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출처 / 참고: Linux man-pages (rsync(1), getfacl(1), setfacl(1)), Sambas rsync performance tuning documentation 명령어: rsync, iostat, xargs, parallel, getfacl, setfacl, ionice 키워드: rsync, NAS sync, I/O Bottleneck, Permission Denied, ACL loss, –numeric-ids, parallel rsync, –inplace, whole-file 사용처: 수백만 개 대용량 NAS/NFS 데이터 마이그레이션 중 전송 속도 저하, 스토리지 과부하(...

출처 / 참고: Linux man-pages (nfs(5), mount(8), umount(8)), IETF RFC 7530 (Network File System (NFS) Version 4 Protocol - Section 8.4.4.1 Filehandle Inspection) 명령어: umount, fuser, lsof, mount, showmount, rpcdebug, cat 키워드: NFS, ESTALE, Stale file handle, Error 116, D state, umount -l, umount -f, nfsstat, fsid, exportfs 사용처: NAS/NFS 공유 디렉터리 접근 ...

출처 / 참고: VMware Broadcom Knowledge Base (Large packet drops at the guest OS level on the VMXNET3 adapter - KB 2039495, Choosing a network adapter for your virtual machine - KB 1001805) 명령어: ethtool, ip, netstat, esxtop, lspci, sysctl 키워드: VMXNET3, E1000, E1000e, Network Packet Loss, rx_dropped, Ring Buffer, rx-ring-size, Paravirtualized, RS...

출처 / 참고: VMware Broadcom Knowledge Base (Recreating a missing virtual machine disk descriptor file .vmdk - KB 1002511, VMware Virtual Disk Format 1.1 Specification) 명령어: vmkfstools, hexdump, cat, grep, ls, stat 키워드: VMDK Descriptor, *-flat.vmdk, Corrupted Descriptor, Recreating vmdk, ddb.geometry, CID, vmkfstools -c, ddb.adapterType 사용처: 가상...

출처 / 참고: VMware Broadcom Knowledge Base (ESXi host disconnects from vCenter Server with Not Responding status - KB 1003409, Troubleshooting agent (vpxa and hostd) issues on ESXi - KB 1006160) 명령어: /etc/init.d/hostd, /etc/init.d/vpxa, esxcli, nc, vmkping, tail 키워드: ESXi Host Disconnecting, vCenter Server, Not Responding, vpxa, hostd, UDP 902...

출처 / 참고: VMware Broadcom Knowledge Base (Powering on a virtual machine fails with the error: Could not power on VM : No swap file - KB 1030262, Virtual machine memory overhead and swap files - KB 1007696) 명령어: vim-cmd, df, vmkfstools, grep, awk, ls 키워드: Cannot power on VM, No swap file found, disk space low, .vswp, memory reservation, sched...

출처 / 참고: VMware Broadcom Knowledge Base (VMware support for open-vm-tools - KB 2073803, Troubleshooting VMware Tools installation or upgrade issues - KB 1037860) 명령어: vmware-toolbox-cmd, systemctl, vim-cmd, yum, apt, ps 키워드: VMware Tools is not running, outdated, open-vm-tools, vmtoolsd, guestInfo, vSphere Client, Auto-Upgrade Failure, repo...