Linked Questions

3
votes
2answers
52 views

Virtualized Storage for other VMs on ESXi host [duplicate]

This question is two fold. Part 1: Is it a bad idea to virtualize a storage solution and run VMDKs off of that as opposed to the original VMFS datastore. Essentially lets assume I have 2 TB worth ...
10
votes
2answers
825 views

Are consumer class hard disks okay for zfs?

I just recently bought a new server an HP DL380 G6. I replaced the stock smart array p410 controller with an LSI 9211-8i. My plan is use ZFS as the underlying storage for XEN which will run on the ...
12
votes
1answer
8k views

For L2ARC and ZIL: is it better to have one large SSD for both, or two smaller SSDs?

Main references ZFS L2ARC (Brendan Gregg) (2008-07-22) and ZFS and the Hybrid Storage Concept (Anatol Studler's Blog) (2008-11-11) include the following diagram: Question Should I interpret the ...
6
votes
2answers
4k views

What's in my ZFS ARC and L2ARC caches?

I have a simple ZFS setup at home, four disks mirrored, 8GB ram and 120GB Intel X25-M SSD for L2ARC. I ran zpool add poolname cache cXtXdX then generated load and eagerly tracked the warming process ...
5
votes
3answers
778 views

Recommendations: configuring a 10GbE NAS stack for virtualisation storage

I'll try as hard as I can to word this so it is not considered a shopping list. We have been successfully running a dev/test ESXi environment for some time, with a couple of Dell PE2950III servers ...
3
votes
2answers
3k views

How can I setup PCI passthrough for my HighPoint 1144A USB 3.0 card under ESXi 5.1?

I have an Apple Mac Pro (MacPro5,1) running VMware ESXi 5.1.0 (799733) with a HighPoint RocketU 1144A USB 3.0 PCI-express card installed. Given that VMware ESXi 5.1 doesn't support USB 3.0 for ...
6
votes
3answers
900 views

OS X server large scale storage and backup

I really hope this question doesn't come across as trolling or asking for buying advice. It's not intended. I've just started working for a small ad agency (40 employees). I actually quit being a ...
4
votes
1answer
3k views

ZFS (NexentaStor) and 4k Advanced Format Partition Alignment

I have a storage system that contains 8 x 1TB drives that use the 4k sector size "Advanced Format". I'm planning to run NexentaStor on this hardware and want to ensure that I'm taking the 4k sector ...
3
votes
1answer
2k views

How do physical disks passed through ESXi perform vs. passing through HBAs?

Context: I have a SAN operating system (Nexenta) that runs on ESXi. It has a couple of HBAs passed through to it already, via VT-d. All of the HBAs for the SAN OS are full (no free connectors). I ...
6
votes
2answers
728 views

Why did I experience checksum errors with a ZFS filesystem on an ESXi RDM?

I have a VMware ESXi 4.1 server which I recently added 2x1TB SATA drives to. This machine runs a NexentaStor Community VM which hosts ZFS filesystems. Before adding the new drives, all the ZFS zpools ...
3
votes
1answer
926 views

Why am I getting only 1gbps between Solaris and VMware?

I have a VMWare ESXi 5.1.0 (build 1065491) host running a Solaris (OpenIndiana) VM as a guest. I have created a private vSwitch for NFS traffic between ESXi and Solaris. The Solaris VM has the VMware ...
1
vote
2answers
1k views

Xenserver 6.1 and ZFS file server

I want a paravirtualized ZFS server for Xenserver 6.1 supporting a 6+ TB zpool. The old templates for Xenserver 6.0.2 and FreeBSD 9 don't work. I have been unsuccessful ("Not a Xen-ELF image...") at ...
2
votes
1answer
181 views

Best practices on VM disk management

I'm replacing two old rack servers with a new one that has plenty of power to take over the functionality the current servers. The server is a 4U rack mount with 16 3.5" SAS drive bays, two 2.5" bays, ...
5
votes
1answer
375 views

Drives randomly dropping from RAID array

We have 3x 3TB WD Red drives configured in a RAID 5 on an HP P812 controller with the latest firmware on. However, drives keep being dropped randomly from the array upon reboots, though not always. ...
4
votes
1answer
346 views

Is it possible to boot from a passthrough LSI 2008 SAS controller under VMware ESXi?

I currently have Solaris 11 Express running on bare metal. I'd like to convert the machine to an ESXI host and run the existing os as a virtual machine. I have ESXI setup, the virtual machine made, ...

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