[Lazarus] wiki.lazarus.freepascal.org have problem with mysql

Florian Klaempfl florian at freepascal.org
Tue May 3 16:05:41 CEST 2011


Am 03.05.2011 15:53, schrieb Graeme Geldenhuys:
> On 03/05/2011 13:14, Florian Klaempfl wrote:
>>
>> Won't help in case of a corrupted file system ;)
> 
> Ever heard of backups? ;-)

We have daily backups but it was not needed to restore a backup, but
linux remounted the fs read-only so mysql stopped obviously to work ...

> 
> All our servers have the following setup that works very well for us: An
> OS drive (only contains the OS - in our case Linux), and all data is
> stored on a separate RAID disk set (two or more drives with mirroring
> enabled). Replacing/Reinstalling the OS takes 30 minutes, restoring
> config files takes <5 minutes. A faulty RAID disk is simply a swap-out
> and it rebuilds itself. Each Friday one RAID disk gets swapped with an
> off-site spare disk. You only need to loose data once, then you learn to
> protect it like crazy. ;-)

Well, you can loose the data of one week in the scenario of a corrupted
file system.




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