Ultra320 Scsi

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Multiple Web Servers?

I'm into web design and since picking up PHP and MySQL, I understand that it's a server side script. Instead of just loading my site onto a webhost that supports PHP, I'm thinking about starting up my own servers. However, I'm curious how many simultaneous users one server can support. Additionally, how would you connect multiple servers together, like Facebook and Google do with thousands of them? What products would you recommend to build a good server? IBM and HP have some info on their websites, but I'm kind of lost. They have the basic servers, but also extra hard drive system racks. Do those connect using regular SATA or SAS connections or is their some other way it works? Help please?
Also, whats the different between different server forms and storage forms? What's better?

/*I'm into web design and since picking up PHP and MySQL, I understand that it's a server side script. Instead of just loading my site onto a webhost that supports PHP, I'm thinking about starting up my own servers. However, I'm curious how many simultaneous users one server can support.*

It depends on the server, software, and the web application. An average server can handle thousands of concurrent connections, with a general maximum user load many times that.

/* Additionally, how would you connect multiple servers together, like Facebook and Google do with thousands of them? *

Two ways, clustering and load balancing. Clustering allows a group of servers to act as one. Load balancing simply shifts requests between servers to prevent any single server from having too high of a load. Enterprise sites usually have a load balanced web server system with a database cluster.

/*What products would you recommend to build a good server? IBM and HP have some info on their websites, but I'm kind of lost. They have the basic servers, but also extra hard drive system racks. Do those connect using regular SATA or SAS connections or is their some other way it works? *

It all depends. Most low end servers use SATA or SAS. Higher end servers use fiber channel and some other proprietary connection technologies. You'll also see quite a bit of Ultra320 SCSI in older servers. Server grade hard drives tend to run at a much higher speed. Mine all use 15k RPM disks, this is twice as fast of a rotation as a desktop hard drive. Storage racks use a variety of connections.

/*Also, whats the different between different server forms and storage forms? What's better?*

Form factor does not make a difference. Rack mount servers use designations of 1U, 2U, 4U, etc. This simply indicates how tall the unit is in increments of approximately 1.5 inches. I prefer 1 or 2U rackmount servers. These normally have 2/3 for 1U and six drive bays for 2U. I've found that cooling is slightly more efficient on a 2U system. It allows for better, vertically mounted fans behind the storage array. Towers are just towers. Other than the higher grade of hardware inside, they are not much different than a normal desktop. They do usually have locks and hot swappable drives on the front though.

Find Ultra320 Scsi On eBay Below:

