On 08/05/16 09:02 PM, Valeri Galtsev wrote: > > On Sun, May 8, 2016 7:31 pm, Digimer wrote: >> On 08/05/16 08:12 PM, John R Pierce wrote: >>> On 5/6/2016 2:26 PM, Valeri Galtsev wrote: >>>> Which internal hardware RAID controllers will survive some future to >>>> come >>>> in your estimate. First of all my beloved 3ware finally seems to have >>>> passed away. After multiple acquisitions and becoming part of LSI and >>>> getting bought with LSI, it probably became non operational. Namely, >>>> the >>>> latest 3ware cards have ancient firmware. Neither of them supports 4kn >>>> drives. This speaks for itself for me. [Under new ownership] LSI, >>>> though >>>> still having new controllers released, and one of their MegaRAID >>>> controllers (at least) having support for 4kn drives, still may not >>>> last >>>> long (just my feeling, I'd like to hear yours). So, what RAID >>>> controllers >>>> will those of us who like to have hardware RAIDs use in some future to >>>> come? >>> >>> >>> IMHO, "Hardware" (really embedded firmware) RAID is for Windows servers, >>> since MS Windows has awful integrated software raid (aka 'dynamic disk', >>> truly a mess). With Linux, I'd rather use LVM, with BSD, ZFS. >> >> "Hardware RAID" can very well include a controller with dedicated parity >> processing, battery/flash backed write caching and other tangible >> benefits. > > Right, by "hardware RAID" as opposed to a bit more often used term > "software RAID" I did mean the card that has RAID processing done by the > chip on board of the card (parity or in other words modulus 2 sum in case > of RAID-5, and more sophisticated math in case of RAID-6 - I have heard of > at least two algorithms suitable for RAID-6). Thanks, Mr. Digimer, for > clarifying my somewhat vague in this place post. We're not all "Mr". > Any insight, anybody, which hardware RAID cards of rather which > manufacturers of these cards will still make them in a future (say next 5 > years)? Even if you just have feelings, without any thought why, I would > like to hear them. If you prefer to answer off the list, please, e-mail me > directly at galtsev at kicp.uchicago.edu > > Thanks a lot! > > Valeri LSI brand cards are very common across enterprise (I think all tier-1 vendors, except HP, use LSI (now Avago) based controllers. Given that, I would expect their cards will be available for quite some time to come. -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education?