On Wed, 30 Mar 2005 08:49:13 -0500, Brent Baisley <[EMAIL PROTECTED]> wrote: > Wow, you are asking a lot, especially since an inexpensive UPS could be > had for less than $50. You don't need one to keep the system up for a > long time, just long enough for writes to finish. A few minutes should > be plenty.
I know it's weird. It's not about technical issues or money. It's just one of those "different" situations. > Whatever file system you use, I would most definitely use journaling. > First and foremost you need the system in a good state, then the DB. There are two disks in the system, one with the OS, the other with the database. The OS drive is, i believe, almost fail-proof: the write cache is turned off, plus it's Ext3 with data=journal. Those settings bring a major performance hit, but that's ok on the OS drive, which is sparsely used. But i cannot force the same settings on the DB drive without risking the performance to drop through the floor. Well, maybe data=journal (i have to experiment). > Journaling in the file system will also help in keeping the database > intact. Raw partitions would buy you so little performance gain, it's > really not worth the hassle. Wouldn't raw partitions fail less often if the power is yanked, just because there are fewer components to fail? I mean, if the database is on top of a FS, it's the database and the FS that can fail. On a raw partition, it's just the database. Or am i missing something? -- Florin Andrei http://florin.myip.org/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