HP 698529 B21 Smart Array P430 12GB SAS Controller w 633543 001 2GB FBWC Module
HP 698529 B21 Smart Array P430 12GB SAS Controller w 633543 001 2GB FBWC Module
$185.00
LSI Logic SCSI LVD SE Controller PCI Express x4 LSI20320IE 439946 001 Tested
LSI Logic SCSI LVD SE Controller PCI Express x4 LSI20320IE 439946 001 Tested
$19.14
Dell LSI Logic LVD PCI E Ultra320 Controller Card LSI20320IE Height Bracket
Dell LSI Logic LVD PCI E Ultra320 Controller Card LSI20320IE Height Bracket
$17.99
Dell LSI Logic LVD PCI E Ultra320 Controller Card LSI20320IE LOW Bracket
Dell LSI Logic LVD PCI E Ultra320 Controller Card LSI20320IE LOW Bracket
$17.99
Dell LSI Logic LVD PCI E Ultra320 SCSI Server Controller Card LSI20320IE LOW B
Dell LSI Logic LVD PCI E Ultra320 SCSI Server Controller Card LSI20320IE LOW B
$19.14
Lot of 10 Dell 0J2038 Ultra 320 SCSI Card
Lot of 10 Dell 0J2038 Ultra 320 SCSI Card
$222.60
Lot of 10 Dell J2038 Ultra 320 SCSI Card
Lot of 10 Dell J2038 Ultra 320 SCSI Card
$222.60
Lot of 10 Dell Y1987 Ultra 320 SCSI Card
Lot of 10 Dell Y1987 Ultra 320 SCSI Card
$210.00
Lot of 10 Dell 0Y1987 Ultra 320 SCSI Card
Lot of 10 Dell 0Y1987 Ultra 320 SCSI Card
$222.60
Lot of 2 LSI22320 HP Dual Chan 64bit 133mhz PCI X ULTRA320 SCSI Controller Card
Lot of 2 LSI22320 HP Dual Chan 64bit 133mhz PCI X ULTRA320 SCSI Controller Card
$35.00
LSI Logic LSI21320 IS Ultra320 SCSI Single Channel Host Adapter Controller Card
LSI Logic LSI21320 IS Ultra320 SCSI Single Channel Host Adapter Controller Card
$17.95
Dell ASC 39320A DELL PCI X Ultra320 LVD SE SCSI Raid Controller Card
Dell ASC 39320A DELL PCI X Ultra320 LVD SE SCSI Raid Controller Card
$15.00
LSI Logic 439776 001 LSI20320IE Ultra320 SCSI Host Bus Adapter
LSI Logic 439776 001 LSI20320IE Ultra320 SCSI Host Bus Adapter
$20.00
Dell D9205 LSI Logic PCBX518 B1 128MB Battery Ultra320 SCSI Raid Controller Card
Dell D9205 LSI Logic PCBX518 B1 128MB Battery Ultra320 SCSI Raid Controller Card
$6.85
011782 001 Hewlett Packard Smart Array 6402 6404 Ultra 320 SCSI PCI X Controller
011782 001 Hewlett Packard Smart Array 6402 6404 Ultra 320 SCSI PCI X Controller
$8.98
HP DZ554A Ultra320 SCSI Controller PCI X LSI20320C
HP DZ554A Ultra320 SCSI Controller PCI X LSI20320C
$19.99
IBM 42R8738 PCI X DDR Dual Channel U320 SCSI Adapter
IBM 42R8738 PCI X DDR Dual Channel U320 SCSI Adapter
$22.99
LSI Logic MegaRAID SCSI 320 0X Zero Channel Ultra320 PCI X SCSI RAID Adapter
LSI Logic MegaRAID SCSI 320 0X Zero Channel Ultra320 PCI X SCSI RAID Adapter
$25.00
Dell PERC 4 DC 2 Port Ultra320 SCSI PCI X Raid Controller
Dell PERC 4 DC 2 Port Ultra320 SCSI PCI X Raid Controller
$12.99
HP SMART ARRAY 6400 CONTROLLER 128MB CACHE PCI X Ultra320 SCSI 309520 001
HP SMART ARRAY 6400 CONTROLLER 128MB CACHE PCI X Ultra320 SCSI 309520 001
$19.99
HP 1GB FLASH Backed Write Cache P N 534562 B21 505908 001 570501 002
HP 1GB FLASH Backed Write Cache P N 534562 B21 505908 001 570501 002
$25.00
Dell PowerVault 320 U320 Ultra 220S 221S Server SCSI Controller PH233 KH566
Dell PowerVault 320 U320 Ultra 220S 221S Server SCSI Controller PH233 KH566
$12.86
ATTO 0030 03218 01 Ultra320 2 Channel LVD SE Dual SCSI PCI X Controller Card
ATTO 0030 03218 01 Ultra320 2 Channel LVD SE Dual SCSI PCI X Controller Card
$19.95
LSILogic 21320 PCI PCI X Ultra320 Scsi Adapter LSI21320
LSILogic 21320 PCI PCI X Ultra320 Scsi Adapter LSI21320
$135.00
ATTO ULTRA 320 2 CHANNEL LVD SE DUAL SCSI CONTROLLER
ATTO ULTRA 320 2 CHANNEL LVD SE DUAL SCSI CONTROLLER
$99.95
Dell Adaptec ASC 39320A PCI X Ultra 320 Dual Port SCSI RAID Card F9685
Dell Adaptec ASC 39320A PCI X Ultra 320 Dual Port SCSI RAID Card F9685
$7.99
Dell LSI Logic MegaRaid 2 Channel SCSI U320 Raid Card PCBX518 B1
Dell LSI Logic MegaRaid 2 Channel SCSI U320 Raid Card PCBX518 B1
$14.95
Adaptec SCSI IBM 13N2197 ServeRAID 6M 128MB Cache Controller with Battery
Adaptec SCSI IBM 13N2197 ServeRAID 6M 128MB Cache Controller with Battery
$13.48
Lot of 2 IBM 5709 Dual Channel Ultra320 SCSI RAID Enablement Card yz
Lot of 2 IBM 5709 Dual Channel Ultra320 SCSI RAID Enablement Card yz
$318.00
Lot of 2 IBM 5709 702X PCI X Dual Channel Ultra320 SCSI R yz
Lot of 2 IBM 5709 702X PCI X Dual Channel Ultra320 SCSI R yz
$318.00
IBM 44V5593 Dual U320 SCSI DDR PCI x Adapter 44V5591
IBM 44V5593 Dual U320 SCSI DDR PCI x Adapter 44V5591
$17.24
HP A6961 67111 U320 SCSI Dual Channel Single Controller 2 int ports 2 ext
HP A6961 67111 U320 SCSI Dual Channel Single Controller 2 int ports 2 ext
$50.00


