Events have pushed us to give a serious look at cheaper storage solutions. What's got our attention most recently is HP's new LeftHand products. That's some nice looking kit, there. But there was an exchange there that really demonstrated how the storage market has changed in the last two years:
HP: What kind disk are you thinking of?
US: Oh, probably mid tier. 10K SAS would be good enough.
HP: Well, SAS only comes in 15K, and the next option down is 7.2K SATA. And really, the entire storage market is moving to SAS.
Note the lack of Fibre Channel drives. Those it seems are being depreciated. Two years ago the storage tier looked like this:
Back in 2003 when we bought that EVA3000 for the new 6 node NetWare cluster, clustering required shared storage. In 2003, shared storage meant one of two things:
Now if only we had some LTO drives to back it all up.
HP: What kind disk are you thinking of?
US: Oh, probably mid tier. 10K SAS would be good enough.
HP: Well, SAS only comes in 15K, and the next option down is 7.2K SATA. And really, the entire storage market is moving to SAS.
Note the lack of Fibre Channel drives. Those it seems are being depreciated. Two years ago the storage tier looked like this:
- SATA
- SAS/SCSI
- FC
- SATA
- SAS
- SSD
Back in 2003 when we bought that EVA3000 for the new 6 node NetWare cluster, clustering required shared storage. In 2003, shared storage meant one of two things:
- SCSI and SCSI disks, if using 2 nodes.
- Fibre Channel and FC Disks if using more than 2 nodes.
Now if only we had some LTO drives to back it all up.
What kind of software you are going to use?What file-system? What Raid 5 or 5+1?Is it for cluster environment?I believe HP are the best, if you are looking for redundancy and DDN are if you are looking for speed.All other, are in the middle of it.