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install on zfs mirror

New installs of XigmaNAS.
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expertaz
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install on zfs mirror

Post by expertaz »

hello ,

anyway to install nas4free on zfs mirrored ssds?and take OS snaps like checkpoint(i see this future on nexenta)

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raulfg3
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Re: install on zfs mirror

Post by raulfg3 »

is not a recomended way to install nas4free

Please install on one disk, and save config, reinstall and restore config if fail, do not use mirror in boot device.
12.1.0.4 - Ingva (revision 7743) on SUPERMICRO X8SIL-F 8GB of ECC RAM, 11x3TB disk in 1 vdev = Vpool = 32TB Raw size , so 29TB usable size (I Have other NAS as Backup)

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armandh
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Re: install on zfs mirror

Post by armandh »

a true chicken/egg problem

if your OS is in a file system that must be running on the OS

it is also NOT wise to store anything needed to recover the NAS on the NAS

with industrial grade flash I have never had a failure.


creationists
the chicken

Darwinian
the egg [from an almost chicken]
Last edited by armandh on 12 May 2013 15:18, edited 1 time in total.
4 thread 3300 Mhz Intel i3, 1 TB ZFS mirror, available RAM 7.823 Gb, 64 bit NAS4Free 9.1.0.1 rev 573 [88 watts, 48 Mbps]
2 thread 1600 Mhz atom/ion, 1 TB ZFS mirror, available RAM 3.083 Gb, 64 bit NAS4Free-9.1.0.1 rev 573 [27 watts, 35 Mbps]
2 thread 3900 Mhz AMD A6-6400K, 2 TB ZFS Mirror, available RAM 7.557 Gb, 64 bit Nas4Free 9.3.0.2.1771 [89 watts, 68 Mbps]

Jtcdesigns
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Re: install on zfs mirror

Post by Jtcdesigns »

as raulfg3 said.. its best to install on one disk.. But you are really wasting money installing on an ssd.. all you need is a USB stick or CF card. This is not like a traditional operating system where you would need fast drives for your OS to be faster. What you need is a decent CPU and 1GB of ram per TB of Data especially if your doing zfs. I've had great performance striping disks and using link aggregation. For $400 I took an existing Dell optiplex 760 which is only a core2duo 2.8 with 4GB ram and I was getting network speeds of 180MB/s which was basically having 3 computers downloading a single large file at the same time at the max speed of their system around 60MB/s via ethernet. SSDs though are a waste.

If you want a mirror get a dual CF adaptor and mirror them together. If you want some automation you can setup a cron job to automatically save the config file to a local drive or remote server. I currently have mine in a folder on my nas that is replicated to the backup nas for redundancy.

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