Re: [Bacula-users] spool disk filesystem, checksums

2014-12-06 Thread Daniel Pocock
On 06/12/14 00:02, Cejka Rudolf wrote: Daniel Pocock wrote (2014/12/05): Now it is in the bug tracker: http://bugs.bacula.org/view.php?id=2111 ... Data corruption occurs on disks sometimes, e.g. the write to disk didn't record data correctly on the platter and any attempt to read

Re: [Bacula-users] spool disk filesystem, checksums

2014-12-05 Thread Daniel Pocock
On 05/12/14 13:57, Josh Fisher wrote: On 12/5/2014 1:03 AM, Daniel Pocock wrote: On 05/12/14 00:43, Cejka Rudolf wrote: Daniel Pocock wrote (2014/12/04): On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before

Re: [Bacula-users] spool disk filesystem, checksums

2014-12-05 Thread Daniel Pocock
On 05/12/14 14:25, Josh Fisher wrote: On 12/5/2014 8:11 AM, Daniel Pocock wrote: On 05/12/14 13:57, Josh Fisher wrote: On 12/5/2014 1:03 AM, Daniel Pocock wrote: On 05/12/14 00:43, Cejka Rudolf wrote: Daniel Pocock wrote (2014/12/04): On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08

Re: [Bacula-users] spool disk filesystem, checksums

2014-12-05 Thread Daniel Pocock
On 05/12/14 14:48, Daniel Pocock wrote: On 05/12/14 14:25, Josh Fisher wrote: On 12/5/2014 8:11 AM, Daniel Pocock wrote: On 05/12/14 13:57, Josh Fisher wrote: On 12/5/2014 1:03 AM, Daniel Pocock wrote: On 05/12/14 00:43, Cejka Rudolf wrote: Daniel Pocock wrote (2014/12/04): On 04/12/14 18

Re: [Bacula-users] spool disk filesystem, checksums

2014-12-05 Thread Daniel Pocock
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 05/12/14 19:20, Dimitri Maziuk wrote: On 12/05/2014 07:48 AM, Daniel Pocock wrote: The purpose of such a checksum wouldn't be to prove that the tapes are correct, it would simply be to catch any failure of the spool disk at the earliest

Re: [Bacula-users] spool disk filesystem, checksums

2014-12-04 Thread Daniel Pocock
On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error on the spool disk, will it be noticed before going onto tape or would it only

Re: [Bacula-users] spool disk filesystem, checksums

2014-12-04 Thread Daniel Pocock
On 05/12/14 00:43, Cejka Rudolf wrote: Daniel Pocock wrote (2014/12/04): On 04/12/14 18:35, Kern Sibbald wrote: On 12/03/2014 08:49 PM, Daniel Pocock wrote: Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error

[Bacula-users] current recommendations for SSD spool disk with LTO/Ultrium?

2014-12-03 Thread Daniel Pocock
Can anybody make any practical comments on how to choose a suitable spool disk (both speed, size and whether to make an array of disks for spooling)? It would be useful to see some examples of spooling for LTO-3 up to LTO-6 and also any comments about things to avoid For example, if somebody

[Bacula-users] spool disk filesystem, checksums

2014-12-03 Thread Daniel Pocock
Does Bacula checksum content on the spool disk before sending it to tape? To be more explicit, if there is a single bit error on the spool disk, will it be noticed before going onto tape or would it only be noticed in future when a file is taken off the tape?