NetWorker: Kloning mislyktes for alle VMware-lagringssett når oppbevaringslås er aktivert på mtree
Sammendrag: Kloning mislyktes for alle VMware-lagringssett når oppbevaringslås (RL) er aktivert på mtree. System- og databasekloning er vellykket. Bare VMware-lagringssett påvirkes. VMware-kloning fungerer og mislykkes umiddelbart når RL er aktivert. Ingen andre endringer er gjort. ...
Symptomer
NetWorker-serverens daemon.raw rapporterer:
21.05.2025 14:33:02 nsrvproxy_save NSR notice Action backup vmware-vproxy '01_Backup_A' has initialized as 'vproxysave job' with job id 37468067
... <-- backup runtime ~1 min
21.05.2025 14:34:11 nsrvproxy_save NSR notice Action backup vmware-vproxy '01_Backup_A' with job id 37468067 is exiting with status 'succeeded', exit code 0
21.05.2025 14:34:17 nsrclone NSR notice Action clone '02_Clone_A' has initialized as 'clone job' with job id 37468071
... <-- clone runtime (~10 min.) > backup time (~1 min.), which indicates CCR is not working
21.05.2025 14:45:09 nsrclone NSR notice Action clone '02_Clone_A' with job id 37468071 is exiting with status 'failed', exit code 1
- Linux: /nsr/logs/daemon.raw
- Windows (standard): C:\Program Files\EMC NetWorker\nsr\logs\daemon.raw
Handlingsloggen for kloning rapporterer følgende feil.
0 1747830885 1 9 0 20384 12292 0 server.abc.local nsrclone JOBS notice 2 %s 1 0 80 180221:nsrrecopy: Job ID 37468073: Adding new work item '1965934607/1747830799'. 0 1747830916 1 9 0 20384 12292 0 server.abc.local nsrclone JOBS notice 2 %s 1 0 73 202332:nsrrecopy: Unable to obtain the synthetic replication information. 0 1747830979 1 9 0 20384 12292 0 server.abc.local nsrclone JOBS notice 2 %s 1 0 73 202332:nsrrecopy: Unable to obtain the synthetic replication information. ... 0 1747831494 1 9 0 20384 12292 0 server.abc.local nsrclone JOBS notice 2 %s 1 0 406 108651:nsrrecopy: Failed to finish saveset for ss 1965934607 : Retrieving statistics for '/server/abcCloneVM_02/14/67/33faf836-00000006-752dc80f-682dc80f-9b8d5000-ee318156' failed [5004] ([15252] [10316] Wed May 21 14:44:54 2025 ddp_stat() failed, Path server/abcCloneVM_02/14/67/33faf836-00000006-752dc80f-682dc80f-9b8d5000-ee318156, Err: 5004-nfs lookup failed (nfs: No such file or directory)). 0 1747831494 1 9 0 20384 12292 0 server.abc.local nsrclone JOBS notice 2 %s 1 0 361 107512:nsrmmd #94: Retrieving statistics for '/server/abcCloneVM_02/14/67/33faf836-00000006-752dc80f-682dc80f-9b8d5000-ee318156' failed [5004] ([15252] [10316] Wed May 21 14:44:54 2025 ddp_stat() failed, Path server/abcCloneVM_02/14/67/33faf836-00000006-752dc80f-682dc80f-9b8d5000-ee318156, Err: 5004-nfs lookup failed (nfs: No such file or directory)). 0 1747831494 1 9 0 20384 12292 0 server.abc.local nsrclone JOBS notice 2 %s 1 0 103 181307:nsrrecopy: PID-23884 with job ID 37468073 with recover stream ID 164893: Save session is ending.
Årsak
Data Domain er konfigurert med mer enn ett nettverk. Eksempel:
Administrasjonsgrensesnitt:
veth0 10.2.6.5
Datagrensesnitt:
eth5a 194.11.241.160
eth5b 194.11.241.161
Kilde og mål-DD kan nås via administrasjonsgrensesnittet. Rute er angitt, at Datatrafikk flyttes over Datagrensesnitt. Trafikk mellom Mgmt. og Data Interface Port 2051 er blokkert.
TCPdump fra kilde DD viser at det er et tilkoblingsforsøk mellom Mgmt og datagrensesnittet for å målrette DD, port 2051, som er blokkert av en brannmur.
Husk at denne virkemåten ikke oppstår på mtree-er som ikke er RL-aktivert.
1667 08:37:14 10.2.6.5 -> 139.0.198.51 TCP 76 [TCP Retransmission] 52488 > 2051 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 SACK_PERM=1 TSval=3741408423 TSecr=0 WS=256 1668 08:37:14 10.2.6.5 -> 139.0.198.51 TCP 76 [TCP Retransmission] 52488 > 2051 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 SACK_PERM=1 TSval=3741408423 TSecr=0 WS=256 3973 08:37:17 10.2.6.5 -> 139.0.198.51 TCP 76 [TCP Retransmission] 52488 > 2051 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 SACK_PERM=1 TSval=3741410472 TSecr=0 WS=256 3974 08:37:17 10.2.6.5 -> 139.0.198.51 TCP 76 [TCP Retransmission] 52488 > 2051 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 SACK_PERM=1 TSval=3741410472 TSecr=0 WS=25
Oppløsning
Dette problemet undersøkes av DD Engineering.
Omgåelse av problemet:
Legg til en ekstra rute på kilden DD:
route add net NETWORK_IP_ADDRESS netmask SUBNET_MASK gw GATEWAY_IP_ADDRESS NETWORK_ADAPTER_NAME