Eu tenho dois compartilhamentos NetApp NFS que são montados por cada um cliente único. Ao copiar arquivos para os compartilhamentos, os clientes travam e, no arquivo de log "/ var / log / messages", "Servidor NFS xxx não está respondendo, ainda está tentando", seguido por uma mensagem "servidor nfs xxx OK" aparece.
Eu já tentei ativar apenas o NFS v3 ou v4 no Netapp, tentei vários outros clientes em diferentes redes com diferentes opções de montagem do servidor. As ações funcionaram por meses agora e após uma breve avaliação da configuração nada mudou no lado da Netapp.
Para fins de teste, criei em um cliente um compartilhamento NFS e o montei em outro cliente envolvido - > funciona bem.
Eu anexei alguns logs - talvez alguém possa tirar mais proveito do que eu ...
Obrigado por qualquer dica sobre isso!
Houve de fato um problema de layer8: Obviamente, obtivemos uma rede separada para comunicação NFS. Embora tenha sido possível, neste caso, conectar e usar conexões NFS em várias outras redes, o tráfego está obviamente em algum lugar em alguns componentes de rede interrompidos. Usando a rede correta resolveu o problema.
rpcdebug -m nfs -s tudo
Jul 26 09:33:41 ovirt-backup kernel: FS-Cache: Loaded
Jul 26 09:33:41 ovirt-backup kernel: FS-Cache: Netfs 'nfs' registered for caching
Jul 26 09:33:41 ovirt-backup kernel: RPC: creating workqueue nfsiod
Jul 26 09:33:41 ovirt-backup kernel: NFS: nfs mount opts='vers=4.1,addr=10.1.66.1,clientaddr=10.1.31.69'
Jul 26 09:33:41 ovirt-backup kernel: NFS: parsing nfs mount option 'vers=4.1'
Jul 26 09:33:41 ovirt-backup kernel: NFS: parsing nfs mount option 'addr=10.1.66.1'
Jul 26 09:33:41 ovirt-backup kernel: NFS: parsing nfs mount option 'clientaddr=10.1.31.69'
Jul 26 09:33:41 ovirt-backup kernel: NFS: MNTPATH: '/V_audit'
Jul 26 09:33:41 ovirt-backup kernel: Key type dns_resolver registered
Jul 26 09:33:41 ovirt-backup kernel: NFS: Registering the id_resolver key type
Jul 26 09:33:41 ovirt-backup kernel: Key type id_resolver registered
Jul 26 09:33:41 ovirt-backup kernel: Key type id_legacy registered
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_try_mount()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_create_server()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_init_server()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_set_client()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_get_client(10.1.66.1,v4)
Jul 26 09:33:41 ovirt-backup kernel: NFS: get client cookie (0xffff8aebe8ac9c00/0xffff8aebcef7d058)
Jul 26 09:33:41 ovirt-backup kernel: nfs_create_rpc_client: cannot create RPC client. Error = -22
Jul 26 09:33:41 ovirt-backup kernel: nfs_create_rpc_client: cannot create RPC client. Error = -93
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_put_client({1})
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_free_client(4)
Jul 26 09:33:41 ovirt-backup kernel: NFS: releasing client cookie (0xffff8aebe8ac9c00/0xffff8aebcef7d058)
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs_free_client()
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs4_init_client() = xerror -93
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs4_set_client() = xerror -93
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs4_init_server() = -93
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_free_server()
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs_free_server()
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs4_create_server() = error -93
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs4_try_mount() = -93 [error]
Jul 26 09:33:41 ovirt-backup kernel: NFS: nfs mount opts='vers=4.0,addr=10.1.66.1,clientaddr=10.1.31.69'
Jul 26 09:33:41 ovirt-backup kernel: NFS: parsing nfs mount option 'vers=4.0'
Jul 26 09:33:41 ovirt-backup kernel: NFS: parsing nfs mount option 'addr=10.1.66.1'
Jul 26 09:33:41 ovirt-backup kernel: NFS: parsing nfs mount option 'clientaddr=10.1.31.69'
Jul 26 09:33:41 ovirt-backup kernel: NFS: MNTPATH: '/V_audit'
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_try_mount()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_create_server()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_init_server()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs4_set_client()
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_get_client(10.1.66.1,v4)
Jul 26 09:33:41 ovirt-backup kernel: NFS: get client cookie (0xffff8aebe8ac9c00/0xffff8aebc0f90000)
Jul 26 09:33:41 ovirt-backup kernel: nfs_create_rpc_client: cannot create RPC client. Error = -22
Jul 26 09:33:41 ovirt-backup kernel: nfs_create_rpc_client: cannot create RPC client. Error = -93
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_put_client({1})
Jul 26 09:33:41 ovirt-backup kernel: --> nfs_free_client(4)
Jul 26 09:33:41 ovirt-backup kernel: NFS: releasing client cookie (0xffff8aebe8ac9c00/0xffff8aebc0f90000)
Jul 26 09:33:41 ovirt-backup kernel: <-- nfs_free_client()
Jul 26 09:39:10 ovirt-backup systemd-logind: New session 6 of user root.
