So, one of the tricks I've used in the past is to assign a volname in format as I use luns. Dunno if that's an option with ASM? ZFS seems to blow those away, the last time I looked.
-A On Feb 13, 2010, at 14:32 , Jason King wrote: > My problem is when you have 100+ luns divided between OS and DB, > keeping track of what's for what can become problematic. It becomes > even worse when you start adding luns -- the chance of accidentally > grabbing a DB lun instead of one of the new ones is non-trivial (then > there's also the chance that your storage guy might make a mistake and > give you luns already mapped elsewhere on accident -- which I have > seen happen before). And when you're forced to do it at 3am after > already working 12 hours that day.... well safeguards are a good > thing. > > > On Sat, Feb 13, 2010 at 2:13 PM, Allen Eastwood <mi...@paconet.us> wrote: >> >>> There is of course the caveat of using raw devices with databases (it >>> becomes harder to track usage, especially as the number of LUNs >>> increases, slightly less visibility into their usage statistics at the >>> OS level ). However perhaps now someone can implement the CR I filed >>> a long time ago to add ASM support to libfstyp.so that would allow >>> zfs, mkfs, format, etc. to identify ASM volumes =) >> >> While that would be nice, I would submit that if using ASM, usage becomes >> solely a DBA problem. From the OS level, as a system admin, I don't really >> care…I refer any questions back to the DBA. They should have tools to deal >> with all that. >> >> OTOH, with more things stacked on more servers (zones, etc.) I might care if >> there's a chance of whatever Oracle is doing affecting performance elsewhere. >> >> Thoughts? >> _______________________________________________ >> zfs-discuss mailing list >> zfs-discuss@opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >> _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
