Tengo 4 discos: 2x2TB y 2x1TB. Todos de la misma 7200 RPM y el fabricante. SO es Ubuntu 16.04. Quiero hacer un RAID 10 de la piscina, pero he oído que la mezcla de discos de tamaño no es un buen enfoque para ZFS - me corrija si estoy equivocado. ZFS vs. Hardware RAID RAID 10 4. November 2010, by Simon Krenger. As I am currently fiddling around with Oracle Solaris and the related technologies, I wanted to see how the ZFS file system compares to a hardware RAID Controller. The ZFS file system allows you to configure different RAID levels such as RAID 0, 1, 10, 5, 6. ZFS es un sistema de archivos y administrador de volúmenes desarrollado originalmente por Sun Microsystems para su sistema operativo Solaris. El significado original era 'Zettabyte File System', pero ahora es un acrónimo recursivo. El anuncio oficial de ZFS se produjo en septiembre de 2004.
25/11/2015 · So, depending on what you have now and what you want, it might be better to start over. Like Scott said, there is no RAID 10 in ZFS. But you could have multiple virtual devices that are set up as mirrors with 2 drives each for example, and that would be similar to RAID 10 since the data is spread across all the virtual devices in a pool. 04/03/2014 · ZFS has a RAID layer software RAID that you can choose. ZFS will work on hardware RAID. So the only decision is. do you want ZFS Software RAID or do you want Hardware RAID if you own it. All other words that people associate with that are marketing. A very convincing bit of marketing is "allow ZFS to have greater control.". 08/08/2012 · You create a new pool from one mirror Raid-1. If you add another mirror to your pool you have a Raid 10. You can add more mirrors to increase space and performance. In this case you have one pool build from several vdevs/ Raids. ZFS stripes automatically over all vdevs. 31/12/2014 · Have setup these drives in a ZFS RAID 10 Volume and I'm accessing this using iSCSI. I get about 55MB/s when reading from the iSCSI drive HDTune benchmark. I can see that each disk reads between 15 and 12 MB/s so they are not running at speed.
Planning your ZFS Build with the VDEV limitation in mind. Many home NAS builders use RAID-6 RAID-Z2 for their builds, because of the extra redundancy. This makes sense because a double drive failure is not something unheard of, especially during rebuilds where all. 29/07/2014 · RAID 7, not RAID 70, would even be an option with good drives in an array of the size that you are looking at, depending on your acceptable risk profile. RAID 7 alone would potentially provide perfectly adequate protection. Not as good as RAID 10, but RAID 10 is the extreme on the "protection" side and not appropriate for every use case. ZFS usable storage capacity - calculated as the difference between the zpool usable storage capacity and the slop space allocation value. This number should be reasonably close to the sum of the USED and AVAIL values reported by the zfs list command. Minimum free space - the value.
09/08/2019 · A pesar de ello, Canonical se ha empeñado en hacer que ZFS puede ser utilizado con Linux, por lo que ha seguido trabajando en mejorar su integración en Ubuntu. Si la empresa cumple con sus planes, en Ubuntu 19.10 veremos un salto importante en el soporte de ZFS, pudiendo utilizar este sistema de ficheros sobre la raíz. 12/12/2019 · I ran Raid 10 and loved it, but its cost of usable space is high. Then you combine RAID with ZFS. I don't suggest doing this nobody would suggest this to be honest. If you're going to use ZFS, present all the drives to it unmodified JBOD style and let ZFS do its magic.
However, virtually 99% of people run ZFS for the RAID portion of it. You could just run your disks in striped mode, but that is a poor use of ZFS. Like other posters have said, ZFS wants to know a lot about the hardware. ZFS should only be connected to a RAID card that can be set to JBOD mode, or preferably connected to an HBA. ZFS offers all the typical forms of RAID redundancy and more, including ZFS striping RAID 0, ZFS mirroring RAID 1, RAID 10, and RAID-Z levels that allow for 1, 2. Reason: If you ZFS raid it could happen that your mainboard does not initial all your disks correctly and Grub will wait for all RAID disk members - and fails. It can happen with more than 2 disks in ZFS RAID configuration - we saw this on some boards with ZFS RAID-0/RAID-10; Boot fails and goes into busybox. If booting fails with something like. 29/01/2018 · RAID 10 however will store 12Mb into 2 drives and then duplicate it – duplicating does not change performance, since drives need to be synced together for consistency. So the RAID 5 will store 4 MB or raw data per drive whilst the RAID 10 is storing 6Mb. for 4 drives, RAID 5 is in theory, 50% better for both read and write performance.
01/02/2018 · 4K Q32T1 Read:10.47 Write:9.064 What size recordsize and volblocksize do you use for VM's that need high disk I/O ? Are there any tricks to this ? ZFS for Xen domU's ? I'm new to Raid, ZFS and Virtualization so its possible I'm missing something eventhough I've have been doing a lot of research. Im guessing it has to do with the ZFS part of things. 08/08/2008 · If you are running Solaris 10 U5, you can only have mirroring using svm, plus the root file system must be UFS. However, you can make a slice in a zfs partition an mirror that I wouldn't recommend using svm to mirror on top of ZFS.
The only difference between RAID and LVM is that LVM does not provide any options for redundancy or parity that RAID provides. 3. ZFS. ZFS was originally developed by Sun Microsystems for Solaris owned by Oracle, but has been ported to Linux. ZFS is fundamentally different in this arena because it is more than just a file system. 23/08/2011 · After my research, I realized that the most safety and speedy form of zfs raid is the raid 10 scheme. How can I make zfs raid 10 in FreeNAS 8? I've.
01/10/2001 · RAID 10 y 01 Grarantiza la integridad de los datos y aumenta el rendimiento. Es necesario tener 4 discos como minimo. RAID 5 Es como RAID 10 & 01 pero con mayor capacidad. La seguridad utiliza la paridad en cada disco duro. Se debe tener 3 discos duros como mínimo.
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