Jul 26 09:39:10 ovirt-backup systemd: Started Session 6 of user root.
Jul 26 09:39:10 ovirt-backup systemd: Starting Session 6 of user root.
Jul 26 09:39:11 ovirt-backup kernel: NFS: permission(0:39/3560439872), mask=0x81, res=0
Jul 26 09:39:11 ovirt-backup kernel: NFS: lookup(/vProtect-RHV.tar.gz)
Jul 26 09:39:11 ovirt-backup kernel: NFS call lookup vProtect-RHV.tar.gz
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560439872 fh_crc=0x0a5a63df ct=2 info=0x27e7f)
Jul 26 09:39:11 ovirt-backup kernel: NFS reply lookup: -2
Jul 26 09:39:11 ovirt-backup kernel: NFS: permission(0:39/3560439872), mask=0x3, res=0
Jul 26 09:39:11 ovirt-backup kernel: NFS: create(0:39/3560439872), vProtect-RHV.tar.gz
Jul 26 09:39:11 ovirt-backup kernel: NFS call create vProtect-RHV.tar.gz
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560439872 fh_crc=0x0a5a63df ct=2 info=0x7feff)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_fhget(0:39/3560458765 fh_crc=0x69886556 ct=1)
Jul 26 09:39:11 ovirt-backup kernel: NFS reply create: 0
Jul 26 09:39:11 ovirt-backup kernel: NFS: permission(0:39/3560458765), mask=0x20, res=0
Jul 26 09:39:11 ovirt-backup kernel: NFS: open file(/vProtect-RHV.tar.gz)
Jul 26 09:39:11 ovirt-backup kernel: NFS: llseek file(/vProtect-RHV.tar.gz, 0, 0)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write(/vProtect-RHV.tar.gz, 65536@0)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@0)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@0)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@0)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 4096)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@4096)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@4096)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@4096)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 8192)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@8192)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@8192)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@8192)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 12288)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@12288)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@12288)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@12288)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 16384)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@16384)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@16384)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@16384)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 20480)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@20480)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@20480)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@20480)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 24576)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@24576)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@24576)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@24576)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 28672)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@28672)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@28672)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@28672)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 32768)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@32768)
Jul 26 09:39:11 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@32768)
Jul 26 09:39:11 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@32768)
Jul 26 09:39:12 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@17567744)
Jul 26 09:39:12 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@17567744)
Jul 26 09:39:12 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@17567744)
Jul 26 09:39:12 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 17571840)
Jul 26 09:39:12 ovirt-backup kernel: NFS: write_begin(/vProtect-RHV.tar.gz(3560458765), 4096@17571840)
Jul 26 09:39:12 ovirt-backup kernel: NFS: write_end(/vProtect-RHV.tar.gz(3560458765), 4096@17571840)
Jul 26 09:39:12 ovirt-backup kernel: NFS: nfs_updatepage(/vProtect-RHV.tar.gz 4096@17571840)
Jul 26 09:39:12 ovirt-backup kernel: NFS: nfs_updatepage returns 0 (isize 17575936)
Jul 26 09:43:12 ovirt-backup kernel: nfs: server 10.1.66.1 not responding, still trying
Jul 26 09:43:12 ovirt-backup rsyslogd: imjournal: 2180749 messages lost due to rate-limiting
Jul 26 09:44:15 ovirt-backup kernel: nfs: server 10.1.66.1 not responding, still trying
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5977, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5976, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5975, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5974, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5973, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5972, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5971, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5970, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5969, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5968, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5967, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5966, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5965, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5964, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5963, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5962, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5961, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5960, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5959, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5958, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5957, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5956, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5955, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5954, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5953, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5952, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5951, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5950, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5949, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5948, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5947, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5946, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5945, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5944, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5943, (status 65536)
....
