![]() Create an associated target that connects the backup2 target with the backup2 extent.Create an extent for the “backup2” zvol.Create an iSCSI Target called “backup2” that uses the portal group from step 2 and the initiator from step 3.Create an initiator for ESXi, using the expected IP address of the ESXi host’s second NIC.Create a new portal group or edit the existing one to include the IP address of the secondary NIC (figure 3) and Save.From the FreeNAS web UI, open Sharing > Block Shares (ISCSI).Create a new ZFS volume called “backup2” (figure 1)įrom the FreeNAS web UI, open Network > AddĬonfigure the second NIC with an IP address on a different network from the primary interface (figure 2). ![]() From the FreeNAS web UI, open Storage > Pools > Add.Goal: establish a network between the two hosts that is strictly for ISCSi traffic between ESXi and a ZFS volume on FreeNAS Create a ZFS on FreeNAS Or dedup, or more.I have two servers: an ESXi host running several VMs and a FreeNAS server for backup storage. And have different ZFS compression on different extents like you could if you wanted. And you lose the ability to use zfs snapshot on a iSCSI LUN at a time. The advantage of a file extent is that you can create multiple exports per volume.īut that isn't really a problem with ZFS, just create another zvol within your pool. This is important to /u/mcai8rw2 use case.įile extent: allows you to export a portion of a ZFS volume. You get VAAI with ESXi on a zvol iSCSI extent only. The threshold warnings primitive is fully supported by zvols and partially supported by file extents. The UNMAP primitive is supported by zvols and raw SSDs. ![]() The ATS, WRITE SAME, XCOPY and STUN, primitives are supported by both file and device extents. When determining whether to use a file or a device extent, be aware that a zvol is required to take advantage of all VAAI primitives and is recommended when using virtualization software as the iSCSI initiator. Even if the client formats the device extent with a different filesystem, as far as FreeNAS® is concerned, the data benefits from ZFS features such as block checksums and snapshots. Virtualizing a zvol adds the benefits of ZFS, such as its read cache and write cache. Join the iXsystems team - Interested in working at iXsystems? Check out this link for open positions. Official Hardware Guide - This guide outlines suggested hardware choices and things you should look for to get the most out of your NAS. qwertymodo's Hard Drive Burn-in Testing - A guide for more thorough testing of your disks than that which is contained in DrKK's guide above. DrKK's will guide you through the basics of setting up a FreeNAS server. From hardware testing to system reporting, to scheduling those all important scrubs and S.M.A.R.T. DrKK's guide to basic configeration of a new FreeNAS server. Especially helpful for new and prospective users, Cyberjock's guide contains information that every users should know like the back of their hand. That way there's less room for misunderstandings. Getting help with your problem is a lot easier when everyone uses the correct terminology. jgreco's Terminology and Abbreviations Primer. The manual is always a good place to start when you have a question that needs answering. Visit our sister subreddit: r/TrueNAS Helpful Links FreeNAS is now TrueNAS CORE: Announcement
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