Re: [Bacula-users] Configuring autochanger with SAS LTO-5 drives

2017-06-02 Thread Ivan Adzhubey
On Thursday, June 1, 2017 11:27:49 PM EDT Ivan Adzhubey wrote: > [7:0:0:0]mediumx QUALSTAR TLS-8466 227d /dev/sch0 /dev/sg4 > [8:0:0:0]tapeIBM ULTRIUM-HH5 BBNF /dev/st0 /dev/sg2 > [8:0:1:0]tapeIBM ULTRIUM-HH5 BBNF /dev/st1 /dev/sg3 > > But I

Re: [Bacula-users] Bacula LTO-5

2017-06-02 Thread Steven Hammond
Thanks for all the input. I've made some changes and was able to get a bit more throughput. I'll will continue to *tweak* the settings and test. Thanks again Kern for a great product. Steven Hammond On 6/2/2017 8:28 AM, Kern Sibbald wrote: Hello, See below ... On 06/02/2017 01:44 PM,

[Bacula-users] Changing maximum block size for a tape

2017-06-02 Thread Ivan Adzhubey
Hi, Can a tape written by Bacula with one MaximumBlockSize value be reused after changing MaximumBlockSize to a different value? I mean, not the data on the tape, I understand all data will be lost, but can the tape itself be relabeled and then used with a different block size configured? The

Re: [Bacula-users] Regression testing - let's get more involved

2017-06-02 Thread Andrea Venturoli
On 05/26/17 21:33, Dan Langille wrote: On May 22, 2017, at 3:19 AM, Andrea Venturoli wrote: On 05/20/17 21:40, Dan Langille wrote: I see it here: http://regress.bacula.org/index.php?project=Bacula-7.4&date=2017-05-19 Now it says 0 errors, but I have "three-pool-disk" test intermittently fai

Re: [Bacula-users] Configuring autochanger with SAS LTO-5 drives

2017-06-02 Thread Ivan Adzhubey
Hi Rudolf, Thanks for the prompt reply. Please scroll down for inline comments. On Friday, June 02, 2017 09:52:58 AM Cejka Rudolf wrote: > Ivan Adzhubey wrote (2017/06/01): > > b) What is the effect of MaximumFileSize option and what would be its > > optimal value for my IBM LTO-5 SAS drives? I h

Re: [Bacula-users] Bacula LTO-5

2017-06-02 Thread Kern Sibbald
Hello, See below ... On 06/02/2017 01:44 PM, Richard Fox wrote: Hi, On Fri, Jun 02, 2017 at 01:24:46PM +0200, Kern Sibbald wrote: I don't seem to have the original post of Richard Fox, so could you please specify what "this directive" is in the sentence: Otherwise, this advice is a little

Re: [Bacula-users] Bacula LTO-5

2017-06-02 Thread Richard Fox
Hi, On Fri, Jun 02, 2017 at 01:24:46PM +0200, Kern Sibbald wrote: > I don't seem to have the original post of Richard Fox, so could you please > specify what "this directive" is in the sentence: > > Otherwise, this advice is a little contradictory to the documentation which > states "On most mod

Re: [Bacula-users] Bacula LTO-5

2017-06-02 Thread Kern Sibbald
For most people tape compression is the way to go. In your particular case you might want to use Client compression, but if you do, it would be better to disable compression on the tape drive. Doing so will probably improve your throughput. Best regards, Kern On 06/01/2017 04:02 PM, Stev

Re: [Bacula-users] Bacula LTO-5

2017-06-02 Thread Kern Sibbald
Hello Steven, I recommend setting the Minimum Block Size to 0 (the default). For LTO-5 I recommend using Maximum File Size = 5 GB Best regards, Kern On 06/01/2017 03:58 PM, Steven Hammond wrote: Kern, Ok, thanks. I am running concurrent jobs (10) and spooling the data/attributes. I wi

Re: [Bacula-users] Bacula LTO-5

2017-06-02 Thread Kern Sibbald
I don't seem to have the original post of Richard Fox, so could you please specify what "this directive" is in the sentence: Otherwise, this advice is a little contradictory to the documentation which states "On most modern tape drives, you will not need to specify this directive. Best regards

Re: [Bacula-users] Configuring autochanger with SAS LTO-5 drives

2017-06-02 Thread Cejka Rudolf
Ivan Adzhubey wrote (2017/06/01): > b) What is the effect of MaximumFileSize option and what would be its optimal > value for my IBM LTO-5 SAS drives? I have used 8GB value found in one of the > list posts, while the documentation suggests 2GB for LTO-4. But even set at > 8GB this would create l