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- 06 WireGuard @01_linux:10_network
- s, 23 seconds ago transfer: 31.21 KiB received, 16.46 KiB sent peer: kyxjavtAIH81YHs327/OJ9BYkryB6e
- 18 SSH 高速化(arcfour256) rsync @01_linux:01_net
- == ===== scp ===== # scp -c arcfour256 -r 192.168.10.11:/work/backups/ /work/backups/ rsyncも下記の... c ===== # rsync -av -e "ssh -c arcfour256" 192.168.10.11:/work/backups/ /work/backups/ [[http://b... # rsync -av -e "ssh -c arcfour256 -i key" 192.168.10.11:/work/backups/ /work/backups/ {{tag>ssh r
- 08 Ubuntu Nat iptables直 @01_linux:30_ubuntu
- ip_forward=1 ===== SNAT ===== 下記の状態で、eth1側から192.168.100.0/24からのアクセスだけIPマスカレードする。 |enp1s0|グローバル側|10.10.10.76| |enp6s0|ローカル側|192.168.100.76| iptables -A INPUT -m state --state RE... RWARD DROP iptables -A FORWARD -i enp6s0 -s 192.168.100.0/24 -j ACCEPT ===== iptables 永続化 ===== 下... ESTABLISHED -j ACCEPT -A FORWARD -i enp6s0 -s 192.168.100.0/24 -j ACCEPT COMMIT # NAT *nat -F :POSTRO
- 06 Ubuntu Network設定 @01_linux:30_ubuntu
- - bond0 addresses: - 10.10.0.10/16 nameservers: addresses: [] ... vlan.100 addresses: - 100.100.0.10/16 gateway4: 100.100.255.254 nameservers... s: eno1: addresses: - 10.10.0.101/16 gateway4: 10.10.0.1 nameservers: ... - eno1 addresses: - 10.10.0.101/16 gateway4: 10.10.0.1 nameservers:
- 08 qcow2 バックアップ 外部へ取得する場合(online external) @01_linux:08_仮想化:kvm
- ual size: 25 GiB (26843545600 bytes) disk size: 4.16 GiB cluster_size: 65536 Format specific informati... : 1.1 lazy refcounts: true refcount bits: 16 corrupt: false # cp /var/lib/libvirt/images/... : 1.1 lazy refcounts: true refcount bits: 16 corrupt: false # qemu-img info /backups/testv... 1.1 lazy refcounts: false refcount bits: 16 corrupt: false # ll -h /backups/testvm.qcow2.
- 11 KVM名前変更 @01_linux:08_仮想化:kvm
- /libvirt/qemu/ -rw------- 1 root root 6906 Jan 19 16:02 vm-001.xml -rw------- 1 root root 6906 Apr 27
- 38 cephadmでcephインストール後、openstackで利用 @01_linux:13_storage
- dm install ==== initial bootstrap ceph ==== 192.168.0.101は、ストレージネットワーク <code> # mkdir -p /etc/ceph # cephadm bootstrap --mon-ip 192.168.0.101 --initial-dashboard-user admin --initial-d... ph.pub root@ceph03 ceph orch host add ceph01 192.168.0.101 ceph orch host add ceph02 192.168.0.102 ceph orch host add ceph03 192.168.0.103 ceph orch hos
- 09 qcow2 backing file @01_linux:08_仮想化:kvm
- e: to.qcow2 file format: qcow2 virtual size: 15G (16106127360 bytes) disk size: 196K cluster_size: 655... 1.1 lazy refcounts: false refcount bits: 16 corrupt: false </code> ===== backing元ファイルへ差分... e: to.qcow2 file format: qcow2 virtual size: 15G (16106127360 bytes) disk size: 256K cluster_size: 655... 1.1 lazy refcounts: false refcount bits: 16 corrupt: false </code> これだとcommitで、from2.qco
- 16 Ubuntu sysstat @01_linux:30_ubuntu
- ====== 16 Ubuntu sysstat ====== [[01_linux:12_ツール:04_sar|sar]]でサーバの状況を表示する。 [[01_linux:30_ubuntu:07_u
- 37 LINSOTR + OpenStack @01_linux:13_storage
- _release: "yoga" kolla_internal_vip_address: "192.168.30.254" network_interface: "bond1" neutron_exter... lla_verify_tls_backend: "no" docker_registry: 192.168.30.101:4000 docker_registry_insecure: "yes" koll... der_backup_driver: "nfs" cinder_backup_share: "192.168.30.101:/nfs" </code> {{tag>LINSOTR OpenStack}}
- 36 LINSTOR Bcache @01_linux:13_storage
- のインストール自体は下記で行う。 [[06_virtualization:05_container:16_kubernetes_linstor#3. LINSTORインストール]] ===== 2.デ... bd1000 147:1000 0 2G 0 disk zd16 230:16 0 512M 0 disk └─bcache0 252:0 0 2G
- 13 ZFS logbias @01_linux:13_storage
- ghput DataPool logbias=throughput write: IOPS=716, BW=2868KiB/s (2937kB/s)(28.3MiB/10089msec) wri... tency DataPool logbias = latency write: IOPS=1666, BW=208MiB/s (218MB/s)(2091MiB/10036msec) wri
- 15 Ubuntu ZFS zfs_arc_max @01_linux:30_ubuntu
- Max size (high water): 16:1 251.8 GiB Most Frequently Used (MFU) c... しまいまいます。</color> 512Gの場合、512Gの32/1で16G程度が最低でした。 16Gにしてみる <code> echo "17179869184" > /sys/module/zfs... 0 0 0 0 0 0 0 65M 16G </code> もしzfs_arc_maxを下げた場合は、一度メモリを開放する sy
- tuned @01_linux:09_ベンチマーク
- 3MB iops: 423 latency:ms"4":100 "Rand-Read-16K" bw: 56MB iops: 3534 latency:us"250":53.817749 "Rand-Write-16K" bw: 50MB iops: 3144 latency:us"500":88.792419 ... ps: 488 latency:ms"4":89.453125 "Rand-Read-16K" bw:119MB iops: 7488 latency:us"250":99.998474 "Rand-Write-16K" bw:290MB iops:18174 latency:us"100":89.659119
- 06 AB テスト @01_linux:09_ベンチマーク
- 17 177 206.1 48 586 Waiting: 17 160 180.7 47 508 Total: 25 185 206.