The only problem with MD RAID is the lack of admin software support. If anyone knows of a good GUI...
On Mon, Aug 26, 2013 at 8:06 AM, Harald Barth <[email protected]> wrote: > > > However the main reason I'm replying is your comment about RAID. IMO, > > anytime you're configuring a mission-critical system without RAID > > you're probably asking for future headaches. > > My experiences with RAID, especially HW-Raid is "mixed". Last week I > got an DL360 G4 with some built-in HW-RAID(5) that returned "read > errors" from the RAID to the OS without failing any drive(s). On an > email server. Looks to me like a serious bug in the RAID-firmware. I > even have found high-end RAID (Rio) whose memory did not deploy any > ECC. One device did make stripes of zeroes into every block that got > through it. Then there are HW-RAIDs which can detect silent bit-rot > on your HDs and some that can't. > > > All of my database and fileservers currently use hardware raid (3ware > > or LSI/PERC). But one of my "idle time" projects -- a bit of an inside > > joke since I have no idle time -- is to play around with ZFS on linux > > to see if I feel it's ready for prime time yet or not. > > I currently trust linux SW RAID (MD) and ZFS more than any HW RAID. So > almost all our file servers have been migrated from HW-RAID to SW-RAID > or ZFS. > > Plan is to complement that with shadow volumes for some volumes which > have data that need an way of "instant resore". > > Harald. > _______________________________________________ > OpenAFS-info mailing list > [email protected] > https://lists.openafs.org/mailman/listinfo/openafs-info >
