Gunnar,

Do the number by DLE always differ?
Are you using a holding disk?
Can you monitor the server to find some bottleneck, memory, cpu, network, disk I/O, ...

Jean-Louis

On 03/09/15 02:49 PM, Gunnarsson, Gunnar wrote:

Hi,

See below slow down in avg tp write rate after having upgraded amanda from 3.2.0 to 3.3.7p1 nothing else is changed.

We are using DLT drivers SCSI and fiber connected.

Thanks Gunnar

Tape Time (hrs:min) 2:37       2:37       0:00

Tape Size (meg) 382968.9   382968.9        0.0

Tape Used (%) 324.1      324.1        0.0

DLEs Taped 462        462          0

Parts Taped 462        462          0

Avg Tp Write Rate (k/s) 41670.4    41670.4        --

(brought to you by Amanda version 3.2.0)

Tape Time (hrs:min) 4:18       4:18       0:00

Tape Size (meg) 384525.8   384525.8        0.0

Tape Used (%) 334.0      334.0        0.0

DLEs Taped 481        481          0

Parts Taped 481        481          0

Avg Tp Write Rate (k/s) 25469.2    25469.2        --

(brought to you by Amanda version 3.3.7p1)

Tape Time (hrs:min) 6:03       1:46       4:18

Tape Size (meg) 710405.4   208727.0   501678.5

Tape Used (%) 161.0       47.4      113.6

DLEs Taped 12          4          8  1:7 2:1

Parts Taped 27          8         19  1:11 2:8

Avg Tp Write Rate (k/s) 33357.3    33701.7    33216.0

USAGE BY TAPE:

  Label Time         Size      %  DLEs Parts

  Orabck-Unix-002 3:37      431135M   92.5    11    19

  Orabck-Unix-003 2:25      279270M   59.9     1     8

(brought to you by Amanda version 3.3.7p1)

Tape Time (hrs:min) 3:13       0:11       3:01

Tape Size (meg) 776730.9    50668.0   726062.8

Tape Used (%) 177.9       12.6      165.3

DLEs Taped 18          4         14  1:9 2:5

Parts Taped 33          4         29  1:11 2:18

Avg Tp Write Rate (k/s) 68857.4    77438.9    68329.0

USAGE BY TAPE:

  Label Time         Size      %  DLEs Parts

  Orabck-Unix-015     1:34 392152M   84.2     4    12

  Orabck-Unix-016     1:34 384579M   82.5    14    21

(brought to you by Amanda version 3.2.0)


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