirqbalance daemon [0m.
Starting [0;1;39mDispatcher daemon for systemd-networkd [0m...
Starting [0;1;39mSystem Logging Service [0m...
[ [0;32m OK [0m] Started [0;1;39mService for snap a…on-ssm-agent.amazon-ssm-agent [0m.
Starting [0;1;39mService for snap application lxd.activate [0m...
Starting [0;1;39mSnap Daemon [0m...
Starting [0;1;39mLogin Service [0m...
Starting [0;1;39mPermit User Sessions [0m...
[ [0;32m OK [0m] Started [0;1;39mDeferred execution scheduler [0m.
[ [0;32m OK [0m] Started [0;1;39mSystem Logging Service [0m.
[ [0;32m OK [0m] Finished [0;1;39mPermit User Sessions [0m.
Starting [0;1;39mHold until boot process finishes up [0m...
Starting [0;1;39mTerminate Plymouth Boot Screen [0m...
[ [0;32m OK [0m] Finished [0;1;39mHold until boot process finishes up [0m.
[ [0;32m OK [0m] Finished [0;1;39mTerminate Plymouth Boot Screen [0m.
[ [0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0 [0m.
Starting [0;1;39mSet console scheme [0m...
[ [0;32m OK [0m] Finished [0;1;39mSet console scheme [0m.
[ [0;32m OK [0m] Created slice [0;1;39msystem-getty.slice [0m.
[ [0;32m OK [0m] Started [0;1;39mGetty on tty1 [0m.
[ [0;32m OK [0m] Reached target [0;1;39mLogin Prompts [0m.
Starting [0;1;39mHostname Service [0m...
[ [0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots [0m.
[ [0;32m OK [0m] Started [0;1;39mLSB: Record successful boot for GRUB [0m.
[ [0;32m OK [0m] Started [0;1;39mLSB: automatic crash report generation [0m.
Starting [0;1;39mGRUB failed boot detection [0m...
[ [0;32m OK [0m] Finished [0;1;39mGRUB failed boot detection [0m.
Starting [0;1;39mAuthorization Manager [0m...
[ [0;32m OK [0m] Started [0;1;39mAuthorization Manager [0m.
[ [0;32m OK [0m] Started [0;1;39mAccounts Service [0m.
[ [0;32m OK [0m] Started [0;1;39mLogin Service [0m.
[ [0;32m OK [0m] Started [0;1;39mUnattended Upgrades Shutdown [0m.
[ [0;32m OK [0m] Started [0;1;39mHostname Service [0m.
[ [0;32m OK [0m] Started [0;1;39mDispatcher daemon for systemd-networkd [0m.
[ [0;32m OK [0m] Finished [0;1;39mEC2 Instance Connect Host Key Harvesting [0m.
Starting [0;1;39mOpenBSD Secure Shell server [0m...
[ [0;32m OK [0m] Started [0;1;39mOpenBSD Secure Shell server [0m.
[ [0;32m OK [0m] Started [0;1;39mSnap Daemon [0m.
Starting [0;1;39mWait until snapd is fully seeded [0m...
[ [0;32m OK [0m] Finished [0;1;39mWait until snapd is fully seeded [0m.
Starting [0;1;39mApply the settings specified in cloud-config [0m...
[ [0;32m OK [0m] Finished [0;1;39mService for snap application lxd.activate [0m.
[ 13.955889] cloud-init[675]: Cloud-init v. 20.4.1-0ubuntu1~20.04.1 running 'modules:config' at Thu, 03 Jun 2021 05:28:02 +0000. Up 13.81 seconds.
[ [0;32m OK [0m] Finished [0;1;39mApply the settings specified in cloud-config [0m.
Starting [0;1;39mEC2 instance hibernation setup agent [0m...
[ [0;32m OK [0m] Started [0;1;39mEC2 instance hibernation setup agent [0m.
[ [0;32m OK [0m] Reached target [0;1;39mMulti-User System [0m.
[ [0;32m OK [0m] Reached target [0;1;39mGraphical Interface [0m.
Starting [0;1;39mExecute cloud user/final scripts [0m...
Starting [0;1;39mUpdate UTMP about System Runlevel Changes [0m...
[ [0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes [0m.
[ 15.404636] cloud-init[703]: Cloud-init v. 20.4.1-0ubuntu1~20.04.1 running 'modules:final' at Thu, 03 Jun 2021 05:28:03 +0000. Up 15.14 seconds.
[ 15.428782] cloud-init[703]: Cloud-init v. 20.4.1-0ubuntu1~20.04.1 finished at Thu, 03 Jun 2021 05:28:04 +0000. Datasource DataSourceEc2Local. Up 15.39 seconds
Ubuntu 20.04.2 LTS ip-172-31-36-255 ttyS0
ip-172-31-36-255 login: 2021/06/03 05:28:04Z: Amazon SSM Agent v3.0.529.0 is running
2021/06/03 05:28:04Z: OsProductName: Ubuntu
2021/06/03 05:28:04Z: OsVersion: 20.04

시간이 너무 오래 지나서 로그로 확인 불가

지표 확인

에러발생은 2021.09.17 10:26 ~10:33에 발생

2021.09.17 06:40부터 CPU Credit Balance 감소 시작, 23:38에 0
09.17 06:10부터 CPU Credit Usage 증가 시작, 06:40분에 급격히 증가, 07:20 ~ 08:05 동안 max유지(count 5)

network packets out 658(08:02 ~ 08:37), 1.32k(10:00 ~ 10:30) >> 평소의 13배 이상
network packets in 547(01:10 ~ 01:25) >> 평소(100)의 5배 이상
network out 240k(09.17 08:15), 436k(09.17 10:10) >> 평소(10k)의 43배 이상

• 9/15 07:00 ~ 09:30 무렵에도 CPU Credit Usage의 급격한 증가가 있었음
  cpu credit balance 감소발생(09.15 07:20 ~ 09:10에 최소 (104까지))
  network packet in 17.7k (09.15 22:00)
  network packet out 4.08k(09.15 22:00)
  network out 74k(09.15 07:30), 117k(09.15 07:50), 91k(09.15 08:55), 220k(09.15 22:00)

이전에 테스트 상황시,
network packet out 500(08.23 14:45), 600(08.24 14:55), 450(08.26 08:20),
network packet in 6.18k까지 발생하였음(2021.08.23 14:44 / 08.26 08:20 ), 2k발생(08.24 14:55)
cpu credit usage는 0.7을 넘지 않음, 5발생(09.15 06:55~11:20)
cpu credit balance 는 144를 유지, 감소발생(09.15 07:20 ~ 09:10에 최소 (104까지))
network out은 700k까지 발생(08.25 03:30 / 08.27 05:15), 220k(09.15 22:00)

지표 분석

나중에....