Re: [Bacula-users] LTO-7 tape drive settings in bacula 7.4.0

2016-05-26 Thread Kern Sibbald
I recommend to remove the Maximum Network Buffer Size.  Bacula will figure it out itself. On 05/26/2016 08:43 PM, Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC] wrote: Kern,   Okay, Thank yo

Re: [Bacula-users] LTO-7 tape drive settings in bacula 7.4.0

2016-05-26 Thread Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC]
Kern, Okay, Thank you. I will try setting the block size to 512k to improve the speed of writing to the tape. What about the “Maximum Network Buffer Size = 65536” I have currently set in my configuration? Should I remove this or change the value I have set? Please let me know. Regards, Uthra

Re: [Bacula-users] LTO-7 tape drive settings in bacula 7.4.0

2016-05-26 Thread Kern Sibbald
The defaults for both of those should work out of the box.  However, by increasing the Maximum Block Size, you can probably improve the speed of writing to the tape.  This is, of course, optional.  I would still not set the block size any larger than 512K though.

Re: [Bacula-users] LTO-7 tape drive settings in bacula 7.4.0

2016-05-26 Thread Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC]
Thank you all for taking the time to reply to my email. We are using LTO-7 tapes with the LTO-7 Tape drives. I don’t think the data transfer rate is an issue in our case. I am thinking of removing the “MaxBlocksize” and “Maximum Network Buffer Size” I have currently set for the tape drives so t

Re: [Bacula-users] incr job dies with OOM error

2016-05-26 Thread Kern Sibbald
Hello Uwe, A full backup does not require any cache of previously saved files, so it consumes very little memory. Only Differential and Incremental jobs require the Director to send the full list of previously saved files with their attributes to the FD. That list requires something like 100

Re: [Bacula-users] LTO-7 tape drive settings in bacula 7.4.0

2016-05-26 Thread Kern Sibbald
Hello, The tape probably got an error.  You should be able to see if there were problems by looking at dmesg output and Bacula output for the job that marked the tape full. The error, if there was one, is very likely coming from the fact that you

Re: [Bacula-users] LTO-7 tape drive settings in bacula 7.4.0

2016-05-26 Thread Cejka Rudolf
Rao, Uthra R. (GSFC-672.0)[ADNET SYSTEMS INC] wrote (2016/05/25): > I have a Qualstar Tape library (RLS-87120) with three LTO7 tape drives. > It is connected to the backup server directly through Fiber Channel. > I am running bacula 7.4. I ran a test backup which completed > successfully but I fo