Questions tagged [raid-z]
The raid-z tag has no usage guidance.
22
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ZFS and RAID configuration in a personal virtualization Proxmox 6.2 server
I happen to have this unused computer, and I upgraded its hardware a bit so I can use it as my personal platform for virtualized small servers. I plan to put Proxmox 6.2 on it but, before I install it,...
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How to connect additional drives to HBA controller?
I have a HBA 330 IT controller which has 2x4 12 Gbit/s SAS (or 6 Gbit/s SATA) ports, available through two SFF-8643 mini-SAS connectors. Though it has only 8 ports, it can aparently support up to 32 ...
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How do I set up this ZFS pool correctly?
Summary:
I have set up a RAIDZ array of 4 HDDs with two SSD cache devices, and I don't get the expected results in cache boost and general performance.Also, some things don't seem to add up.
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Grow ZFS RAID-Z[123] without degradation?
I know that on ZFS, the only way to grow a RAID-Z (or RAID-Z2 or RAID-Z3) vdev is to replace the disks with larger ones; there is no way to change the geometry. However, is it possible to do so ...
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How to decrypt, create, and mount LUKS encrypted zfs raidz pool at startup?
I have an Ubuntu-18.04 box running the OS off an SSD which I do NOT want to encrypt. I have 3 additional 2TB drives which I would like to use as encrypted (via LUKS) RAID-Z1 additional storage. I ...
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How to add an additional drive to an existing ZFS RAIDZ-1 in Proxmox?
I've a ZFS installation in Proxmox, in particular a RAIDZ-1 file system, for testing purposes (before going on production with this setup) I've added a new drive to the machine, but I'm blocked on ...
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Create a zfs raidz2 with 4k disks
I want to create a zfs raidz2 with 4 disks. I know this will "waste" at least 50% of the space but I aim at a high tolerance against disk failures. Using 5 disks for raidz2 is not recommended and 6 ...
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ZFS - Raid organization with 4 SSDs/4 HDDs
I'm building a virtualization server using Proxmox (although the Hypervisor itself is not really the question here) and have the following hardware at hand (the interesting parts):
Note: The hardware ...
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14
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5
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Start a ZFS RAIDZ zpool with two discs then add a third?
Let's say I have two 2TB HDDs and I want to start my first ZFS zpool. Is it possible to create a RAIDZ with just those two discs, giving me 2TB of usable storage (if I understand it right) and then ...
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ZFS Beginner Setup with Different Size Drives
Sorry for the noobie questions, I've been Googling all sorts of walkthroughs to create my ZFS raid, but I can't seem to find the correct links for the answers I'm looking for.
This is my first ...
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Eight-disk RAID-Z2 array has less capacity available than expected
I have a problem to explain the missing capacity in my raidz2
# zpool status -v nas
pool: nas
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
...
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Optimal ZFS Pool configuration for a home NAS
I am looking to upgrade my home NAS, which I use to store movies (with Plex Media Server), pictures and backups.
Currently, it has 5 3TB disks in a raidz1 pool.
I was limited by the number of SATA ...
- 1,393
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Adding a parity drive to a RAID-Z1 array
Can I create an array as a RAID-Z1 and then later add another pairity drive to make it into a RAID-Z2?
I’ve got 4TB of data on a drive I’d like to add into an array that I’m building out of fresh ...
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Import zpool with one unknown missing vdev_children.
My raid-z zpool was in degraded mode, I have added a new disk in the zpool with the command:
zpool add -f uhuru-test da3
The problem is that da3 have been accidentaly erased and now uhuru-test pool ...
CommunityBot
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3
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ZFS raidz2 performance issues read/write speeds on Freenas
I'm having some performance issues on my home backup FreeNas box using a raidz2 configuration and I am wondering what might be causing it (not enough processing power, eco drives?).
It's running:
...
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Is it a bad idea to have one of multiple partitions of an ssd as cache in a raidz2 setup?
I'm setting up a system with 5 HDD's in RAIDZ2 and one SSD where the OS goes. I'm considering partitioning the system drive (the SSD) to set the free partition of the SSD as a cache in the RAIDZ2. I'...
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Can I create a ZFS mirror in FreeNAS using different sized disks?
I've just bought a new 4-bay N54L server for home use. I've upgraded it to 8G of RAM, which will permit me to run FreeNAS 9.1.x with ZFS.
I've loaded a new 2TB SATA disk plus a spare 250G disk into ...
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FreeNAS/ZFS/Raid-Z slightly different disks
I'm considering using FreeNAS and "recycling" some of my older 1TB disks. Two are the exact same model Western Digital while another is Seagate and the fourth is Samsung.
Typically, since all disks ...
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Is ZFS and RAID-Z worth using in home made NAS (freeNAS for example)
Features of ZFS and RAID-Z look vary promising. Looks like it is a perfect FS for home NAS solutions, poor man's Drobo things and alike.
Are there any drawbacks I should be aware of?
CommunityBot
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FreeNAS 8.2.x - IDE vmware drive detected as multipath and causing errors
First of all I had FreeNAS 7 running as dedicated on HP Microserver, then upgraded to 8 upgrading my pool as well (4x1TB RaidZ)
Since I upgraded to FreeNAS 8 I had this message popping up. it meant ...
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Can you easily grow a RAIDZ with more disks? [duplicate]
Possible Duplicate:
Start a ZFS RAIDZ zpool with two discs then add a third?
RAID5 / RAIDZ - is it possible to enlarge without losing data?
I'm setting up a home Network Attached Storage using ...
CommunityBot
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4
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1
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ZFS Hard Drive Configuration in FreeNAS
I've been messing around with FreeNAS installed on a USB Flash Drive for a week or so, just testing all the services and possible hard drive configurations utilizing ZFS. It's a pretty neat setup but ...
CommunityBot
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