《苹果系统连接iscsi》由会员分享，可在线阅读，更多相关《苹果系统连接iscsi（8页珍藏版）》请在金锄头文库上搜索。
1、How to use iSCSI on Mac OS XiSCSI is a network storage protocol that allows sending and receiving of SCSI commands over a TCP/IP network. This allows you to leverage Ethernet, a low cost network medium to get SAN performance and network based storage. While you can use pretty much any Ethernet switc
2、h, Id recommend that if youre going to use iSCSI that you dedicate a switch to it, or use quality switches and build a dedicated VLAN for your iSCSI traffic.Recently, Ive recently been seeing a lot of traffic about whether or not you can use iSCSI with Mac OS X. The answer, yes. As with Xsan, to get
3、 started with iSCSI youll need an initiator and a target. Studio Network Solutions (SNS) provides a software-based iSCSI initiator called globalSAN that can be downloaded and used free of charge from their site. Alternatively you can also look into the Atto Xtend SAN, which runs about $200 for 1 use
4、r with volumes discount slashing the prices to about $90 for 100 users. Software based initiators will use the CPU of your system and a built-in or third party standard Ethernet port, but you can also buy a dedicated card which will offload the processing power to the card, which in some cases will
5、be required for various performance reasons. For the purpose of this article were going to use the SNS globalSAN software.For the purposes of this howto, were using the free version of software called Starwind from RocketDivision. However, weve also tested LeftHand, Isilon, OpenFiler, iSCSI Target (
6、from Microsoft) and many others (including dozens of appliances) with the Mac. So for starters, fire up your iSCSI storage and share it out. Next, extract the installer as seen in the globalSAN installer screenshot.globalSAN InstallerNext, launch the installer and click on the Continue button at the
7、 Welcome screen.globalSAN Welcome ScreenAt the Software License Agreement screen, read the licensing agreement and then click on the Continue button if you agree to the terms.globalSAN License Agreement ScreenAt the uninstall screen, click on continue. If you later need to uninstall the software you
8、 would re-run this installer and click on the Uninstall button.globalSAN Uninstall ScreenAt the Standard Install screen you can click on the Custom Install button to allow you to choose which packages within the metapackage to install. It is best to leave them all checked and then click on the Conti
9、nue button.globalSAN Custom Install ScreenProvided everything installs properly you will next be at the Installation Completed Successfully screen. Here, click on Restart and then log back into the system when it comes back online.globalSAN Installation Successful ScreenOnce you are logged back in,
10、open System Preferences and youll see the new System Preference for globalSAN iSCSI.System Preferences with globalSANIf you click on the globalSAN System Preference youll be able to add your first portal. Each share will have a unique IP and be referenced as a portal. Click on the add icon (+) to ad
11、d your first portal.globalSAN Portal ScreenAt the dialog box, type in the IP address of your iSCSI target and the port number, which defaults to 3260 for a majority of the products you may use.globalSAN Portal Dialog BoxIf you require authentication to your target then click on the Advanced button a
12、nd enter the pertinent information (Kerberos is not yet supported as an authentication method but CHAP is).globalSAN Advanced Dialog BoxYou can also click on the IPSec tab if you use IPSec for authentication on your targets.globalSAN IPSec Setup TabClick OK to add your portal and you will be taken b
13、ack to the Portals tab of the globalSAN System Preference. Here you should see your portal listed. If you dont, click on the Refresh button.Populated globalSAN Portals TabNow that you have your portal populated, click on the Targets tab and you should see the storage listed. Click on it and then cli
14、ck on the Log On button to initiate your session into the storage. At this point, it will mount on the Desktop (provided you have already given it a file system) and you will be able to use it as you would any other storage. You can check the box for Peristent if you would like to have the volume al
15、ways mounted on the system.globalSAN Targets TabIf you click on the Sessions tab then you will be able to look at various statistics about your storage including the LUN identifier and disk name.globalSAN Sessions TabIf you dont yet have a file system on the storage then you can go ahead and open Di
16、sk Utility and you will see the storage listed there, click on it, click on the Partition tab and you will then be able to give it a file system.Disk Utility with iSCSI StorageSo its pretty easy to use iSCSI with Mac OS X. We didnt have to open Terminal or do anything crazy in the least. It just works and while its not going to be as fast as something like fiber channel, it also doesnt come with the costly infrastructure requirements that fiber channel comes with. The LUNs can be
