Tagged Questions

-1
votes
2answers
85 views

Is it ok to run 15k.6 and 15k.5 SAS disks in a SAN together?

I have a SAN (HP MASA 2012) running seagate Cheetah 15k.6 drives. One has failed and I have a replacement drive that is the same except for it is a 15k.5 drive. Is this ok to run in the SAN? What are ...
3
votes
2answers
494 views

DAS vs SAN storage for serving 2 to 4 nodes

We currently have 4 Linux nodes with local storage, arranged in two active/passive pairs with storage mirrored using DRBD, running virtual machines (actually using Xen Hypervisor) for typical hosting ...
1
vote
1answer
1k views

What is the max supported number of SATA devices (using cable adapters) on a Dell SAS 6/iR adapter?

I've got a Dell SAS 6/iR PCI-E adapter. I don't have a multiplier backplane. I'm planning on connecting SATA (non SAS) drives. If I buy cable adapters only (ones that split a SAS connector on the card ...
0
votes
1answer
176 views

Read LUN from dell SAN with a PC on linux

We are currently using a md3000i DELL SAN server with a RAID1. I would like to access the information on one disk from a workstation. The hard disk contains 2 LUN but I can only access the first ...
2
votes
3answers
119 views

Plug in 6+ drives into a server (iSCSI/SAS expanders/SAN)

The company where I work has started to run out of disk space at 2.3TB. Originally it was a JBOD of a 1.5TB drive and a 1TB drive as a quick fix measure (yes I know this is bad, that's why I'm ...
0
votes
3answers
287 views

Type of Storage for VMware View Implementation

We're doing a virtual desktop pilot and I was wondering what kind of SAN storage is commonly used. I've heard conflicting reports of SAS/SATA disks or even SSD or large read/write cache settings. ...
5
votes
8answers
2k views

What are SAS external storage options (Promise, Infortrend, SuperMircro, …)?

We are looking for a ~32T external storage solution for two 48-core AMD servers. These will be used for a small Linux OpenVZ cloud for CPU intensive web-servers and data warehousing. Dual path with ...
7
votes
3answers
20k views

SAS vs. Nearline/MDL SAS - What is the difference?

As subject I guess, looking at SAN's and most vendors offer 10k or 15k "proper" SAS drives, many also offer 7.2k MDL/Nearline SAS drives. Does anyone have an authoritative explanation of the ...