I thought I'd share this here since I've used bits and pieces of advice from the forum in the past.
I was frustrated with the limitations and cost implications of using commercial ZFS solutions in a high-availability setup. NexentaStor, QuantaStor and Zetavault either had cost or support issues that prevented me from using them in this way.
My primary use case is for VMware clusters that require NFS-backed storage. I could make this work under iSCSI, but I tend to prefer NFS+10GbE for VMware.
I spent a few months testing a build of CentOS with Red Hat's cluster add-on, but also getting the failover portion to be reliable under the most common failure scenarios.
Original Reddit posts: Is anyone interested in my ZFS on Linux HA recipe? • /r/zfs and https://redd.it/4wxs4z
Documentation on Github: Home · ewwhite/zfs-ha Wiki · GitHub
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Low-cost build manifest for a simple 12TB usable storage array (under $3.5k):
Front view of HP ProLiant DL360 G7 head nodes and D2600 JBOD.
Rear view of servers and JBOD with 6G SAS cabling.
I was frustrated with the limitations and cost implications of using commercial ZFS solutions in a high-availability setup. NexentaStor, QuantaStor and Zetavault either had cost or support issues that prevented me from using them in this way.
My primary use case is for VMware clusters that require NFS-backed storage. I could make this work under iSCSI, but I tend to prefer NFS+10GbE for VMware.
I spent a few months testing a build of CentOS with Red Hat's cluster add-on, but also getting the failover portion to be reliable under the most common failure scenarios.
Original Reddit posts: Is anyone interested in my ZFS on Linux HA recipe? • /r/zfs and https://redd.it/4wxs4z
Documentation on Github: Home · ewwhite/zfs-ha Wiki · GitHub
___
Low-cost build manifest for a simple 12TB usable storage array (under $3.5k):
- 2 x HP ProLiant DL360 G7 rackmount servers (~$750 total)
- 2 x HP H221 SAS HBA ($240 total)
- 4 x SAS SFF-8088 external SAS cables ($100 total)
- 1 x HP StorageWorks D2600 12-bay SAS enclosure (~$600 total)
- 10 x HP 2TB dual-port SAS hard drives ($700 total)
- 1 x SAS SSD for L2ARC ($200) - 2.5" disks will need a 3.5" adapter
- 1 x Stec ZeusRAM SAS DRAM SSD for ZIL ($600)
Front view of HP ProLiant DL360 G7 head nodes and D2600 JBOD.
Rear view of servers and JBOD with 6G SAS cabling.
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