Recently Purchased Ultra320 Scsi:


lsi lsi20320r storage controller ultra320 scsi pcix with box great condition, adaptec 2230slp scsi raid ultra320 sgl dualchannel controller 2120300r, hp 439946001 lsi20320ie pcie ultra320 scsi card lvdse low profile bracket, adaptec asc39320adell pcix ultra 320 dual port scsi raid card 2189300, ibm serverraid scsi controller 32p0033 6m ultra 320, adaptec asr2230slp128 controller raid pcix bbu, lsi logic lsi21320is ultra320 scsi dual channel host adapter raid controller, dell d9205 perc 4dc scsi raid controller pcix, adaptec 29320alp ultra320 scsi controller 133 mhz 64 bit raid controller, lsi logic lsi21320r dual channel ultra320 pcix scsi controller ultra4 lvd, lsi logic lsi22320hp ultra320 pcix scsi controller hp 272653001 dualch, adaptec asr2010s48mb pcix ultra320 lvdse scsi raid controller adapter card, lsi logic 03x344 pcix ultra 320 scsi channel a lvdse controller lsi21320is , lsi lsi21320 ultra320 scsi dual channel host adapter 3480046662h, 0064pcbx001 atto expresspci ul2d lvd scsi pci controller card, adaptec asc39320a dual channel pcix ultra320 scsi controller dell pn fp874, ibm 43w4325 43w4323 ultra 320 scsi pcie controller card adaptec asc29320lpeibm, ibm 42r4460 5738 571e pcix 15gb quadchannel u320 scsi raid adapter i5 os iop, adaptec pcie x1 singlechannel ultra320 scsi card asc29320lpe, lot of 2 lsi22320hp dual chan 64bit 133mhz pcix ultra320 scsi controller card, adaptec 29320a ultra 320 pcix 64 bit scsi lvd controller with cables, adaptec asc29320lpe pciex4 ultra320 u320 scsi sp raid controller high profile, lsi logic lsi21320 u320 scsi pcix raid controller , lsihp lsi20320chp 403051001 u320 scsi hba controller card pcix, adaptec scsi card 39320dr 2channel pcix ultra320, adaptec asc39320a dell 0fp874 pcix133 scsi ultra320 lvdse interface card, adaptec asc39320adell controller raid 0110 dual channel ultra320 scsi card, sun 3753357 lsi lsi22320sle lowprofile ultra 320 pcie 2port ext scsi card, lsi logic pcbx518b1 2 channel 128mb pcix scsi raid controller card new, adaptec asc29320lpe ultra 320 pcie rohs scsi card , atto 0201pcbx000 ultra 320 2channel lvdse dual scsi controller, dell perc 4dc 2port ultra320 scsi pcix raid controller , ak344a ak344b 489190001 hpe 81e 8gq 1port pcie fc hba hpe retail new, sunlsi logic lsi20320s pcix single ultra320 scsi host bus adapter 375336601, ibm ultra320 scsi controller 2 pcix fru 39r8750 adaptec 29320alp, sun microsystems 370771402 ultra320 scsi raid controller module w battery, hp smart array p430 2gb fbwc 12gbs 1port sas 698529b21 729635001, used dell 0fp874 fms rohs card, sun dual ultra3 scsi host adapter pcix card 3753057x6758a new warranty 90, sun dual ultra3 scsi host adapter pcix card 3753191sgxpci2scsilm320 new, intel raid controller srcu42e with 128mb cache module, dell perc 4sc pcix perc4sc ultra 320 scsi raid controller card j4588 0j4588



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