Hi, On Mittwoch, 7. August 2013, Nigel Barker wrote: > > *do not* do this, if any of your two disks fails, the data is gone. > > Better use > isn't this the same as a single disk, though? no, raid-0 is worse: if any of your two disks fails, the data is gone. raid0 is just faster. with raid1, any of the two disks can fail and the data will still be there. > > raid10 instead, though for that you will need 3 disks at least. Also > > putting / and /opt on an SSD will speed up things massivly. (So just > > keep /home on real harddisks.) A 120gb SSD is about 100€ and (if > > possible) IME is the best investment for an old machine. > > I am going to buy a new machine. A core-5 or 7 with tons of RAM, > rather than a xeon with less. Do you think / and /opt on SSD and the > rest on 7200 sata is good enough for ~30 concurrent users (perhaps > rare peak of 50)? Or do I still need raid? should be fine. but I'd go for raid1 for /home and / and /opt on ssd. cheers, Holger
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