Server Fault Stack Exchange
Server Fault Stack Exchange

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.

517 questions
-1
votes
1 answer

How to configure expander card RES2SV240 in an Intel Server Board S2600WT?

So, I'm trying to configure this expander card into my server. I have an Intel Server Board S2600WT in a R2312WTTYS case, which means I have a backplane in the front with 12 slots, and another backplane in the back holding 2 disks. Front backplane…
ezabaw
  • 101
  • 5
-1
votes
1 answer

Why does a low level format take very long time?

I can write ~100MB/s on a particular 4TB SAS drive when it have a file system on it, but a low level format on this drive took >16 hours. That's ~70kB/s. Since there is not filesystem and only zeroes have to be written, I would have expected better…
Jasmine Lognnes
  • 2,520
  • 8
  • 33
  • 51
-1
votes
2 answers

High density disk bay rack chassis - why such a big difference in price?

We're looking for a chassis with 45-60 bays for SAS/SATA disks and we found some 60-bay enclosures at ~ $11000 (see here and here for example - there are others as well). However we found this one which have 45 bays (or 36 bays as server chassis)…
John Thomas
  • 131
  • 1
  • 6
-1
votes
1 answer

SAS SCSI Converter

I recentely bought a Seagate Cheetah 146GB SAS ST3146755SS 10K Performance 15K RPM Hard Drive from EBAY and do have a computer that supports SAS. The problem is that I need to convert it into a SATA connection. I've found several adapters on EBAY,…
Stech
  • 1
  • 1
-1
votes
1 answer

How does plugging in a SATA drive to an SAS backplane affect maximum cable length?

The limit on SATA cable length is 1m, whereas the limit on SAS cable length is 10m. When using a backplane which advertises support for SAS and SATA, with a SAS RAID controller and one SATA drive, will the controller use the SAS PHY scheme,…
user179658
  • 1
-1
votes
2 answers

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 the repercussions, if any?
Jamie Robertson
  • 1
-1
votes
3 answers

Dell R510 backplane/LSI RAID card

I've been tasked to price up and order a new server. My plans are for a Dell Poweredge R510 with the 8 HDD option, an LSI 9265-8i RAID card, two Dell 600GB 15k 3.5" SAS drives in RAID 1, and six Intel 520 120GB 2.5" SATA III SSDs in three RAID 1…
Stephen Kennedy
  • 161
  • 2
  • 10
-1
votes
1 answer

Database server is better to have SAS than SATA, also preferable RAID1?

I want to know if it's better to hast DB server by SAS hard disk than SATA hard disk? And it's also better to use RAID1. I don't know much about RAID. If the server is RAID6 default. Can I change it to RAID1? How?
Hao
  • 525
  • 2
  • 8
  • 17
-1
votes
1 answer

IBM EXP3000 SAS rack

A couple of weeks ago one of my EXP3000 SAS Racks was not found by the server. Also, all the Amber fault LED lit, on every disk. Today, this also happened on my other EXP3000 after a reboot - Could it be the battery? Does it need to be replaced?
Asbie
  • 11
  • 3
-1
votes
1 answer

Proliant DL380 Gen10 health led red

I have a Proliant DL380 Gen10 server with 4 SAS disks. I replaced one of the disks. Unfortunately during that time, a colleague of mine removed another sas disk, which should not be removed (white symbol). Now the health LED is flashing red. Does…
Roxas13
  • 1
-1
votes
1 answer

Speeding up SAS data rate from 12Gbps

I'm curious about SAS data transfer speed. Maximum is 12Gbps in the whole bus (not per drive) as far as I understand, but I have a scenario where I would like to have a faster data rate (hopefully around 40 to 80 gbps), stored into RAID-10 (thinking…
zRISC
  • 13
  • 2
-1
votes
2 answers

Bunch of SAS disk and want to wipe all of them

I have 40 SAS disks. The model number is HUS156060VLS600. 600 GB 15K 3.5 inch SAS disk. It came from a customer. And the customer wants to wipe all data inside of SAS disks. Customer said the disk was spinning and transferring the data on the…
HakanBaser
  • 1
  • 1
-2
votes
1 answer

benefit of SAS controller over typical SATA

as a home user who uses Windows 10 Home Edition more than 90% of the time with a GTX970 and playing steam games what practical benefit would an economical SAS controller provide if any? yes, I would reinstall win10 on a new SAS SSD I am planning on…
ron
  • 805
  • 3
  • 11
  • 21
-2
votes
1 answer

Which SAS JBOD module for NetApp DS4243?

Does anyone know what the SAS JBOD module is called (model number perhaps) that works for NetApp's DS4243 disk array? I can find controllers on ebay, but not a single SAS JBOD module. Afterwards it will be used on Linux.
Jasmine Lognnes
  • 2,520
  • 8
  • 33
  • 51
-2
votes
1 answer

3ware 9650se not recognizing SAS drives, what else should I check?

The card works fine with SATA Raptors but can't see 2 different models of Cheetah. Drives are fine and have standard fw - visible with LSI 3081ER.
dragonsen
  • 1
  • 1
1 2 3
…
34
35