Bacula-users

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

2014-12-04 13:29:40
Subject: Re: [Bacula-users] spool disk filesystem, checksums
From: Daniel Pocock <daniel AT pocock DOT pro>
To: Kern Sibbald <kern AT sibbald DOT com>, bacula-users AT lists.sourceforge DOT net
Date: Thu, 04 Dec 2014 19:27:26 +0100

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 be noticed in
>> future when a file is taken off the tape?
> 
> Unless you are running ZFS for the spool disk, the error will only be
> noticed when the data is read from the tape.
> 

In that case, it sounds like a good idea to use ZFS or Btrfs with
checksums enabled

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