> Also note that having battery backed RAID cards does not mean that your > drive's write cache will survive a power outage. You need to use vendor > specific tools usually to poke at the drives and make sure that the write > cache on the S-ATA disks is properly disabled (unless the LSI firmware does > something to manage the write cache on the drives). The server is fully battery backed for up to 45 minutes. Also, LSI does provide tools to disable the cache when the BBU fails. Its one of the array config parameters. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html