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6232, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: nfs: server 10.1.66.1 OK
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 5978, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6231, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6190, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6189, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6219, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6230, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6229, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6218, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS reply getattr: 0
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560439872 fh_crc=0x0a5a63df ct=2 info=0x27e7f)
Jul 26 09:44:16 ovirt-backup kernel: NFS: (0:39/3560439872) revalidation complete
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_weak_revalidate: inode 3560439872 is valid
Jul 26 09:44:16 ovirt-backup kernel: NFS: revalidating (0:39/3560439872)
Jul 26 09:44:16 ovirt-backup kernel: NFS call getattr
Jul 26 09:44:16 ovirt-backup kernel: NFS reply access: 0
Jul 26 09:44:16 ovirt-backup kernel: NFS: revalidating (0:39/3560439872)
Jul 26 09:44:16 ovirt-backup kernel: NFS call getattr
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_pgio_result: 6217, (status 65536)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560458765 fh_crc=0x69886556 ct=1 info=0x7febf)
Jul 26 09:44:16 ovirt-backup kernel: NFS: change_attr change on server for file 0:39/3560458765
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560439872 fh_crc=0x0a5a63df ct=2 info=0x27e7f)
Jul 26 09:44:16 ovirt-backup kernel: NFS reply readdirplus: 676
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560458764 fh_crc=0xe95b37a9 ct=1 info=0x27e7f)
Jul 26 09:44:16 ovirt-backup kernel: NFS: change_attr change on server for file 0:39/3560458764
Jul 26 09:44:16 ovirt-backup kernel: NFS: dentry_delete(/audit_STGT01-S014_last.xml, 40808cc)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_update_inode(0:39/3560458765 fh_crc=0x69886556 ct=1 info=0x27e7f)
Jul 26 09:44:16 ovirt-backup kernel: NFS: change_attr change on server for file 0:39/3560458765
Jul 26 09:44:16 ovirt-backup kernel: NFS: isize change on server for file 0:39/3560458765 (2144600064 to 1864368128)
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_do_filldir() filling ended @ cookie 4096; returning = 0
Jul 26 09:44:16 ovirt-backup kernel: NFS: readdir(/) returns 0
Jul 26 09:44:16 ovirt-backup kernel: NFS: permission(0:39/3560439872), mask=0x81, res=0
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_weak_revalidate: inode 3560439872 is valid
Jul 26 09:44:16 ovirt-backup kernel: NFS: permission(0:39/3560439872), mask=0x81, res=0
Jul 26 09:44:16 ovirt-backup kernel: NFS: permission(0:39/3560439872), mask=0x81, res=0
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_lookup_revalidate(/audit_STGT01-S014_last.xml) is valid
Jul 26 09:44:16 ovirt-backup kernel: NFS: dentry_delete(/audit_STGT01-S014_last.xml, 40808cc)
Jul 26 09:44:16 ovirt-backup kernel: NFS: permission(0:39/3560439872), mask=0x81, res=0
Jul 26 09:44:16 ovirt-backup kernel: NFS: nfs_lookup_revalidate(/vProtect-RHV.tar.gz) is valid
netstat -s
Ip:
8570683 total packets received
0 forwarded
0 incoming packets discarded
8566346 incoming packets delivered
4090947 requests sent out
7 outgoing packets dropped
Icmp:
17 ICMP messages received
0 input ICMP message failed.
ICMP input histogram:
destination unreachable: 17
17 ICMP messages sent
0 ICMP messages failed
ICMP output histogram:
destination unreachable: 17
IcmpMsg:
InType3: 17
OutType3: 17
Tcp:
738 active connections openings
380 passive connection openings
0 failed connection attempts
2 connection resets received
24 connections established
8565920 segments received
4167196 segments send out
389 segments retransmited
0 bad segments received.
23 resets sent
Udp:
392 packets received
17 packets to unknown port received.
0 packet receive errors
465 packets sent
0 receive buffer errors
0 send buffer errors
UdpLite:
TcpExt:
8 invalid SYN cookies received
394 packets pruned from receive queue because of socket buffer overrun
363 TCP sockets finished time wait in fast timer
1044 delayed acks sent
Quick ack mode was activated 99852 times
31152 packets directly queued to recvmsg prequeue.
4 bytes directly in process context from backlog
1791933 bytes directly received in process context from prequeue
7097324 packet headers predicted
540 packets header predicted and directly queued to user
45043 acknowledgments not containing data payload received
38888 predicted acknowledgments
2 times recovered from packet loss by selective acknowledgements
2 congestion windows recovered without slow start after partial ack
7 fast retransmits
343 other TCP timeouts
TCPLossProbes: 1
10994 packets collapsed in receive queue due to low socket buffer
99852 DSACKs sent for old packets
Tags nfs