
What is the difference between a HBA card and a RAID card?
Jul 31, 2014 · It basically identify a card whose role is to interface the main host bus (ie: PCI-E) to other kind of buses (eg: SAS, SATA, USB, etc). As such, an HBA fulfills two different but …
ZFS SAS/SATA controller recommendations - Server Fault
Jan 5, 2011 · I recommend a (almost) any SAS/RAID controller that uses the LSI 1068E SAS chip (PCI-E) and supports Initiator-Target mode (JBOD mode). This does not include MegaRAID …
raid - SAS Expanders for DIY JBOD Arrays - Server Fault
QNAP TL-D800S ->> JBOD possible you can use own HBA card possibe; SilverStone RM224 24-Bay 2.5" Server Chassis ->> but then somhow you need to power SAS drives and attache …
zfs - max out bandwidth of old 3Gb/s SAS JBOD - Server Fault
Oct 25, 2019 · I just acquired a JBOD which was made in 2011, it has 60 2TB 7.2k SATA disks but using SATA-to-SAS adapters on each disk. There are two IO modules on the enclosure, …
Improving SAS multipath to JBOD performance on Linux
So between the JBOD and the controller we have 2 PHYs * 4 SAS ports * 3 Gb/sec = 24 Gb/sec of bandwidth, which is more than the PCI Express bandwidth. With write caching enabled and …
Why are enterprise SAS disk enclosures seemingly so expensive?
Jan 1, 2013 · an example of a running HP D2700 JBOD enclosure, and the components monitored via SES in a NexentaStor interface: fans, power supplies, I/O modules (controllers) …
With an LSI SAS 12G controller in JBOD personality, what exactly is ...
Dec 29, 2020 · I am currently trying to configure an LSI SAS 12G HBA with the 3108 chip (it is a 9361-8i, but I am nearly sure that my question relates to similar HBAs as well). I have …
Bandwidth with SAS expanders and RAID controllers
Aug 11, 2014 · Think about this: Your disks will not perform at 6Gbps (unless they're SSDs). So some level of oversubscription is okay when you go to using a SAS expander. A more …
megacli - Does enabling JBOD mode on LSI based controllers …
Now I want to add some more drives in JBOD, to let the OS access them directly (as opposed to creating a dedicated RAID0 LD per disk). There are a couple of links (here for instance) …
ubuntu 20.04 - SAS drives not detected in JBOD's - Server Fault
Feb 23, 2023 · Neither the Seagate 12TB SAS or the Whitelabel 10TB SAS drives are recognized or detected. When I do lsscsi the JBOD enclosure shows but not disks, I have ran lsiutil and …