Re: [Bacula-users] Block checksum mismatch on file storage

2014-07-04 Thread advantex
On Sat, 28 Jun 2014 09:30:12 +0200 Kern Sibbald k...@sibbald.com wrote: It is unlikely that this is a Bacula problem, especially considering your remark that you have used it for years and never had any problems. Hi List, first of all I have to say thanks for all the helpful replies. I

Re: [Bacula-users] Block checksum mismatch on file storage

2014-07-01 Thread Kern Sibbald
On 06/30/2014 10:35 PM, John Stoffel wrote: Kern Yes, it is clear that one can do read-only tests that do not destroy Kern data. However, in this case, it seems to me more useful to do Kern read/write (it is actually write/read) tests as it appears that the Kern problem is more likely in the

Re: [Bacula-users] Block checksum mismatch on file storage

2014-06-30 Thread Kern Sibbald
Hello, Yes, it is clear that one can do read-only tests that do not destroy data. However, in this case, it seems to me more useful to do read/write (it is actually write/read) tests as it appears that the problem is more likely in the write ... I have never heard of a non-destructive

Re: [Bacula-users] Block checksum mismatch on file storage

2014-06-30 Thread Josh Fisher
I have seen this before with both disk and tape media, where a backup job with no errors cannot later be restored due to i/o errors. The simple answer is that media can fail, even when offline, which is one of the reasons we make more than one backup. It is possible, if cumbersome and

Re: [Bacula-users] Block checksum mismatch on file storage

2014-06-30 Thread John Stoffel
Kern Yes, it is clear that one can do read-only tests that do not destroy Kern data. However, in this case, it seems to me more useful to do Kern read/write (it is actually write/read) tests as it appears that the Kern problem is more likely in the write ... Absolutely. And hopefully, this

Re: [Bacula-users] Block checksum mismatch on file storage

2014-06-29 Thread John Stoffel
Kern 3. Run read/write disk tests on your USB disk (note: this will Kern destroy any existing data). This isn't quite right. You can run read-write tests on a quiescent filesystem (ie unmounted) without problems: badblocks -svn /dev/sd? will scan the entire disk using non-destructive

Re: [Bacula-users] Block checksum mismatch on file storage

2014-06-28 Thread Kern Sibbald
It is unlikely that this is a Bacula problem, especially considering your remark that you have used it for years and never had any problems. My best guess is that you have bad media or a bad medium or a bad connector. When writing, unless the OS reports an error, Bacula assumes the write is

[Bacula-users] Block checksum mismatch on file storage

2014-06-27 Thread advantex
Hi Liste, I am using Bacula for years now and had no trouble so far. But now it really hits me. Well it worked smoothly .. until restore. (on ubuntu 12LTS and ubuntu 14, bacula version 5.2.6) The files were on USB disk. To be on the safe side I recreated everything on local sata again. Same