G
gus
Guest
> On Jun 22, 2016, at 6:09 AM, conroypt wrote: > > changing SAN disk provisioning from thin to thick Good to get rid of thin provisioning. The way thin provisioning works is like this: You create a 100 GB file system on the SAN. The SAN lies to you and says ok, you have 100 GB free. You write something to the filesystem and the SAN goes: oh, crap, he wants to write something but no space has actually been allocated and I have no place to put this data. I better go get some space. Then the write completes. Lather, rinse, repeat. Then again, sometimes the SAN lies to 10 people and each thinks they have 100 GB on 500 GB of actual storage. On day 1, that may work. Eventually, the 500 GB is used up and everybody thinks there is plenty of free space. Guess what happens then?
Continue reading...
Continue reading...