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тАО05-22-2003 11:16 PM
тАО05-22-2003 11:16 PM
Vdump over NFS not working properly
Dear Experts,
Our company is using one ES40 (host=bmis0) and one DS20 (host=bmis1).
In the DS20 there is a share NFS directory
which is configure to access by ES40.
In the /etc/exports it is configure as /usr/sap/trans -root=bmis0.
In bmis0, I mounted the shared directory
to the local directory of /usr/sap/trans.
This directory is shared by both our SAP application in bmis0 and bmis1.
From the host bmis0 I can access the /usr/sap/trans of bmis1 without problem.
The only problem comes when I tried to backup our entire system in bmis0 using vdump including the directory /usr/sap/trans.
(/sbin/vdump -0uf /dev/ntape/tape1_d1 /usr/sap/trans )
It seems to be very slow and the connection seems to be hanging. I have to terminate it
as it is not working correct.
I have the below vdump message.
Hope anyone could help. Thank you.
path : /usr/sap/trans
dev/fset : bmis1:/usr/sap/trans
type : nfsv3
vdump: Date of last level 0 dump: the start of the epoch
vdump: Dumping directories
vdump: Dumping 2555233154 bytes, 15 directories, 793 files
vdump: Dumping regular files
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
vdump: Status at Fri May 23 09:51:54 2003
vdump: Dumped 4950761 of 2555233154 bytes; 0.2% completed
vdump: Dumped 4 of 15 directories; 26.7% completed
vdump: Dumped 17 of 793 files; 2.1% completed
vdump: Status at Fri May 23 10:02:27 2003
vdump: Dumped 5648990 of 2555233154 bytes; 0.2% completed
vdump: Dumped 4 of 15 directories; 26.7% completed
vdump: Dumped 19 of 793 files; 2.4% completed
vdump: Status at Fri May 23 10:45:08 2003
vdump: Dumped 8436903 of 2555233154 bytes; 0.3% completed
vdump: Dumped 4 of 15 directories; 26.7% completed
vdump: Dumped 21 of 793 files; 2.6% completed
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
vdump: Do you want to abort the dump? (yes or no) yes
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
vdump: terminating
Our company is using one ES40 (host=bmis0) and one DS20 (host=bmis1).
In the DS20 there is a share NFS directory
which is configure to access by ES40.
In the /etc/exports it is configure as /usr/sap/trans -root=bmis0.
In bmis0, I mounted the shared directory
to the local directory of /usr/sap/trans.
This directory is shared by both our SAP application in bmis0 and bmis1.
From the host bmis0 I can access the /usr/sap/trans of bmis1 without problem.
The only problem comes when I tried to backup our entire system in bmis0 using vdump including the directory /usr/sap/trans.
(/sbin/vdump -0uf /dev/ntape/tape1_d1 /usr/sap/trans )
It seems to be very slow and the connection seems to be hanging. I have to terminate it
as it is not working correct.
I have the below vdump message.
Hope anyone could help. Thank you.
path : /usr/sap/trans
dev/fset : bmis1:/usr/sap/trans
type : nfsv3
vdump: Date of last level 0 dump: the start of the epoch
vdump: Dumping directories
vdump: Dumping 2555233154 bytes, 15 directories, 793 files
vdump: Dumping regular files
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
vdump: Status at Fri May 23 09:51:54 2003
vdump: Dumped 4950761 of 2555233154 bytes; 0.2% completed
vdump: Dumped 4 of 15 directories; 26.7% completed
vdump: Dumped 17 of 793 files; 2.1% completed
vdump: Status at Fri May 23 10:02:27 2003
vdump: Dumped 5648990 of 2555233154 bytes; 0.2% completed
vdump: Dumped 4 of 15 directories; 26.7% completed
vdump: Dumped 19 of 793 files; 2.4% completed
vdump: Status at Fri May 23 10:45:08 2003
vdump: Dumped 8436903 of 2555233154 bytes; 0.3% completed
vdump: Dumped 4 of 15 directories; 26.7% completed
vdump: Dumped 21 of 793 files; 2.6% completed
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
vdump: Do you want to abort the dump? (yes or no) yes
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
NFS3 server bmis1 not responding still trying
NFS3 server bmis1 ok
vdump: terminating
2 REPLIES 2
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тАО05-23-2003 12:59 AM
тАО05-23-2003 12:59 AM
Re: Vdump over NFS not working properly
try to use the -b parameter for vdump. It seems to be a network or I/O bottleneck if "stil trying" messages is displayed.
Maybe mounting the nfs directory with a smaller r/wsize will solve the problem.
Maybe mounting the nfs directory with a smaller r/wsize will solve the problem.
Help() { FirstReadManual(urgently); Go_to_it;; }
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тАО05-23-2003 01:16 AM
тАО05-23-2003 01:16 AM
Re: Vdump over NFS not working properly
Thanks. I will try it out and see what it the result.
Regards,
Steven
Regards,
Steven
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