[Info-vax] 3rd party SATA SSD usage on RX2660+P400 in a production environment?

[Hans Bachner]

Hoff,

Stephen Hoffman schrieb am 01.07.2019 um 18:04:
> On 2019-07-01 01:29:14 +0000, David Turner said:
>
>> Well, Rod, I have unused HGST SAS Drives 12G that are nowhere near
>> your pricing and I have them in stock and I have tested them with VMS
>> on HPE Integrity rx2800 i4 and i2. No doubt they work but use a P800
>> and a PCI-e/PCI-X backplane. The crappy onboard controller on the
>> rx2660 cannot handle anything (512Mbit/sec) compared with the P800 at
>> 3Gbit or even the P812 6Gbit (works great with SSD)
>
> HDDs are ~100 to 200 IOPS or so per spindle whether helium or otherwise,
> versus as much as 100,000 IOPS with SSD.

yup.

> And OpenVMS can't address any storage volume past 2 TiB prior to VSI
> VAFS, so those HGST SAS drives won't work with OpenVMS.
>
> Not prior to OpenVMS V9.2 or so, or whenever VAFS becomes available. Or
> not without controller-level partitioning or controller-provided storage
> virtualization.

This is why David mentioned the P800/P812 SmartArray Controllers.

Did you stop reading after "I have unused HGST SAS Drives 12G"? Btw, 
these drives are available with 2 TB capacity as well, if you don't want 
to use a RAID controller.

Hans.