[Bacula-users] Backup on Tape

2014-08-01 Thread More, Ankush
Hi Team, We have installed Bacula-7.0.4 on CentOS 6.5. Have configure Autochanger with 2 LTO-2 drives. For testing I have configure 5 clients to be backup on tape. Total size of clients are around 800 GB. Backup is running more than 20 Hrs and still running not completed. I would like to know. 1

Re: [Bacula-users] Backup on Tape

2014-08-04 Thread More, Ankush
Hi Team, Any suggestion on tape backup? Thank you, Ankush -Original Message- From: More, Ankush Sent: 01 August 2014 20:23 To: 'bacula-users@lists.sourceforge.net' Subject: Backup on Tape Hi Team, We have installed Bacula-7.0.4 on CentOS 6.5. Have configure Autochanger with 2 LTO-2 dr

Re: [Bacula-users] Backup on Tape

2014-08-04 Thread John Drescher
> 1) Can we tune bacula config files for maximize backup speed? Yes. I recommend that you tune your database (mysql and postgresql come with very poor default settings) and also increase the default block size. 64K is way too small for a modern LTO tape drive. > 2) Can bacula use both tape drive

Re: [Bacula-users] Backup on Tape

2014-08-04 Thread Roberts, Ben
> 1) Can we tune bacula config files for maximize backup speed? Turn on attribute spooling to save on database round-trips during the backup run (these will be inserted at the end). Try to measure where your bottleneck is and then see if you can do anything about it: read I/O on the FD machine,

Re: [Bacula-users] Backup on Tape

2014-08-04 Thread Nick Allevato
LTO 2…slow? On Mon, Aug 4, 2014 at 10:53 AM, More, Ankush wrote: > Hi Team, > > Any suggestion on tape backup? > > Thank you, > Ankush > > > -Original Message- > From: More, Ankush > Sent: 01 August 2014 20:23 > To: 'bacula-users@lists.sourceforge.net' > Subject: Backup on Tape > > Hi

Re: [Bacula-users] Backup on Tape

2014-08-05 Thread More, Ankush
: [Bacula-users] Backup on Tape > 1) Can we tune bacula config files for maximize backup speed? Yes. I recommend that you tune your database (mysql and postgresql come with very poor default settings) and also increase the default block size. 64K is way too small for a modern LTO tape drive. >

Re: [Bacula-users] Backup on Tape

2014-08-05 Thread John Drescher
On Tue, Aug 5, 2014 at 10:29 AM, More, Ankush wrote: > Hi John, > > We have MySql Database, is there document for tune database? > Or > Can you give us recommended setting for mysql? > You may need to change memory settings for flushing, buffer sizes ... Some distributions ship with mysql optimiz

Re: [Bacula-users] Backup on Tape

2014-08-05 Thread Alan Brown
On 04/08/14 18:54, Nick Allevato wrote: > LTO 2…slow? Slow, but not as slow as mechanical disk drives. What _seriously_ slows down backups is disk seeking (both on the client array and on the spool disks), and tape drive will slow to a crawl if not fed at near-full speed. If you're backing up

Re: [Bacula-users] Backup on Tape

2014-08-05 Thread Dimitri Maziuk
On 08/05/2014 10:32 AM, Alan Brown wrote: > If you're backing up to LTO of any type, the only way to get reasonable > performance is to backup to a high performance SSD spool (or SSD stripe) > and then despool from that to the tape. > > A decently fast SSD spool area can handle simultaneous spo