| |||||||||||||
|
| |||||||||||||
Journaling no protection against power dropJournaling no protection against power dropPosted Sep 10, 2009 21:34 UTC (Thu) by anton (subscriber, #25547)In reply to: Journaling no protection against power drop by Cato Parent article: Ext3 and RAID: silent data killers? It depends on where you live. Here power outages are quite infrequent, but mostly take so long that the UPS will run out of power. So then the UPS only gives the opportunity for a clean shutdown (and that opportunity was never realized by our sysadmin when we had UPSs), and that is unnecessary if you have all of the following: decent drives that complete the last sector on power failure; a good file system; and a setup that gives the file system what it needs to stay consistent (e.g., barriers or hdparm -W0). And of course we have backups around if the worst comes to worst. And while we don't have the ultimate trust in ext3 and the hard drives we use, we have not yet needed the backups for that.
(Log in to post comments)
|
|
||||||||||||