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thid, adragon, know that I will purchase as many hard drives as I need to to make sure that I have more storage than you do.
my rack is out in the garage, everything is sitting on a folding table right now.
First time I've seen this thread thid, definitely subscribed. Have heard about WHS and those expanders, and while I really dislike WHS, I have been curious to see some real word use of expanders from someone that can find their *** with both hands.
[user@thideras-server ~]$ dd if=/dev/zero of=/mnt/hitachi/bigfile.omg bs=1G count=6
6+0 records in
6+0 records out
6442450944 bytes (6.4 GB) copied, 13.4527 seconds, 479 MB/s
[user@thideras-server ~]# seeker /dev/sdb1
Seeker v3.0, 2009-06-17, http://www.linuxinsight.com/how_fast_is_your_disk.html
Benchmarking /dev/sdb1 [7804682173 blocks, 3995997272576 bytes, 3721 GB, 3810879 MB, 3995 GiB, 3995997 MiB]
[512 logical sector size, 512 physical sector size]
[1 threads]
Wait 30 seconds..............................
Results: 75 seeks/second, 13.198 ms random access time (291601166 < offsets < 3992809789676)
You probably update the firmware through the PCIe slot or by using that SAS to SAS connector cable using special firmware software to "look" for it.
There's gotta be a technical document on the chip the sas expander uses or for the part itself to be able to determine why port 8 and 9 are labeled as inputs, yet the order of which you connect the cables doesn't matter...
It is very addicting once you get started, watch out.Damn, wish I had found this thread a while ago. I've been learning Win Homeserver, and decided to figure out servers, so I picked up a couple of HP Proliant DL380's to tinker with. As its only been a couple of weeks, just figuring configurations(I'm going from scratch), has been an adventure. Guess I have a lot more to do.
It is very addicting once you get started, watch out.
No kidding, thid. I have already bought a bunch of larger SCSI drives for 1 and a new controller for the other. I hate to be defeated by hardware.It is very addicting once you get started, watch out.
RAID card - $270
SAS Expander - $270
2x 8087 to 8087 cable - $15
5x 8087 to SATA cables - $50
-----------
~$605
But, in all fairness, you have to buy SATA cards for software RAID, which is going to cut that different by a substantial amount. On this hardware alone, I can do 32 hard drives (8 x 4). With another SAS expander, I could do double that.