Brian Schwarz wrote: <snip> okay, sorry to start this email with a 'jab' or tease, but really, this is a linux-raid development mailing list, not a veritas placement plug list. I think the MAIN thing that would cause a long resync (on any raid volume) is more than likely one of the disk drives or controllers is not setting the drive into the proper udma setting and that, has little to do with the RAID or LVM. suggesting 'veritas' as a solution is NOT the 'correct' solution, as that would be curing a symptom of the disease and not the actual problem. When i had one drive out of a 5 disk raid volume fail to set to udma/133 and was stuck in udma/33, a typical resync/rebuild of the 240gb raid would take the best part of 2 days (scary but true). if in doubt, check and then double check your dmesg output to find which mode is being activated for each disk and if there is any such lines as 'masking irq' (usually a controller conflict) so, if in doubt, check dmesg, check /proc/interrupts for conflicts and no, during resync's on raid-1 the mirror will not be available. for that, use a raid level such as raid-5 or raid-10. regards Stef Telford <stef@chronozon.artofdns.com> - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
