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Questions tagged [sas]

Serial Attached SCSI (SAS) is a computer bus used to move data to and from computer storage devices such as hard drives and tape drives. SAS depends on a point-to-point serial protocol that replaces the parallel SCSI bus technology that first appeared in the mid 1980s in data centers and workstations, and it uses the standard SCSI command set.

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HP SAS hdd in non-HP server

I wonder if I could re-use some HP SAS drive in a non-HP server. Description: 146GB 2.5" Serial Attached SCSI (SAS) SFF 3G Single Port Hot-Plug 10K HDD Option Part# 431958-B21 Spare Part# 432320-001 Assembly Part# 431954-003 Model# DG146ABAB4 Is…
Sylvain
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How should I sanitize a SAS drive that I removed from a RAID 5 Array?

I had a disk experience a predictive failure. As a result, I removed the drive and replaced it. Now that I have the drive removed, I would like to sanitize it. What is the easiest way to go about that? I have a usb to SATA converter, but I'm not…
SLY
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HP smart array P812i and storage works enclosure D2700 BAD PERFORMANCE

I have HP DL360 G6 with Smart Array P812i and Storage Works D2700 enclosure. Enclosure has 25x148GB 15K SAS 6G drives in RAID10 mode. P812i has 512mb cache (50% read/50% write) Crystal Disk mark shows ~500MB/s sequential read speed, other tests…
user61744
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IO/s and MB throughput for Various RAID Arrays

Are there any resources that have typical throughput and IOp/s for various RAID arrays under sequential and random patterns? In my case I am more specifically interested in at the moment: 6 Disk Raid 10 Array with SAS 10k drives sqlio numbers I…
Kyle Brandt
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SAS RAID5 Disk failure, replacement enclosure not matching

A SAS disk in RAID5 array failed yesterday and I'm about to replace it, however I noticed the front enclosure wasn't matching the rest of the disks. The array consists of 300GB 10K SAS disks with the left enclosure. I found a 300GB 10K SAS disk with…
MKZ
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Cable for SFF-8087 to SAS drives

I have a bunch of 3.5" SAS hard drives that I removed from one of my raid enclosures that has a backplane and want to reuse those drives with a Perc H700 controller in a PC that is a full tower system so it doesn't have a backplane in it. But want…
John
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SAS Expanders and Hp Smart Array HBA mode

I've recently purchased an HP DL360p G8 with a Smart Array P420i 1GB storage controller. As I'm using FreeNas, I've switched the controler to HBA mode. I was planning to buy an HP SAS expander, this one:…
Ralms
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mpt3sas_scsih_issue_tm: timeout when doing ZFS scrub

Overview We are currently doing a scrub on a ZFS pool with 12 RAID-Z1 vdevs, and each vdev has 12 drives. Each vdev corresponds to an enclosure. The hardware is a Dell PowerEdge 730xd with two Dell 12Gbps SAS (LSI SAS3008) controllers, and 12 Dell…
howderek
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Mini-SAS Connector Puzzle

Can anyone clearly define the difference between the Mini-SAS HD SFF-8644 and SFF-8614 connectors please? The SFF-8644 seems to be the more widely recognised 'male' connector but SFF-8614 seems also to be in use. I cannot find if there is any…
Rich M
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what is the difference between a sas controller and a sas raid controller?

What is the difference between a sas controller and a sas raid controller? Are they the same thing, just named differently, or is the SAS Controller purely a connection point with no RAID capabilities and the SAS Raid Controller is something that…
Michael Cropper
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Difference between hard drives

I recently purchased an HPE ProLiant DL380 Gen9 Server for my company. This is all new to me and I am trusted to creating my companies IT infrastructure(hired to do software). I'm having a hard time understanding the different prices for hard…
Derek Welton
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ZFS server hardware questions

I'm a photographer by trade and I've yet to find a method I'm happy with for archiving my work. Currently I'm looking at building a NAS server using OpenSolaris, so I can use ZFS. That way I can take regular snapshots and ship them to an offsite…
excederin
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Are there any advantages to connecting SATA3 drives to SAS ports?

I'm looking to build a new NAS for a video editing business, and a hot-swappable server chassis with a backplate would inevitably make life easier. These chassis tend to be SAS-based, which I understand is theoretically compatible with SATA3 drives.…
Cyanara
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SAS 3.0 cabling without a backplane - SFF-8680 vs SFF-8482

I would like to connect six HGST He10 SAS drives (model 0F27402) to a Lenovo M1215 HBA using direct cabling. I originally bought two SFF-8643 to 4*SATA breakout cables before seeing the drives as I naively thought the connector compatibility between…
Dan Parsonson
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Shared volume on 2 Windows VMs

I have the following hardware and configuration: Dell SCv2020, with loads of storage, with 2 volumes configured 2 Dell R430's with VMWare ESXi 6.5 installed Each R430 is connected to the SCv2020 with dual-path SAS cables For testing purposes, per…
Sander
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