Now, let’s see the other characteristics of SAS HDDs in the following parts. SAS drives are important for those enterprises that pursuit high speed and reliability.
Sas drives how to#
SSD – How to Upgrade Your Hard Drive Safely. Maybe, you are interested in this post – 10000 RPM HDD VS. K refers to the rotational speed of the hard drive, ie 10,000 and 15,000 RPM respectively. There are two main types of SAS hard drives: 10K and 15K. If you want to learn more information about SCSI, you can refer to this post – Overall Explanation of SCSI Interface. Jails: running 1 iocage jail (Plex) using danb35's script:Īdditional NIC: MELLANOX 10GB CONNECTX2 - MNPA19-XTR Take a look here: A post with Links to useful threadsTip: SCSI stands for Small Computer System Interface. Vdev-1 = 4 x 6 TB drives in RAID-z1 (4 WD Gold drives - WD6002FRYZ)īoot pool: 1 vdev with 2 x 40 GB notebook drives in mirror (2 drives total - FUJITSU MHW2040BS) Vdev-0 = 4 x 6 TB drives in RAID-z1 (4 WD Gold drives - WD6002FRYZ) Vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Exos drives - ST4000NM0115) Vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Exos drives - ST4000NM0115) Vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) HBA: LSI/Broadcom SAS9207-8i, 6Gbps SAS PCI-E 3.0 HBA - flashed to IT Firmware: 20.00.07.00Ĭonnected to: two 6Gb/s 24-port 3.5" mini-SAS expander backplanes (80H10024001A0) 128 GB of 16GB sticks Samsung brand PC3-12800R, DDR3 Registered ECC Processor: Intel Xeon E5-2650 V2, 2.6GHz 8 Core (16 thread) System board: SuperMicro Motherboard X9SRL-F, LGA 2011/Socket R, IPMI For a home NAS, this chassis is huge, able to hold 48 data drives and two boot drives with a couple spaces internally for non-hot-swap drives.
The three pools in this one system represent the three NAS systems I had before the consolidation. I have even put together some hardware just to test things out a time or two.įor a while I had three systems, all at once, at home but I am making some hardware changes right now and only one NAS is online. I made some mistakes along the way, learned some and I try to share some of those lessons learned experiences here in the forum. This is the 8th FreeNAS unit I have built for home. This one was built in 2018, but I reused the name from a previous build. Number of minutes until next internal SMART test = 58Įrrors Corrected by Total Correction Gigabytes TotalĮCC rereads/ errors algorithm processed uncorrectedįast | delayed rewrites corrected invocations errors Vendor (Seagate/Hitachi) factory information SMART support is: Available - device has SMART capability. Why does it say there haven't been any self-tests logged yet (although a few lines before implies that self tests are running periodically), where would I find details for the "Non-medium error count: 3", and is "global logging target" needed for these?Ĭode: smartctl 6.5 r4318 (local build)Ĭopyright (C) 2002-16, Bruce Allen, Christian Franke, = START OF INFORMATION SECTION = I also don't fully understand the information at the very end. I've added a sample output at the end of this post.Ĭan I get detailed SMART attributes for these drives some way? Would updating smartctl manually help, if that's the issue? I've tried hinting with -d test which reports type "scsi" correctly, and tried hinting with that type explicitly, but no luck so far. The drives are new and smartctl reports that SMART support is present and enabled.
I know that SCSI/SAS, and therefore smartctl, didn't provide SMART data some years back, but AFAIK those days are long past, and both these specific drives and smartctl seem to have included smart handling for these drives for quite a long time. When I run `smartctl -a /dev/XXX`, I get detailed attribute data for SATA HDDs only. The baseboard is Supermicro X10 Xeon and the SAS drives are connected via two LSI 9211 HBAs. I've tried to solve this via Google but not had any luck.
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